CN114682000A - Recovery and treatment device and treatment method for waste liquid for polyaluminium chloride production - Google Patents
Recovery and treatment device and treatment method for waste liquid for polyaluminium chloride production Download PDFInfo
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- CN114682000A CN114682000A CN202210269831.3A CN202210269831A CN114682000A CN 114682000 A CN114682000 A CN 114682000A CN 202210269831 A CN202210269831 A CN 202210269831A CN 114682000 A CN114682000 A CN 114682000A
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- 239000007788 liquid Substances 0.000 title claims abstract description 113
- 239000002699 waste material Substances 0.000 title claims abstract description 61
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000011084 recovery Methods 0.000 title claims abstract description 8
- 239000004744 fabric Substances 0.000 claims abstract description 60
- 238000003825 pressing Methods 0.000 claims abstract description 42
- 238000004062 sedimentation Methods 0.000 claims abstract description 19
- 238000011010 flushing procedure Methods 0.000 claims abstract description 12
- 238000005086 pumping Methods 0.000 claims abstract description 11
- 239000000758 substrate Substances 0.000 claims abstract description 10
- 239000002351 wastewater Substances 0.000 claims description 27
- 229910001570 bauxite Inorganic materials 0.000 claims description 15
- 238000005406 washing Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 4
- 239000008213 purified water Substances 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 241000282472 Canis lupus familiaris Species 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims description 2
- 239000013049 sediment Substances 0.000 claims description 2
- 230000009471 action Effects 0.000 abstract description 20
- 230000000694 effects Effects 0.000 abstract description 20
- 238000001914 filtration Methods 0.000 abstract description 17
- 230000005484 gravity Effects 0.000 abstract description 4
- 238000012824 chemical production Methods 0.000 abstract description 2
- 238000004140 cleaning Methods 0.000 description 19
- 230000007246 mechanism Effects 0.000 description 4
- 238000004064 recycling Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011345 viscous material Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/70—Regenerating the filter material in the filter by forces created by movement of the filter element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/48—Halides, with or without other cations besides aluminium
- C01F7/56—Chlorides
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a waste liquid recovery treatment device and a waste liquid recovery treatment method for polyaluminium chloride production, which relate to the technical field of chemical production and comprise a flushing device, a sedimentation tank, a conveying device and a filtering device, wherein the filtering device comprises a first driving part, a second driving part, a clamping part, a rotary part, a liquid pumping part, a filter pressing auxiliary part, a substrate and a filter plate. Make the filter residue whereabouts under the action of gravity through gyration many times, in order to ensure the clean effect of filter plate, constantly vibrate when the filter plate gyration through setting up the movable block, the clean effect to the filter cloth production when further having improved the filter plate gyration, viscidity waste residue has been avoided adhering to on the filter cloth, the efficiency of waste liquid treatment is improved, the influence to the filter work production when having reduced the filter plate clean, the treatment effeciency of waste liquid has been improved, do not need artificial intervention to carry out full-automatic filter residue when clean and clear away, filter equipment's filter effect has been ensured, staff's work load has been reduced, the production efficiency of enterprise has been improved.
Description
Technical Field
The invention relates to the technical field of chemical production, in particular to a device and a method for recovering and treating waste liquid for polyaluminium chloride production.
Background
In the preparation process of polyaluminium chloride, bauxite needs to be washed for further treatment, a large amount of wastewater is generated after the bauxite is washed, and the wastewater contains a large amount of bauxite impurities, so that the environment is damaged if the wastewater is not treated, and the wastewater needs to be filtered.
Most of the existing bauxite wastewater is filtered by a filter press, impurities and liquid in the bauxite wastewater are separated by the filter press, the filter press needs to be stopped to separate filter pressing plates one by one after the filter press is used for a period of time, so that filter residues on two sides of the filter pressing plates are cleaned, the idle time of the filter press is prolonged, the treatment efficiency of the wastewater is reduced, meanwhile, as viscous substances are contained in the filtered filter residues in the bauxite wastewater, the cleaning difficulty of the filter pressing plates is improved, manual intervention is needed in the cleaning process of the filter pressing plates to ensure the cleanliness of the filter pressing plates, the workload of workers is increased, the treatment efficiency of the wastewater is further reduced, the production efficiency of enterprises cannot be effectively ensured, and therefore, the application provides a waste liquid recovery treatment device and a treatment method for producing polyaluminium chloride to meet the requirements.
Disclosure of Invention
In order to achieve the above purpose, the present application provides the following technical solutions: a waste liquid recovery treatment device and a treatment method for polyaluminium chloride production comprise a flushing device, a sedimentation tank, a conveying device and a filtering device, wherein the filtering device comprises a first driving part, a second driving part, a clamping part, a rotary part, a pump liquid part, a filter pressing auxiliary part, a base plate and a plurality of filter plates, and filter cloth is fixedly sleeved on the inner sides of the plurality of filter plates; the utility model discloses a filter press filter cloth, including filter plate, clamping component, rotary part, first drive component, second drive component, washing unit, conveyor is used for washing bauxite and produces the waste liquid, conveyor is used for carrying waste water to the sediment device, the clamping component is used for driving the clamping component rotates in order to change the filter plate, rotary part is used for the cooperation first drive component drives the filter plate and revolves many times and then gets rid of the filter residue on filter cloth surface with the clamping component, the second drive component is used for driving the waste liquid pump to the filter cloth in pump liquid part will the sedimentation tank, the second drive component drives the waste liquid on the filter cloth of filter-pressing auxiliary component extrusion through pump liquid part and then supplementary filter cloth filters the waste liquid.
