CN112723584A - Zero-discharge treatment method and treatment equipment for wastewater generated in lead storage battery production process - Google Patents
Zero-discharge treatment method and treatment equipment for wastewater generated in lead storage battery production process Download PDFInfo
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- CN112723584A CN112723584A CN202011320868.1A CN202011320868A CN112723584A CN 112723584 A CN112723584 A CN 112723584A CN 202011320868 A CN202011320868 A CN 202011320868A CN 112723584 A CN112723584 A CN 112723584A
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- 239000002351 wastewater Substances 0.000 title claims abstract description 37
- 238000003860 storage Methods 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 16
- 208000028659 discharge Diseases 0.000 title claims description 16
- 238000004062 sedimentation Methods 0.000 claims abstract description 43
- 238000003756 stirring Methods 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000010865 sewage Substances 0.000 claims abstract description 18
- 238000001914 filtration Methods 0.000 claims abstract description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 17
- 238000005192 partition Methods 0.000 claims description 12
- 239000003814 drug Substances 0.000 claims description 11
- 239000013049 sediment Substances 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 9
- 238000001179 sorption measurement Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 238000005189 flocculation Methods 0.000 claims description 4
- 239000008187 granular material Substances 0.000 claims description 3
- 239000002244 precipitate Substances 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000016615 flocculation Effects 0.000 claims description 2
- 239000012535 impurity Substances 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 claims description 2
- 238000010992 reflux Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims 1
- 238000004065 wastewater treatment Methods 0.000 abstract description 7
- 239000000126 substance Substances 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 abstract description 2
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 230000003311 flocculating effect Effects 0.000 abstract description 2
- 230000001376 precipitating effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 2
- 206010027439 Metal poisoning Diseases 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 208000010501 heavy metal poisoning Diseases 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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- 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
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- 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
- C02F2001/007—Processes including a sedimentation step
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention relates to the technical field of sewage treatment, and particularly discloses a zero-emission treatment device for wastewater generated in the production process of lead storage batteries, which comprises a sedimentation tank, a dosing tank and a filter box, wherein the sedimentation tank is an open square tank and is provided with a sedimentation tank; one end of the sedimentation tank is provided with a first sewage discharge port, and the other end of the sedimentation tank is communicated with the dosing tank through a pipeline; a dosing cavity is arranged in the dosing tank, the bottom of the dosing tank is provided with an installation seat, a dosing pipe is arranged above the side surface of the dosing tank, and a second sewage outlet is arranged below the side surface of the dosing tank; the filter box is communicated with the dosing box, and a water outlet is formed in the tail end of the filter box; a stirring shaft and a filter plate are arranged in the dosing box, and the filter plate is arranged below the stirring shaft; the wastewater treatment equipment provided by the invention is used for precipitating, adding chemicals, flocculating and filtering wastewater generated in the lead storage battery processing process, cleaning the wastewater through multiple processes, ensuring the wastewater treatment result, achieving the discharge index, avoiding environmental pollution, and protecting the environment.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a zero-emission treatment method and treatment equipment for wastewater generated in the production process of lead storage batteries.
Background
A device for converting chemical energy into electrical energy is called a chemical battery, generally referred to as a battery for short, and after discharge, can regenerate internal active materials by charging, store electrical energy as chemical energy, and convert chemical energy into electrical energy again when discharge is required.
At present, lead storage batteries are widely applied, but lead in the lead storage battery wastewater harms our lives, causes heavy metal poisoning and pollutes the environment; the existing wastewater treatment equipment has the problems of poor treatment effect, incomplete treatment, repeated treatment, complex process and low treatment efficiency.
Disclosure of Invention
The invention aims to provide wastewater zero-discharge treatment equipment produced in the production process of lead storage batteries, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the zero-emission wastewater treatment equipment produced in the production process of the lead storage battery comprises a sedimentation tank, a dosing tank and a filter box, wherein the sedimentation tank is an open square tank and is internally provided with a sedimentation tank; one end of the sedimentation tank is provided with a first sewage outlet, and the other end of the sedimentation tank is communicated with the dosing tank through a pipeline; a dosing cavity is arranged in the dosing tank, the bottom of the dosing tank is provided with an installation seat, a dosing pipe is arranged above the side surface of the dosing tank, and a second sewage outlet is arranged below the side surface of the dosing tank; the filter box is communicated with the dosing box, and a water outlet is formed in the tail end of the filter box; the dosing box is provided with a stirring shaft and a filter plate, and the filter plate is arranged below the stirring shaft.
