CN215896509U - Broken material extraction system of old and useless battery cell - Google Patents
Broken material extraction system of old and useless battery cell Download PDFInfo
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- CN215896509U CN215896509U CN202122155176.2U CN202122155176U CN215896509U CN 215896509 U CN215896509 U CN 215896509U CN 202122155176 U CN202122155176 U CN 202122155176U CN 215896509 U CN215896509 U CN 215896509U
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/84—Recycling of batteries or fuel cells
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Abstract
The utility model provides a broken material extraction system of a waste single battery, which comprises: the leaching device is used for removing aluminum and iron from the nickel-cobalt powder after the batteries are crushed and sorted; the extraction device is used for extracting the leached filtrate to obtain nickel sulfate, cobalt sulfate and manganese sulfate products; the lithium carbonate production device is connected with the slag discharging end of the leaching device and is used for processing leached fluoride sediments to obtain lithium carbonate; the discharge end of extraction device is connected with sulfate crystallization kettle, and the discharge end connection of sulfate crystallization kettle is provided with first flash evaporation drying machine, and the top of first flash evaporation drying machine is provided with the sack dust collector. According to the utility model, the sulfate solution prepared by the extraction device enters the sulfate crystallization kettle to be evaporated and crystallized, and the crystallized solid enters the first flash drying machine to be evaporated and dried, so that the drying time of the sulfate solution is greatly reduced through twice evaporation and drying operations, and the efficient recovery of sulfate is realized.
Description
Technical Field
The utility model relates to the technical field of waste lithium ion battery recovery, in particular to a waste single battery crushed material extraction system.
Background
The waste battery is a used and discarded battery. The lithium ion battery mainly comprises a positive electrode material, a negative electrode material, a diaphragm, a binder, a conductive agent and the like, wherein the positive electrode material mainly comprises lithium cobaltate, lithium manganate, lithium nickelate, lithium iron phosphate, a ternary material and the like. Lithium cobaltate is a typical positive electrode material, is widely used in daily life due to high capacity and strong cycling stability, cobalt and lithium in the lithium cobaltate have high recovery value as rare metal elements, and the battery contains a large amount of noble metals and rare elements, so that the battery is not only harmful to water and soil environments, but also has rich metal resource development value, and is not suitable to be treated as common household garbage, and the optimal treatment mode is recycling. The cyclic resource utilization refers to a recycling process of preparing a valuable product which is the same as or similar to the product performance through reasonable decomposition and recombination of a product after the product is scrapped. The recycling of the battery anode material means that the battery anode material is prepared into a new battery material according to a certain formula after the battery is scrapped through element decomposition.
When the waste lithium battery is recycled, the battery needs to be crushed, the crushed material of the battery is nickel-cobalt-containing powder, and the crushed material of the battery needs to be treated by an extraction process. However, after the sulfate solution is prepared by the traditional extraction process, the recovery of the sulfate is realized only by adopting a drying mode, and the recovery speed of the sulfate is influenced due to the fact that the extraction process is long due to long drying time.
SUMMERY OF THE UTILITY MODEL
The utility model provides a broken material extraction system of a waste single battery, which aims to solve the problems in the background technology, reduce the drying time of a sulfate solution and realize the efficient recovery of sulfate.
The technical scheme of the utility model is realized as follows:
a broken material extraction system of old and useless battery cell includes:
the leaching device is used for removing aluminum and iron from the nickel-cobalt powder after the batteries are crushed and sorted;
the extraction device is connected with the liquid outlet end of the leaching device and is used for extracting the leached filtrate to obtain nickel sulfate, cobalt sulfate and manganese sulfate products; and
the lithium carbonate production device is connected with the slag discharging end of the leaching device and is used for processing leached fluoride sediments to obtain lithium carbonate;
the discharge end of the extraction device is connected with a sulfate crystallization kettle used for concentrating and crystallizing nickel sulfate, cobalt sulfate and manganese sulfate solution obtained by extraction respectively, the discharge end of the sulfate crystallization kettle is connected with a first flash evaporation dryer used for drying sulfate after crystallization quickly, and the top end of the first flash evaporation dryer is provided with a bag dust collector.