Preferably, the top of base plate is about the central symmetry fixed mounting of base plate has two supporting seats, two the bottom of supporting seat all is annular fixed mounting and has a plurality of supporting legs, two the filter box has all been fixed the cover to the inboard of supporting seat and has been connect, the top fixed mounting of filter box has the support frame, the inboard of filter box is annular array and installs a plurality of dogs, and wherein two filter plates about the central symmetry of base plate all are located in the filter box.
Preferably, the second driving part comprises a hydraulic cylinder which is fixedly installed and sleeved in the supporting frame, and the output end of the hydraulic cylinder is fixedly provided with a first limiting disc.
Preferably, the liquid pumping part comprises a slide bar fixedly sleeved at the bottom of the first limiting disc, the top of the filter box is fixedly provided with a cylinder body penetrating through and extending into the filter box, the slide bar penetrates through and extends into the cylinder body, the bottom of the slide bar is fixedly provided with a piston, the piston is slidably sleeved at the inner side of the cylinder body, the outer side of the cylinder body is provided with a first liquid inlet, a first one-way valve is fixedly sleeved in the first liquid inlet, a liquid inlet pipe is fixedly sleeved in the liquid inlet of the first one-way valve, the liquid inlet of the liquid inlet pipe is communicated with the sedimentation tank, the liquid outlet of the first one-way valve is communicated with the first liquid inlet, the bottom of the cylinder body is provided with a first liquid outlet, a through pipe is sleeved in the first liquid outlet in a sliding manner, a second one-way valve is sleeved in the liquid inlet of the through pipe, the liquid inlet of the second one-way valve is communicated with the inside of the cylinder body, the liquid outlet of siphunculus runs through and extends to in the filter box, the liquid outlet of siphunculus is located the top of filter plate.
Preferably, the filter-pressing auxiliary component include with a plurality of head rods that the filter box top slided and cup joints, it is a plurality of the head rod is ring array and arranges, and is a plurality of the head rod all with same first spacing dish slides and cup joints, and is a plurality of first stop collar and second stop collar have all been fixed to cup joint in the outside of head rod, the bottom fixedly connected with cover of second stop collar is established the first spring in the head rod outside, the one end of first spring with the top of filter box is contradicted, and is a plurality of the same clamp plate of the equal fixedly connected with in bottom of head rod, the clamp plate with the siphunculus is fixed and is cup jointed, the bottom of clamp plate with the bottom of siphunculus flushes, the top of clamp plate with the dog is contradicted, the bottom of clamp plate with the top of filter plate flushes.
Preferably, the first driving part comprises a driving motor fixedly mounted on the top of the substrate, and a speed reducer is fixedly mounted at an output end of the driving motor.
Preferably, the clamping part includes with the fixed first fixed cover that cup joints of reduction gear output end, the outside of first fixed cover is the annular array and is provided with a plurality of second connecting rods, and is a plurality of the outside of second connecting rod is rotated and is cup jointed spacing clamp, spacing clamp comprises spacing sleeve and the arc clamp that is connected, the filter plate with the inboard fixed cup joint of arc clamp.
Preferably, the outer sides of the support legs on two sides are fixedly sleeved with second support rods around the center of the substrate, the rotary part comprises a fluted disc fixedly connected with the second support rods, the top of the fluted disc is symmetrically provided with two groups of first teeth and a plurality of second teeth around the axis of the fluted disc, each group of the first teeth comprises two first teeth, the second teeth are distributed between the two first teeth on the same side in an arc-shaped discontinuous array manner, the outer side of the second connecting rod is provided with a first movable groove, the outer side of the first movable groove is provided with a second movable groove, the two sides of the second movable groove are fixedly connected with the same first support rod, the first support rod is provided with an inner concave section, the outer side of the first support rod is slidably sleeved with a limiting plate, one side of the limiting plate is fixedly connected with a second spring sleeved on the outer side of the first support rod, the one end of second spring with one side fixed connection in second movable groove, limiting sleeve's inboard fixed mounting has the fixed block, the fixed block is located first movable groove, the fixed block with the limiting plate is contradicted, the fixed cover in limiting sleeve's the outside has cup jointed the gear, the gear with first tooth with the meshing of second tooth.
Preferably, one side of filter plate is that the annular array slides and has cup jointed a plurality of movable blocks, and is a plurality of the one end of movable block is located the filter plate with between the filter cloth, the board mouth of advancing has been seted up to one side of filter box, advance the board mouth with filter plate looks adaptation, the equal fixed mounting in top and the bottom of board mouth of advancing has outside bellied guide ring, the second liquid outlet has been seted up to the bottom of filter box.
