CN211005018U - Efficient culture sewage treatment system - Google Patents
Efficient culture sewage treatment system Download PDFInfo
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- CN211005018U CN211005018U CN201921982840.7U CN201921982840U CN211005018U CN 211005018 U CN211005018 U CN 211005018U CN 201921982840 U CN201921982840 U CN 201921982840U CN 211005018 U CN211005018 U CN 211005018U
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- stirring
- ammonia oxidation
- anaerobic ammonia
- sewage
- filtering
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model relates to a pig farm sewage treatment field, concretely relates to sewage treatment system is bred to high efficiency, include equalizing basin, coagulating sedimentation tank, UASB reactor, one-level denitrification reaction pond, one-level nitrification reaction pond, one-level sedimentation tank, short-cut nitrification-denitrification device, second grade sedimentation tank and the outer pond of arranging that connect gradually through conduit, still including the P L C control system who is used for controlling sewage treatment process, the equalizing basin includes first control chamber and the second control chamber that is linked together through the overflow valve, still includes the charge device who feeds through in first control chamber and sets up the aeration equipment in first control chamber, first control chamber side is equipped with water inlet and air inlet, top and is equipped with delivery port and gas outlet, the utility model discloses the treatment effeciency is high, the treatment effect is good, be favorable to energy-concerving and environment-protective, can not cause secondary environmental pollution, be favorable to all kinds of biological health and ecological environment protection.
Description
Technical Field
The utility model relates to a pig farm sewage treatment field especially relates to high-efficient sewage treatment system of breeding.
Background
Along with the improvement of the living standard of people, the live pig breeding market scale is continuously expanded, the price of pork is high in the past year, the main reason is the spread of swine fever, and one reason for generating the swine plague is improper or incomplete treatment of excrement of pigs in a pig farm.
The pig farm sewage mainly comprises pig urine, partial pig manure, pig house flushing water and sewage discharged by plant sanitary equipment and public buildings, and has the characteristics of large and multiple water volumes and strong water conservancy impact load, b, high organic matter concentration, high ammonia nitrogen content, COD (chemical oxygen demand) of 6000-7000 mg/L generally, c, good wastewater biodegradability, quick hydrolysis and acidification and good precipitation performance, and d, the sewage is often polluted by disinfectant water, heavy metals, residual veterinary drugs, various zoonosis pathogens and the like.
These effluents are discharged directly, with the effect that: on one hand, the pollution to surface water, underground water sources and farmlands; the leaching amount of nitrogen, phosphorus, BOD and the like contained in the excrement is large, and the excrement enters surface water and underground water through surface runoff and soil or is accumulated in the soil, so that the water body is seriously polluted, and the land loses the production capacity. The optional discharge of the fecal sewage causes eutrophication of water bodies, and aquatic organisms (such as algae) immediately propagate in large quantities after obtaining rich nutrition, thus leading to river bed siltation, river water blacking and smelly and the like. In a second aspect, pollution of the atmospheric environment; the excrement and urine and sewage in the pig farm are piled or discharged in a low-lying place for a long time, so that foul smell is generated, mosquitoes and flies are bred, the atmospheric quality and the living environment are seriously affected, and the health is affected. In the third aspect, the pig excreta carries a large amount of pathogenic bacteria, such as escherichia coli, salmonella, enterococcus and other listeria monocytogenes, which can affect the health of human beings and other organisms when entering the environment.
In the prior art, the treatment scheme of the sewage of the pig farm is that after the solid-liquid separation is carried out on the pig manure of the pig farm, the solid manure is fermented by using a green-label facultative aerobe, the sewage is subjected to anaerobic treatment by using a green-label livestock farm sewage treatment microbial inoculum to generate biogas, and the sewage reaches the discharge standard through the procedures of anaerobic treatment, aerobic treatment, sterilization and the like, so that the sewage is directly put into a municipal sewage pipe network.
The sewage treatment scheme in the prior art has the following defects: on one hand, the treatment equipment has poor performance, incomplete solid-liquid separation, low treatment efficiency and poor treatment effect. In the second aspect, the traditional treatment method only treats organic matters in the sewage, but does not treat pathogenic bacteria in the sewage, still has the problems of environmental pollution and secondary pollution, and is not beneficial to the health of various organisms. In the third aspect, the sewage treatment efficiency is low.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a sewage treatment system is bred to high efficiency that treatment effeciency is high, treatment effect is good, be favorable to energy-concerving and environment-protective, can not cause secondary environmental pollution, be favorable to all kinds of biological health and ecological environment protection.
The utility model adopts the technical scheme that the high-efficiency culture sewage treatment system comprises an adjusting tank, a coagulating sedimentation tank, a UASB reactor, a first-stage denitrification reaction tank, a first-stage nitrification reaction tank, a first-stage sedimentation tank, a shortcut nitrification-denitrification device, a second-stage sedimentation tank and an external drainage tank which are sequentially connected through a water pipeline, and further comprises a P L C control system for controlling the sewage treatment process, wherein the adjusting tank comprises a first adjusting chamber and a second adjusting chamber which are communicated through an overflow valve, and further comprises a dosing device communicated with the first adjusting chamber and an aeration device arranged in the first adjusting chamber, the side edge of the first adjusting chamber is provided with a water inlet and an air inlet, the top of the first adjusting chamber is provided with a water outlet and an air outlet, the aeration device is arranged at the bottom and the side wall of the first adjusting chamber, a microbial composite preparation is filled in the dosing device, and the microbial composite preparation comprises pediococcus acidilactici, enterococcus mesenteroides, lactobacillus plantarum, bacillus amyloliquefaciens, bacillus subtilis, lactobacillus acidophilus, pichia sti.
The technical scheme is further improved in that the aeration device comprises a plurality of transverse aeration pipes and a plurality of vertical aeration pipes, the transverse aeration pipes and the vertical aeration pipes are arranged in a crossed mode to form a grid shape, and a plurality of aeration holes are uniformly formed in the transverse aeration pipes and the vertical aeration pipes; the gas outlet is provided with an exhaust pipe, the top of the exhaust pipe is provided with an unpowered ventilator, and an adsorbing material for adsorbing pollutants is arranged inside the exhaust pipe.
The technical scheme is further improved in that the coagulating sedimentation tank comprises a stirring sedimentation unit and a filtering sedimentation unit, wherein a water inlet is formed in the upper part of the stirring sedimentation unit, and a water outlet is formed in the upper part of the filtering sedimentation unit; the filtering and precipitating unit is communicated with the stirring and precipitating unit through a wall body with a hole, and the bottoms of the stirring and precipitating unit and the filtering and precipitating unit are respectively provided with a sewage discharge pipeline connected with a sludge storage tank; a plurality of stirring and precipitating units are arranged, and two adjacent stirring and precipitating units are communicated with each other; the stirring precipitation unit comprises a stirring precipitation chamber, a motor arranged at the top of the stirring precipitation chamber, a stirring shaft connected to an output shaft of the motor, and a plurality of stirring blades arranged on the stirring shaft, and further comprises a dosing funnel arranged at the top of the stirring precipitation chamber and used for adding a flocculating agent, wherein the stirring shaft penetrates through the dosing funnel and extends into the stirring precipitation chamber.
The technical scheme is further improved in that the number of the stirring and precipitating units is three, the lower parts of the first stirring and precipitating unit and the second stirring and precipitating unit are communicated, the upper parts of the second stirring and precipitating unit and the third stirring and precipitating unit are communicated, and the lower parts of the third stirring and precipitating unit and the filtering and precipitating unit are communicated through a wall body with holes; the lengths of the stirring blades in the first stirring and precipitating unit are sequentially increased from top to bottom, the lengths of the stirring blades in the second stirring and precipitating unit are sequentially decreased from top to bottom, and the lengths of the stirring blades in the third stirring and precipitating unit are sequentially increased from top to bottom; the filtering and settling unit comprises a filtering and settling chamber, an inclined plate area which is positioned in the middle of the filtering and settling chamber and supported by a support frame, and a water collecting tank which is positioned at the upper part of the filtering and settling chamber and supported by a support angle steel; the water collecting tank is communicated with the water outlet; the filtering and precipitating unit also comprises a filtering cloth arranged on the supporting angle steel, the direction of the filtering cloth is opposite to that of the inclined plate area, and the filtering cloth is positioned above the inclined plate area; the wall body with the holes is positioned below the inclined plate area, and the wall body with the holes is uniformly provided with through holes through which liquid can flow but solids cannot pass.
The UASB reactor comprises a reaction chamber, a water inlet pipe with one end extending into the bottom of the reaction chamber, a mounting bracket vertically arranged at the bottom of the reaction type, a water distributor arranged at the top of the mounting bracket, a sludge reaction zone positioned below the water distributor in the reaction chamber, a suspension zone positioned above the water distributor in the reaction chamber and internally provided with granular fillers, three separators arranged at the top of the reaction chamber, an upper exhaust pipe and a drain pipe arranged at the top of the reaction chamber, and a sludge discharge pipe positioned below the reaction chamber, wherein one end of the water inlet pipe positioned outside the reaction chamber is connected with a sewage lift pump; the water distributor is in a round table shape with a small upper part and a big lower part, a reflecting plate used for reflecting sewage is arranged below the water distributor, and the reflecting plate is arranged on the mounting bracket.
The technical scheme is further improved in that a plurality of groups of baffles which are obliquely arranged are arranged on two sides above the suspension area, and the lengths of the baffles are sequentially increased from top to bottom; the included angle between the baffle and the side edge of the reaction chamber is 50 degrees, and the included angle between the baffle and the three separators is 90 degrees; a lower exhaust pipe is also arranged at the position of the side edge of the reaction chamber, which is positioned at the height below the three separators; an aeration device and an air inlet pipeline are also arranged in the sludge reaction zone in the reaction chamber; an internal circulating pump is arranged in the sludge reaction chamber.
