CN118791105B - Domestic sewage treatment device and method - Google Patents
Domestic sewage treatment device and method Download PDFInfo
- Publication number
- CN118791105B CN118791105B CN202411284607.7A CN202411284607A CN118791105B CN 118791105 B CN118791105 B CN 118791105B CN 202411284607 A CN202411284607 A CN 202411284607A CN 118791105 B CN118791105 B CN 118791105B
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- sewage
- point
- rolling piece
- conveying channel
- sediment
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- 239000010865 sewage Substances 0.000 title claims abstract description 233
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000005096 rolling process Methods 0.000 claims abstract description 82
- 239000013049 sediment Substances 0.000 claims abstract description 50
- 229920000642 polymer Polymers 0.000 claims abstract description 24
- 238000005507 spraying Methods 0.000 claims abstract description 18
- 238000004062 sedimentation Methods 0.000 claims abstract description 15
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 12
- 239000011574 phosphorus Substances 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 claims description 20
- 239000007921 spray Substances 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 5
- 238000005189 flocculation Methods 0.000 claims description 4
- 230000016615 flocculation Effects 0.000 claims description 4
- 238000011010 flushing procedure Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 230000007306 turnover Effects 0.000 claims 1
- 239000002245 particle Substances 0.000 abstract description 9
- 239000000969 carrier Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000003311 flocculating effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000411 inducer Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/23—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by the orientation or disposition of the rotor axis
- B01F27/232—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by the orientation or disposition of the rotor axis with two or more rotation axes
- B01F27/2322—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by the orientation or disposition of the rotor axis with two or more rotation axes with parallel axes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
- B01F27/70—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms
- B01F27/701—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms comprising two or more shafts, e.g. in consecutive mixing chambers
- B01F27/706—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms comprising two or more shafts, e.g. in consecutive mixing chambers with all the shafts in the same receptacle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
- B01F27/75—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with stirrers having planetary motion, i.e. rotating about their own axis and about a sun axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/712—Feed mechanisms for feeding fluids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
- B01F35/7179—Feed mechanisms characterised by the means for feeding the components to the mixer using sprayers, nozzles or jets
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/305—Treatment of water, waste water or sewage
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention relates to the technical field of domestic sewage treatment and discloses a domestic sewage treatment device and method, wherein the domestic sewage treatment device comprises a sewage conveying canal and a spraying pipeline erected above the sewage conveying canal, a first rolling piece and a second rolling piece are arranged in the sewage conveying canal side by side, the spraying pipeline is positioned between the first rolling piece and the second rolling piece, a rotating plate rotates anticlockwise, the flow velocity difference between upper-layer sewage and lower-layer sewage at the point A is effectively reduced, sediment precipitated in the lower-layer sewage at the point B is upwards billowed and the upper-layer sewage at the middle of the point A to the point B are mixed, the sediment is uniformly mixed with polymer solution sprayed by the spraying pipeline, the uniformity of phosphorus reaction between the polymer solution and the sewage is improved, the treatment efficiency is improved, when the polymer solution is sprayed by the spraying pipeline to the sewage mixed with sediment, the sediment contacts with the sediment in the sewage, the flocculated in the sewage is flocculated by using the sediment particles as carriers, the flocculated particles are increased in weight, and the flocculated particles are more rapidly precipitated in a sedimentation tank, and the sedimentation efficiency is improved.
Description
Technical Field
The invention relates to the technical field of domestic sewage treatment, in particular to a domestic sewage treatment device and a domestic sewage treatment method.
Background
After the domestic sewage is preliminarily filtered, the sewage needs to flow through a section of sewage channel to enter a sedimentation tank for flocculation and sedimentation, polymer solution is sprayed into the flowing sewage in the process of flowing the sewage through the sewage channel to react with high-concentration phosphorus in the sewage, the phosphorus is converted into solid from liquid, and the solid reacts with the polymer solution in the process of flowing and conveying the sewage, so that the sewage can be directly sedimentated in the sedimentation tank.