The invention discloses a treatment method of a waste liquid recovery treatment device for polyaluminium chloride production, which comprises the following steps:
s1, feeding the extra bauxite to be processed into a flushing device for flushing treatment to obtain pure bauxite and wastewater generated after flushing;
s2, enabling the generated wastewater to pass through a sedimentation tank through a conveying device, and settling the wastewater in the sedimentation tank;
s3, driving the liquid pumping part to pump the precipitated wastewater to a position between the filter plate and the filter pressing auxiliary part through the second driving part, and performing filter pressing on the wastewater through the filter pressing auxiliary part and the filter plate to obtain waste residues and purified water;
s4, the first driving part drives the clamping part to draw the filter plate to be cleaned out of the filter box, filter residues on the filter plate are dumped under the cooperation of the rotary part, the movable block is driven to move in the process of rotation of the filter plate, and the moving movable block knocks the filter cloth to remove the filter residues on the surface of the filter cloth, so that the filter cloth can be reused;
and S5, inserting the cleaned filter cloth into the filter box again under the driving of the first driving part and the clamping part, and matching with the filter pressing auxiliary part again to filter the waste liquid, so as to reciprocate.
In conclusion, the technical effects and advantages of the invention are as follows:
1. the filter plate is reasonable in structure, when the first limiting disc reciprocates each time, the first limiting disc intermittently abuts against the first limiting sleeve, the first limiting sleeve drives the first connecting rod to move, the pressing plates are driven by the plurality of first connecting rods to move, waste liquid falling onto the filter plate is extruded by the moving pressing plates, the filter plate is further assisted to filter the waste liquid, and the filtering effect of the waste liquid is improved;
2. according to the invention, the bottom of the pressure plate is always positioned at the top of the filter plate when the pressure plate is reset by the abutting of the stop block and the elastic force action of the first spring, so that when the first driving part drives the filter plate to move through the clamping part, the filter plate can scrape off viscous waste residues attached to the bottom of the pressure plate through the outer edge of the filter plate, accumulated filter residues are prevented from invading a working space between the pressure plate and the filter plate, and the working efficiency of the filter plate is further effectively ensured;
3. according to the invention, through the arrangement of the second driving part, the clamping part and the rotating part, filter residues fall through the opening of the filter plate under the action of gravity through impact generated by multiple times of rotation, so that the cleaning effect of the filter plate is ensured, through the arrangement of the movable block, the movable block continuously vibrates during rotation of the filter plate, the cleaning effect on the filter cloth during rotation of the filter plate is further improved, sticky waste residues attached to the filter cloth are avoided, the influence on the filtering work during cleaning of the filter plate is reduced, the treatment efficiency of waste liquid is improved, full-automatic filter residue removal can be carried out without manual intervention during cleaning, the filtering effect of the filtering device is ensured, the workload of workers is reduced, and the production efficiency of enterprises is improved.
4. According to the filter plate, after the filter plate which rotates is stabilized, the filter plate enters the filter box through the plate inlet under the continuous action of the first driving part, and is guided by the guide ring, so that the phenomenon that the outer side of the filter plate is abutted against the surface of the filter box to influence the matching of the filter plate and the filter box is avoided, the replacement stability of the filter plate is guaranteed, and the replacement efficiency of the filter plate is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic perspective view of a filtration apparatus;
FIG. 2 is a schematic perspective view of a filter device in partial section;
FIG. 3 is an enlarged perspective view of the invention at A in FIG. 2;
FIG. 4 is an enlarged perspective view of FIG. 2 at B according to the present invention;
FIG. 5 is a partially cut-away enlarged perspective view of the rotary member;
FIG. 6 is a schematic view of a partially cut-away enlarged structure of the spacing clip;
FIG. 7 is an enlarged view of the structure of FIG. 6 at C according to the present invention.
In the figure: 1. a substrate; 2. a supporting base; 3. a filter box; 4. a support frame; 5. a hydraulic cylinder; 6. a first limiting disc; 7. a slide bar; 8. a piston; 9. a cylinder body; 10. pipe passing; 11. a first connecting rod; 12. a first stop collar; 13. a second stop collar; 14. A first spring; 15. pressing a plate; 16. filtering the plate; 17. a first fixing sleeve; 18. a second connecting rod; 19. a first movable slot; 20. A second movable slot; 21. a first support bar; 22. a second spring; 23. a limiting plate; 24. a limiting clamp; 25. a fixed block; 26. A gear; 27. a second support bar; 28. a fluted disc; 29. a first tooth; 30. a second tooth; 31. a movable block; 32. and (5) filtering the cloth.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment is as follows: referring to fig. 1-7, a waste liquid recycling device and a waste liquid recycling method for polyaluminium chloride production are shown, which comprises a flushing device (not shown), a sedimentation tank (not shown), a conveying device (not shown), and a filtering device, wherein the filtering device comprises a first driving part, a second driving part, a clamping part, a rotating part, a liquid pumping part, a filter pressing auxiliary part, a base plate 1 and a plurality of filter plates 16, and filter cloth 32 is fixedly sleeved on the inner sides of the plurality of filter plates 16; the device comprises a washing device (not shown in the figure) used for washing bauxite and generating waste liquid, a conveying device (not shown in the figure) used for conveying waste water to a precipitation device (not shown in the figure), a clamping part used for clamping the filter plate 16, a first driving part used for driving the clamping part to rotate so as to replace the filter plate 16, a rotary part used for matching with the first driving part and the clamping part to drive the filter plate 16 to rotate for multiple times so as to remove filter residues on the surface of the filter cloth 32, a second driving part used for driving a pump liquid part to pump the waste liquid in the precipitation tank onto the filter cloth 32, and a second driving part used for driving a filter pressing auxiliary part through the pump liquid part to extrude the waste liquid on the filter cloth 32 so as to assist the filter cloth 32 to filter the waste liquid.
