CN219440991U - Acid liquor sedimentation filtration impurity removing system - Google Patents
Acid liquor sedimentation filtration impurity removing system Download PDFInfo
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- CN219440991U CN219440991U CN202320750283.6U CN202320750283U CN219440991U CN 219440991 U CN219440991 U CN 219440991U CN 202320750283 U CN202320750283 U CN 202320750283U CN 219440991 U CN219440991 U CN 219440991U
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Abstract
The utility model belongs to the field of resource recycling treatment, and discloses an acid solution sedimentation filtration impurity removal system which can be used in the preparation process of a battery anode material. The system comprises a turbid liquid pool, a clear liquid pool, a sludge pool, a filtering device, a storage tank and a tail gas treatment device; the turbid liquid tank is provided with a first sludge outlet, the sludge tank is provided with a second sludge outlet, the clear liquid tank is provided with a clear liquid outlet, the filtering device is provided with a filtrate outlet, and the clear liquid tank is communicated with the turbid liquid tank through an overflow port; the clear liquid discharged from the clear liquid outlet is conveyed to a storage tank; the sludge discharged from the first sludge outlet is conveyed to a sludge tank; the sludge discharged from the second sludge outlet is conveyed to a filtering device; the filtrate discharged from the filtrate outlet is conveyed to a turbid liquid pool and/or a clear liquid pool; the tail gas treatment device comprises a gas collecting hood, an induced draft fan communicated with the gas collecting hood and a spray pipe communicated with the gas collecting hood. The device provided by the utility model has the advantages of reasonable utilization, high treatment efficiency, safety and environmental protection.
Description
Technical Field
The utility model belongs to the field of resource recycling treatment, relates to an acid solution sedimentation filtration and impurity removal system, and in particular relates to an acid solution multistage sedimentation circulation filtration and impurity removal system.
Background
In the industrial production process, especially in the production process of battery cathode materials, certain solid insoluble substances are often contained in acid liquor of raw materials, intermediate products or byproducts, and the conventional treatment method is to store the acid liquor in a fixed container, and separate the acid liquor in a plate-frame filter pressing or centrifugation mode, but the following treatment methods have the following problems:
(1) The insoluble substances in the acid liquor have different particle sizes, are generally filtered at one time in a plate frame or centrifugal mode, are difficult to remove all solids, and cannot be trapped to influence the impurity removal effect;
(2) The acid liquor generally has volatile acid mist generation, the treatment process can influence the environment and the occupational health of operators, and the acid liquor generally has certain corrosiveness, and if the acid liquor is treated in an open environment, the acid liquor has great potential safety hazard and is easy to cause environmental protection or health accidents;
(4) The acid liquor is generally raw material or system wastewater, and the treatment capacity is limited by a simple mechanical filtering mode, so that the labor and energy consumption cost is greatly increased.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model aims to provide a safe and environment-friendly acid solution sedimentation filtration impurity removal system with high treatment efficiency.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
an acid liquor sedimentation filtration and impurity removal system comprises a turbid liquid pool, a clear liquid pool, a sludge pool, a filtering device, a storage tank and a tail gas treatment device;
the lower part of the turbid liquid pool is provided with a first sludge outlet, the lower part of the sludge pool is provided with a second sludge outlet, the upper part of the clear liquid pool is provided with a clear liquid outlet, the filtering device is provided with a filtrate outlet, and the clear liquid pool is communicated with the turbid liquid pool through an overflow port;
the clear liquid discharged from the clear liquid outlet is conveyed to a storage tank;
the sludge discharged from the first sludge outlet is conveyed to a sludge tank;
the sludge discharged from the second sludge outlet is conveyed to a filtering device;
the filtrate discharged from the filtrate outlet is conveyed to a turbid liquid pool and/or a clear liquid pool;
the tail gas treatment device comprises a gas collecting hood, an induced draft fan communicated with the gas collecting hood and a spray pipe communicated with the gas collecting hood, wherein the gas collecting hood is provided with a plurality of gas collecting hoods, and the gas collecting hoods are respectively arranged above openings of the turbid liquid pond, the clear liquid pond, the sludge pond and the filtering device.
Further, at least one baffle is arranged in the turbid liquid pond.
Further, the baffles are arranged at intervals in the turbid liquid pool along the flowing direction of the acid liquid.
Further, the height of the partition plate is lower than the height of the overflow port.
Further preferably, the turbid liquid pool is partitioned by a partition plate to form a plurality of areas, and each area is provided with a first sludge outlet; the partition boards are the same in height.
Further, the volume of the turbid liquid pool is larger than that of the clear liquid pool.
Further, a first aeration pipe is arranged at the bottom of the turbid liquid pool and is communicated with an external air compressor, a ball valve is arranged, and the aeration amount is controlled by adjusting the opening degree through controlling the ball valve.