Further optimize technical scheme, the leaching device includes:
the leaching tank is used for adding concentrated sulfuric acid and hydrogen peroxide to carry out acid leaching on the nickel-cobalt powder;
the first impurity removal tank is used for mixing the materials leached by the acid in the leaching tank with sodium carbonate from the sodium carbonate preparation tank so as to enable aluminum, iron and sodium carbonate to react to generate iron slag and aluminum slag;
the first filter press is used for carrying out solid-liquid separation on the mixed material in the first impurity removing groove;
the first washing tank is connected with a slag outlet of the first filter press and is used for washing filter residues obtained after solid-liquid separation of the first filter press to obtain iron slag and aluminum slag;
the second impurity removal tank is used for mixing the filtrate obtained after solid-liquid separation of the first filter press with the added sodium fluoride so that calcium, magnesium and lithium in the filtrate react with the sodium fluoride to generate calcium fluoride, magnesium fluoride and lithium fluoride sediments;
the liquid outlet of the second filter press is connected with the extraction device, and the second filter press is used for carrying out solid-liquid separation on the mixed material in the second impurity removing groove; and
the second washing tank is connected with a slag outlet of the second filter press and is used for washing the filter residue after solid-liquid separation of the second filter press to obtain fluoride sediments; and the slag outlet of the second rinsing bath is connected with a lithium carbonate production device.
According to the technical scheme, a first pipeline for introducing the slag washing water in the first rinsing bath into the first impurity removing groove is connected and arranged between the first rinsing bath and the first impurity removing groove, and a first conveying pump is arranged on the first pipeline.
Further optimize technical scheme, extraction device includes:
the manganese sulfate extraction boxes are sequentially connected and are connected with the liquid outlet of the second filter press, and are used for adding a P204 extractant to extract the leaching solution to obtain a P204 raffinate and a P204 loaded organic phase, and adding sulfuric acid to back-extract the P204 loaded organic phase to obtain a manganese sulfate product;
the cobalt sulfate extraction boxes are sequentially connected and provided with a plurality of cobalt sulfate extraction boxes, are connected with raffinate outlets of the manganese sulfate extraction boxes, and are used for adding a P507 extracting agent to extract P204 raffinate discharged from the manganese sulfate extraction boxes to obtain P507 raffinate and a P507 loaded organic phase, and adding sulfuric acid to reversely extract the P507 loaded organic phase to obtain a cobalt sulfate product; and
and the nickel sulfate extraction boxes are sequentially connected and provided with a plurality of extraction raffinate outlets, are connected with the cobalt sulfate extraction boxes, and are used for adding a P204 extraction agent to extract P507 extraction raffinate discharged from the cobalt sulfate extraction boxes to obtain a P204 loaded organic phase, and adding sulfuric acid to perform back extraction on the P204 loaded organic phase to obtain a nickel sulfate product.
According to the further optimized technical scheme, three sulfate crystallization kettles are arranged and are respectively connected with the discharge ends of the manganese sulfate extraction box, the cobalt sulfate extraction box and the nickel sulfate extraction box.
According to the technical scheme, a second pipeline for introducing the slag washing water in the second rinsing bath into the manganese sulfate extraction box is arranged between the second rinsing bath and the manganese sulfate extraction box, and a second conveying pump is arranged on the second pipeline.
Further optimize technical scheme, lithium carbonate apparatus for producing includes:
the lithium treatment tank is connected with a slag outlet of the second rinsing tank and is used for carrying out chlorination reaction on the fluoride sediments;
the first filter is connected with a discharge hole of the lithium treatment tank and is used for carrying out solid-liquid separation on the mixed material in the lithium treatment tank;
the carbonation reaction tank is connected with the liquid outlet end of the first filter and is used for carrying out carbonation reaction on the solution filtered by the first filter to obtain lithium carbonate precipitate;
the second filter is connected with the discharge hole of the carbonation reaction tank and is used for filtering the lithium carbonate precipitate; and
and the second flash evaporation dryer is connected with the slag outlet of the second filter and used for carrying out flash evaporation drying on the lithium carbonate precipitate.