Preferably, the bottom of the sedimentation tank is obliquely provided with a material guide surface, and the inclination angle of the material guide surface is 15-20 degrees; the bottom end of the material guide surface is arranged at the first sewage draining port, the top end of the material guide surface is provided with a water collecting tank, and a movable fence plate is arranged above the water collecting tank.
Preferably, a plurality of strip-shaped water permeable holes are uniformly formed in the surface of the fence plate, and connecting blocks are symmetrically arranged on the side surface of the fence plate; the wall of the sedimentation tank is correspondingly provided with a sliding chute, and the connecting block is arranged in the sliding chute; a screw rod is arranged in the sliding groove and penetrates through a screw hole in the connecting block in a matching manner; the screw rod is driven by a motor, and the motor is connected with a controller.
Preferably, a support plate is arranged at the notch of the water collecting tank and is connected with the end part of the fence plate; a reinforcing rod is obliquely arranged below the supporting plate.
Preferably, the stirring shaft is transversely arranged, two ends of the stirring shaft are fixed with the wall of the dosing cavity through a rotary table, the rotary table is driven by a motor, and the motor is connected with a controller.
Preferably, the stirring part is arranged on the side face of the stirring shaft, the stirring part is of an annular structure, the end part of the stirring part is of an arc structure, the two ends of the arc structure are connected with inclined supports, and a plurality of groups of stirring parts are symmetrically arranged.
Preferably, a plurality of filter holes are formed in the surface of the filter plate, and the filter holes are of an inverted frustum structure; the bottom of the dosing cavity is provided with a guide surface which is of an arc-shaped structure.
Preferably, the interior of the filter box is hollow and is provided with a filter cavity; the filter cavity is internally provided with partition plates which are arranged in the filter cavity in a vertically staggered manner; the filter cavity is filled with active carbon particles, and the active carbon adsorption particles are arranged on the top end of the lower side partition plate in a submerged mode.
Preferably, a water suction pump is arranged between the sedimentation tank and the dosing tank and electrically connected with the controller.
Compared with the prior art, the invention has the beneficial effects that: the wastewater treatment equipment provided by the invention is used for precipitating, adding chemicals, flocculating and filtering wastewater generated in the lead storage battery processing process, cleaning the wastewater through multiple processes, ensuring the wastewater treatment result, achieving the discharge index, avoiding environmental pollution and being environment-friendly and healthy.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the dosing box of the present invention;
FIG. 3 is a schematic view of the structure of the filtration tank of the present invention;
FIG. 4 is a schematic diagram of a fence panel structure of the present invention;
reference numbers in the figures: 1. a sedimentation tank; 11. a settling tank; 12. a material guiding surface; 13. a water collection tank; 14. a first drain port; 15. a support plate; 16. a chute; 17. a screw rod; 2. a dosing box; 21. a medicine adding cavity; 22. a mounting seat; 23. a medicine feeding pipe; 24. a second sewage draining outlet; 25. a guide surface; 3. a filter box; 31. a filter chamber; 32. a partition plate; 33. activated carbon particles; 34. a water outlet; 4. a fence panel; 41. water permeable holes; 42. connecting blocks; 43. a silk hole; 5. a water pump; 6. a stirring shaft; 61. a stirring member; 62. a turntable; 7. a filter plate; 71. and (5) filtering holes.
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.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements can be directly connected or indirectly connected through an intermediate medium, and the two elements can be communicated with each other. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
Referring to fig. 1-4, the present invention provides a technical solution: the zero-emission wastewater treatment equipment produced in the production process of the lead storage battery comprises a sedimentation tank 1, a dosing tank 2 and a filter tank 3, wherein the sedimentation tank 1 is an open square tank, and a sedimentation tank 11 is arranged in the sedimentation tank 1; one end of the sedimentation tank 1 is provided with a first sewage discharge port 14, and the other end of the sedimentation tank is communicated with the dosing tank 2 through a pipeline; a dosing cavity 21 is arranged in the dosing box 2, an installation seat 22 is arranged at the bottom of the dosing box, a dosing pipe 23 is arranged above the side surface of the dosing box, and a second sewage outlet 24 is arranged below the side surface of the dosing box; the filter box 3 is communicated with the dosing box 2, and a water outlet 34 is formed in the tail end of the filter box 3; the dosing tank 2 is provided with a stirring shaft 6 and a filter plate 7, and the filter plate 7 is arranged below the stirring shaft 6.