In this embodiment, two support seats 2 are fixedly mounted on the top of the substrate 1 with respect to the central symmetry of the substrate 1, a plurality of support legs are fixedly mounted on the bottoms of the two support seats 2 in an annular shape, a filter box 3 is fixedly sleeved on the inner sides of the two support seats 2, a support frame 4 is fixedly mounted on the top of the filter box 3, a plurality of stoppers are mounted on the inner side of the filter box 3 in an annular array, two filter plates 16 which are centrally symmetric with respect to the substrate 1 are positioned in the filter box 3, a second liquid outlet is formed in the bottom of the filter box 3, a certain gap is maintained between the support seats 2 and the substrate 1 by the support of the support legs, so as to collect purified water flowing out through the second liquid outlet, the second driving part comprises a hydraulic cylinder 5 fixedly mounted in the support frame 4, a first limiting disc 6 is fixedly mounted at the output end of the hydraulic cylinder 5, and the hydraulic cylinder 5 is supported by the support frame 4, facilitating the operation of the hydraulic cylinder 5.
In this embodiment, the liquid pumping component includes a slide rod 7 fixedly sleeved at the bottom of the first limiting plate 6, a cylinder 9 penetrating and extending into the filter box 3 is fixedly installed at the top of the filter box 3, the slide rod 7 penetrates and extends into the cylinder 9, a piston 8 is fixedly installed at the bottom end of the slide rod 7, the piston 8 is slidably sleeved with the inner side of the cylinder 9, a first liquid inlet is opened at the outer side of the cylinder 9, a first one-way valve is fixedly sleeved in the first liquid inlet, a liquid inlet pipe is fixedly sleeved in the liquid inlet of the first one-way valve, the liquid inlet of the liquid inlet pipe is communicated with a sedimentation tank (not shown in the figure), the liquid outlet of the first one-way valve is communicated with the first liquid inlet, a first liquid outlet is opened at the bottom of the cylinder 9, a through pipe 10 is slidably sleeved in the first liquid outlet, a second one-way valve is fixedly sleeved in the liquid inlet of the through pipe 10, the liquid inlet of the second one-way valve is communicated with the interior of the cylinder 9, the liquid outlet of the through pipe 10 penetrates and extends into the filter box 3, and the liquid outlet of the through pipe 10 is positioned at the top of the filter plate 16.
During operation, the hydraulic cylinder 5 drives the piston 8 to reciprocate in the cylinder body 9 through the first limiting disc 6 and the slide bar 7, under the action of the first one-way valve and the second one-way valve, waste liquid in the sedimentation tank is continuously pumped into the cylinder body 9 through the cylinder body 9 and is continuously pumped to the filter cloth 32 in the filter plate 16 through the through pipe 10, continuous feeding of the whole mechanism is realized through the arrangement, and the working efficiency of the whole mechanism is guaranteed.
In this embodiment, the filter-pressing auxiliary component includes a plurality of head rods 11 that slidingly cup joint with the top of the filter box 3, a plurality of head rods 11 are arranged in an annular array, a plurality of head rods 11 all slidingly cup joint with the same first spacing disc 6, the outside of a plurality of head rods 11 is all fixedly sleeved with a first spacing sleeve 12 and a second spacing sleeve 13, the bottom fixedly connected with of a second spacing sleeve 13 is sleeved with a first spring 14 outside of the head rod 11, one end of the first spring 14 is abutted against the top of the filter box 3, the bottom of a plurality of head rods 11 is all fixedly connected with the same pressing plate 15, the pressing plate 15 is fixedly sleeved with the through pipe 10, the bottom of the pressing plate 15 flushes with the bottom of the through pipe 10, the top of the pressing plate 15 is abutted against the stopper, and the bottom of the pressing plate 15 flushes with the top of the filter plate 16.
When the first limiting disc 6 reciprocates each time, the first limiting disc intermittently abuts against the first limiting sleeve 12, the first limiting sleeve 12 drives the first connecting rod 11 to move, the pressing plates 15 are driven by the plurality of first connecting rods 11 to move, waste liquid falling onto the filter plate 16 is extruded by the moving pressing plates 15, the filter plate 16 is further assisted to filter the waste liquid, and the filtering effect of the waste liquid is improved.
In this embodiment, first drive assembly includes fixed mounting at 1 top driving motor of base plate, driving motor's output fixed mounting has the reduction gear, hold assembly includes the fixed first fixed cover 17 that cup joints with the reduction gear output, the outside of first fixed cover 17 is the annular array and is provided with a plurality of second connecting rods 18, the outside of a plurality of second connecting rods 18 is rotated and is cup jointed spacing clamp 24, spacing clamp 24 comprises spacing sleeve and the arc clamp that is connected, filter plate 16 is cup jointed with the inboard fixed of arc clamp.