By adopting the technical scheme, the utility model has the beneficial effects that:
according to the utility model, the discharge end of the extraction device is connected with the sulfate crystallization kettle, and the discharge end of the sulfate crystallization kettle is connected with the first flash evaporation dryer, so that after sulfate solution prepared by the extraction device enters the sulfate crystallization kettle to be evaporated and crystallized, solid after crystallization enters the first flash evaporation dryer to be evaporated and dried, and through twice evaporation and drying operations, the drying time of the sulfate solution is greatly reduced, and the efficient recovery of sulfate is realized. And the cloth bag dust collector arranged at the top end of the first flash drying machine can collect dust generated in the drying process, and the dust is sold as a product, so that the high-efficiency recovery of the sulfate product is realized.
According to the utility model, the first pipeline connected between the first rinsing bath and the first impurity removing bath can be used for introducing the slag washing water in the first rinsing bath into the first impurity removing bath, and the second pipeline arranged between the second rinsing bath and the manganese sulfate extraction box can be used for introducing the slag washing water in the second rinsing bath into the manganese sulfate extraction box, so that the high-efficiency utilization of water resources is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention 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, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a flow chart of the apparatus of the present invention.
Wherein: 1. a leaching device, 11, a leaching tank, 13, a first impurity removal tank, 14, a first filter press, 15, a first rinsing tank, 16, a second impurity removal tank, 17, a second filter press, 18 and a second rinsing tank; 2. the device comprises an extraction device, 21, a manganese sulfate extraction box, 22, a cobalt sulfate extraction box, 23, a nickel sulfate extraction box, 24, a sulfate crystallization kettle, 25 and a first flash drying machine; 3. lithium carbonate apparatus for producing, 31, lithium processing groove, 32, first filter, 33, carbonation reaction groove, 34, second filter, 35, second flash distillation drying-machine.
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.
A broken material extraction system of a waste single battery is shown in a combined figure 1 and comprises a leaching device 1, an extraction device 2 and a lithium carbonate production device 3.
The leaching device 1 is used for removing aluminum and iron from the nickel-cobalt powder after the batteries are crushed and sorted. The leaching apparatus 1 includes a leaching tank 11, a first impurity removal tank 13, a first filter press 14, a first rinsing tank 15, a second impurity removal tank 16, a second filter press 17, and a second rinsing tank 18.
And the leaching tank 11 is used for adding concentrated sulfuric acid and hydrogen peroxide to carry out acid leaching on the nickel cobalt powder. And introducing steam through a steam pipeline in the acid leaching process, and heating through the steam.
And the first impurity removal tank 13 is used for mixing the materials subjected to acid leaching in the leaching tank 11 with sodium carbonate from the sodium carbonate preparation tank so as to enable aluminum, iron and sodium carbonate to react to generate iron slag and aluminum slag.
And the first filter press 14 is used for carrying out solid-liquid separation on the mixed material in the first impurity removing groove 13. After solid-liquid separation by a filter press, the residual materials do not contain aluminum and iron any more, thus achieving the purposes of removing aluminum and iron.
And the first washing tank 15 is connected with the slag outlet of the first filter press 14 and is used for washing the filter residue after solid-liquid separation of the first filter press 14 so as to obtain iron slag and aluminum slag.
And the second impurity removal tank 16 is configured to mix the filtrate obtained after the solid-liquid separation in the first filter press 14 with the added sodium fluoride, so that calcium, magnesium, and lithium in the filtrate react with the sodium fluoride to generate calcium fluoride, magnesium fluoride, and lithium fluoride precipitate.
And a liquid outlet of the second filter press 17 is connected with the extraction device 2, and the second filter press 17 is used for carrying out solid-liquid separation on the mixed material in the second impurity removing groove 16.
