CN211384144U - Waste acid recovery processing device in storage battery production process - Google Patents
Waste acid recovery processing device in storage battery production process Download PDFInfo
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- CN211384144U CN211384144U CN201921292177.8U CN201921292177U CN211384144U CN 211384144 U CN211384144 U CN 211384144U CN 201921292177 U CN201921292177 U CN 201921292177U CN 211384144 U CN211384144 U CN 211384144U
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Abstract
The utility model discloses a waste acid recovery processing apparatus in battery production process, include: the multistage sedimentation tank is used for carrying out sedimentation treatment on the acid liquor; a filter screen is arranged above the filter tank and is used for carrying out primary filtration treatment on the acid liquor after the precipitation treatment; the activated carbon filter is filled with activated carbon and is used for carrying out secondary filtration on the acid liquor subjected to primary filtration treatment; and the acid liquor collecting tank is used for collecting the treated acid liquor obtained after the secondary filtration. The device of this application deposits through multistage sedimentation tank and gets rid of the high impurity of large granule and density, then gets rid of the impurity of less granule through the filter screen primary filtration, carries out the secondary filter through the activated carbon filter of inside packing active carbon again and gets rid of the small granule impurity, and the clean acidizing fluid of gained after the processing is collected and is carried out reuse in the acidizing fluid collecting pit. The device has good treatment effect, high flux of acid liquid treatment and relatively low price.
Description
Technical Field
The utility model relates to a battery production technical field especially relates to a waste acid recovery processing apparatus in battery production process.
Background
In the production process of the storage battery, in order to ensure the quality of the container formation battery, the battery needs to be charged by adding acid with rich solution, about 20g of waste acid is generated every 100wh, namely about 5200 tons of waste sulfuric acid is generated every year, a large amount of alkali is required for treatment of the waste acid, lead ions in the waste acid need to be removed for emission, and a large amount of cost needs to be added, so that a plurality of small plants can carry out emission when the treatment does not reach the standard, and a great environmental protection risk can be brought.
The invention patent with publication number CN104773713A discloses a waste acid recovery device of a lead-acid storage battery, which at least comprises: the first sedimentation tank is provided with a plurality of labyrinth grids for carrying out primary sedimentation treatment on waste acid; the second sedimentation tank is provided with a buffering inclined plate, a honeycomb inclined plate and a sawtooth structure, the buffering inclined plate is arranged at the lower part of the second sedimentation tank, the honeycomb inclined plate is arranged in the middle of the second sedimentation tank, and the sawtooth structure is arranged at the top of the second sedimentation tank; the pneumatic diaphragm pump is used for pumping waste acid subjected to primary sedimentation treatment in the first sedimentation tank to the second sedimentation tank and guiding the waste acid to the lower part of a buffer inclined plate of the second sedimentation tank; and in the recovery tank, waste acid overflows from the sawtooth structure and flows into the recovery tank after secondary sedimentation treatment of the buffer inclined plate and the honeycomb inclined plate. In the technical scheme, the waste acid is treated by mainly using a precipitation method, and impurities with small density or fine particles cannot be effectively removed.
The utility model discloses a utility model CN206033407U discloses a battery waste acid recovery plant, including the diaphragm pump that is used for carrying the spent acid, the exit linkage of diaphragm pump has the spent acid storage tank, the liquid outlet of spent acid storage tank is connected with the feed inlet of pressure filter through the filtration pump, the filtrating exit linkage of pressure filter has the reaction circulation jar, the reaction circulation jar is connected with the water inlet of a plurality of ceramic membrane filters of parallelly connected setting through the membrane filtration pump, the delivery port of ceramic membrane filter is connected to joining in marriage sour station retrieval and utilization acid tank through retrieval and utilization acid pump. According to the technical scheme, impurities are mainly removed through filtration, particularly, the membrane filter can well remove the impurities, but the filtration efficiency is low, the general flux of membrane filtration is low, the price is high, and the membrane filter is not suitable for treatment of a large amount of waste acid.
SUMMERY OF THE UTILITY MODEL
The utility model provides a waste acid recovery processing device in the battery production process to the not enough of existence among the prior art.
A waste acid recovery processing device in the production process of storage batteries comprises:
the multistage sedimentation tank is used for carrying out sedimentation treatment on the acid liquor;
a filter screen is arranged above the filter tank and is used for carrying out primary filtration treatment on the acid liquor after the precipitation treatment;
the activated carbon filter is filled with activated carbon and is used for carrying out secondary filtration on the acid liquor subjected to primary filtration treatment;
and the acid liquor collecting tank is used for collecting the treated acid liquor obtained after the secondary filtration.