The bottom of the pressure plate 15 is always positioned at the top of the filter plate 16 when the pressure plate 15 is reset by the interference of the stop blocks and the elastic force of the first spring 14, so that when the first driving part drives the filter plate 16 to move through the clamping part, the filter plate 16 can scrape off viscous waste residues attached to the bottom of the pressure plate 15 through the outer edge of the filter plate, accumulated filter residues are prevented from invading a working space between the pressure plate 15 and the filter plate 16, and the working efficiency of the invention is further effectively ensured.
In this embodiment, the outer sides of the support legs on both sides are fixedly sleeved with a second support rod 27 about the center of the substrate 1, the rotation part includes a fluted disc 28 fixedly connected with the second support rods 27, the top of the fluted disc 28 is symmetrically provided with two sets of first teeth 29 and a plurality of second teeth 30 about the axis of the fluted disc 28, each set of first teeth 29 includes two first teeth 29, the plurality of second teeth 30 are arranged between the two first teeth 29 on the same side in an arc-shaped discontinuous array, the outer side of the second connecting rod 18 is provided with a first movable groove 19, the outer side of the first movable groove 19 is provided with a second movable groove 20, both sides of the second movable groove 20 are fixedly connected with the same first support rod 21, the first support rod 21 is provided with a segment, the outer side of the first support rod 21 is slidably sleeved with a limit plate 23, one side of the limit plate 23 is fixedly connected with a second spring 22 sleeved on the outer side of the first support rod 21, one end of the second spring 22 is fixedly connected with one side of the second movable groove 20, a fixed block 25 is fixedly mounted on the inner side of the limiting sleeve, the fixed block 25 is located in the first movable groove 19, the fixed block 25 abuts against a limiting plate 23, the abutting relation only occurs in the rotation process of the filter plate 16, a gear 26 is fixedly sleeved on the outer side of the limiting sleeve, the gear 26 is meshed with a first tooth 29 and a second tooth 30, the meshing relation only occurs in the rotation process of the filter plate 16, a plurality of movable blocks 31 are slidably sleeved on one side of the filter plate 16 in an annular array mode, filter cloth 32 is fixedly sleeved on the inner side of the filter plate 16, one end of the plurality of filter cloth 32 is located between the filter plate 16 and the filter cloth 32, the center of the filter plate 16 is located below the axis of the second connecting rod 18 all the time through the arrangement of the movable blocks 31, and the stability of the filter plate 16 in moving is guaranteed.
When the filter cloth 32 needs to be cleaned, the working frequency of the second driving part is reduced, when the liquid pumping part pumps liquid from a sedimentation tank (not shown in the figure), the first driving part is started, the first driving part drives the filter plate 16 to rotate through the clamping part, when the gear 26 is meshed with the first teeth 29 for the first time, the gear 26 drives the limiting clamp 24 to rotate and enables an opening of the filter plate 16 to face downwards, filter residues in the filter plate 16 are poured out to finish the primary cleaning of the filter plate 16, at the moment, the fixed block 25 is abutted against the limiting plate 23 and extrudes the second spring 22 through the limiting plate 23, after the gear 26 moves to be disengaged with the first teeth 29, the limiting plate 23 is influenced by the elastic force of the second spring 22 to enable the fixed block 25 to drive the limiting clamp 24 to rotate, the cleaning effect of the filter residues in the filter plate 16 is further improved through the impact generated by the rotating action, and meanwhile, the rotating action can drive the movable blocks 31 to move, the moving movable block 31 can knock the filter cloth 32, the cleaning effect of the filter cloth 32 is further improved through the action, the surface adhesion and the accumulation of filter residues on the filter cloth 32 are avoided, the normal use of the filter cloth 32 is ensured, the filter cloth can be intermittently meshed with the plurality of second teeth 30 along with the continuous movement of the gear 26, the gear 26 can be enabled to pass through the fixing block 25 under the action of the first supporting rod 21, the second spring 22 and the limiting plate 23 to enable the limiting clamp 24 to drive the filter plate 16 and the filter cloth 32 to continuously reciprocate, the cleaning effect of the filter plate 16 and the filter cloth 32 is further improved, when the gear 26 moves to be meshed with the second first teeth 29 on the same side, the fixing block 25 can continuously extrude the limiting plate 23 until the limiting plate 23 moves to the concave section on the first supporting rod 21, at the moment, the limiting plate 23 is separated from the abutting relation with the fixing block 25 and is reset under the action of the second spring 22, the filter plate 16 keeps the opening upwards under the action of gravity of meshing effect and movable block 31, so that the gear 26 cooperates with the other side filter box 3, when the filter plate 16 and the other side filter box 3 finish the cooperation, resume the operating frequency of second drive unit, accessible pump liquid part continues to the waste liquid pump to filter cloth 32 this moment, make filter plate 16 and filter cloth 32 need not artificial intervention when clean to carry out full-automatic filter residue and clear away through this structural design, filter equipment's filter effect has been ensured, staff's work load has been reduced, the production efficiency of enterprise has been improved.
It should be noted that when two of the filter plates 16, which are symmetrical with respect to the center of the base plate 1, move between the two second teeth 30 on the same side, and the other two cleaned filter plates 16 have entered the filter box 3, the idle time of the filter device is reduced by this design, and the cleaning time of the filter plates 16 is increased, which further improves the cleaning efficiency of the filter plates 16.