And the second washing tank 18 is connected with a slag outlet of the second filter press 17 and is used for washing the filter residue after solid-liquid separation of the second filter press 17 to obtain fluoride sediments, and the fluoride sediments comprise calcium fluoride, magnesium fluoride and lithium fluoride sediments. The slag outlet of the second washing bath 18 is connected with the lithium carbonate production device 3.
A first pipeline for leading the slag washing water in the first rinsing bath 15 into the first impurity removing tank 13 is connected between the first rinsing bath 15 and the first impurity removing tank 13, and a first conveying pump is arranged on the first pipeline.
And the extraction device 2 is connected with the liquid outlet end of the leaching device 1 and is used for extracting the leached filtrate (the extracting agents adopt the existing commercial reagents, and the extraction process adopts the existing extraction method) to obtain nickel sulfate, cobalt sulfate and manganese sulfate products. The extraction device 2 comprises a manganese sulfate extraction tank 21, a cobalt sulfate extraction tank 22 and a nickel sulfate extraction tank 23.
And a plurality of manganese sulfate extraction boxes 21 are sequentially connected and connected with the liquid outlet of the second filter press 17, and are used for adding a P204 extractant to extract the leaching solution to obtain a P204 raffinate and a P204 loaded organic phase, and adding sulfuric acid to back-extract the P204 loaded organic phase to obtain a manganese sulfate product.
The cobalt sulfate extraction boxes 22 are sequentially connected and provided with a plurality of cobalt sulfate extraction boxes, are connected with raffinate outlets of the manganese sulfate extraction boxes 21, and are used for adding a P507 extracting agent to extract P204 raffinate discharged from the manganese sulfate extraction boxes 21 to obtain P507 raffinate and a P507 loaded organic phase, and adding sulfuric acid to perform back extraction on the P507 loaded organic phase to obtain a cobalt sulfate product.
The nickel sulfate extraction boxes 23 are sequentially connected and provided with a plurality of raffinate outlets, are connected with the raffinate outlets of the cobalt sulfate extraction boxes 22, and are used for adding a P204 extractant to extract P507 raffinate discharged from the cobalt sulfate extraction boxes 22 to obtain a P204 loaded organic phase, and adding sulfuric acid to perform back extraction on the P204 loaded organic phase to obtain a nickel sulfate product.
The discharge end of the extraction device 2 is connected with a sulfate crystallization kettle 24 for respectively concentrating and crystallizing the extracted nickel sulfate solution, cobalt sulfate solution and manganese sulfate solution.
Three sulfate crystallization kettles 24 are arranged and are respectively connected with the discharge ends of the manganese sulfate extraction box 21, the cobalt sulfate extraction box 22 and the nickel sulfate extraction box 23.
The discharge end of the sulfate crystallization kettle 24 is connected with a first flash evaporation dryer 25 for rapidly drying crystallized sulfate. The top end of the first flash evaporation dryer 25 is provided with a cloth bag dust collector, and dust generated in the drying process is collected by the cloth bag dust collector and is sold as a product.
A second pipeline for introducing the slag washing water in the second washing tank 18 into the manganese sulfate extraction box 21 is arranged between the second washing tank 18 and the manganese sulfate extraction box 21, and a second conveying pump is arranged on the second pipeline.
And the lithium carbonate production device 3 is connected with the slag discharging end of the leaching device 1 and is used for treating leached fluoride sediments to obtain lithium carbonate. The lithium carbonate production apparatus 3 includes a lithium treatment tank 31, a first filter 32, a carbonation reaction tank 33, a second filter 34, and a second flash dryer 35.
And the lithium treatment tank 31 is connected with a slag outlet of the second rinsing tank 18 and is used for performing chlorination reaction on the fluoride sediments. And (3) adding hydrochloric acid into the calcium fluoride, the magnesium fluoride and the lithium fluoride sediments in the leaching process in a lithium treatment tank for reaction to generate lithium chloride, calcium fluoride and magnesium fluoride sediments which do not react with the hydrochloric acid.
And the first filter 32 is connected with the discharge hole of the lithium treatment tank 31 and is used for performing solid-liquid separation on the mixed material in the lithium treatment tank 31 to generate calcium fluoride and magnesium fluoride precipitates which do not react with hydrochloric acid, and filtering calcium fluoride and magnesium fluoride residues.