Because carry out polymer solution and add at sewage transportation's in-process, when domestic sewage enters into the sewage channel after preliminary filtration, there are a lot of silt in the domestic sewage, when flowing in the sewage channel, silt receives weight influence to sink to sewage channel bottom, in domestic sewage flow in-process, the sewage of the lower floor receives silt and with sewage channel contact friction's influence, lead to the different velocity of flow of domestic sewage of the upper strata and lower floor, when polymer solution sprays in the domestic sewage of sewage channel, earlier with upper sewage contact reaction, because velocity of flow difference, polymer solution can't be fine with lower floor sewage mixing, lead to sewage upper strata and lower floor's that the interior was carried of sewage channel reaction inhomogeneous, influence sewage treatment effect.
Therefore, the invention discloses a domestic sewage treatment device and a domestic sewage treatment method.
Disclosure of Invention
The invention aims to provide a domestic sewage treatment device and a domestic sewage treatment method, which are used for solving the problems that the polymer solution cannot be well mixed with sewage at the lower layer due to the difference of flow velocity, so that the upper layer and the lower layer of the sewage conveyed in a sewage channel react unevenly, and the sewage treatment effect is affected.
In order to achieve the above purpose, the present invention provides the following technical solutions: the domestic sewage treatment device comprises a sewage conveying canal and a spraying pipeline erected above the sewage conveying canal, wherein a first rolling piece and a second rolling piece are arranged in the sewage conveying canal side by side, and the spraying pipeline is positioned between the first rolling piece and the second rolling piece;
The power shaft of the first rolling piece is connected with the driving piece, the power shafts of the first rolling piece and the second rolling piece are driven by a gear, the driving piece drives the first rolling piece to rotate anticlockwise, and the second rolling piece rotates clockwise under the action of the gear;
The installation position of the first rolling piece and the sewage conveying canal is a point A, the installation position of the second rolling piece and the sewage conveying canal is a point B, when domestic sewage flows through the point A in the sewage conveying canal, the first rolling piece rotates anticlockwise to generate resistance to upper sewage flowing at the point A in the sewage conveying canal, the flow velocity difference between the upper sewage at the point A and the lower sewage is reduced, the second rolling piece rotates clockwise to generate resistance to lower sewage flowing at the point B in the sewage conveying canal, and the second rolling piece is used for mixing sediment precipitated in the lower sewage at the point B upwards with the upper sewage at the middle part between the point A and the point B;
The first rolling piece comprises a turning shaft lever connected with the output shaft of the driving piece and a plurality of turning plates I which are annularly arranged on the outer surface of the turning shaft lever;
The second rolling piece comprises a rotary rod and a plurality of second rotary plates which are arranged on the outer surface of the rotary rod in an annular array mode.
Preferably, each second rotating plate is provided with a flow through groove for sewage to flow through, the flow through groove is a long groove formed along the length direction of the second rotating plate, and each second rotating plate is provided with a closed support plate for closing the flow through groove.
Preferably, a plurality of guide impellers are arranged in the through flow groove in an array manner, and the blades of the guide impellers are arc-shaped;
the two ends of the closed support plate are vertically extended and connected with moving blocks, and the second rotating plate is provided with sliding grooves for the moving blocks and the movement of the closed support plate.
Preferably, the screw rod and the limiting rod are respectively arranged in the two ends of the rotating plate, one moving block is sleeved on the screw rod, and the other moving block is sleeved on the limiting rod.
Preferably, an adjusting disc is fixed on the inner wall of the sewage conveying channel, and a first arc-shaped rack and a second arc-shaped rack with two opposite tooth openings are arranged on the adjusting disc and are coaxially staggered.
Preferably, the second arc-shaped rack is connected with the outer wall of the adjusting plate through an arc-shaped extension plate, and the first arc-shaped rack is fixed on the end face of the adjusting plate, which is close to one side of the second rolling piece.
Preferably, a transmission gear is arranged at one end of the screw rod, the transmission gear is respectively meshed with the first arc-shaped rack and the second arc-shaped rack intermittently, and a groove for accommodating the transmission gear is formed in the second rotating plate.
Preferably, a driving disk is fixed on the inner wall of the sewage conveying channel, a cam groove is formed in the driving disk, a convex groove of the cam groove faces the bottom end of the sewage conveying channel, a groove of the cam groove faces the top end opening of the sewage conveying channel, a side shaft rod is arranged at one end of the closed support plate, which faces the driving disk, and one end of the side shaft rod is inserted and arranged in the cam groove.