The technical proposal is further improved that the short-cut nitrification-denitrification device comprises a nitrification reaction area and an anaerobic ammonia oxidation area; the nitrification reaction zone comprises a nitrification reaction tank body, the upper part of the nitrification reaction tank body is a nitrification reaction stirring zone, the lower part of the nitrification reaction tank body is a nitrification reaction filtering zone, and a nitrification reaction stirring device and a nitrifying bacteria filler are arranged in the nitrification reaction stirring zone; the upper part of the nitrification reaction tank body is provided with a nitrification reaction water inlet which is connected with the nitrification reaction stirring area, and the lower part of the nitrification reaction tank body is provided with a nitrification reaction water outlet which is connected with the nitrification reaction filtering area; the nitration reaction stirring zone and the nitration reaction filtering zone are separated by a permeable membrane; a nitration aeration device communicated with an external air source is also arranged in the nitration stirring zone, and a nitration sewage outlet for discharging solid pollutants is arranged in the nitration filtering zone; the anaerobic ammonia oxidation region comprises an anaerobic ammonia oxidation tank body, the upper part of the anaerobic ammonia oxidation tank body is an anaerobic ammonia oxidation stirring region, the lower part of the anaerobic ammonia oxidation tank body is an anaerobic ammonia oxidation filtering region, and an anaerobic ammonia oxidation stirring device and anaerobic ammonia oxidation bacteria filler are arranged in the anaerobic ammonia oxidation stirring region; the upper part of the anaerobic ammonia oxidation tank body is provided with an anaerobic ammonia oxidation water inlet together with the anaerobic ammonia oxidation stirring area, and the lower part of the anaerobic ammonia oxidation tank body is provided with an anaerobic ammonia oxidation water outlet together with the anaerobic ammonia oxidation filtering area; the anaerobic ammonia oxidation stirring area and the anaerobic ammonia oxidation filtering area are separated by a permeable membrane; the anaerobic ammonia oxidation filtering area is provided with an anaerobic ammonia oxidation sewage outlet for discharging solid pollutants; the anaerobic ammonia oxidation stirring area is provided with an anaerobic ammonia oxidation air outlet at the top, an anaerobic ammonia oxidation air inlet at the bottom, an anaerobic ammonia oxidation aeration device in the anaerobic ammonia oxidation stirring area, and the anaerobic ammonia oxidation aeration device is communicated with the anaerobic ammonia oxidation air inlet and the anaerobic ammonia oxidation air outlet through a gas transmission pipeline.
The technical scheme is further improved in that the anaerobic ammonia oxidation stirring device comprises a motor, a stirring shaft and stirring blades, wherein meshes are distributed on the surfaces of the stirring blades, catalytic iron is filled in the stirring blades, baffles are arranged at two ends of the stirring blades, transparent observation windows are respectively arranged on the nitrification reaction tank body and the anaerobic ammonia oxidation tank body, heat insulation layers are respectively arranged outside the nitrification reaction tank body and the anaerobic ammonia oxidation tank body, the nitrification reaction zone is also connected with an ultrasonic generator, the ultrasonic generator intermittently emits ultrasonic waves under the control of a P L C control system, and the ultrasonic energy density generated by the ultrasonic generator is 0.7W/m L and is periodic ultrasonic waves.
The technical scheme is further improved in that the P L C control system comprises electromagnetic flowmeters respectively arranged at a water inlet and a water outlet of a regulating tank, a coagulating sedimentation tank, a UASB reactor, a primary denitrification reaction tank, a primary nitrification reaction tank, a primary sedimentation tank, a shortcut nitrification-denitrification device, a secondary sedimentation tank, an adjusting tank, a coagulating sedimentation tank, a UASB reactor, a primary denitrification reaction tank, a primary nitrification reaction tank, a primary sedimentation tank, a shortcut nitrification-denitrification device, a level gauge in the secondary sedimentation tank, a thermometer, a pH meter, an ORP meter, a COD analyzer, an acetic acid dosing meter, a sodium acetate dosing and an ammonium bicarbonate dosing meter arranged at a nitrification reaction water inlet, and further comprises a microbial preparation arranged at a dosing device outlet of the regulating tank, an acetic acid dosing meter arranged at an anaerobic ammonia oxidation water inlet, a sodium acetate dosing and an ammonium bicarbonate dosing meter arranged at a nitrification reaction water inlet, and a biological ammonium nitrate dosing meter connected to the electromagnetic flowmeters, the liquid level gauge, the thermometer, the PH meter, the BOD meter, the COD analyzer, the TP analyzer, the ammonium bicarbonate analyzer, the ammonium nitrate dosing meter, the ammonium bicarbonate dosing meter, the ammonium nitrate dosing meter, the ammonium bicarbonate analyzer and the ammonium nitrate dosing meter.
The technical scheme is further improved in that the C/N of the sewage flowing through the anaerobic ammonia oxidation water inlet in the stirring area is maintained to be 5 by controlling the addition of acetic acid and sodium acetate by the remote control terminal.
The utility model has the advantages that:
1. the utility model discloses be equipped with the equalizing basin, the coagulating sedimentation tank, the UASB reactor, one-level denitrification reaction pond, one-level nitrification reaction pond, one-level sedimentation tank, short-cut nitrification-denitrification device, second grade sedimentation tank and outer drainage pond, the quality of water of treating sewage through the equalizing basin is adjusted earlier, prevent that water quality load from too big causing the impact to follow-up reactor, then filter the suspended solid in the sewage through the coagulating sedimentation tank, detach the organic pollutant in the sewage through the UASB reactor again, get into one-level denitrification reaction pond and one-level nitrification reaction pond and detach the nitrogen source pollutant again, deposit through the sedimentation tank again, turn into nitrogen gas through short-cut nitrification-denitrification device with remaining nitrogen source pollutant, carry out secondary sedimentation at last, clear water after the processing gets into outer drainage pond and discharges, whole sewage treatment process flow is simple, the construction cost is low, Does not produce secondary pollution, can effectively remove pollutants such as COD, BOD, TP, ammonium nitrogen, nitrate nitrogen, nitrite nitrogen, SS and the like in sewage, and has high sewage treatment efficiency and good treatment effect.
2. The system is provided with a P L C control system for controlling the sewage treatment process, the sewage parameters of all links are monitored in real time through the P L C control system, the automatic detection of sewage treatment and the automatic proportioning and automatic addition of microorganisms and various medicines are realized, the automation degree is high, the medicine addition or the medicine addition is not increased or reduced, the treatment effect is good, and the energy conservation and the environmental protection are facilitated.
3. The equalizing basin comprises a first adjusting chamber and a second adjusting chamber which are communicated through an overflow valve, and further comprises a dosing device communicated with the first adjusting chamber and an aeration device arranged in the first adjusting chamber, wherein a water inlet and an air inlet are formed in the side edge of the first adjusting chamber, a water outlet and an air outlet are formed in the top of the first adjusting chamber, and the aeration device is arranged at the bottom and the side wall of the first adjusting chamber. The equalizing basin is equipped with first regulating chamber and second regulating chamber, when the big first regulating chamber of sewage inflow was deposited with water, unnecessary sewage gets into the temporary storage of second regulating chamber, when the sewage inflow is too little, sewage in the second regulating chamber flows into first equalizing basin through the overflow valve, reentrant coagulating sedimentation pond, setting through the second regulating chamber, make the sewage water yield that gets into follow-up processing unit can not be suddenly too big or the undersize, can not cause too big load and impact to the operation in following coagulating sedimentation pond, be favorable to maintaining whole sewage treatment system's normal function, further be favorable to improving sewage treatment efficiency, improve treatment effect.
4. The microbial composite preparation is filled in a dosing device of a regulation pool, comprises pediococcus acidilactici, pediococcus pentosaceus, leuconostoc mesenteroides, lactobacillus plantarum, bacillus amyloliquefaciens, bacillus subtilis, lactobacillus acidophilus, pichia farinosa, and bacteria, can be used for treating various types of microorganisms such as pediococcus, pediococcus acidilactici, lactobacillus acidophilus, pseudomonas putida, and listeria monocytogenes, has the functions of producing acid, regulating gastrointestinal flora and maintaining intestinal microecological balance of microorganisms, is sensitive to proteolytic enzymes, is stable to heat, can inhibit gram-positive pathogenic bacteria such as bacillus cereus, clostridium perfringens, staphylococcus aureus, and listeria monocytogenes, can ferment saccharides to produce various acids and alcohols, has high acid production capacity, oxidation resistance and pathogenic bacteria resistance, and the capability of antagonizing pathogenic bacteria, and the like, and can be used for purifying waste water by degrading bacteria such as bacteria.
5. The aeration device comprises a plurality of transverse aeration pipes and a plurality of vertical aeration pipes, the transverse aeration pipes and the vertical aeration pipes are arranged in a crossed mode to form a grid shape, and a plurality of aeration holes are uniformly formed in the transverse aeration pipes and the vertical aeration pipes, so that the dissolved oxygen in sewage is improved, the sewage can fully react with microorganisms, the stirring and mixing of the sewage can be better promoted, the quality of the sewage is more uniform, the adjusting effect is good, the subsequent sewage treatment efficiency is favorably improved, the aeration device can adjust the aeration quantity according to the water quality condition under the action of a P L C control system, pollutants can be better decomposed, and the water quality can be better adjusted.
6. The gas outlet is provided with an exhaust pipe, the top of the exhaust pipe is provided with an unpowered ventilator, and the exhaust pipe is internally provided with an adsorption material for adsorbing pollutants. Through the setting of blast pipe, can in time with the gaseous discharge that produces among the sewage treatment process, prevent that the gaseous pressure in the equalizing basin is too big to cause the explosion, the setting of adsorbing material can the odor in the effective absorption gas, plays the deodorization function, prevents that the odor from causing secondary pollution, has further improved sewage treatment effect.
7. The coagulating sedimentation tank comprises a stirring sedimentation unit and a filtering sedimentation unit, wherein a water inlet is formed in the upper part of the stirring sedimentation unit, and a water outlet is formed in the upper part of the filtering sedimentation unit; the filtering and precipitating unit is communicated with the stirring and precipitating unit through a wall body with a hole, and the bottoms of the stirring and precipitating unit and the filtering and precipitating unit are respectively provided with a sewage discharge pipeline connected with a sludge storage tank; a plurality of stirring and precipitating units are arranged, and two adjacent stirring and precipitating units are communicated with each other; the stirring precipitation unit comprises a stirring precipitation chamber, a motor arranged at the top of the stirring precipitation chamber, a stirring shaft connected to an output shaft of the motor, and a plurality of stirring blades arranged on the stirring shaft, and further comprises a dosing funnel arranged at the top of the stirring precipitation chamber and used for adding a flocculating agent, wherein the stirring shaft penetrates through the dosing funnel and extends into the stirring precipitation chamber. The utility model discloses in, take solid impurity's sewage to enter into the stirring precipitation unit through the water inlet, stir sewage through the stirring precipitation unit earlier, make solid and the liquid separation in the sewage come, then deposit for the first time again, realize the first separation of solid-liquid, sewage after once depositing gets into the filtration sedimentation tank through foraminiferous wall body, filter and separate other tiny impurity in the sewage again, final clear water passes through the delivery port and discharges, sludge in stirring precipitation unit and filtration precipitation unit bottom gets into through sewage pipes and stores the mud pond, realize the sediment of particulate matter impurity in the sewage. On the one hand, the utility model discloses deposit efficiently, SS can reach the national standard requirement in the delivery port exhaust water. In the second aspect, the stirring and precipitating units are provided with a plurality of units, and two adjacent units are communicated with each other, so that stirring and precipitation for a plurality of times are realized, and the precipitation efficiency is further improved. The third aspect, the stirring precipitation unit is including stirring the deposit room, install in the motor at stirring deposit room top, connect in the (mixing) shaft of motor output shaft, install a plurality of stirring vane on the (mixing) shaft, still offer the medicine funnel that adds that is used for adding the flocculating agent including seting up in stirring deposit room top, the (mixing) shaft passes and stretches into inside the stirring deposit room with the medicine funnel, in adding the sewage in the stirring deposit room with the flocculating agent through adding the medicine funnel, stirring vane stirs sewage, make the particulate matter in the sewage can be fast comprehensive and the flocculating agent contact, thereby impurity such as particulate matter in the better sediment sewage, further improved precipitation efficiency.