In this embodiment, the board inlet has been seted up to one side of filter box 3, board inlet and filter plate 16 looks adaptation, the equal fixed mounting in top and the bottom of board inlet has outside bellied guide ring, filter plate 16 through rotary motion stabilizes the back, under first drive disk assembly's continuation effect, in getting into filter box 3 through the board inlet, guide filter plate 16 through the guide ring, avoid the outside of filter plate 16 and filter box 3's surface to take place to contradict, and then influence the cooperation of filter plate 16 and filter box 3, filter plate 16's change stability has been ensured, the change efficiency of filter plate 16 has been improved.
The invention discloses a treatment method of a waste liquid recovery treatment device for polyaluminium chloride production, which comprises the following steps:
s1, feeding the extra bauxite to be processed into a flushing device for flushing treatment to obtain pure bauxite and wastewater generated after flushing;
s2, enabling the generated wastewater to pass through a sedimentation tank through a conveying device, and settling the wastewater in the sedimentation tank;
s3, driving a liquid pumping part to pump the precipitated wastewater to a position between the filter plate 16 and a filter pressing auxiliary part through a second driving part, and performing filter pressing on the wastewater through the filter pressing auxiliary part and the filter plate 16 to obtain waste residues and purified water;
s4, the first driving part drives the clamping part to draw the filter plate 16 to be cleaned out of the filter box 3, filter residues on the filter plate 16 are poured under the cooperation of the rotary part, the movable block 31 is driven to move in the rotary process of the filter plate 16, and the moving movable block 31 can knock the filter cloth 32 to remove the filter residues on the surface of the filter cloth 32, so that the filter cloth 32 can be reused;
s5, the cleaned filter cloth 32 is driven by the first driving member and the clamping member to be inserted into the filter box 3 again, and is again matched with the filter pressing auxiliary member to filter the waste liquid, so as to reciprocate.
The working principle of the invention is as follows:
when the device works, the hydraulic cylinder 5 drives the piston 8 to reciprocate in the cylinder body 9 through the first limiting disc 6 and the sliding rod 7, under the action of the first one-way valve and the second one-way valve, waste liquid in the sedimentation tank is continuously pumped into the cylinder body 9 through the cylinder body 9 and is pumped onto the filter cloth 32 in the filter plate 16 through the through pipe 10, continuous feeding of the whole mechanism is realized through the device, and the working efficiency of the whole mechanism is guaranteed;
when the first limiting disc 6 reciprocates each time, the first limiting disc intermittently abuts against the first limiting sleeve 12, the first limiting sleeve 12 drives the first connecting rod 11 to move, the pressing plate 15 is driven by the plurality of first connecting rods 11 to move, waste liquid falling onto the filter plate 16 is extruded by the moving pressing plate 15, the filter plate 16 is further assisted to filter the waste liquid, and the filtering effect of the waste liquid is improved;
when the pressure plate 15 is reset by the abutting of the stoppers and the elastic force action of the first spring 14, the bottom of the pressure plate 15 is always positioned at the top of the filter plate 16, so that when the first driving part drives the filter plate 16 to move through the clamping part, the filter plate 16 can scrape off viscous waste residues attached to the bottom of the pressure plate 15 through the outer edge of the filter plate, accumulated filter residues are prevented from occupying a working space between the pressure plate 15 and the filter plate 16, and the working efficiency of the filter plate is effectively guaranteed;
when the filter cloth 32 needs to be cleaned, the working frequency of the second driving part is reduced, when the liquid pumping part pumps liquid from a sedimentation tank (not shown in the figure), the first driving part is started, the first driving part drives the filter plate 16 to rotate through the clamping part, when the gear 26 is meshed with the first teeth 29 for the first time, the gear 26 drives the limiting clamp 24 to rotate and enables an opening of the filter plate 16 to face downwards, filter residues in the filter plate 16 are poured out to finish the primary cleaning of the filter plate 16, at the moment, the fixed block 25 is abutted against the limiting plate 23 and extrudes the second spring 22 through the limiting plate 23, after the gear 26 moves to be disengaged with the first teeth 29, the limiting plate 23 is influenced by the elastic force of the second spring 22 to enable the fixed block 25 to drive the limiting clamp 24 to rotate, the cleaning effect of the filter residues in the filter plate 16 is further improved through the impact generated by the rotating action, and meanwhile, the rotating action can drive the movable blocks 31 to move, the moving movable block 31 can beat the filter cloth 32, the cleaning effect of the filter cloth 32 is further improved through the action, the surface of the filter cloth 32 is prevented from being adhered and filter residues are prevented from being accumulated, the normal use of the filter cloth 32 is ensured, the filter cloth 26 can be intermittently meshed with the plurality of second teeth 30 along with the continuous movement of the gear 26, the gear 26 can enable the limiting clamp 24 to drive the filter plate 16 and the filter cloth 32 to continuously and repeatedly move under the action of the first supporting rod 21, the second spring 22 and the limiting plate 23 through the fixed block 25 through the meshing movement, the cleaning effect of the filter plate 16 and the filter cloth 32 is improved again, when the gear 26 moves to be meshed with the second first teeth 29 on the same side through the fixed block 25, the fixed block 25 