The invention provides the following technical scheme: a domestic sewage treatment method, comprising the following steps:
S1: the domestic sewage passes through the point A in the flowing process of the sewage conveying channel, when the domestic sewage passes through the point A, the driving piece drives the overturning shaft rod and the first rotating plates to rotate anticlockwise, and the first rotating plates generate resistance to the upper sewage flowing at the point A when overturning from the bottommost end of the sewage conveying channel to the upper side, so that the flow velocity of the upper sewage is reduced;
s2: the overturning shaft rod rotates and drives the rotating rod to rotate clockwise through the gear, the rotating rod drives the rotating plates II to rotate clockwise, resistance is generated to lower-layer sewage and sediment flowing at the point B when the rotating plates II overturn to the bottommost end of the sewage conveying channel, and the lower-layer sewage and sediment are overturned to the upper part and mixed with upper-layer sewage between the point A and the point B;
s3: in the process that the second rotating plate rotates from a horizontal state to a vertical state and the end face of the second rotating plate faces the upper end of the sewage conveying channel, the sealing support plate on the second rotating plate moves towards the direction close to the rotating rod to open the flow through groove, and when the sewage and sediment after the billowing pass through the flow through groove, the plurality of guide impellers are driven to rotate to form small vortex flows to uniformly mix the sediment in the sewage;
S4: when the first rolling piece and the second rolling piece are used for flushing sewage, a plurality of spraying points on the spraying pipeline continuously spray polymer solution on the sewage from the point A to the point B, the polymer solution is mixed with the sewage and sediment which are uniformly mixed in a rolling way, and the polymer solution reacts with high-concentration phosphorus in the sewage to convert the phosphorus from liquid into solid for flocculation;
S5: and then the treated sewage is conveyed into a sedimentation tank for sedimentation by the sewage conveying channel.
The invention has the technical effects and advantages that:
1. The first rolling piece comprises a rolling shaft rod connected with an output shaft of the driving piece, and a plurality of first rotating plates which are arranged on the outer surface of the rolling shaft rod in an annular array manner, wherein the first rotating plates rotate anticlockwise, the rotating direction of the first rotating plates is opposite to the flowing direction of upper sewage when the first rotating plates are turned upwards, resistance is formed on the upper sewage flowing in the upper layer, the flow velocity difference between the upper sewage flowing in the point A and the lower sewage flowing in the point B is effectively reduced, and the second rolling piece generates resistance on the lower sewage flowing in the sewage conveying channel when the second rolling piece rotates clockwise, so that sediment precipitated in the lower sewage at the point B is upwards rolled upwards and mixed with the upper sewage in the middle of the point A to the point B, and the sediment is uniformly mixed with polymer solution sprayed by the spraying pipeline, thereby improving the uniformity of the polymer solution and phosphorus reaction in the sewage and improving the treatment efficiency.
2. According to the invention, the flow through grooves for sewage to flow through are formed in each second rotating plate, the sealing support plates for sealing the flow through grooves are arranged on each second rotating plate, the plurality of guide impellers are arranged in the flow through grooves in an array mode, the blades of the guide impellers are arc-shaped, when sewage mixed with sediment flows through the flow through grooves, resistance generated between sewage flowing and the guide impellers is used for driving the guide impellers to rotate, the sewage mixed with sediment is vertically stirred, sediment which is billowed to the upper side is ensured to be mixed with sewage and dispersed more uniformly, when a spraying pipeline sprays a polymer solution to the sewage mixed with sediment, the sewage is contacted with sediment in the sewage, flocculating groups flocculate by using sediment particles as carriers, the weight of the flocculated particles is increased, the flocculated particles are more rapidly settled in a sedimentation tank, and the sedimentation efficiency is improved.
3. The sealing support plate moves in the direction away from the rotating rod, the sealing support plate seals the flow through groove, the rotating plate II continuously rotates at the moment, when the rotating plate II rotates to the bottommost end of the sewage conveying channel, the flow through groove is sealed, sediment to be billowed at the bottommost end of the sewage conveying channel is prevented from flowing through the flow through groove, the flow through groove is adaptively opened and closed through the sealing support plate, and the sediment is mixed and stirred after being billowed effectively, so that the sewage treatment efficiency is improved.