8. The stirring precipitation unit is three, the lower parts of the first stirring precipitation unit and the second stirring precipitation unit are communicated, the upper parts of the second stirring precipitation unit and the third stirring precipitation unit are communicated, and the lower parts of the third stirring precipitation unit and the filtering precipitation unit are communicated through a wall body with holes. After sewage enters the first stirring precipitation unit, the sewage is stirred and precipitated, particulate matters in the sewage are precipitated for the first time, cleaner sewage after the first precipitation enters the second stirring precipitation unit through the lower part, the particulate matters in the sewage are precipitated for the second time through stirring and precipitation, cleaner sewage after the second precipitation enters the second stirring precipitation unit through the upper part, the particulate matters in the sewage after treatment are basically and completely removed through stirring and precipitation, but a small part of particulate matters are still not completely removed, and the sewage enters the filtering precipitation unit to further remove smaller suspended matters. Through multi-stage treatment, thoroughly remove particulate matter impurity such as the suspended solid in the sewage, deposit efficiently, SS can reach the national standard requirement in the delivery port exhaust aquatic.
9. Stirring vane in the first stirring precipitation unit increases from last length down in proper order, can produce from last vortex down, and the suspended solid in the sewage can be fast and flocculating agent flocculation and precipitation on the one hand, and on the other hand, under the vortex effect, the clear water can be quick the lower part through first stirring precipitation unit enter into the second stirring precipitation unit. The arrangement of the stirring blades in the second stirring and precipitating unit and the third stirring and precipitating unit can also make the clean water flow into the next processing unit quickly. Through the setting of stirring vane length, further improved the treatment effeciency of sewage, improved the treatment effect.
10. The filtering and settling unit comprises a filtering and settling chamber, an inclined plate area which is positioned in the middle of the filtering and settling chamber and supported by a support frame, and a water collecting tank which is positioned at the upper part of the filtering and settling chamber and supported by a support angle steel; the water collecting tank is communicated with the water outlet. When the sewage flows to the inclined plate area, suspended matters in the sewage are separated from the water after colliding with the inclined plate, the suspended matters fall to the sludge area at the bottom due to the action of gravity, the clear water continuously flows, and when the clear water is gathered in the water collecting tank, the liquid level of the water collecting tank is higher than the water outlet, the clear water is discharged through the water outlet. Suspended matters in the sewage are further removed through the inclined plate area, and clear water is stored in the water collecting tank and is discharged through the water outlet, so that the sewage treatment efficiency is further improved, and the treatment effect is improved.
11. The filtering and precipitating unit further comprises a filtering cloth arranged on the supporting angle steel, the filtering cloth and the inclined plate are opposite in direction, the filtering cloth is located above the inclined plate, when clear water is gradually accumulated to the filtering cloth, the filtering cloth filters impurities in the clear water again, smaller particle impurities in the water are removed, the sewage treatment efficiency is further improved, and the treatment effect is improved.
12. The perforated wall body is positioned below the inclined plate area, perforations through which liquid can flow but solids cannot pass are uniformly formed in the perforated wall body, and the perforated wall body has the functions of filtering, water distribution, permeation and the like, so that the sewage treatment efficiency is further improved, and the treatment effect is improved.
13. The UASB reactor comprises a reaction chamber, a water inlet pipe with one end extending into the bottom of the reaction chamber, a mounting bracket vertically arranged at the bottom of the reaction type, a water distributor arranged at the top of the mounting bracket, a sludge reaction zone positioned below the water distributor in the reaction chamber, a suspension zone positioned above the water distributor in the reaction chamber and internally provided with granular fillers, three separators arranged at the top of the reaction chamber, an upper exhaust pipe and a drain pipe arranged at the top of the reaction chamber, and a sludge discharge pipe positioned below the reaction chamber, wherein one end of the water inlet pipe positioned outside the reaction chamber is connected with a sewage lift pump; the water distributor is in a round table shape with a small upper part and a big lower part, a reflecting plate used for reflecting sewage is arranged below the water distributor, and the reflecting plate is arranged on the mounting bracket. On one hand, sewage enters the reaction chamber through the water inlet pipe, uniform water distribution is realized after passing through the water distributor, the uniformly mixed water rises to a suspension area, organic pollutants in the sewage are treated, then the sewage rises to the three separators, solid-liquid-gas separation is realized, methane is discharged through the exhaust pipe, clear water is discharged through the drain pipe, solid particles in the sewage fall to the suspension area for further decomposition, then the sewage enters the sludge reaction area, the particle pollutants are gradually decomposed by microbial anaerobic fermentation and sequentially reciprocate until the pollutants in the sewage are all converted into water and methane, and the reactor is simple in structure, high in treatment efficiency on the cultured sewage and good in treatment effect. In the second aspect, the aeration device is arranged in the sludge reaction zone, so that the sewage and the anaerobic sludge are fully mixed, solid organic matters in the sewage can be fully decomposed, and the sewage treatment effect is further improved. In the third aspect, the suspension zone is internally provided with granular fillers, which not only prolongs the retention time of sewage, but also is beneficial to biofilm formation and improves the biological purification efficiency. In the fourth aspect, the water distributor is in a round table shape with a small top and a large bottom, a reflecting plate used for reflecting sewage is arranged below the water distributor, the reflecting plate is installed on the installation support, the contact area of the water distributor and the sewage is large, the water distribution area is large, the water distribution effect is good, and the reflecting plate is arranged.
14. The both sides of suspension district top still are equipped with the baffle that a plurality of groups slope set up, baffle from the top down length increases in proper order, the setting of a plurality of baffle, and one comes to play the effect of water conservancy diversion to the solid in the sewage, and two come through the collision of solid with the baffle, further smash solid particle to accelerate sewage treatment efficiency.
15. The baffle is 50 with the contained angle of reacting chamber side, and the baffle is 90 with the contained angle of three separators, and the baffle is fallen perpendicularly to the mud of three-phase separator department on, and the baffle does greatly to the impact of mud this moment, is further favorable to smashing solid particle to accelerate sewage treatment efficiency.
16. The side edge of the reaction chamber is also provided with a lower exhaust pipe at the height position below the three separators, so that the methane separated from the baffle plate can be discharged out of the reaction chamber in time, and the sewage treatment efficiency is further improved.
17. An aeration device and an air inlet pipeline are further arranged in the sludge reaction area in the reaction chamber, inert gas can be filled into the reaction chamber through the air inlet pipeline, when the solid concentration in the reaction chamber is too high, solid particles are fully contacted with microorganisms in the sludge reaction area through aeration, the oxidative decomposition of the microorganisms is accelerated, the sewage treatment efficiency and treatment effect are further improved, and the effluent quality is improved.
18. The one end that the inlet tube is located the reacting chamber is connected with a sewage elevator pump, is equipped with an internal circulating pump in the sludge reaction chamber, handles in going into the reacting chamber with sewage from supreme down through the sewage elevator pump, through the internal circulating pump, starts when the water quality is undulant greatly, has improved the upwelling speed of sewage, has increased the bulk strength in mud reaction zone, has improved the treatment effeciency of mass transfer speed and reactor, has further improved sewage treatment efficiency, has improved the sewage treatment effect.
19. The denitrification and nitrification device comprises a nitrification reaction tank body, a nitrification reaction stirring area is arranged at the upper part of the nitrification reaction tank body, a nitrification reaction water inlet communicated with the nitrification reaction stirring area is arranged at the lower part of the nitrification reaction tank body, a nitrification reaction water outlet communicated with the nitrification reaction filtering area is arranged at the lower part of the nitrification reaction tank body, the nitrification reaction stirring area and the nitrification reaction filtering area are separated by an anaerobic ammonia oxidation film, a nitrification reaction aeration device communicated with an external air source is further arranged in the nitrification reaction stirring area, a nitrification reaction sewage discharge outlet used for discharging solid pollutants is arranged in the nitrification reaction filtering area, the anaerobic ammonia oxidation area comprises an anaerobic ammonia oxidation tank body, the upper part of the anaerobic ammonia oxidation tank body is an anaerobic ammonia oxidation stirring area, the lower part of the anaerobic ammonia oxidation stirring area is an anaerobic ammonia oxidation stirring device and anaerobic ammonia oxidation filler, the upper part of the anaerobic ammonia oxidation stirring area is provided with an anaerobic ammonia oxidation water inlet communicated with an anaerobic ammonia oxidation reaction water inlet, the lower part of the anaerobic ammonia oxidation stirring area is provided with a nitrite stirring device and an anaerobic ammonia oxidation aeration device for controlling the nitrification reaction of nitrites, the nitrites and nitrites are arranged in the anaerobic ammonia oxidation reaction sewage discharge area, the anaerobic ammonia oxidation stirring area is provided with a high-nitrification reaction nitrogen source for controlling the nitrification reaction sewage discharge and the nitrification reaction sewage discharge device, the nitrification reaction sewage discharge device is arranged in the anaerobic ammonia oxidation stirring area, the anaerobic ammonia oxidation reaction sewage discharge device, the anaerobic ammonia oxidation stirring area, the anaerobic ammonia oxidation reaction sewage discharge device is arranged in the anaerobic ammonia oxidation stirring area, the anaerobic ammonia oxidation reaction sewage discharge device, the anaerobic ammonia oxidation stirring area, the anaerobic ammonia oxidation reaction sewage discharge device is arranged in the anaerobic ammonia oxidation reaction sewage discharge device, the anaerobic ammonia oxidation reaction sewage discharge area, the anaerobic ammonia oxidation stirring area, the anaerobic ammonia oxidation reaction sewage discharge device is arranged under the anaerobic ammonia oxidation stirring area, the anaerobic ammonia oxidation reaction sewage discharge device, the anaerobic ammonia oxidation reaction sewage discharge area, the anaerobic ammonia oxidation reaction sewage discharge device is arranged under the anaerobic ammonia oxidation reaction area, the anaerobic ammonia oxidation stirring area, the anaerobic ammonia oxidation reaction sewage discharge device is arranged under the anaerobic ammonia oxidation stirring area, the anaerobic ammonia oxidation reaction area, the.