The multistage sedimentation tank is 2 ~ 4 grades, is equipped with the overflow mouth on the lateral wall between the adjacent two-stage sedimentation tank.
Two overflow ports on the side walls of two sides of the same-stage sedimentation tank are arranged in a staggered manner in the horizontal direction.
And a first acid liquid conveying pipe is arranged between the last stage of the multistage sedimentation tank and the filtering tank, a first acid liquid conveying pump is arranged on the first acid liquid conveying pipe, and the outlet end of the first acid liquid conveying pipe extends to the filter screen. The acid liquor delivery pump can adopt a 40EFT-20F sulfuric acid self-sucking pump manufactured by Itanium pump valve manufacturing company, Anhui.
The filter screen is the acid-proof filter cloth, and the material can select polypropylene fibre for example.
The activated carbon filter is provided with an acid liquor inlet and an acid liquor outlet; and a second acid liquid conveying pipe is arranged between the filter tank and the activated carbon filter, a second acid liquid conveying pump is arranged on the second acid liquid conveying pipe, and the outlet end of the second acid liquid conveying pipe is connected with the acid liquid inlet.
The acidizing fluid import is located activated carbon filter's top, the acidizing fluid export is located activated carbon filter's bottom, the acidizing fluid export is located acidizing fluid collecting pit top.
The utility model discloses waste acid recovery processing device deposits through multistage sedimentation tank and gets rid of the higher impurity of large granule and density in the battery production process, then gets rid of the impurity of less granule through filter screen primary filtration, carries out the second grade through the active carbon filter of inside packing active carbon again and filters and get rid of small particle impurity, handles the clean acidizing fluid of back gained and collects and carry out reuse in the acidizing fluid collecting pit. The waste acid recovery processing device in the production process of the storage battery has a good processing effect, can process high flux of acid liquor, and has relatively low price.
Drawings
Fig. 1 is the utility model discloses waste acid recovery processing apparatus's in the battery production process schematic structure diagram.
Fig. 2 is a schematic diagram of the position structure of an overflow port in a multistage sedimentation tank.
Detailed Description
As shown in fig. 1 and 2, a waste acid recycling device in the production process of storage batteries comprises: the device comprises a multistage sedimentation tank 1, a filtering tank 3, an activated carbon filter 5 and an acid liquor collecting tank 6. The multistage sedimentation tank 1 is used for carrying out sedimentation treatment on acid liquor, the multistage sedimentation tank 1 generally comprises 2-4 stages, 3 stages in the embodiment shown in fig. 1, and overflow ports 11 are formed in the side walls between two adjacent stages of sedimentation tanks. In order to facilitate the acid liquor to be fully precipitated, two overflow ports on the side walls of two sides of the same-stage precipitation tank are staggered in the horizontal direction (shown in fig. 2).
After large particles and high-density impurities are removed through the multistage sedimentation tank 1, the remaining acid liquor is conveyed to the filtering tank 3 through the first acid liquor conveying pipe 2, and the first acid liquor conveying pump 21 is arranged on the first acid liquor conveying pipe 2. The first acid liquid delivery pump 21 is generally arranged in a suspension manner in the final stage sedimentation tank, and cannot sink to the bottom so as not to pump impurities in the bottom to the downstream.
A filter screen 31 is arranged above the filter tank 3, the filter screen 31 is used for carrying out primary filtering treatment on the acid liquor after the precipitation treatment, the outlet end of the first acid liquor conveying pipe 2 extends to the filter screen 31, and the acid liquor enters the filter tank 3 after being filtered and purified by the filter screen 31. The filter screen 31 is an acid-proof filter cloth, the material of which can be polypropylene fiber, can be made into shapes such as pocket shape or fixed on the inner surface of a style structure for supporting, and can be replaced or cleaned for reuse when used for a period of time to filter more filter residues.
The inside of the activated carbon filter 5 is filled with activated carbon 51 for secondary filtration of the acid solution subjected to the primary filtration treatment. Activated carbon filter 5 has acid liquor inlet 52 and acid liquor outlet 53, and acid liquor inlet 52 is located the top of activated carbon filter 5, and acid liquor outlet 53 is located the bottom of activated carbon filter 5.