Drawings
FIG. 1 is a schematic overall structure of a first embodiment of the present invention;
FIG. 2 is a side view of the overall structure of the present invention;
FIG. 3 is a schematic view of the first rolling member and the second rolling member according to the present invention;
FIG. 4 is a schematic view of a second rolling member according to the present invention;
FIG. 5 is a side view of a second tumble structure according to the invention;
FIG. 6 is an enlarged view of the invention at A of FIG. 5;
Fig. 7 is a schematic diagram of a second rolling member and an adjusting plate separating structure according to the present invention;
FIG. 8 is a cross-sectional plan view of a sewage delivery channel of the present invention;
FIG. 9 is a schematic overall structure of a second embodiment of the present invention;
Fig. 10 is a schematic diagram illustrating a separation structure of the adjusting plate and the second rolling member according to the second embodiment of the present invention.
In the figure: 1. a sewage conveying canal; 2. a spray pipe; 3. a first rolling piece; 31. turning over the shaft lever; 32. a rotating plate I; 4. the second rolling piece; 41. a rotating rod; 42. a second rotating plate; 421. a screw rod; 4211. a transmission gear; 43. a through launder; 431. a inducer; 44. closing the support plate; 441. a moving block; 442. a side shaft lever; 5. an adjusting plate; 51. a first arcuate rack; 52. a second arcuate rack; 6. a drive plate; 61. cam groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
An embodiment 1, refer to fig. 1 to 8, and provide a domestic sewage treatment device according to a first embodiment of the present invention, including a sewage conveying channel 1 and a spray pipe 2 erected above the sewage conveying channel 1, in which a first rolling member 3 and a second rolling member 4 are arranged side by side in the sewage conveying channel 1, the spray pipe 2 is located between the first rolling member 3 and the second rolling member 4, a plurality of spray nozzles are arranged on the spray pipe 2, the spray nozzles spray in a ring shape, when the first rolling member 3 and the second rolling member 4 rotate in opposite directions, the spray nozzles continuously spray polymer solution into the sewage between the first rolling member 3 and the second rolling member 4, and the sewage after the flushing is uniformly mixed with the polymer solution.
The power shaft of the first rolling piece 3 is connected with the driving piece, the driving piece drives the first rolling piece 3 to rotate anticlockwise through gear transmission between the power shaft of the first rolling piece 3 and the power shaft of the second rolling piece 4, under the action of gear transmission, the second rolling piece 4 rotates clockwise, the installation position of the first rolling piece 3 and the sewage conveying channel 1 is the point A, the installation position of the second rolling piece 4 and the sewage conveying channel 1 is the point B, when domestic sewage flows through the point A in the sewage conveying channel 1, the first rolling piece 3 rotates anticlockwise to generate resistance to upper sewage flowing in the point A in the sewage conveying channel 1, the flow speed difference between the upper sewage flowing in the point A and the lower sewage is reduced, the second rolling piece 4 rotates clockwise to generate resistance to the lower sewage flowing in the point B in the sewage conveying channel 1, sediment deposited in the lower sewage in the point B is mixed with the upper sewage in the middle of the point A to the point B, the sediment is uniformly mixed with polymer solution in the pipeline 2, the phosphorus reaction uniformity in the sewage is improved, and the phosphorus reaction efficiency in the sewage is improved.
The first rolling piece 3 comprises a rolling shaft rod 31 connected with an output shaft of the driving piece, and a plurality of first rotating plates 32 which are arranged on the outer surface of the rolling shaft rod 31 in an annular array, wherein the first rotating plates 32 rotate anticlockwise, when the rolling piece is turned upwards, the rotating direction of the first rotating plates is opposite to the flowing direction of sewage on the upper layer, resistance is formed on the sewage flowing on the upper layer, and the flow velocity difference between the sewage on the upper layer and the sewage on the lower layer at the point A is effectively reduced.
The second rolling piece 4 comprises a rotary rod 41 and a plurality of second rotary plates 42 which are annularly arranged on the outer surface of the rotary rod 41, the rotary rod 41 rotates clockwise, the rotary rod 41 drives the plurality of second rotary plates 42 to rotate clockwise, resistance is generated to lower-layer sewage and sediment flowing at the point B when the second rotary plates 42 are overturned to the bottommost end of the sewage conveying channel 1, and the lower-layer sewage and sediment are overturned to the upper part and are mixed with upper-layer sewage between the point A and the point B.