20. In the anammox zone, the nitrified sewage enters the anammox tank body through an anammox water inlet on the upper portion of the anammox tank body, the nitrites in the sewage are stirred in the anammox stirring zone, the microbial filler is filtered, the nitrite in the sewage reacts with the microbes, nitrogen source pollutants are decomposed into nitrogen, the treated sewage enters the anammox filtering zone through an osmotic membrane, impurities such as solid particles in the sewage are precipitated and then discharged through an anammox sewage outlet, the treated clear water is discharged from an anammox water outlet on the lower portion of the anammox tank body, the microbes are decomposed into nitrogen through the nitrites, the nitrogen is discharged from the upper portion of the anammox tank body through an anammox gas outlet, the nitrogen enters the anammox gas inlet through a gas pipeline, the anammox aeration device enters the anammox aeration device, the water polluted by the anammox stirring zone is aerated, the flowability of the sewage is improved, the contact area of the sewage and the microbial filler is increased, the anaerobic ammonia oxidation stirring device also stirs the sewage in the anammox stirring zone, the high efficiency of the anaerobic ammonia oxidation sewage treatment is improved, the high efficiency of the anaerobic ammonia oxidation process of anaerobic ammonia oxidation, the high-ammonia oxidation sewage treatment, the high-efficiency of the anaerobic ammonia-oxidation-aeration device is improved, the high-anaerobic-ammonia-oxidation-anaerobic-oxidation-.
21. And the remote control terminal maintains the C/N of the sewage entering the anaerobic ammonia oxidation zone to be 5 by controlling the addition of acetic acid and sodium acetate. The anaerobic ammonium oxidation bacteria are heterotrophic facultative anaerobes, organic matters are consumed by cell synthesis growth of the anaerobic ammonium oxidation bacteria, when the C/N value is low, the available organic matters are few, the synthesis of denitrifying bacteria is blocked, and the denitrifying effect is poor, so a carbon source is required to be added to improve the C/N value, when the C/N value is high, the carbon source is excessively added, the carbon source is wasted, the COD (chemical oxygen demand) concentration of effluent exceeds the standard, when the C/N value is 5, the microorganism concentration is high, the denitrifying effect is good, the removal rate of TN (total nitrogen) can reach 89%, and the effluent quality is good.
22. The anaerobic ammonia oxidation stirring device comprises a motor, a stirring shaft and stirring blades, wherein meshes are fully distributed on the surfaces of the stirring blades, catalytic iron is filled in the stirring blades, and baffles are arranged at two ends of each stirring blade; the remote control terminal is electrically connected with the motor. According to the dissolved oxygen data acquired by the remote control terminal in real time, the output power of the motor is adjusted to change the stirring speed, so that the whole anaerobic ammonia oxidation system is efficiently operated. Meanwhile, the catalytic iron in the stirring blades is contacted with the anaerobic ammonium oxidation bacteria and the sewage in the stirring process, so that the catalytic effect is achieved, the anaerobic ammonium oxidation efficiency is improved, and the sewage treatment efficiency is further improved.
23. The length of the stirring blades is gradually shortened from top to bottom, and the stirring blades are of a structure with a long top and a short bottom, so that a vortex can be generated in the stirring process, the contact between sewage and anaerobic ammonia oxidizing bacteria is increased, the anaerobic ammonia oxidizing speed is increased, and the sewage treatment efficiency is further improved.
24. Transparent observation windows are all opened on the nitrification reaction tank body and the anaerobic ammonia oxidation tank body, the inside nitrification and denitrification are convenient to observe, the use is convenient, and the nitrification reaction tank body and the outside of the anaerobic ammonia oxidation tank body are both provided with heat preservation layers, so that the system can maintain proper temperature, the activity of nitrobacteria and anaerobic ammonia oxidation bacteria is ensured, the nitrification reaction and the anaerobic ammonia oxidation speed are accelerated, and the sewage treatment efficiency is further improved.
25. The nitrification reaction zone is also connected with an ultrasonic generator which intermittently emits ultrasonic waves under the control of a P L C control system, the sound energy density of the ultrasonic waves generated by the ultrasonic generator is 0.7W/m L and is periodic ultrasonic waves, the periodic ultrasonic waves of 0.7W/m L can promote short-range nitrification, so that nitrite can be accumulated, the subsequent anaerobic ammonia oxidation can be conveniently started, the ultrasonic waves can inhibit the activity of nitrite oxidase by strengthening the activity of ammonia monooxygenase, promote the short-range nitrification and inhibit the nitrate from being converted into nitrite, and the sewage treatment efficiency is further improved.
26. The P L C control system comprises electromagnetic flow meters respectively arranged at a water inlet and a water outlet of an adjusting tank, a coagulation sedimentation tank, a UASB reactor, a primary denitrification reaction tank, a primary nitrification reaction tank, a primary sedimentation tank, a shortcut nitrification-denitrification device, a secondary sedimentation tank, a water inlet and a water outlet of the adjusting tank, an adjusting tank, the coagulation sedimentation tank, a UASB reactor, a primary denitrification reaction tank, a primary nitrification reaction tank, a primary sedimentation tank, a shortcut nitrification-denitrification device, a level meter in the secondary sedimentation tank, a thermometer, a PH meter, an ORP meter, a COD analyzer, a BOD analyzer, a TP analyzer, an ammonium nitrogen analyzer, a nitrate nitrogen analyzer, a nitrite nitrogen analyzer, a SS analyzer, a microbial preparation metering pump arranged at an outlet of a dosing device of the adjusting tank, an acetic acid dosing arranged at an anaerobic ammonia oxidation water inlet, a sodium acetate dosing metering pump, an ammonium bicarbonate dosing metering pump arranged at a dosing port of the nitrification reaction water inlet, an ammonium bicarbonate dosing analyzer, an electric flow meter, a thermometer, a PH meter, an ORP meter, a nitrite analyzer, a TP, a sodium acetate dosing meter, a sodium nitrate dosing meter, a nitrogen analyzer, a nitrogen meter.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic structural view of the conditioning tank of the present invention;
FIG. 3 is a schematic structural view of an aeration device of the adjusting tank of the present invention;
FIG. 4 is a schematic structural view of a coagulating sedimentation tank of the present invention;
FIG. 5 is a schematic structural view of a perforated wall of a coagulating sedimentation tank of the present invention;
FIG. 6 is a schematic structural diagram of the UASB reactor of the present invention;
FIG. 7 is a schematic structural diagram of the shortcut nitrification-denitrification apparatus of the present invention.
Fig. 8 is a control schematic diagram of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, is a structural schematic diagram of the present invention.
The utility model is provided with an adjusting tank 100, a coagulating sedimentation tank 200, a UASB reactor 300, a first-level denitrification reaction tank 400, a first-level nitrification reaction tank 500, a first-level sedimentation tank 600a, a shortcut nitrification-denitrification device 700, a second-level sedimentation tank 600b and an outer drainage pool 800, firstly, the quality of water of sewage to be treated is adjusted through the adjusting tank 100, prevent the water quality from being overloaded and impact on a subsequent reactor, then suspended matters in the sewage are filtered through the coagulating sedimentation tank 200, organic pollutants in the sewage are removed through the UASB reactor 300, nitrogen source pollutants are removed through the first-level denitrification reaction tank 400 and the first-level nitrification reaction tank 500, then the nitrogen source pollutants are precipitated through the sedimentation tank, the residual nitrogen source pollutants are converted into nitrogen through the shortcut nitrification-denitrification device 700, finally, secondary sedimentation is carried out, the treated clear water enters the outer drainage pool 800 to be discharged, the whole sewage treatment process flow is simple, the construction cost is low, secondary pollution is avoided, pollutants such as COD, BOD, TP, ammonium nitrogen, nitrate nitrogen, nitrite nitrogen and SS in sewage can be effectively removed, the sewage treatment efficiency is high, and the treatment effect is good.
The system is provided with a P L C control system 900 for controlling the sewage treatment process, the sewage parameters of all links are monitored in real time through the P L C control system 900, the automatic detection of sewage treatment and the automatic proportioning and automatic addition of microorganisms and various medicines are realized, the automation degree is high, the medicine addition or the medicine addition is not increased or reduced, the treatment effect is good, and the energy conservation and the environmental protection are facilitated.
Example 1: the high-efficiency adjusting tank, as shown in fig. 2 and fig. 3, is a schematic structural diagram of the adjusting tank and a schematic structural diagram of the aeration device of the present invention.
The regulating reservoir 100 comprises a first regulating chamber 110 and a second regulating chamber 120 which are communicated through an overflow valve, and further comprises a dosing device 130 communicated with the first regulating chamber 110 and an aeration device 140 arranged in the first regulating chamber 110, wherein the side edge of the first regulating chamber 110 is provided with a water inlet 111 and a gas inlet 112, the top of the first regulating chamber 110 is provided with a water outlet 113 and a gas outlet 114, and the aeration device 140 is arranged at the bottom and the side wall of the first regulating chamber 110. The equalizing basin 100 is provided with a first equalizing chamber 110 and a second equalizing chamber 120, when the first equalizing chamber 110 is full of water due to the large sewage inflow, redundant sewage enters the second equalizing chamber 120 for temporary storage, when the sewage inflow is too small, the sewage in the second equalizing chamber 120 flows into the first equalizing basin 100 through an overflow valve, and then enters the coagulation sedimentation tank 200, and through the setting of the second equalizing chamber 120, the sewage amount entering a subsequent treatment unit cannot be suddenly too large or too small, so that excessive load and impact cannot be caused to the operation of the subsequent coagulation sedimentation tank 200, thereby being beneficial to maintaining the normal operation of the whole sewage treatment system, further being beneficial to improving the sewage treatment efficiency and improving the treatment effect.