Further, the clear liquid pool is provided with a third sludge outlet, and the sludge discharged from the third sludge outlet is conveyed to the filtering device.
Further, a second aeration pipe is arranged at the bottom of the sludge pond, the first aeration pipe is communicated with an external air compressor and is provided with a ball valve, and the aeration amount is controlled by adjusting the opening degree through controlling the ball valve.
Further, a stirring device is arranged in the sludge tank and comprises a stirring motor and stirring paddles arranged at the driving end of the stirring motor.
Further, the filtering device is a plate-and-frame filter press.
Further preferably, the drain of the plate and frame filter press is provided as an open flow type. The collecting tank of the open flow type plate-and-frame filter press can be used for observing and judging that filter pressing drainage of the plate-and-frame filter press is clear liquid or turbid liquid, so that a valve on a pipeline communicated with the clear liquid tank or the turbid liquid tank is opened for discharging, and the treatment efficiency is improved.
Further preferably, the plate and frame filter press is provided with an air inlet communicated with compressed air and a compressed water inlet communicated with a compressed water tank.
Further, the tail gas treatment device further comprises a spraying circulation water tank communicated with the lower end of the spraying pipe, a spray head is arranged in the spraying pipe, and the spraying circulation water tank is communicated with the spray head through a spraying circulation pump.
Further, the acid liquor sedimentation filtration impurity removal system further comprises a solid waste collection device, wherein the filter device is provided with a filter residue outlet, and the solid waste collection device is used for receiving filter residues discharged from the filter residue outlet.
Further preferably, the solid waste collecting device comprises a belt conveyor and a transport vehicle, and the transport vehicle is communicated with the filter residue outlet through the belt conveyor.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The acid liquor sedimentation filtration and impurity removal system device is reasonably utilized, and the treatment efficiency is improved by carrying out multistage sedimentation and circulating filtration on the acid liquor containing solid insoluble matters, so that corrosive acid liquor circulates in a closed loop way in a pipeline in the whole process, and the harm to human bodies and the environment is reduced.
(2) Compared with a single filtering mode, the sedimentation and filtering mode adopted by the utility model improves the impurity removal effect, improves the product quality, reduces the equipment use and energy consumption cost, and has good economic benefit in an automatic and efficient treatment mode.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of an acid solution sedimentation filtration and impurity removal system according to the present utility model;
FIG. 2 is a schematic view of the exhaust gas collecting device according to the present utility model;
wherein: 1-turbid liquid pool, 11-acid liquid inlet, 12-partition plate, 13-overflow port, 14-first water pump, 15-first aeration pipe, 2-clear liquid pool, 21-second water pump, 3-sludge pool, 31-stirring motor, 32-third water pump, 33-stirring slurry, 34-second aeration pipe, 4-plate-frame filter press, 41-compressed air, 42-compression water tank, 5-storage tank, 6-belt conveyor, 7-tail gas treatment device, 71-first gas collecting hood, 72-second gas collecting hood, 73-third gas collecting hood, 74-fourth gas collecting hood, 75-spray pipe, 76-spray circulation water tank, 77-spray head, 78-spray circulation pump, 79-induced draft fan, 8-ton bag carrier vehicle.
Detailed Description
The present utility model will be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments are shown, for the purpose of illustrating the utility model, but the scope of the utility model is not limited to the specific embodiments shown.
Unless defined otherwise, all technical and scientific terms used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the scope of the present utility model.
Unless otherwise specifically indicated, the various raw materials, reagents, instruments, equipment and the like used in the present utility model are commercially available or may be prepared by existing methods.
Examples
Referring to fig. 1 and 2, the present embodiment discloses an acid solution sedimentation filtration and impurity removal system. Comprises a turbid liquid pool 1, a clear liquid pool 2, a sludge pool 3, a plate-and-frame filter press 4, a storage tank 5, a tail gas treatment device 7 and a solid waste collection device.
The turbid liquid pool 1 is provided with an acid liquid inlet 11 communicated with the outside, an upper overflow port 13 communicated with the clear liquid pool 2 and a lower first sludge outlet communicated with the sludge pool 3;
in this embodiment, a partition plate 12 is disposed in the turbid liquid tank 1, and the partition plate 12 is disposed opposite to the acid liquid inlet 11, so as to delay the flow of liquid and facilitate the precipitation of sludge.
As one of preferable aspects of the present embodiment, a plurality of partition plates 12 are provided, and the plurality of partition plates 12 are arranged at intervals in the direction from the acid liquid inlet 11 to the overflow outlet in the turbid liquid tank 1; the turbid liquid tanks 1 between the adjacent partition plates 12 are provided with first sludge outlets.
In this embodiment, the plurality of separators 12 are the same in height.