The flow through grooves 43 for sewage to flow through are formed in each second rotating plate 42, the flow through grooves 43 are long grooves formed in the length direction of the second rotating plates 42, sealing support plates 44 for sealing the flow through grooves 43 are arranged in each second rotating plate 42, a plurality of guide impellers 431 are arranged in an array mode in the flow through grooves 43, blades of the guide impellers 431 are arc-shaped, when sewage mixed with sediment flows through the flow through grooves 43, resistance generated between sewage flowing and the guide impellers 431 is used for driving the guide impellers 431 to rotate, vertical stirring is conducted on the sewage mixed with sediment, the sediment and the sewage mixed with the sediment are guaranteed to be mixed and dispersed more evenly, when the polymer solution is sprayed on the sewage mixed with the sediment through the spraying pipeline 2, the sewage is contacted with the sediment, flocculating groups in the sewage are flocculated by using sediment particles as carriers, the weight of the flocculated particles is increased, the flocculated particles are more rapidly deposited in a sedimentation tank, and the sedimentation efficiency is improved.
A screw rod 421 and a limiting rod are respectively arranged in the two ends of the second rotating plate 42, two ends of the closed support plate 44 are vertically extended and connected with a moving block 441, one moving block 441 is sleeved on the screw rod 421, the other moving block 441 is sleeved on the limiting rod, an adjusting disc 5 is fixed on the inner wall of the sewage conveying channel 1, two first arc racks 51 and second arc racks 52 with opposite tooth openings are arranged on the adjusting disc 5, the first arc racks 51 and the second arc racks 52 are coaxially staggered, the second arc racks 52 are connected with the outer wall of the adjusting disc 5 through arc extension plates, the first arc racks 51 are fixed on the end face of the adjusting disc 5, which is close to one side of the second rolling piece 4, one end of the screw rod 421 is provided with a transmission gear 4211, the transmission gear 4211 is respectively meshed with the first arc racks 51 and the second arc racks 52 intermittently, a chute for moving the moving block 441 and the closed support plate 44 is arranged on the second rotating plate 42, the second rotating plate 42 is provided with a groove for accommodating the transmission gear 4211, when the second rotating plate 42 moves to one end of the first arc-shaped rack 51, the sealing support plate 44 on the second rotating plate 42 is in a state of sealing the through-flow groove 43, when the second rotating plate 42 rotates to pass through the first arc-shaped rack 51, the transmission gear 4211 is meshed with the first arc-shaped rack 51 and drives the transmission gear 4211 and the screw rod 421 to rotate anticlockwise, the moving block 441 and the sealing support plate 44 are driven to move towards the direction close to the rotating rod 41, the sealing support plate 44 opens the through-flow groove 43, sewage and sediment after the billowing pass through the through-flow groove 43, the plurality of diversion impellers 431 are driven to rotate more uniformly to stir the sewage and sediment, when the second rotating plate 42 rotates to pass through the second arc-shaped rack 52, the transmission gear 4211 is meshed with the second arc-shaped rack 52 and drives the transmission gear 4211 and the screw rod 421 to rotate clockwise, the movable block 441 and the closed support plate 44 are driven to move in the direction far away from the rotary rod 41, the closed support plate 44 closes the flow through groove 43, at the moment, the second rotary plate 42 continuously rotates, when the second rotary plate rotates to the bottommost end of the sewage conveying channel 1, the flow through groove 43 is closed, sediment to be billowed at the bottommost end of the sewage conveying channel 1 is prevented from flowing through the flow through groove 43, the flow through groove 43 is adaptively opened and closed through the closed support plate 44, the sediment is effectively billowed and then is mixed and stirred, the sewage treatment efficiency is improved, and in order to enable the moving process of the closed support plate 44 to be smoother, two adjusting plates 5 and first arc-shaped racks 51 and second arc-shaped racks 52 in the scheme can be arranged on the inner wall of the sewage conveying channel 1 symmetrically, and the second rotary plate 42 is adaptively adjusted.