The microbial composite preparation is filled in the dosing device 130 of the regulation tank 100, the microbial composite preparation comprises pediococcus acidilactici, pediococcus pentosaceus, leuconostoc mesenteroides, lactobacillus plantarum, bacillus amyloliquefaciens, bacillus subtilis, lactobacillus acidophilus, pichia pulcherrima, and bacteria, the pediococcus acidilactici is a pediococcus species, a pediococcus acidilactici strain, has the functions of producing acid, regulating gastrointestinal flora, and maintaining intestinal microecological balance, the bacteriocin of the pediococcus acidilactici can inhibit the growth of microorganisms such as lactobacillus, leuconostoc leuconostrils, staphylococcus aureus, clostridium perfringens, pseudomonas putida, and listeria monocytogenes, has the functions of inhibiting bacterial growth of bacteria such as bacillus subtilis, degrading bacteria such as bacillus subtilis, and bacteria, and the like, has the functions of degrading bacteria such as bacillus acidilactins, and bacillus subtilis, and other bacteria, and also has the functions of inhibiting bacterial growth, such as bacteria, degrading bacteria, bacteria.
The aeration device 140 comprises a plurality of transverse aeration pipes 141 and a plurality of vertical aeration pipes 142, the transverse aeration pipes 141 and the vertical aeration pipes 142 are arranged in a crossed mode to form a grid shape, a plurality of aeration holes 143 are uniformly formed in the transverse aeration pipes 141 and the vertical aeration pipes 142, the arrangement of the aeration device 140 improves the dissolved oxygen amount in sewage, so that the sewage can fully react with microorganisms, the stirring and mixing of the sewage can be better promoted, the quality of the sewage is more uniform, the adjustment effect is good, and the subsequent sewage treatment efficiency is improved.
The air outlet 114 is provided with an exhaust pipe 150, the top of the exhaust pipe 150 is provided with an unpowered ventilator 160, and an adsorbing material for adsorbing pollutants is arranged inside the exhaust pipe 150. Through the setting of blast pipe 150, can in time with the gaseous discharge that produces in the sewage treatment process, prevent that the gaseous pressure is too big to cause the explosion in equalizing basin 100, the setting of adsorbing material can the odor in the active absorption gas, plays the deodorization function, prevents that the odor from causing secondary pollution, has further improved the sewage treatment effect.
Example 2: the coagulating sedimentation tank, as shown in fig. 4 and 5, is the structural schematic diagram of the coagulating sedimentation tank and the structural schematic diagram of the wall body with holes of the utility model.
The coagulating sedimentation tank 200 comprises a stirring sedimentation unit 210 and a filtering sedimentation unit 220, wherein the upper part of the stirring sedimentation unit 210 is provided with a water inlet 230, and the upper part of the filtering sedimentation unit 220 is provided with a water outlet 240; the filtering and settling unit 220 is communicated with the stirring and settling unit 210 through a wall body 250 with a hole, and the bottom parts of the stirring and settling unit 210 and the filtering and settling unit 220 are respectively provided with a sewage discharge pipeline 260 connected with a mud storage pool; a plurality of stirring and precipitating units 210 are arranged, and every two adjacent stirring and precipitating units are communicated with each other; the stirring and precipitating unit 210 comprises a stirring and precipitating chamber 211, a motor 212 arranged at the top of the stirring and precipitating chamber 211, a stirring shaft 213 connected to an output shaft of the motor 212, and a plurality of stirring blades 214 arranged on the stirring shaft 213, and further comprises a dosing funnel 215 arranged at the top of the stirring and precipitating chamber 211 and used for adding a flocculating agent, wherein the stirring shaft 213 penetrates through the dosing funnel 215 and extends into the stirring and precipitating chamber 211.
The number of the stirring precipitation units 210 is three, the first stirring precipitation unit 210 is communicated with the lower part of the second stirring precipitation unit 210, the second stirring precipitation unit 210 is communicated with the upper part of the third stirring precipitation unit 210, and the third stirring precipitation unit 210 is communicated with the lower part of the filtering precipitation unit 220 through a perforated wall 250. After the sewage enters the first stirring and precipitating unit 210, the sewage is stirred and precipitated, particulate matters in the sewage are precipitated for the first time, cleaner sewage after the first precipitation enters the second stirring and precipitating unit 210 through the lower part, the particulate matters in the sewage are precipitated for the second time through the stirring and precipitation, cleaner sewage after the second precipitation enters the second stirring and precipitating unit 210 through the upper part, the particulate matters and impurities in the treated sewage are basically and completely removed through the stirring and precipitation, but a small part of particulate matters are not removed completely, and the treated sewage enters the filtering and precipitating unit 220 to further remove smaller suspended matters and impurities therein. Through multi-stage treatment, thoroughly remove particulate matter impurity such as the suspended solid in the sewage, deposit efficiently, SS can reach the national standard requirement in the delivery port 240 discharged aquatic.
Stirring vane 214 in first stirring precipitation unit 210 increases from last length down in proper order, can produce from last vortex down, and the suspended solid in the sewage can be fast and flocculating agent flocculation and precipitation on the one hand, and on the other hand, under the vortex effect, the clear water can be quick the lower part through first stirring precipitation unit 210 enter into second stirring precipitation unit 210. The arrangement of the stirring blades 214 in the second stirring precipitation unit 210 and the third stirring precipitation unit 210 can also allow the clean water to rapidly flow into the next treatment unit. Through the setting of stirring vane 214 length, further improved the treatment effeciency of sewage, improved the treatment effect.
The filtering and settling unit 220 comprises a filtering and settling chamber 221, an inclined plate area 223 which is positioned in the middle of the filtering and settling chamber 221 and supported by a support frame 222, and a water collecting tank 225 which is positioned at the upper part of the filtering and settling chamber 221 and supported by a support angle steel 224; the water collection tank 225 is in communication with the water outlet 240. When the sewage flows to the sloping plate area 223, suspended matters in the sewage collide with the sloping plate and then are separated from the water, the suspended matters fall to the sludge area at the bottom due to the action of gravity, the clear water continuously flows, and when the clear water is gathered in the water collecting tank 225, the liquid level of the water collecting tank 225 is higher than the water outlet 240, the clear water is discharged through the water outlet 240. Suspended matters in the sewage are further removed through the inclined plate area 223, and clear water is stored in the water collecting tank 225 and is discharged through the water outlet 240, so that the sewage treatment efficiency is further improved, and the treatment effect is improved.
The filtering and settling unit 220 further comprises a filtering cloth 226 arranged on the supporting angle steel 224, the filtering cloth 226 and the sloping plate area 223 are opposite in direction, the filtering cloth 226 is located above the sloping plate area 223, when clean water gradually accumulates to the filtering cloth 226, the filtering cloth 226 filters impurities in the clean water again, smaller particle impurities in the water are removed, the sewage treatment efficiency is further improved, and the sewage treatment effect is improved.
The perforated wall 250 is positioned below the inclined plate area 223, perforations through which liquid can flow but solids cannot pass are uniformly formed in the perforated wall 250, and the perforated wall 250 has the functions of filtration, water distribution, permeation and the like, so that the sewage treatment efficiency is further improved, and the treatment effect is improved.
The utility model discloses in, take solid impurity's sewage to enter into stirring precipitation unit 210 through water inlet 230, earlier stir sewage through stirring precipitation unit 210, make solid and the liquid separation in the sewage come, then deposit for the first time, realize the first separation of solid-liquid, sewage after once depositing gets into filtration sedimentation tank 200 through foraminiferous wall body 250, filter and separate other tiny impurity in the sewage again, final clear water passes through delivery port 240 and discharges, mud bottom stirring precipitation unit 210 and filtration precipitation unit 220 gets into through sewage pipes 260 and stores the mud pond, realize the sediment of particulate matter impurity in the sewage. On the one hand, the utility model discloses deposit efficiently, SS can reach the national standard requirement in the delivery port 240 discharged water. In the second aspect, the stirring and precipitating unit 210 has a plurality of units, and two adjacent units are communicated with each other, so that stirring and precipitation for a plurality of times are realized, and the precipitation efficiency is further improved. Third aspect, stirring precipitation unit 210 is including stirring precipitation chamber 211, install in the motor 212 at stirring precipitation chamber 211 top, connect in the (mixing) shaft 213 of motor 212 output shaft, install a plurality of stirring vane 214 on (mixing) shaft 213, still offer the medicine funnel 215 that is used for adding the flocculating agent including seting up at stirring precipitation chamber 211 top, (mixing) shaft 213 passes and adds medicine funnel 215 and stretches into inside stirring precipitation chamber 211, add the flocculating agent in the sewage of stirring precipitation chamber 211 through adding medicine funnel 215, stirring vane 214 stirs sewage, make the particulate matter in the sewage can be fast comprehensive and the flocculating agent contact, thereby impurity such as particulate matter in the better sediment sewage, further improved precipitation efficiency.
The utility model discloses a theory of operation does:
at first, take the sewage of suspended particles impurity to enter into stirring precipitation unit 210 through water inlet 230, stirring vane 214 in first stirring precipitation unit 210 increases from last length down in proper order, can produce from last vortex down, and the suspended solid in the sewage can be fast with flocculating agent flocculation and precipitation, and simultaneously under the vortex effect, the clear water can be quick the lower part through first stirring precipitation unit 210 enter into second stirring precipitation unit 210. Then, stirring vane 214 in second stirring precipitation unit 210 reduces from last length down in proper order, can produce from the supreme vortex down, suspended solid in the sewage can be fast and flocculating agent flocculation and precipitation, simultaneously under the vortex effect, the water after the processing gets into third stirring precipitation unit 210 fast, stirring vane 214 increases from last length down in proper order, can produce from last vortex down, suspended solid in the sewage can be fast and flocculating agent flocculation and precipitation, simultaneously under the vortex effect, sewage can get into filtration precipitation unit 220 through foraminiferous wall body 250 fast, foraminiferous wall body 250 plays the filtration, functions such as water distribution and infiltration. After the sewage enters the filtering and settling unit 220, when the sewage flows to the sloping plate area 223, suspended matters in the sewage collide with the sloping plate and then separate from the water, the suspended matters fall to the sludge area at the bottom due to the action of gravity, the clear water continuously flows and goes out smaller impurities therein again when flowing through the filter cloth 226, and finally, when the clear water is fully gathered in the water collecting tank 225, the liquid level of the water collecting tank 225 is higher than the water outlet 240, the clear water is discharged through the water outlet 240.