can continuously extrude the limiting plate 23 until the limiting plate 23 moves to the concave section on the first supporting rod 21, at the moment, the limiting plate 23 is separated from the abutting relation with the fixed block 25 and is reset under the action of the second spring 22, the filter plate 16 keeps the opening upward under the action of meshing and the gravity of the movable block 31 so that the gear 26 is matched with the filter box 3 on the other side, when the filter plate 16 is matched with the filter box 3 on the other side, the working frequency of the second driving part is recovered, the waste liquid can be continuously pumped onto the filter cloth 32 through the liquid pumping part, and the filter plate 16 and the filter cloth 32 can be fully automatically cleaned of filter residues without manual intervention during cleaning through the structural design, so that the filtering effect of the filtering device is ensured, the working load of workers is reduced, and the production efficiency of enterprises is improved;
it should be noted that, when two of the filter plates 16 which are symmetrical with respect to the center of the base plate 1 move to between the two second teeth 30 on the same side, the other two cleaned filter plates 16 enter the filter box 3, the idle time of the filter device is reduced by the design, the cleaning time of the filter plates 16 is increased, and the cleaning efficiency of the filter plates 16 is further improved;
after the filter plate 16 which rotates is stable, the filter plate 16 enters the filter box 3 through the plate inlet under the continuous action of the first driving part, and the filter plate 16 is guided by the guide ring, so that the interference between the outer side of the filter plate 16 and the surface of the filter box 3 is avoided, the matching between the filter plate 16 and the filter box 3 is further influenced, the replacement stability of the filter plate 16 is ensured, and the replacement efficiency of the filter plate 16 is improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still make modifications to the technical solutions described in the foregoing embodiments, or make equivalent substitutions and improvements to part of the technical features of the foregoing embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a waste liquid recovery processing apparatus is used in polyaluminium chloride production, includes washing unit, sedimentation tank, conveyor and filter equipment, its characterized in that: the filter device comprises a first driving part, a second driving part, a clamping part, a rotary part, a liquid pumping part, a filter pressing auxiliary part, a base plate (1) and a plurality of filter plates (16), wherein filter cloth (32) is fixedly sleeved on the inner sides of the plurality of filter plates (16);
the washing unit is used for washing bauxite and produces the waste liquid, conveyor is used for carrying waste water to the sediment device, hold assembly is used for centre gripping filter plate (16), first driver part is used for driving the hold assembly rotates in order to change filter plate (16), the gyration part is used for the cooperation first driver part and hold assembly drive filter plate (16) gyration many times and then get rid of the filter residue on filter cloth (32) surface, the second driver part is used for driving the waste liquid pump to filter cloth (32) in pump liquid part will sedimentation tank, the second driver part drives the waste liquid on the filter cloth (32) of filter-pressing auxiliary component extrusion through pump liquid part and then auxiliary filter cloth (32) filters the waste liquid.
2. The apparatus for recovering and treating the waste liquid from the production of polyaluminium chloride as claimed in claim 1, wherein: the top of base plate (1) is about the central symmetry fixed mounting of base plate (1) has two supporting seats (2), two the bottom of supporting seat (2) all is annular fixed mounting and has a plurality of supporting legs, two the inboard of supporting seat (2) has all fixedly cup jointed filter box (3), the top fixed mounting of filter box (3) has support frame (4), the inboard of filter box (3) is annular array and installs a plurality of dogs, about wherein two of base plate (1) central symmetry filter plate (16) all are located in filter box (3).
3. The device for recovering and treating the waste liquid for the production of the polyaluminum chloride according to claim 2, characterized in that: the second driving part comprises a hydraulic cylinder (5) which is fixedly installed and sleeved in the supporting frame (4), and a first limiting disc (6) is fixedly installed at the output end of the hydraulic cylinder (5).
4. The apparatus for recovering and treating the waste liquid from the production of polyaluminium chloride as claimed in claim 3, wherein: the pump liquid part is including fixed cup joint slide bar (7) of first spacing dish (6) bottom, the top fixed mounting of filter box (3) runs through and extends to cylinder body (9) in filter box (3), slide bar (7) run through and extend to in cylinder body (9), the bottom fixed mounting of slide bar (7) has piston (8), piston (8) with the inboard slip of cylinder body (9) cup joints, first inlet has been seted up in the outside of cylinder body (9), first inlet internal fixation has cup jointed first check valve, the inlet internal fixation of first check valve has cup jointed the feed liquor pipe, the inlet of feed liquor pipe with the sedimentation tank communicates with each other, the liquid outlet of first check valve with first inlet communicates with each other, first check valve has been seted up to the bottom of cylinder body (9), it has cup jointed siphunculus (10) to slide in the first liquid outlet, the second check valve has been cup jointed to the liquid inlet internal fixation of siphunculus (10), the inlet of second check valve with the inside of cylinder body (9) communicates with each other, the liquid outlet of siphunculus (10) runs through and extends to in filter box (3), the liquid outlet of siphunculus (10) is located the top of filter plate (16).