Referring to fig. 1 to 8, there is provided a domestic sewage treatment method comprising the steps of:
S1: the domestic sewage passes through the point A in the flowing process of the sewage conveying channel 1, when the domestic sewage passes through the point A, the driving piece drives the overturning shaft rod 31 and the rotating plates I32 to rotate anticlockwise, and the rotating plates I32 generate resistance to upper sewage flowing at the point A when overturning from the bottommost end of the sewage conveying channel 1 to the upper part so as to reduce the flow rate of the upper sewage;
S2: the turning shaft lever 31 rotates and drives the rotating rod 41 to rotate clockwise through a gear, the rotating rod 41 drives the rotating plates II 42 to rotate clockwise, resistance is generated to lower sewage and sediment flowing at the point B when the rotating plates II 42 are turned to the bottommost end of the sewage conveying channel 1, and the lower sewage and sediment are turned over to be mixed with upper sewage between the point A and the point B;
S3: in the process that the second rotating plate 42 rotates from a horizontal state to a vertical state and the end face of the second rotating plate faces the upper end of the sewage conveying channel 1, the sealing support plate 44 on the second rotating plate 42 moves towards the direction close to the rotating rod 41 to open the flow through groove 43, and when the billowed sewage and sediment pass through the flow through groove 43, the plurality of guide impellers 431 are driven to rotate to form uniform sediment mixing in small vortex scene sewage;
S4: when the second rotating plate 42 moves to one end of the first arc-shaped rack 51, the sealing support plate 44 on the second rotating plate 42 is in a state of sealing the penetrating groove 43, and when the second rotating plate 42 rotates to pass through the first arc-shaped rack 51, the transmission gear 4211 is meshed with the first arc-shaped rack 51 and drives the transmission gear 4211 and the screw rod 421 to rotate anticlockwise, the moving block 441 and the sealing support plate 44 are driven to move towards the direction close to the rotating rod 41, so that the sealing support plate 44 opens the penetrating groove 43, and sewage and sediment after the billowing pass through the penetrating groove 43;
S5: when the second rotating plate 42 rotates to pass through the second arc-shaped rack 52, in the process, the transmission gear 4211 is meshed with the second arc-shaped rack 52 and drives the transmission gear 4211 and the screw rod 421 to rotate clockwise, the moving block 441 and the sealing support plate 44 are driven to move away from the rotating rod 41, the sealing support plate 44 seals the flow through groove 43, at the moment, the second rotating plate 42 continuously rotates, and when the second rotating plate rotates to the bottommost end of the sewage conveying channel 1, the flow through groove 43 is sealed, so that sediment to be billowed at the bottommost end of the sewage conveying channel 1 is prevented from flowing through the flow through groove 43;
S6: while the first rolling piece 3 and the second rolling piece 4 are used for flushing sewage, a plurality of spraying points on the spraying pipeline 2 are used for continuously spraying polymer solution on the sewage between the points A and B, and the polymer solution is mixed with the sewage and sediment which are uniformly mixed in a rolling way, reacts with high-concentration phosphorus in the sewage, and converts the phosphorus from liquid to solid for flocculation;
S7: and then the treated sewage is conveyed into a sedimentation tank for sedimentation by the sewage conveying channel 1.