Example 3: the UASB reactor 300 is a schematic structural view of the UASB reactor of the present invention, as shown in fig. 6.
The high-efficiency UASB reactor 300 for the sewage treatment of the pig farm comprises a reaction chamber 310, a water inlet pipe 320, a mounting bracket 330a, a water distributor 330b, a sludge reaction zone 340, a suspension zone 350, a three-phase separator 360, an upper exhaust pipe 370a, a drain pipe 370d and a sludge discharge pipe 370c, wherein one end of the water inlet pipe 320 extends into the bottom of the reaction chamber 310, the mounting bracket 330a is vertically arranged at the bottom of the reaction type, the water distributor 330b is mounted at the top of the mounting bracket 330a, the sludge reaction zone 340 is positioned below the water distributor 330b in the reaction chamber 310, the suspension zone 350 is positioned above the water distributor 330b in the reaction chamber 310 and is internally provided with granular fillers, the three-phase separator 360 is mounted at the top of the reaction chamber 310, the upper exhaust; the water distributor 330b is in a truncated cone shape with a small top and a large bottom, a reflecting plate 330c for reflecting sewage is arranged below the water distributor 330b, and the reflecting plate 330c is installed on the installation support 330 a.
The both sides of suspension district 350 top still are equipped with the baffle 380 that the slope of a plurality of groups set up, baffle 380 from the top down length increases in proper order, and the effect of water conservancy diversion is played to the solid in the sewage to the setting of a plurality of baffle 380, and the collision through solid and baffle 380 comes, further smashes solid particle to accelerate sewage treatment efficiency.
The included angle of baffle 380 and the side of reaction chamber 310 is 50 degrees, the included angle of baffle 380 and three separators 360 is 90 degrees, the sludge at the three-phase separator falls onto baffle 380 vertically, the impact of baffle 380 to sludge is great at this moment, and further solid particles are crushed, so that the sewage treatment efficiency is accelerated.
A lower exhaust pipe 370b is further disposed at a position of the side of the reaction chamber 310 below the three separators 360, so that the biogas separated by the baffle 380 can be discharged from the reaction chamber 310 in time, thereby further improving the sewage treatment efficiency.
The reaction chamber 310 is also provided with an aeration device 390a and an air inlet pipe 390b in the sludge reaction area 340, inert gas can be filled into the reaction chamber 310 through the air inlet pipe 390b, when the solid concentration in the reaction chamber 310 is too high, solid particles are fully contacted with microorganisms in the sludge reaction area 340 through aeration, the oxidative decomposition of the microorganisms is accelerated, the sewage treatment efficiency and treatment effect are further improved, and the quality of the effluent water is improved.
The one end that inlet tube 320 is located the outside of reacting chamber 310 is connected with a sewage elevator pump 310a, be equipped with an internal circulation pump 310b in the sludge reacting chamber 310, handle in supreme pump income reacting chamber 310 from down sewage through sewage elevator pump 310a, through internal circulation pump 310b, start when the water quality is undulant greatly, the upwelling speed of sewage has been improved, the bulk strength of sludge reaction district 340 has been increased, the treatment effeciency of mass transfer speed and reactor 300 has been improved, further sewage treatment efficiency has been improved, the sewage treatment effect has been improved.
On one hand, sewage enters the reaction chamber 310 through the water inlet pipe 320, water distribution is uniformly achieved after passing through the water distributor 330b, the uniformly mixed water rises to the suspension area 350 to treat organic pollutants in the sewage, then the sewage rises to the three separators 360 to achieve solid-liquid-gas separation, biogas is discharged through the exhaust pipe, clear water is discharged through the drain pipe 370d, solid particles in the sewage fall to the suspension area 350 to be further decomposed, then the sewage enters the sludge reaction area 340, the particle pollutants are gradually decomposed by microorganism anaerobic fermentation, and the steps are sequentially repeated until the pollutants in the sewage are all converted into water and biogas. In the second aspect, the aeration device 390a is disposed in the sludge reaction zone 340, which is beneficial to fully mixing the sewage and the anaerobic sludge, so that the solid organic matters in the sewage can be fully decomposed, and the sewage treatment effect is further improved. In the third aspect, the suspension zone 350 is internally provided with granular fillers, which not only prolongs the retention time of sewage, but also is beneficial to biofilm formation and improves the biological purification efficiency. In the fourth aspect, the water distributor 330b is in a truncated cone shape with a small top and a large bottom, a reflecting plate 330c for reflecting sewage is arranged below the water distributor 330b, the reflecting plate 330c is mounted on the mounting bracket 330a, the contact area between the water distributor 330b and the sewage is large, the water distribution area is large, the water distribution effect is good, and the reflecting plate 330c is arranged, so that when water flows down in the water distributor 330b, the water flows are uniformly dispersed around due to the reflecting plate 330c, the water distribution efficiency is improved, and the improvement of the sewage treatment efficiency is further facilitated.
The utility model discloses a theory of operation does:
firstly, under the action of the external sewage lift pump 310a, sewage enters the reaction chamber 310 from bottom to top, and then passes through the water distributor 330b to realize uniform water distribution, and when water flows down in the water distributor 330b, the water flows are uniformly dispersed around due to the reflecting plate 330c, so that the water distribution efficiency is improved. The sewage and the biogas continuously enter the suspension area 350 and contact with the particles in the suspension area 350, so that the retention time of the sewage is prolonged, and biofilm formation is facilitated; the sewage, sludge and biogas rise to a three-phase separator where solid-liquid-gas separation is performed, the separated liquid is discharged through a drain pipe 370d, the biogas is discharged through an upper drain pipe 370a and a lower drain pipe 370b, the sludge flows back to the sludge reactor 300, and is anaerobically decomposed into water and biogas, which are sequentially reciprocated until the pollutants in the sewage are completely converted into water and biogas.
Example 4: the short-cut nitrification-denitrification device is shown in fig. 7, which is a schematic structural diagram of the short-cut nitrification-denitrification device of the present invention.
The efficient short-cut nitrification-denitrification device 700 for treating the sewage in the pig farm comprises a nitrification reaction area 7200 and an anaerobic ammonia oxidation area 7100; the nitrification reaction zone 7200 comprises a nitrification reaction tank 7210, the upper part of the nitrification reaction tank 7210 is a nitrification reaction stirring zone 7220, the lower part of the nitrification reaction tank 7210 is a nitrification reaction filtering zone 7230, and a nitrification reaction stirring device 7240 and a nitrifying bacteria filler 7250 are arranged in the nitrification reaction stirring zone 7220; the upper part of the nitrification reaction tank body 7210 is provided with a nitrification reaction water inlet 7221 together with the nitrification reaction stirring area 7220, and the lower part is provided with a nitrification reaction water outlet 7231 together with the nitrification reaction filtering area 7230; the nitrification reaction stirring zone 7220 and the nitrification reaction filtering zone 7230 are separated by a permeable membrane 7260; a nitration aeration device 7270 communicated with an external air source is also arranged in the nitration stirring zone 7220, and a nitration sewage outlet 7280 used for discharging solid pollutants is arranged in the nitration filtering zone 7230.
The anammox zone 7100 comprises an anammox tank body 7110, an anammox stirring zone 7111 is arranged at the upper part of the anammox tank body 7110, an anammox filtering zone 7112 is arranged at the lower part of the anammox tank body 7110, an anammox stirring device 7120 and an anammox bacterial filler 7130 are arranged in the anammox stirring zone 7111, an anammox water inlet 7113 connected with the anammox stirring zone 7111 is arranged at the upper part of the anammox tank body 7110, an anammox water outlet 7114 connected with the anammox filtering zone 7112 is arranged at the lower part of the anammox stirring zone 7111, the anammox stirring zone 7111 and the anammox filtering zone 7112 are separated by a permeable membrane 7117, the anammox filtering zone 7112 is provided with an anammox sewage discharge outlet 7118 for discharging solid pollutants, an anammox air outlet 7116 is arranged at the top of the anammox stirring zone 7111, an anammox air inlet 7115 is arranged at the bottom of the anammox stirring zone 7111, an anammox stirring zone 7140 is provided with an anammox aeration device 7140, the anammox aeration device 7140 and the anammox aeration device 7120 are communicated.
On one hand, the utility model discloses under the effect of P L C control system 900, turn into nitrite through nitration district 7200 with the nitrogen source pollutant, then directly turn into nitrogen gas with nitrite through anaerobic ammonium oxidation district 7100 and discharge, realize the decomposition to the nitrogen source pollutant, sewage treatment efficiency is high, on the second hand, nitration district 7200 includes nitration cell body 7210, nitration cell body 7210 upper portion is nitration stirring district 7220, the lower part is nitration filtering district 7230, be equipped with nitration agitating unit 7240 and nitrifying bacteria filler 7250 in nitration stirring district 7220, nitration cell body 7210 upper portion is equipped with the nitration water inlet 7221 together with nitration stirring district 7220, the lower part is equipped with nitration delivery port 7231 together with nitration filtering district 7230, nitration stirring district 7220 and nitration filtering district 7230 separate through osmotic membrane 7260, still be equipped with the nitration device 7270 that the aeration communicates with external air supply in nitration stirring district 7220, nitration filtering district 7230 is equipped with the nitration drain 6380 that is used for discharging the solid nitration pollutant, in nitration district 7200, in the control of nitration, the control sewage treatment efficiency of nitration, the high oxygen source aeration treatment is provided by nitration control aeration treatment device 7270, nitrification control system for the nitration sewage treatment of nitrifying sewage treatment, nitrifying sewage treatment effect, nitrifying sewage treatment is good for the high nitration control nitrogen source under the control aeration control system, nitrifying sewage treatment effect, nitrifying sewage treatment is good for the control sewage treatment.