5. The apparatus for recovering and treating the waste liquid from the production of polyaluminium chloride as claimed in claim 4, wherein: the filter-pressing auxiliary component comprises a plurality of first connecting rods (11) which are slidably sleeved with the top of the filter box (3), the first connecting rods (11) are arranged in an annular array mode, the first connecting rods (11) are slidably sleeved with the same first limiting disc (6), the outer sides of the first connecting rods (11) are fixedly sleeved with first limiting sleeves (12) and second limiting sleeves (13), the bottom of each second limiting sleeve (13) is fixedly connected with a first spring (14) which is sleeved on the outer side of each first connecting rod (11), one end of each first spring (14) is abutted to the top of the filter box (3), the bottoms of the first connecting rods (11) are fixedly connected with the same pressing plate (15), the pressing plates (15) are fixedly sleeved with the through pipes (10), and the bottoms of the pressing plates (15) are flush with the bottom ends of the through pipes (10), the top of the pressure plate (15) is abutted against the stop block, and the bottom of the pressure plate (15) is flush with the top of the filter plate (16).
6. The apparatus for recovering and treating the waste liquid from the production of polyaluminium chloride as claimed in claim 2, wherein: the first driving part comprises a driving motor fixedly mounted at the top of the substrate (1), and a speed reducer is fixedly mounted at the output end of the driving motor.
7. The device for recovering and treating the waste liquid for the production of the polyaluminum chloride according to claim 6, characterized in that: the clamping part include with fixed first fixed cover (17) that cup joints of reduction gear output, the outside of first fixed cover (17) is that the annular array is provided with a plurality of second connecting rods (18), and is a plurality of the outside of second connecting rod (18) is rotated and is cup jointed spacing clamp (24), spacing clamp (24) are pressed from both sides by the spacing sleeve and the arc that are connected and are constituteed, filter plate (16) with the inboard fixed cup joint of arc clamp.
8. The device for recovering and treating the waste liquid for the production of the polyaluminum chloride according to claim 7, characterized in that: the outer sides of the supporting legs on two sides are fixedly sleeved with second supporting rods (27) about the center of the base plate (1), the rotary part comprises a plurality of fluted discs (28) fixedly connected with the second supporting rods (27), the top of each fluted disc (28) is symmetrically provided with two groups of first teeth (29) and a plurality of second teeth (30) about the axis of the fluted disc (28), each group of the first teeth (29) comprises two first teeth (29), the second teeth (30) are arranged between the two first teeth (29) on the same side in an arc-shaped discontinuous array mode, the outer side of the second connecting rod (18) is provided with a first movable groove (19), the outer side of the first movable groove (19) is provided with a second movable groove (20), the two sides of the second movable groove (20) are fixedly connected with the same first supporting rod (21), be provided with interior concave section on first bracing piece (21), limiting plate (23) have been cup jointed in the outside slip of first bracing piece (21), one side fixedly connected with cover of limiting plate (23) is established second spring (22) in first bracing piece (21) outside, the one end of second spring (22) with one side fixed connection of second movable groove (20), spacing telescopic inboard fixed mounting has fixed block (25), fixed block (25) are located in first movable groove (19), fixed block (25) with limiting plate (23) are contradicted, gear (26) have been cup jointed to spacing telescopic outside is fixed, gear (26) with first tooth (29) with second tooth (30) meshing.
9. The apparatus for recovering and treating the waste liquid from the production of polyaluminium chloride as claimed in claim 2, wherein: one side of filter plate (16) is that the annular array slides and has cup jointed a plurality of movable block (31), and is a plurality of the one end of movable block (31) is located filter plate (16) with between filter cloth (32), the board mouth of advancing has been seted up to one side of filter box (3), advance the board mouth with filter plate (16) looks adaptation, the equal fixed mounting in top and the bottom of board mouth of advancing has outside bellied guide ring, the second liquid outlet has been seted up to the bottom of filter box (3).
10. A treatment method using the apparatus for recovering and treating a waste liquid from the production of polyaluminum chloride according to any one of claims 1 to 9, characterized in that: the method comprises the following steps:
s1, feeding the extra bauxite to be processed into a flushing device for flushing treatment to obtain pure bauxite and wastewater generated after flushing;
s2, enabling the generated wastewater to pass through a sedimentation tank through a conveying device, and settling the wastewater in the sedimentation tank;
s3, driving a liquid pumping part to pump the precipitated wastewater to a position between a filter plate (16) and a filter pressing auxiliary part through a second driving part, and carrying out filter pressing on the wastewater through the filter pressing auxiliary part and the filter plate (16) to obtain waste residues and purified water;
s4, the clamping component is driven by the first driving component to draw the filter plate (16) to be cleaned out of the filter box (3), filter residues on the filter plate (16) are dumped under the cooperation of the rotary component, the movable block (31) is driven to move in the rotary process of the filter plate (16), the moving movable block (31) can knock the filter cloth (32) to remove the filter residues on the surface of the filter cloth (32), and the filter cloth (32) can be reused;
s5, the cleaned filter cloth (32) is inserted into the filter box (3) again under the drive of the first driving part and the clamping part, and is matched with the filter pressing auxiliary part again to filter the waste liquid, so that the waste liquid is filtered to reciprocate.
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| CN117959799A (en) * | 2024-01-30 | 2024-05-03 | 黄鹄(浙江)精密机床有限公司 | A kind of anti-blocking wastewater circulation filtration equipment for CNC machine tools |
| CN118681308A (en) * | 2024-08-26 | 2024-09-24 | 四川华电珙县发电有限公司 | A kind of testing sampling device for heating water treatment in thermal power plant |
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| Publication number | Publication date |
|---|---|
| CN114682000B (en) | 2023-10-20 |
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