Further, a material guide surface 12 is obliquely arranged at the bottom of the sedimentation tank 1, and the inclination angle of the material guide surface 12 is 15-20 degrees; the bottom end of the material guiding surface 12 is arranged at a first sewage draining port 14, the top end of the material guiding surface 12 is provided with a water collecting tank 13, and a movable fence plate 4 is arranged above the water collecting tank 13.
Furthermore, a plurality of strip-shaped water permeable holes 41 are uniformly formed in the surface of the fence plate 4, and connecting blocks 42 are symmetrically arranged on the side surface of the fence plate 4; the wall of the sedimentation tank 1 is correspondingly provided with a sliding chute 16, and the connecting block 42 is arranged in the sliding chute 16; a screw rod 17 is arranged in the sliding groove 16, and the screw rod 17 is matched and penetrates through a screw hole 43 on the connecting block 42; the screw rod 17 is driven by a motor, and the motor is connected with a controller.
Furthermore, a support plate 15 is arranged at the notch position of the water collecting tank 13, and the support plate 15 is connected with the end part of the fence plate 4; a reinforcing bar is obliquely provided below the support plate 15.
Further, the stirring shaft 6 is transversely arranged, two ends of the stirring shaft 6 are fixed with the cavity wall of the dosing cavity 21 through a rotary disc 62, the rotary disc 62 is driven by a motor, and the motor is connected with a controller.
Further, stirring piece 61 is arranged on the side face of stirring shaft 6, stirring piece 61 is of an annular structure, the end part of stirring piece is of an arc structure, the two ends of the arc structure are connected with inclined supports, and multiple groups of stirring pieces 61 are symmetrically arranged.
Furthermore, a plurality of filter holes 71 are formed in the surface of the filter plate 7, and the filter holes 71 are of an inverted frustum structure; the bottom of the dosing cavity 21 is provided with a guide surface 25, and the guide surface 25 is of an arc-shaped structure.
Further, the interior of the filter box 3 is hollow, and a filter cavity 31 is arranged; the filter cavity 31 is internally provided with partition plates 32, and the partition plates 32 are staggered up and down in the filter cavity 31; the filter chamber 31 is filled with activated carbon granules 33, and the activated carbon adsorption granules 33 are arranged on the top end of the lower partition plate 32.
Further, be provided with suction pump 5 between sedimentation tank 1 and the dosing tank 2, suction pump 5 and controller electric connection.
A zero discharge treatment method for wastewater generated in the production process of lead storage batteries comprises the following steps: in the actual use process, the wastewater is directly added into the sedimentation tank 1 and is precipitated in the sedimentation tank 11; solid impurities are deposited at the bottom of the sedimentation tank 1, fall on the inclined material guide surface 12 and can slide down along the material guide surface 12 so as to be discharged from the first sewage discharge port 14; the water outlet end of the sedimentation tank 1 is arranged at the position of the water collecting tank 13, the movable fence plate 4 is arranged above the water collecting tank 13, and the fence plate 4 seals the water collecting tank 13 in a normal state to play a role of filtering and prevent sediment from falling into the tank; the wastewater is sent into the dosing tank 2 by a water pump 5 through a pipeline. Adding a liquid medicine into the wastewater in the medicine adding cavity 21 through a medicine adding pipe 23 to flocculate and precipitate the wastewater; the motor connected with the turntable 62 is controlled by the controller to drive the stirring shaft 6 to stir the wastewater, so as to accelerate the flocculation process. The sediment is sunk below the filter plate 7 through the filter holes 71, the filter holes 71 in the shape of a truncated cone are rounded, the lower part is small, and the upper part is large, so that the reflux of the flocculent sediment is avoided. Finally, discharging the flocculated precipitate from a second sewage outlet 24, and enabling the flocculated wastewater to enter the filter tank 3 through a pipeline; the wastewater is further purified by the filtration of the activated carbon particles 33 in the filter chamber 31 and then discharged from the water discharge port 34, thereby completing the treatment process.
The motor connected with the lead screw 17 is controlled by the controller to drive the lead screw to be matched with the screw hole 43 of the connecting block 42, so that the lead screw moves up and down along the sliding groove 16, the fence plate 4 is driven to move, the water collecting tank 13 can be opened to clean the lead screw, and the fence plate 4 can be moved to the top end to clean the fence plate 4. The arrangement of the supporting plate 15 provides support for the fence plate 4 in the using process, so that the single-side bearing is reduced, and the service life is prolonged; the inclined support rods serve to increase the strength of the support plate 15.