As one of the preferred aspects of this embodiment, the height of the partition 12 is lower than the height of the overflow port 13.
In this embodiment, the volume of the turbid liquid reservoir 1 is larger than the volume of the clear liquid reservoir 2.
In the embodiment, a first aerator pipe 15 is arranged at the bottom of the turbid liquid pool 1; the first aeration pipe 15 is communicated with an external air compressor and is provided with a ball valve, and the aeration amount is controlled by adjusting the opening degree through controlling the ball valve.
The clear liquid pond 2 is provided with a clear liquid outlet at the upper part communicated with the storage tank 5, and a second water pump 21 is arranged on a pipeline of the clear liquid outlet communicated with the storage tank 5.
In this embodiment, the clear liquid tank 2 is provided with a lower third sludge outlet communicating with the sludge tank 3.
The sludge tank 3 is provided with a lower second sludge outlet communicated with the plate-and-frame filter press 4, and a third water pump 32 is arranged on a pipeline communicated with the plate-and-frame filter press 4 through the second sludge outlet.
In the embodiment, a second aeration pipe 34 is arranged at the bottom of the sludge pond 3, the second aeration pipe 34 is communicated with an external air compressor and is provided with a ball valve, and the aeration amount is controlled by adjusting the opening degree through controlling the ball valve.
In this embodiment, a stirring device is disposed in the sludge tank 3, and the stirring device includes a stirring motor 31 and a stirring paddle 33 disposed at the driving end of the stirring motor 31.
In this embodiment, the first sludge outlet and the third sludge outlet communicate with the sludge tank 3 through a pipe and a first water pump 14 provided on the pipe.
The filtrate outlet of the plate-and-frame filter press 4 is respectively communicated with the turbid liquid pool 1 and the clear liquid pool 2 through pipelines, and valves are arranged on the pipelines; the plate and frame filter press 4 is provided with an air inlet communicating with the compressed air 41 and a compressed water inlet communicating with the compressed water tank 42.
In the present embodiment, the drainage of the plate-and-frame filter press 4 is set to be open flow; the collecting tank of the open flow type plate-and-frame filter press 4 can be used for observing and judging that the filter pressing drainage of the plate-and-frame filter press 4 is clear liquid or turbid liquid, so that a valve on a pipeline communicated with the clear liquid tank 2 or the turbid liquid tank 1 is opened for drainage, and the treatment efficiency is improved.
The tail gas treatment device 7 comprises a gas collecting hood, an induced draft fan 79 communicated with the gas collecting hood and a spray pipe 75 communicated with the gas collecting hood.
In this embodiment, a plurality of gas collecting hoods are provided, including a first gas collecting hood 71, a second gas collecting hood 72, a third gas collecting hood 73, and a fourth gas collecting hood 74, which are provided above the openings of the turbid liquid pond 1, the clear liquid pond 2, the sludge pond 3, and the plate-and-frame filter press 4, respectively.
In this embodiment, the tail gas treatment device 7 further includes a spray circulation water tank 76 connected to the lower end of the spray pipe 75, a spray head 77 is disposed in the spray pipe 75, and the spray circulation water tank 76 is connected to the spray head 77 through a spray circulation pump 78.
The solid waste collecting device comprises a belt conveyor 6 and a ton bag transport vehicle 8, wherein the ton bag transport vehicle 8 is communicated with a slag discharging port of the plate-and-frame filter press 4 through the belt conveyor 6.
The operation principle of the acid solution sedimentation filtration impurity removal system in this embodiment is as follows:
acid liquor containing insoluble solids from a tank car or other workshops enters the turbid liquid tank 1 through an acid liquor inlet 11; the clear acid liquor at the upper layer in the turbid liquid pool 1 overflows from an overflow port 13 to enter a clear liquid pool 2 after sedimentation, clear liquid in the clear liquid pool 2 is directly transferred into a storage tank 5 for standby through a clear liquid outlet and a second water pump 21, more solid turbid liquid is respectively pumped into a sludge pool 3 through a first sludge outlet and a second sludge outlet through a first water pump 14 at the bottom of the turbid liquid pool 1 and the bottom of the clear liquid pool 2, aeration and stirring are carried out in the sludge pool 3, the aerated and stirred fully, the aerated and stirred liquid is pumped into a plate-and-frame filter press 4 through a third water pump 32 for filtration, filtrate enters the clear liquid pool 2 or the turbid liquid pool 1 through a filtrate outlet to form circulation, specifically, clear acid liquor after filter pressing enters the turbid liquid pool 1 through a filtrate outlet, insoluble solids are trapped in plate-frame filter cloth of a plate-and-frame filter press 4, and the turbid acid liquor is conveyed to a ton bag conveyor 8 through a belt conveyor 6.