A second acid liquid conveying pipe 4 is arranged between the filter tank 3 and the activated carbon filter 5, a second acid liquid conveying pump 41 is arranged on the second acid liquid conveying pipe 4, and the outlet end of the second acid liquid conveying pipe 4 is connected with an acid liquid inlet 52.
The acid liquor collecting tank 6 is used for collecting the acid liquor after the treatment after the secondary filtration. The acid liquor outlet 53 is positioned above the acid liquor collecting tank 6, and the acid liquor entering the activated carbon filter 5 can automatically descend under the action of gravity and finally fall into the acid liquor collecting tank from the acid liquor outlet 53 without additional energy supply.
A third acid liquor conveying pipe 7 for outputting the treated acid liquor to the downstream for recycling is further arranged in the acid liquor collecting tank 6, and a third acid liquor conveying pump 71 is arranged on the third acid liquor conveying pipe 7.
Each acid liquor delivery pump in the application needs to be acid-resistant, and can adopt a 40EFT-20F sulfuric acid self-sucking pump manufactured by Anhui Tenglong pump valve company Limited.
The materials used by each part in the application are acid-resistant materials, generally acid-resistant plastics, the materials are not improved, and the acid-resistant materials commonly used in the prior art are selected, so that the materials are not repeated.
The utility model discloses waste acid recovery processing device passes through 1 sediment in the multistage sedimentation tank in the battery production process and gets rid of the high impurity of large granule and density, then gets rid of the impurity of less granule through the primary filtration of filter screen 31, carries out the second grade through the activated carbon filter 5 of inside packing activated carbon 51 again and filters and get rid of the small granule impurity, and the clean acidizing fluid of gained is collected and is carried out reuse in acidizing fluid collecting pit 6 after the processing.
Claims (7)
1. The utility model provides a spent acid recovery processing apparatus in battery production process which characterized in that includes:
the multistage sedimentation tank is used for carrying out sedimentation treatment on the acid liquor;
a filter screen is arranged above the filter tank and is used for carrying out primary filtration treatment on the acid liquor after the precipitation treatment;
the activated carbon filter is filled with activated carbon and is used for carrying out secondary filtration on the acid liquor subjected to primary filtration treatment;
and the acid liquor collecting tank is used for collecting the treated acid liquor obtained after the secondary filtration.
2. The waste acid recovery processing device in the storage battery production process of claim 1, wherein the multistage sedimentation tank is 2-4 stages, and overflow ports are arranged on the side wall between two adjacent stages of sedimentation tanks.
3. The waste acid recovery processing device in the storage battery production process according to claim 2, wherein the two overflow ports on the side walls of the same-stage sedimentation tank are staggered in the horizontal direction.
4. The waste acid recycling device for the storage battery production process according to claim 1, wherein a first acid liquid conveying pipe is arranged between the last stage of the multistage sedimentation tank and the filtering tank, a first acid liquid conveying pump is arranged on the first acid liquid conveying pipe, and an outlet end of the first acid liquid conveying pipe extends to the filtering screen.
5. The apparatus for recovering and treating waste acid from the production process of storage battery as claimed in claim 1, wherein said filter screen is an acid-proof filter cloth.
6. The waste acid recycling device for the battery production process as claimed in claim 1, wherein the activated carbon filter has an acid inlet and an acid outlet; and a second acid liquid conveying pipe is arranged between the filter tank and the activated carbon filter, a second acid liquid conveying pump is arranged on the second acid liquid conveying pipe, and the outlet end of the second acid liquid conveying pipe is connected with the acid liquid inlet.
7. The waste acid recycling device in the storage battery production process of claim 6, wherein the acid liquor inlet is positioned at the top of the activated carbon filter, the acid liquor outlet is positioned at the bottom of the activated carbon filter, and the acid liquor outlet is positioned above the acid liquor collecting tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921292177.8U CN211384144U (en) | 2019-08-09 | 2019-08-09 | Waste acid recovery processing device in storage battery production process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921292177.8U CN211384144U (en) | 2019-08-09 | 2019-08-09 | Waste acid recovery processing device in storage battery production process |
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| CN211384144U true CN211384144U (en) | 2020-09-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112919427A (en) * | 2021-03-23 | 2021-06-08 | 天能电池集团股份有限公司 | Method and device for recycling waste acid in lead storage battery production process |
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2019
- 2019-08-09 CN CN201921292177.8U patent/CN211384144U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112919427A (en) * | 2021-03-23 | 2021-06-08 | 天能电池集团股份有限公司 | Method and device for recycling waste acid in lead storage battery production process |
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