Embodiment 2, referring to fig. 9 and 10, is a second embodiment of the present invention, which is different from the first embodiment in that: the present disclosure further provides another structure for driving the movement of the closed support plate 44, including a driving plate 6 fixed on the inner wall of the sewage conveying channel 1, the driving plate 6 is provided with a cam groove 61, the cam groove 61 is faced to the bottom end of the sewage conveying channel 1, the groove of the cam groove 61 is faced to the top end opening of the sewage conveying channel 1, two sides of the second rotating plate 42 are provided with limiting grooves for sliding installation of the closed support plate 44, one end of the closed support plate 44 is faced to one end of the driving plate 6 and provided with a side shaft 442, one end of the side shaft 442 is inserted into the cam groove 61, the second rolling member 4 rotates, when the second rotating plate 42 rotates to a horizontal state and approaches the point a, the side shaft 442 rotates to the joint of the cam groove 61, when the second rotating plate 42 continuously rotates, the side shaft 442 moves from the cam groove 61 to the groove, the side shaft 442 pulls the closed support plate 44 to move along the direction of the rotating plate 42 near the rotating rod 41, so that the through groove 43 is opened, and the side shaft 442 rotates along the direction of the side groove 442 moves along the rotating rod 41, and the side shaft 442 moves along the direction of the rotating rod 41, and the side shaft 442 moves along the side groove 41, and the side shaft 442 moves along the direction of the rotating rod 42 far from the cam groove 41, and moves along the side groove 442 along the rotating direction of the side groove 41, and moves along the side groove 442 along the side of the side groove 42, and moves along the side groove 442 along the side of the side groove, and moves along the side groove 42, and moves along the side groove.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (9)
1. The utility model provides a domestic sewage treatment device, includes sewage delivery canal (1) and erects spray pipe (2) in sewage delivery canal (1) top, its characterized in that: a first rolling piece (3) and a second rolling piece (4) are arranged in the sewage conveying channel (1) side by side, and the spraying pipeline (2) is positioned between the first rolling piece (3) and the second rolling piece (4);
The power shaft of the first rolling piece (3) is connected with the driving piece, the power shafts of the first rolling piece (3) and the second rolling piece (4) are driven by a gear, the driving piece drives the first rolling piece (3) to rotate anticlockwise, and the second rolling piece (4) rotates clockwise under the action of the gear;
The installation position of the first rolling piece (3) and the sewage conveying channel (1) is the point A, the installation position of the second rolling piece (4) and the sewage conveying channel (1) is the point B, when domestic sewage flows in the sewage conveying channel (1) and passes through the point A, the first rolling piece (3) rotates anticlockwise to generate resistance to upper sewage flowing in the point A in the sewage conveying channel (1) and is used for reducing the flow velocity difference between the upper sewage and the lower sewage in the point A, and the second rolling piece (4) rotates clockwise to generate resistance to lower sewage flowing in the point B in the sewage conveying channel (1) and is used for mixing sediment precipitated in the lower sewage in the point B with the upper sewage in the middle of the point A to the point B;
the first rolling piece (3) comprises a turning shaft lever (31) connected with the output shaft of the driving piece, and a plurality of turning plates I (32) which are annularly arranged on the outer surface of the turning shaft lever (31);
the second rolling piece (4) comprises a rotary rod (41) and a plurality of rotary plates II (42) which are arranged on the outer surface of the rotary rod (41) in an annular array.
2. The domestic sewage treatment apparatus according to claim 1, wherein: and each rotating plate II (42) is provided with a flow through groove (43) for sewage to flow through, the flow through grooves (43) are long grooves formed in the length direction of the rotating plate II (42), and each rotating plate II (42) is provided with a sealing support plate (44) for sealing the flow through grooves (43).
3. The domestic sewage treatment apparatus according to claim 2, wherein: a plurality of guide impellers (431) are arranged in the through flow groove (43) in an array mode, and blades of the guide impellers (431) are arc-shaped;
The two ends of the sealing support plate (44) are vertically connected with moving blocks (441) in an extending mode, and sliding grooves used for moving the moving blocks (441) and the sealing support plate (44) are formed in the second rotating plate (42).
4. A domestic sewage treatment apparatus according to claim 3, wherein: screw rods (421) and limiting rods are respectively arranged in two ends of the rotating plate II (42), one moving block (441) is sleeved on the screw rods (421), and the other moving block (441) is sleeved on the limiting rods.
5. The domestic sewage treatment apparatus according to claim 4, wherein: an adjusting disc (5) is fixed on the inner wall of the sewage conveying channel (1), a first arc-shaped rack (51) and a second arc-shaped rack (52) with two opposite tooth openings are arranged on the adjusting disc (5), and the first arc-shaped rack (51) and the second arc-shaped rack (52) are coaxially staggered.
6. The domestic sewage treatment apparatus according to claim 5, wherein: the second arc-shaped rack (52) is connected with the outer wall of the adjusting disc (5) through an arc-shaped extension plate, and the first arc-shaped rack (51) is fixed on the end face of one side, close to the second rolling piece (4), of the adjusting disc (5).