And a carbonation reaction tank 33 connected to the outlet end of the first filter 32 for performing carbonation reaction on the LiCl solution filtered by the first filter 32. And adding solid sodium carbonate into the LiCl solution for carbonation reaction to obtain lithium carbonate precipitate.
And a second filter 34 connected to the discharge port of the carbonation reaction tank 33 for filtering the lithium carbonate precipitate.
And the second flash evaporation dryer 35 is connected with the slag outlet of the second filter 34 and used for performing flash evaporation drying on the lithium carbonate precipitate. A cloth bag dust collector is also arranged at the top end of the second flash evaporation dryer 35, and dust generated in the drying process is collected by the cloth bag and is sold as a product.
And the nickel-cobalt powder after the crushing and sorting of the battery is subjected to a leaching process, an extraction process and a lithium carbonate production process in sequence, and finally flash evaporation and drying are carried out to obtain a lithium carbonate product.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. The utility model provides a broken material extraction system of old and useless battery cell which characterized in that includes:
the leaching device (1) is used for removing aluminum and iron from the nickel-cobalt powder after the batteries are crushed and sorted;
the extraction device (2) is connected with the liquid outlet end of the leaching device (1) and is used for extracting the leached filtrate to obtain nickel sulfate, cobalt sulfate and manganese sulfate products; and
the lithium carbonate production device (3) is connected with the slag discharging end of the leaching device (1) and is used for processing leached fluoride sediments to obtain lithium carbonate;
the discharge end of extraction device (2) is connected with sulfate crystallization kettle (24) that is used for carrying out concentrated crystallization with the nickel sulfate, cobalt sulfate, the manganese sulfate solution that the extraction obtained respectively, and the discharge end of sulfate crystallization kettle (24) is connected and is provided with first flash distillation drying-machine (25) that is used for carrying out fast drying with the sulfate after the crystallization, and the top of first flash distillation drying-machine (25) is provided with the sack dust collector.
2. The crushed waste battery extraction system according to claim 1, wherein the leaching device (1) comprises:
the leaching tank (11) is used for adding concentrated sulfuric acid and hydrogen peroxide to carry out acid leaching on the nickel-cobalt powder;
the first impurity removal tank (13) is used for mixing the materials subjected to acid leaching in the leaching tank (11) with sodium carbonate from the sodium carbonate preparation tank so as to enable aluminum, iron and sodium carbonate to react to generate iron slag and aluminum slag;
the first filter press (14) is used for carrying out solid-liquid separation on the mixed materials in the first impurity removing groove (13);
the first washing tank (15) is connected with a slag outlet of the first filter press (14) and is used for washing filter residues obtained after solid-liquid separation of the first filter press (14) to obtain iron slag and aluminum slag;
the second impurity removal tank (16) is used for mixing the filtrate obtained after solid-liquid separation of the first filter press (14) with the added sodium fluoride, so that calcium, magnesium and lithium in the filtrate react with the sodium fluoride to generate calcium fluoride, magnesium fluoride and lithium fluoride sediments;
the liquid outlet of the second filter press (17) is connected with the extraction device (2), and the second filter press (17) is used for carrying out solid-liquid separation on the mixed material in the second impurity removing groove (16); and
the second washing tank (18) is connected with a slag outlet of the second filter press (17) and is used for washing the filter residue after solid-liquid separation of the second filter press (17) to obtain fluoride sediment; and the slag outlet of the second washing tank (18) is connected with a lithium carbonate production device (3).
3. The crushed waste battery cell extraction system according to claim 2, wherein a first pipeline for introducing the slag washing water in the first washing tank (15) into the first impurity removal tank (13) is connected between the first washing tank (15) and the first impurity removal tank (13), and a first delivery pump is arranged on the first pipeline.