In the anammox zone 7100, the nitrified wastewater enters the anammox tank 7110 through an anammox water inlet 7113 at the upper part of the anammox tank 7110, after being stirred and filtered by microorganism fillers in the anammox stirring zone 7111, nitrite in the wastewater reacts with microorganisms, nitrogen source pollutants are decomposed into nitrogen, the treated wastewater enters the anammox filtering zone 7112 through an osmotic membrane 7260, impurities such as solid particles in the wastewater are precipitated and then discharged through an anammox discharge outlet 7118, treated clear water is discharged from an anammox discharge outlet 7114 at the lower part of the anammox tank 7110, during the anammox process, the microorganisms are decomposed into nitrogen through the nitrite, the nitrogen is discharged from the upper part of the anammox tank 7110 through an anammox discharge outlet 7116, the nitrogen enters an anammox air inlet 7115 through an air pipe, enters the anammox stirring zone 7140, the pollution of the anammox stirring zone 7111 is aerated, the wastewater is improved, the contact area of the wastewater and the microorganism fillers is increased, meanwhile, the anaerobic stirring efficiency of the anaerobic ammonia oxidation is improved, the anaerobic ammonia oxidation reaction is improved by adopting a high-efficiency of anaerobic ammonia-oxidizing sewage-oxidizing device 7140, the anaerobic-ammonia-oxidizing-water-oxidizing-sewage-oxidizing-water-sewage-treating system, the high-oxidizing-anaerobic-oxidizing-anaerobic-oxidizing-anaerobic-ammonia-oxidizing-sewage-oxidizing-anaerobic-oxidizing-water-sewage-oxidizing-sewage-oxidizing-anaerobic-oxidizing-sewage-oxidizing-sewage-oxidizing-sewage-water-oxidizing-.
The anaerobic ammonia oxidation stirring device 7120 comprises a motor 7121, a stirring shaft 7122 and stirring blades 7123, wherein meshes are distributed on the surface of each stirring blade 7123, catalytic iron 7124 is filled in each stirring blade 7123, and baffles 7125 are arranged at two ends of each stirring blade 7123; the remote control terminal is electrically connected to the motor 7121. According to the dissolved oxygen data acquired by the remote control terminal in real time, the output power of the motor 7121 is adjusted to change the stirring speed, so that the whole anaerobic ammonia oxidation system is efficiently operated. Meanwhile, the catalytic iron 7124 in the stirring blade 7123 is contacted with the anammox bacteria and the sewage in the stirring process, so that the catalytic effect is achieved, the anammox efficiency is improved, and the sewage treatment efficiency is further improved.
The stirring blades 7123 are of a structure that the length is gradually shortened from top to bottom and the length is longer from top to bottom, so that a vortex can be generated in the stirring process, the contact between sewage and anammox bacteria is increased, the anammox speed is increased, and the sewage treatment efficiency is further improved.
Transparent observation windows are all opened on the nitrification reaction tank 7210 and the anaerobic ammonia oxidation tank 7110, the inside nitrification and denitrification are convenient to observe, the use is convenient, and the outside of the nitrification reaction tank 7210 and the anaerobic ammonia oxidation tank 7110 are all provided with heat-insulating layers, so that the system can maintain proper temperature, the activity of nitrobacteria and anaerobic ammonia oxidizing bacteria is ensured, the nitrification reaction and the anaerobic ammonia oxidation speed are accelerated, and the sewage treatment efficiency is further improved.
The nitrification reaction zone 7200 is also connected with an ultrasonic generator 7300, the ultrasonic generator 7300 intermittently sends ultrasonic waves under the control of the P L C control system 900, the sound energy density of the ultrasonic waves generated by the ultrasonic generator 7300 is 0.7W/m L and is periodic ultrasonic waves, because the periodic ultrasonic waves of 0.7W/m L can promote short-cut nitrification, the accumulation of nitrite is facilitated, the subsequent anaerobic ammonia oxidation is facilitated to be started, the ultrasonic waves inhibit the activity of nitrite oxidase by strengthening the activity of ammonia monooxygenase, promote the short-cut nitrification, inhibit the conversion of nitrate into nitrite, and further improve the sewage treatment efficiency.
The P L C control system 900 comprises an electromagnetic flow meter 910 respectively arranged at a water inlet and a water outlet of the regulating tank 100, the coagulation sedimentation tank 200, the UASB reactor 300, the primary denitrification reaction tank 400, the primary nitrification reaction tank 500, the primary sedimentation tank 600a and the shortcut nitrification-denitrification device 700, a liquid level meter 920, a thermometer, a PH meter 940, an ORP meter 950 and a COD analyzer 960A, BOD analyzer 39960C, an ammonium nitrogen analyzer 960d, an nitrate nitrogen analyzer 960e, a nitrite nitrogen analyzer 960f, an SS analyzer 960G which are arranged in the regulating tank 100, the coagulation sedimentation tank 200, the UASB reactor 300, the primary denitrification reaction tank 400, the primary nitrification reaction tank 500, the primary sedimentation tank 600a, the shortcut nitrification-denitrification device 700 and the secondary sedimentation tank 600b, a microbial preparation metering pump 970a arranged at an outlet of the dosing device 130 of the regulating tank, an anaerobic ammonium nitrate reagent dosing control biological reagent dosing meter 970a, an anaerobic ammonium nitrate dosing biological reagent dosing control ammonium nitrate dosing control analyzer 970a, an anaerobic ammonium nitrate dosing biological reagent dosing biological dosing meter 970b 970, an anaerobic ammonium nitrate dosing biological dosing analyzer 960C 970, a biological dosing 970, a biological dosing control ammonium nitrate dosing 970, a biological dosing control ammonium nitrate dosing control analyzer 960b biological dosing control analyzer 960b, a biological dosing control analyzer 970, a biological dosing control micro ammonium nitrate dosing control micro ammonium nitrate dosing 970, anaerobic.
The method comprises the steps that indexes such as inflow, outflow, PH, temperature, dissolved oxygen, ORP value, nitrate nitrogen concentration, nitrite nitrogen concentration, ammonium nitrogen concentration and COD concentration are monitored in real time through an electromagnetic flow meter 910, a liquid level meter 920, a thermometer 930, a PH meter 940, an ORP meter 950, a COD analyzer 960A, BOD, an analyzer 960B, TP, an analyzer 960C, an ammonium nitrogen analyzer 960d, a nitrate nitrogen analyzer 960e, a nitrite nitrogen analyzer 960f, an SS analyzer 960G and the like, the inflow, the outflow, the PH, the temperature, the dissolved oxygen, the ORP value, the nitrate nitrogen concentration, the nitrite nitrogen concentration, the ammonium nitrogen concentration and the COD concentration are fed back to a remote control terminal 980 in time, the remote control terminal 980 controls the start and stop of the nitrification reaction aeration device according to the indexes such as ORP value, the nitrate nitrogen concentration, the nitrite nitrogen concentration and the ammonium nitrogen concentration in a nitrification reaction zone 200, and prevents nitrite from being oxidized into nitrate, and simultaneously, the remote, Indexes such as nitrite nitrogen concentration, ammonium nitrogen concentration and COD concentration, an acetic acid adding metering pump 970b, a sodium acetate adding metering pump 970C, an ammonium bicarbonate adding metering pump 970d and a microbial agent metering pump 970a are controlled to work so as to ensure that pollutants in the regulating tank 100 are decomposed, indexes such as C/N and nitrite concentration of water in the anaerobic ammonia oxidation tank body meet requirements of anaerobic ammonia oxidation, the anaerobic ammonia oxidation can be rapidly and efficiently carried out, nitrite is effectively started to be converted into nitrogen, the generation of nitrate is reduced, the sewage treatment efficiency is high, and the automation degree is high.
The remote control terminal 980 maintains the C/N of the sewage entering the anaerobic ammonia oxidation zone to be 5 by controlling the addition of acetic acid and sodium acetate. The anaerobic ammonium oxidation bacteria are heterotrophic facultative anaerobes, organic matters are consumed by cell synthesis growth of the anaerobic ammonium oxidation bacteria, when the C/N value is low, the available organic matters are few, the synthesis of denitrifying bacteria is blocked, and the denitrifying effect is poor, so a carbon source is required to be added to improve the C/N value, when the C/N value is high, the carbon source is excessively added, the carbon source is wasted, the COD (chemical oxygen demand) concentration of effluent exceeds the standard, when the C/N value is 5, the microorganism concentration is high, the denitrifying effect is good, the removal rate of TN (total nitrogen) can reach 89%, and the effluent quality is good.
The utility model discloses a theory of operation does:
firstly, sewage enters the adjusting tank 100 through the water inlet 111, the adjusting tank 100 is provided with the first adjusting chamber 110 and the second adjusting chamber 120, when the sewage inflow is large, the first adjusting chamber 110 is full of water, redundant sewage enters the second adjusting chamber 120 for temporary storage, when the sewage inflow is too small, the sewage in the second adjusting chamber 120 flows into the first adjusting tank 100 through the overflow valve and then enters the coagulation sedimentation tank 200, through the arrangement of the second adjusting chamber 120, the sewage amount entering a subsequent treatment unit cannot be suddenly too large or too small, and excessive load and impact cannot be caused to the operation of the subsequent coagulation sedimentation tank 200. Under the action of the aeration device 140, the microbial agent added by the agent adding device 130 in the adjusting tank 100 can oxidize or/and decompose various organic compounds and organic pollutants in the aquaculture sewage, so as to realize the preliminary adjustment of the sewage quality and the water yield.
Then, the sewage in the adjusting tank 100 is discharged through the gas outlet 114, enters the coagulation sedimentation tank 200 through the water inlet 230 after passing through the water pipeline, enters the stirring sedimentation unit 210 first, the sewage is stirred through the stirring sedimentation unit 210 first, so that the solid and the liquid in the sewage are separated, then the first sedimentation is performed, the first separation of the solid and the liquid is realized, the sewage after the first sedimentation enters the filtration sedimentation tank 200 through the porous wall 250, other fine impurities in the sewage are filtered and separated again, the final clear water is discharged through the water outlet 240, the sludge at the bottoms of the stirring sedimentation unit 210 and the filtration sedimentation unit 220 enters the sludge storage tank through the sewage discharge pipeline 260, and the sedimentation of the impurities in the sewage is realized.
Then, the water discharged from the water outlet 240 enters the UASB reactor 300 through the water inlet pipe 320, and is distributed uniformly through the water distributor 330b, the uniformly mixed water rises to the suspension region 350, organic pollutants in the sewage are treated, the sewage rises to the three separators 360, solid-liquid-gas separation of the sewage is realized, biogas is discharged through the exhaust pipe, clear water is discharged through the drain pipe 370d, solid particles in the sewage descend to the suspension region 350 for further decomposition, and then the sewage enters the sludge reaction region 340, the particle pollutants are gradually decomposed by the anaerobic fermentation of microorganisms, and the steps are repeated in sequence until the pollutants in the sewage are all converted into water and biogas.