The steps are repeated, and the multi-stage sedimentation and repeated circulating filtration can be performed by sequentially circulating, so that the purposes of high-efficiency separation and impurity removal are achieved.
The acid solution sedimentation filtration impurity removal system can realize safe and proper treatment of three wastes, and the acid waste liquid is collected by the storage tank 5 after sedimentation filtration and can be used as raw material of the next working procedure; a gas collecting hood is arranged above the turbid liquid tank 1, the clear liquid tank 2, the plate-and-frame filter press 4 and the outlet of the sedimentation tank, and is sucked into a spray pipe 75 through a draught fan 79 for absorption, so that qualified exhaust emission can be achieved; insoluble solids collected by the plate-and-frame filter cloth in the plate-and-frame filter press 4 are transferred to a ton bag transport vehicle 8, and can be sold by downstream factories to be recycled as production raw materials, so that zero pollution emission is realized.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the scope of the present utility model.
Claims (10)
1. The acid liquor sedimentation filtration and impurity removal system is characterized by comprising a turbid liquid pond, a clear liquid pond, a sludge pond, a filtering device, a storage tank and a tail gas treatment device;
the lower part of the turbid liquid pool is provided with a first sludge outlet, the lower part of the sludge pool is provided with a second sludge outlet, the upper part of the clear liquid pool is provided with a clear liquid outlet, the filtering device is provided with a filtrate outlet, and the clear liquid pool is communicated with the turbid liquid pool through an overflow port;
the clear liquid discharged from the clear liquid outlet is conveyed to a storage tank;
the sludge discharged from the first sludge outlet is conveyed to a sludge tank;
the sludge discharged from the second sludge outlet is conveyed to a filtering device;
the filtrate discharged from the filtrate outlet is conveyed to a turbid liquid pool and/or a clear liquid pool;
the tail gas treatment device comprises a gas collecting hood, an induced draft fan communicated with the gas collecting hood and a spray pipe communicated with the gas collecting hood, wherein the gas collecting hood is provided with a plurality of gas collecting hoods, and the gas collecting hoods are respectively arranged above openings of the turbid liquid pond, the clear liquid pond, the sludge pond and the filtering device.
2. The acid solution sedimentation filtration and impurity removal system according to claim 1, wherein at least one baffle is arranged in the turbid liquid pond; the partition plates are arranged in the turbid liquid pool at intervals along the flowing direction of the acid liquid; the height of the partition plate is lower than that of the overflow port.
3. The acid solution sedimentation filtration and impurity removal system according to claim 2, wherein the turbid liquid pool is partitioned by a partition plate to form a plurality of areas, and each area is provided with a first sludge outlet; the partition boards are the same in height.
4. The acid sedimentation filtration system as claimed in claim 1, wherein the clear liquid tank is provided with a third sludge outlet, and the sludge discharged from the third sludge outlet is sent to the filtration device.
5. The acid sedimentation filtration system of claim 1, wherein the volume of the turbid liquid pool is greater than the volume of the clear liquid pool.
6. The acid solution sedimentation filtration and impurity removal system according to claim 1, wherein a first aerator pipe is arranged at the bottom of the turbid liquid tank; a second aeration pipe is arranged at the bottom of the sludge tank; and a stirring device is arranged in the sludge tank.
7. The acid precipitation filtration and impurity removal system according to claim 1, wherein the filtration device is a plate and frame filter press.
8. The acid solution sedimentation filtration and impurity removal system according to claim 7, wherein the drainage of the plate-and-frame filter press is set as open flow type; the plate-and-frame filter press is provided with an air inlet communicated with compressed air and a compressed water inlet communicated with the compressed water tank.
9. The acid solution sedimentation filtration and impurity removal system according to claim 1, wherein the tail gas treatment device further comprises a spray circulation water tank communicated with the lower end of a spray pipe, a spray head is arranged in the spray pipe, and the spray circulation water tank is communicated with the spray head through a spray circulation pump.
10. The acid liquor sedimentation filtration and impurity removal system according to claim 1, further comprising a solid waste collection device, wherein the filtration device is provided with a residue outlet, and the solid waste collection device is used for receiving the residue discharged from the residue outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320750283.6U CN219440991U (en) | 2023-04-07 | 2023-04-07 | Acid liquor sedimentation filtration impurity removing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320750283.6U CN219440991U (en) | 2023-04-07 | 2023-04-07 | Acid liquor sedimentation filtration impurity removing system |
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| Publication Number | Publication Date |
|---|---|
| CN219440991U true CN219440991U (en) | 2023-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320750283.6U Active CN219440991U (en) | 2023-04-07 | 2023-04-07 | Acid liquor sedimentation filtration impurity removing system |
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| CN (1) | CN219440991U (en) |
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- 2023-04-07 CN CN202320750283.6U patent/CN219440991U/en active Active
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