4. The crushed waste battery cell extraction system according to claim 2, wherein the extraction device (2) comprises:
a plurality of manganese sulfate extraction boxes (21) are sequentially connected and connected with the liquid outlet of the second filter press (17) and used for adding a P204 extractant to extract the leaching solution to obtain a P204 raffinate and a P204 loaded organic phase, and adding sulfuric acid to back-extract the P204 loaded organic phase to obtain a manganese sulfate product;
the cobalt sulfate extraction boxes (22) are sequentially connected and provided with a plurality of cobalt sulfate extraction boxes, are connected with raffinate outlets of the manganese sulfate extraction boxes (21), and are used for adding a P507 extracting agent to extract P204 raffinate discharged from the manganese sulfate extraction boxes (21) to obtain P507 raffinate and a P507 loaded organic phase, and adding sulfuric acid to perform back extraction on the P507 loaded organic phase to obtain a cobalt sulfate product; and
and the nickel sulfate extraction boxes (23) are sequentially connected and provided with a plurality of raffinate outlets, are connected with the raffinate outlets of the cobalt sulfate extraction boxes (22), and are used for adding a P204 extractant to extract P507 raffinate discharged from the cobalt sulfate extraction boxes (22) to obtain a P204 loaded organic phase, and adding sulfuric acid to perform back extraction on the P204 loaded organic phase to obtain a nickel sulfate product.
5. The system for extracting crushed materials of waste single batteries according to claim 4, wherein three sulfate crystallization kettles (24) are arranged and are respectively connected with discharge ends of a manganese sulfate extraction box (21), a cobalt sulfate extraction box (22) and a nickel sulfate extraction box (23).
6. The crushed waste battery cell extraction system according to claim 4, wherein a second pipeline for introducing the slag washing water in the second washing tank (18) into the manganese sulfate extraction box (21) is arranged between the second washing tank (18) and the manganese sulfate extraction box (21), and a second delivery pump is arranged on the second pipeline.
7. The crushed waste battery cell extraction system according to claim 2, wherein the lithium carbonate production device (3) comprises:
the lithium treatment tank (31) is connected with a slag outlet of the second washing tank (18) and is used for carrying out chlorination reaction on the fluoride sediments;
the first filter (32) is connected with a discharge hole of the lithium treatment tank (31) and is used for carrying out solid-liquid separation on the mixed material in the lithium treatment tank (31);
the carbonation reaction tank (33) is connected with the liquid outlet end of the first filter (32) and is used for carrying out carbonation reaction on the solution filtered by the first filter (32) to obtain lithium carbonate precipitate;
the second filter (34) is connected with the discharge hole of the carbonation reaction tank (33) and is used for filtering the lithium carbonate precipitate; and
and the second flash evaporation dryer (35) is connected with the slag outlet of the second filter (34) and is used for carrying out flash evaporation drying on the lithium carbonate precipitate.
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| CN202122155176.2U CN215896509U (en) | 2021-09-07 | 2021-09-07 | Broken material extraction system of old and useless battery cell |
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| CN202122155176.2U CN215896509U (en) | 2021-09-07 | 2021-09-07 | Broken material extraction system of old and useless battery cell |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115108673A (en) * | 2022-08-31 | 2022-09-27 | 深圳永清水务有限责任公司北京分公司 | Recycling process for ferric phosphate mother liquor produced by oxidation method |
| WO2024000868A1 (en) * | 2022-06-27 | 2024-01-04 | 广东邦普循环科技有限公司 | Self-cleaning filter press for waste battery recycling capable of avoiding material caking |
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2021
- 2021-09-07 CN CN202122155176.2U patent/CN215896509U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024000868A1 (en) * | 2022-06-27 | 2024-01-04 | 广东邦普循环科技有限公司 | Self-cleaning filter press for waste battery recycling capable of avoiding material caking |
| CN115108673A (en) * | 2022-08-31 | 2022-09-27 | 深圳永清水务有限责任公司北京分公司 | Recycling process for ferric phosphate mother liquor produced by oxidation method |
| CN115108673B (en) * | 2022-08-31 | 2022-12-06 | 深圳永清水务有限责任公司 | Recycling process for ferric phosphate mother liquor produced by oxidation method |
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