The bottom of the dosing cavity 21 is provided with an arc-shaped guide surface 25, so that flocculation and sedimentation can fall to the cavity bottom conveniently; the stirring member 61 is provided in a ring-shaped configuration with an arc-shaped end, and is connected to the inclined bracket so as to be mounted on the stirring shaft 6; the arrangement mode can ensure that the liquid medicine is stirred, avoid the adhesion with the flocculated sediment and ensure the sediment to fall down fully. The partition plates 32 are arranged in the filter cavity 31 in a vertically staggered manner to form a roundabout filter channel, so that the path of water flow passing through the filter cavity 31 is increased, and the filter effect is increased; the activated carbon adsorption particles 33 are arranged on the top end of the lower side partition plate 32 in a submerged mode, so that the wastewater can flow through the activated carbon adsorption particles 33 all the time, and the filtering effect is guaranteed.
It is worth noting that: the whole device realizes control over the device through the master control button, and the device matched with the control button is common equipment, belongs to the existing mature technology, and is not repeated for the electrical connection relation and the specific circuit structure.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. Waste water zero release treatment facility that produces in the lead accumulator production process, its characterized in that: the device comprises a sedimentation tank (1), a dosing tank (2) and a filter box (3), wherein the sedimentation tank (1) is an open square tank, and a sedimentation tank (11) is arranged in the sedimentation tank (1); one end of the sedimentation tank (1) is provided with a first sewage discharge port (14), and the other end of the sedimentation tank is communicated with the dosing tank (2) through a pipeline; a dosing cavity (21) is arranged in the dosing box (2), the bottom of the dosing box is provided with a mounting seat (22), a dosing pipe (23) is arranged above the side surface of the dosing box, and a second sewage outlet (24) is arranged below the side surface of the dosing box; the filter box (3) is communicated with the dosing box (2), and a water outlet (34) is formed in the tail end of the filter box (3); a stirring shaft (6) and a filter plate (7) are arranged in the dosing tank (2), and the filter plate (7) is arranged below the stirring shaft (6).
2. The wastewater zero-discharge treatment equipment produced in the lead storage battery production process according to claim 1, characterized in that: the bottom of the sedimentation tank (1) is obliquely provided with a material guide surface (12), and the inclination angle of the material guide surface (12) is 15-20 degrees; the bottom end of the material guiding surface (12) is arranged at a first sewage discharge port (14), the top end of the material guiding surface (12) is provided with a water collecting tank (13), and a movable fence plate (4) is arranged above the water collecting tank (13).
3. The wastewater zero-discharge treatment equipment produced in the lead storage battery production process according to claim 2, characterized in that: a plurality of strip-shaped water permeable holes (41) are uniformly formed in the surface of the fence plate (4), and connecting blocks (42) are symmetrically arranged on the side surface of the fence plate (4); the wall of the sedimentation tank (1) is correspondingly provided with a sliding chute (16), and the connecting block (42) is arranged in the sliding chute (16); a screw rod (17) is arranged in the sliding groove (16), and the screw rod (17) is matched with and penetrates through a screw hole (43) in the connecting block (42); the screw rod (17) is driven by a motor, and the motor is connected with a controller.
4. The wastewater zero-discharge treatment equipment produced in the lead storage battery production process according to claim 2, characterized in that: a support plate (15) is arranged at the notch position of the water collecting tank (13), and the support plate (15) is connected with the end part of the fence plate (4); a reinforcing rod is obliquely arranged below the supporting plate (15).
5. The wastewater zero-discharge treatment equipment produced in the lead storage battery production process according to claim 1, characterized in that: the stirring shaft (6) is transversely arranged, the two ends of the stirring shaft (6) are fixed with the cavity wall of the dosing cavity (21) through a rotary table (62), the rotary table (62) is driven by a motor, and the motor is connected with a controller.
6. The wastewater zero-discharge treatment equipment produced in the lead storage battery production process according to claim 1, characterized in that: stirring piece (61) is provided with to the side of (mixing) shaft (6), stirring piece (61) are the loop configuration, and the tip sets up to the circular arc structure, and the circular arc structure both ends are connected with the support of slope, and stirring piece (61) symmetry is provided with the multiunit.