Then, the water treated by the UASB reactor 300 is discharged from the drain pipe 370d into the primary denitrification reaction tank 400, the primary nitrification reaction tank 500, the primary sedimentation tank 600a, the shortcut nitrification-denitrification device 700, the secondary sedimentation tank 600b, and finally into the external drainage tank 800.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The high-efficiency culture sewage treatment system is characterized by comprising an adjusting tank, a coagulating sedimentation tank, a UASB reactor, a primary denitrification reaction tank, a primary nitrification reaction tank, a primary sedimentation tank, a short-range nitrification-denitrification device, a secondary sedimentation tank, an external drainage tank and a P L C control system for controlling the sewage treatment process, wherein the adjusting tank comprises a first adjusting chamber and a second adjusting chamber which are communicated through overflow valves, a dosing device communicated with the first adjusting chamber and an aeration device arranged in the first adjusting chamber, the side edge of the first adjusting chamber is provided with a water inlet and an air inlet, the top of the first adjusting chamber is provided with a water outlet and an air outlet, the aeration device is arranged at the bottom and the side wall of the first adjusting chamber, and the dosing device is filled with a microorganism composite preparation which comprises pediococcus acidilactici, pediococcus pentosaceus, leuconostoc mesenteroides, lactobacillus plantarum, bacillus amyloliquefaciens, bacillus subtilis, lactobacillus acidophilus, pichia stipitis powdered and bacteria.
2. The high efficiency aquaculture sewage treatment system of claim 1, wherein: the aeration device comprises a plurality of transverse aeration pipes and a plurality of vertical aeration pipes, the transverse aeration pipes and the vertical aeration pipes are arranged in a crossed mode to form a grid shape, and a plurality of aeration holes are uniformly formed in the transverse aeration pipes and the vertical aeration pipes; the gas outlet is provided with an exhaust pipe, the top of the exhaust pipe is provided with an unpowered ventilator, and an adsorbing material for adsorbing pollutants is arranged inside the exhaust pipe.
3. The high efficiency aquaculture sewage treatment system of claim 2, wherein: the coagulating sedimentation tank comprises a stirring sedimentation unit and a filtering sedimentation unit, wherein a water inlet is formed in the upper part of the stirring sedimentation unit, and a water outlet is formed in the upper part of the filtering sedimentation unit; the filtering and precipitating unit is communicated with the stirring and precipitating unit through a wall body with a hole, and the bottoms of the stirring and precipitating unit and the filtering and precipitating unit are respectively provided with a sewage discharge pipeline connected with a sludge storage tank; a plurality of stirring and precipitating units are arranged, and two adjacent stirring and precipitating units are communicated with each other; the stirring precipitation unit comprises a stirring precipitation chamber, a motor arranged at the top of the stirring precipitation chamber, a stirring shaft connected to an output shaft of the motor, and a plurality of stirring blades arranged on the stirring shaft, and further comprises a dosing funnel arranged at the top of the stirring precipitation chamber and used for adding a flocculating agent, wherein the stirring shaft penetrates through the dosing funnel and extends into the stirring precipitation chamber.
4. The high efficiency aquaculture sewage treatment system of claim 3, wherein: the three stirring and precipitating units are provided, the lower parts of the first stirring and precipitating unit and the second stirring and precipitating unit are communicated, the upper parts of the second stirring and precipitating unit and the third stirring and precipitating unit are communicated, and the lower parts of the third stirring and precipitating unit and the filtering and precipitating unit are communicated through a wall body with holes; the lengths of the stirring blades in the first stirring and precipitating unit are sequentially increased from top to bottom, the lengths of the stirring blades in the second stirring and precipitating unit are sequentially decreased from top to bottom, and the lengths of the stirring blades in the third stirring and precipitating unit are sequentially increased from top to bottom; the filtering and settling unit comprises a filtering and settling chamber, an inclined plate area which is positioned in the middle of the filtering and settling chamber and supported by a support frame, and a water collecting tank which is positioned at the upper part of the filtering and settling chamber and supported by a support angle steel; the water collecting tank is communicated with the water outlet; the filtering and precipitating unit also comprises a filtering cloth arranged on the supporting angle steel, the direction of the filtering cloth is opposite to that of the inclined plate area, and the filtering cloth is positioned above the inclined plate area; the wall body with the holes is positioned below the inclined plate area, and the wall body with the holes is uniformly provided with through holes through which liquid can flow but solids cannot pass.
5. The high efficiency aquaculture sewage treatment system of claim 4, wherein: the UASB reactor comprises a reaction chamber, a water inlet pipe, a mounting bracket, a water distributor, a sludge reaction zone, a suspension zone, a three-phase separator, an upper exhaust pipe, a drain pipe and a sludge discharge pipe, wherein one end of the water inlet pipe extends into the bottom of the reaction chamber; the water distributor is in a round table shape with a small upper part and a big lower part, a reflecting plate used for reflecting sewage is arranged below the water distributor, and the reflecting plate is arranged on the mounting bracket.
6. The high efficiency aquaculture sewage treatment system of claim 5, wherein: a plurality of groups of baffles which are obliquely arranged are arranged on two sides above the suspension area, and the lengths of the baffles are sequentially increased from top to bottom; the included angle between the baffle and the side edge of the reaction chamber is 50 degrees, and the included angle between the baffle and the three separators is 90 degrees; a lower exhaust pipe is also arranged at the position of the side edge of the reaction chamber, which is positioned at the height below the three separators; an aeration device and an air inlet pipeline are also arranged in the sludge reaction zone in the reaction chamber; an internal circulating pump is arranged in the sludge reaction chamber.
7. The high efficiency aquaculture sewage treatment system of claim 6, wherein: the short-cut nitrification-denitrification device comprises a nitrification reaction area and an anaerobic ammonia oxidation area; the nitrification reaction zone comprises a nitrification reaction tank body, the upper part of the nitrification reaction tank body is a nitrification reaction stirring zone, the lower part of the nitrification reaction tank body is a nitrification reaction filtering zone, and a nitrification reaction stirring device and a nitrifying bacteria filler are arranged in the nitrification reaction stirring zone; the upper part of the nitrification reaction tank body is provided with a nitrification reaction water inlet which is connected with the nitrification reaction stirring area, and the lower part of the nitrification reaction tank body is provided with a nitrification reaction water outlet which is connected with the nitrification reaction filtering area; the nitration reaction stirring zone and the nitration reaction filtering zone are separated by a permeable membrane; a nitration aeration device communicated with an external air source is also arranged in the nitration stirring zone, and a nitration sewage outlet for discharging solid pollutants is arranged in the nitration filtering zone; the anaerobic ammonia oxidation region comprises an anaerobic ammonia oxidation tank body, the upper part of the anaerobic ammonia oxidation tank body is an anaerobic ammonia oxidation stirring region, the lower part of the anaerobic ammonia oxidation tank body is an anaerobic ammonia oxidation filtering region, and an anaerobic ammonia oxidation stirring device and anaerobic ammonia oxidation bacteria filler are arranged in the anaerobic ammonia oxidation stirring region; the upper part of the anaerobic ammonia oxidation tank body is provided with an anaerobic ammonia oxidation water inlet together with the anaerobic ammonia oxidation stirring area, and the lower part of the anaerobic ammonia oxidation tank body is provided with an anaerobic ammonia oxidation water outlet together with the anaerobic ammonia oxidation filtering area; the anaerobic ammonia oxidation stirring area and the anaerobic ammonia oxidation filtering area are separated by a permeable membrane; the anaerobic ammonia oxidation filtering area is provided with an anaerobic ammonia oxidation sewage outlet for discharging solid pollutants; the anaerobic ammonia oxidation stirring area is provided with an anaerobic ammonia oxidation air outlet at the top, an anaerobic ammonia oxidation air inlet at the bottom, an anaerobic ammonia oxidation aeration device in the anaerobic ammonia oxidation stirring area, and the anaerobic ammonia oxidation aeration device is communicated with the anaerobic ammonia oxidation air inlet and the anaerobic ammonia oxidation air outlet through a gas transmission pipeline.
8. The efficient culture sewage treatment system of claim 7, wherein the anaerobic ammonia oxidation stirring device comprises a motor, a stirring shaft and stirring blades, wherein meshes are distributed on the surfaces of the stirring blades, catalytic iron is filled in the stirring blades, baffles are arranged at two ends of the stirring blades, transparent observation windows are arranged on the nitrification reaction tank body and the anaerobic ammonia oxidation tank body, heat insulation layers are arranged outside the nitrification reaction tank body and the anaerobic ammonia oxidation tank body, the nitrification reaction zone is further connected with an ultrasonic generator, the ultrasonic generator intermittently emits ultrasonic waves under the control of a P L C control system, and the sound energy density of the ultrasonic waves generated by the ultrasonic generator is 0.7W/m L and is periodic ultrasonic waves.
9. The high-efficiency aquaculture sewage treatment system according to claim 8, wherein the P L C control system comprises electromagnetic flow meters respectively arranged at a water inlet and a water outlet of a regulating tank, a coagulating sedimentation tank, a UASB reactor, a primary denitrification reaction tank, a primary nitrification reaction tank, a primary sedimentation tank, a shortcut nitrification-denitrification device, a secondary sedimentation tank, a liquid level meter, a thermometer, a PH meter, a pH meter, a COD analyzer, a BOD analyzer, a TP analyzer, an ammonium nitrogen analyzer, a nitrate nitrogen analyzer, a nitrite nitrogen analyzer, a SS analyzer, a microbial preparation metering pump arranged at an outlet of a dosing device of the regulating tank, an acetic acid dosing metering pump arranged at an anaerobic ammonia oxidation water inlet, a sodium acetate dosing pump and an ammonium bicarbonate dosing pump arranged at a nitrification reaction water inlet, and a biological ammonium bicarbonate dosing pump connected to the electromagnetic flow meters, an ORP meter, a thermometer, a PH meter, TP, SS, and SS.
10. The high efficiency aquaculture sewage treatment system of claim 9, wherein: and the remote control terminal maintains the C/N of the sewage flowing through the anaerobic ammonia oxidation water inlet in the stirring area to be 5 by controlling the addition of acetic acid and sodium acetate.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110818185A (en) * | 2019-11-18 | 2020-02-21 | 武汉鸿鑫天环保工程有限公司 | High-efficiency aquaculture sewage treatment system |
| CN112385573A (en) * | 2020-08-23 | 2021-02-23 | 毛金明 | Laying duck farming systems |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110818185A (en) * | 2019-11-18 | 2020-02-21 | 武汉鸿鑫天环保工程有限公司 | High-efficiency aquaculture sewage treatment system |
| CN112385573A (en) * | 2020-08-23 | 2021-02-23 | 毛金明 | Laying duck farming systems |
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