7. The domestic sewage treatment apparatus according to claim 6, wherein: one end of the screw rod (421) is provided with a transmission gear (4211), the transmission gear (4211) is respectively meshed with the first arc-shaped rack (51) and the second arc-shaped rack (52) in an intermittent mode, and a groove for accommodating the transmission gear (4211) is formed in the second rotating plate (42).
8. A domestic sewage treatment apparatus according to claim 3, wherein: a driving disc (6) is fixed on the inner wall of the sewage conveying channel (1), a cam groove (61) is formed in the driving disc (6), a convex groove of the cam groove (61) faces towards the bottom end of the sewage conveying channel (1), a concave groove of the cam groove (61) faces towards the top end opening of the sewage conveying channel (1), a side shaft lever (442) is arranged at one end, facing the driving disc (6), of the sealing support plate (44), and one end of the side shaft lever (442) is inserted and arranged in the cam groove (61).
9. A domestic sewage treatment method applied to the domestic sewage treatment apparatus of claim 7, characterized by comprising the steps of:
s1: the domestic sewage passes through the point A in the flowing process of the sewage conveying channel (1), when passing through the point A, the driving piece drives the overturning shaft rod (31) and the rotating plates I (32) to rotate anticlockwise, and the rotating plates I (32) generate resistance to the upper sewage flowing at the point A when overturning from the bottommost end of the sewage conveying channel (1) to the upper part, so that the flow rate of the upper sewage is reduced;
S2: the turnover shaft lever (31) rotates and drives the rotary rod (41) to rotate clockwise through a gear, the rotary rod (41) drives the rotary plates II (42) to rotate clockwise, resistance is generated to lower sewage and sediment flowing at the point B when the rotary plates II (42) turn to the bottommost end of the sewage conveying channel (1), and the lower sewage and sediment are turned over to be mixed with upper sewage between the point A and the point B;
S3: in the process that the rotating plate II (42) rotates from a horizontal state to a vertical state and the end face of the rotating plate II faces the upper end of the sewage conveying channel (1), the sealing support plate (44) on the rotating plate II (42) moves to the direction close to the rotating rod (41) to open the through-flow groove (43), and when the sewage and sediment after the billowing pass through the through-flow groove (43), the plurality of guide impellers (431) are driven to rotate to form small vortex flows to uniformly mix the sediment in the sewage;
S4: while the first rolling piece (3) and the second rolling piece (4) are used for flushing sewage, a plurality of spraying points on the spraying pipeline (2) are used for continuously spraying polymer solution on the sewage between the point A and the point B, the polymer solution is mixed with the sewage and sediment which are uniformly mixed in a rolling way, and the polymer solution reacts with high-concentration phosphorus in the sewage to convert the phosphorus from liquid into solid for flocculation;
s5: and then the treated sewage is conveyed into a sedimentation tank for sedimentation by a sewage conveying channel (1).
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114618382A (en) * | 2022-04-06 | 2022-06-14 | 安徽凯泽新材料有限公司 | High-efficient stirring transmission of polymeric kettle |
| CN116813053A (en) * | 2023-08-04 | 2023-09-29 | 上海材一科技有限公司 | Concrete sewage flocculation precipitation equipment and sewage sedimentation tank |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CH499465A (en) * | 1968-03-29 | 1970-11-30 | Union Tank Car Co | Device for treating waste water |
| KR101544546B1 (en) * | 2015-03-31 | 2015-08-21 | 주식회사 케이디 | Hybrid simple sewage treatment method and apparatus having high-speed sedimentation and floatation |
| KR102034148B1 (en) * | 2019-06-10 | 2019-10-18 | 효림산업주식회사 | Deep-bed Sludge collector including coagulation & concentration and high turbidity wastewater treatment system containing the same |
| CN118401479A (en) * | 2022-01-06 | 2024-07-26 | 广州工商学院 | Be applied to high chroma waste water treatment's decoloration device |
| CN218620476U (en) * | 2022-10-13 | 2023-03-14 | 武汉正元环境科技股份有限公司 | Sewage purification treatment system |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114618382A (en) * | 2022-04-06 | 2022-06-14 | 安徽凯泽新材料有限公司 | High-efficient stirring transmission of polymeric kettle |
| CN116813053A (en) * | 2023-08-04 | 2023-09-29 | 上海材一科技有限公司 | Concrete sewage flocculation precipitation equipment and sewage sedimentation tank |
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