7. The wastewater zero-discharge treatment equipment produced in the lead storage battery production process according to claim 1, characterized in that: the surface of the filter plate (7) is provided with a plurality of filter holes (71), and the filter holes (71) are of an inverted frustum structure; the bottom of the dosing cavity (21) is provided with a guide surface (25), and the guide surface (25) is of an arc-shaped structure.
8. The wastewater zero-discharge treatment equipment produced in the lead storage battery production process according to claim 1, characterized in that: the interior of the filter box (3) is hollow and is provided with a filter cavity (31); the filter cavity (31) is internally provided with partition plates (32), and the partition plates (32) are staggered up and down in the filter cavity (31); active carbon particles (33) are filled in the filter cavity (31), and the active carbon adsorption particles (33) are arranged at the top end of the lower side partition plate (32) in a submerged mode.
9. The wastewater zero-discharge treatment equipment produced in the lead storage battery production process according to claim 1, characterized in that: be provided with suction pump (5) between sedimentation tank (1) and dosing tank (2), suction pump (5) and controller electric connection.
10. A zero discharge treatment method for wastewater generated in the production process of lead storage batteries is characterized in that:
in the actual use process, the wastewater is directly added into the sedimentation tank 1 and is precipitated in the sedimentation tank 11; solid impurities are accumulated at the bottom of the sedimentation tank 1, fall on the inclined material guiding surface 12 and can slide down along the material guiding surface 12 so as to be discharged from the first sewage discharge port 14; the water outlet end of the sedimentation tank 1 is arranged at the position of the water collecting tank 13, the movable fence plate 4 is arranged above the water collecting tank 13, and the fence plate 4 seals the water collecting tank 13 in a normal state to play a role in filtering and prevent sedimentation from falling into the tank; the wastewater is sent into the dosing tank 2 by a water pump 5 through a pipeline. Adding a liquid medicine into the wastewater in the medicine adding cavity 21 through a medicine adding pipe 23 to flocculate and precipitate the wastewater; the motor connected with the turntable 62 is controlled by the controller to drive the stirring shaft 6 to stir the wastewater, so as to accelerate the flocculation process. The sediment is sunk below the filter plate 7 through the filter holes 71, the filter holes 71 in the shape of a truncated cone are rounded, the lower part is small, and the upper part is large, so that the reflux of the flocculent sediment is avoided. Finally, the flocculated sediment is discharged from a second sewage outlet 24, and the flocculated wastewater enters the filter tank 3 through a pipeline; the wastewater is further purified by the filtration of the activated carbon particles 33 in the filter chamber 31 and then discharged from the water discharge port 34, thereby completing the treatment process.
The motor connected with the lead screw 17 is controlled by the controller to drive the lead screw to be matched with the screw hole 43 of the connecting block 42, so that the lead screw moves up and down along the sliding groove 16, the fence plate 4 is driven to move, the water collecting tank 13 can be opened to clean the lead screw, and the fence plate 4 can be moved to the top to clean the fence plate 4. The supporting plate 15 is arranged to support the fence plate 4 in the use process, so that the single-side bearing is reduced, and the service life is prolonged; the inclined support rods serve to increase the strength of the support plate 15.
The bottom of the dosing cavity 21 is provided with an arc-shaped guide surface 25, so that flocculation and sedimentation can fall to the cavity bottom conveniently; the stirring member 61 is provided in a ring-shaped configuration, has an arc-shaped end, and is connected to the inclined bracket so as to be mounted on the stirring shaft 6; the arrangement mode can ensure that the liquid medicine is stirred, and meanwhile, the liquid medicine is prevented from being bonded with the flocculated sediment, and the sediment is ensured to fall down fully. The partition plates 32 are arranged in the filter cavity 31 in a vertically staggered manner to form a roundabout filter channel, so that the path of water flow passing through the filter cavity 31 is increased, and the filter effect is increased; activated carbon adsorption granule 33 is crossed the top that sets up at downside baffle 32, guarantees that waste water can flow through from activated carbon adsorption granule 33 all the time, guarantees the filter effect.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011320868.1A CN112723584A (en) | 2020-11-23 | 2020-11-23 | Zero-discharge treatment method and treatment equipment for wastewater generated in lead storage battery production process |
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| CN202011320868.1A CN112723584A (en) | 2020-11-23 | 2020-11-23 | Zero-discharge treatment method and treatment equipment for wastewater generated in lead storage battery production process |
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Application publication date: 20210430 |