CN218665444U - System for preparing ternary precursor by wet recovery of waste lithium battery - Google Patents
System for preparing ternary precursor by wet recovery of waste lithium battery Download PDFInfo
- Publication number
- CN218665444U CN218665444U CN202222073219.7U CN202222073219U CN218665444U CN 218665444 U CN218665444 U CN 218665444U CN 202222073219 U CN202222073219 U CN 202222073219U CN 218665444 U CN218665444 U CN 218665444U
- Authority
- CN
- China
- Prior art keywords
- reaction tank
- ammonia
- leaching
- filter press
- pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
Landscapes
- Battery Electrode And Active Subsutance (AREA)
Abstract
The utility model discloses a system for preparing a ternary precursor by wet recovery of waste lithium batteries, which comprises a positive electrode material pretreatment device and a conveyor which are connected, and further comprises a primary acid leaching system, a secondary ammonia leaching system, a ternary precursor preparation system and a lithium carbonate recovery system which are connected in sequence; the primary acid leaching system comprises a sulfur dioxide generator and an acid leaching reaction tank which are connected, the secondary ammonia leaching system comprises an ammonia leaching agent preparation device and an ammonia leaching reaction tank which are connected, and the ammonia leaching agent preparation device is connected with the sulfur dioxide generator through a pipeline; the utility model discloses a mode that acid leaching system and ammonia leaching system combined together retrieves valuable metals such as cobalt nickel manganese lithium in old and useless ternary lithium cell to preparation ternary precursor material and lithium carbonate can return battery manufacturer's recycle as the raw materials, has both realized the resourceful recovery of old and useless lithium cell, has reduced recovery system's manufacturing cost and battery manufacturer's manufacturing cost again, is suitable for the industrialization application and popularization.
Description
Technical Field
The utility model belongs to old and useless battery material retrieves and cyclic utilization system field, concretely relates to old and useless lithium cell wet process retrieves system of preparation ternary precursor.
Background
With the development of the power automobile industry, the output and the demand of the lithium ion battery are increased year by year, and the scrappage of the power battery is increased year by year due to the effective service life of the lithium ion battery being 5-8 years, so that 35 ten thousand tons of waste lithium ion batteries are expected to be generated in 2025 years. In addition, the waste lithium ion batteries contain valuable metals such as Li, ni, co, mn, cu and the like, and the metals are expensive, so that the waste lithium ion batteries are efficiently and environmentally recycled, the environmental pressure can be solved, and considerable economic benefits can be brought.
The recovery process of the nickel-cobalt-manganese ternary lithium battery is mainly divided into a pyrogenic process and a wet process, wherein the pyrogenic process is generally used for directly smelting the waste lithium ion battery at high temperature to generate metal alloy, and then extracting valuable metals from the alloy, such as IEM of the department of beauty and germany in belgium. The wet process firstly disassembles and sorts the waste batteries, the obtained anode waste is leached by sulfuric acid, a certain amount of reducing agent is required to be added during leaching, and sulfate products of nickel, cobalt and manganese are obtained by purifying and extracting the leachate. The traditional wet process has the defects that a reducing agent is required to be added in the acid leaching process, the cost is high, the flow of the nickel-cobalt-manganese extraction separation process is long, and the operation is complex. In addition, the Li concentration in the raffinate after extracting the nickel, cobalt and manganese is lower, so that the lithium recovery rate is reduced.
In the prior art, CN114480850 patent provides a method and a system for recovering valuable metals from waste lithium ion battery anode materials by pressure reduction, comprising a size mixing tank, a charging pump, an autoclave and a flash tank which are connected in sequence, the system has the advantages of high leaching rate, short reaction time, small acid consumption, no consumption of other reducing agents, and the like, but the adoption of the autoclave increases energy consumption, the production cost is higher, and the safety of system operation is not high, thereby limiting further industrial application.
At present, the research on a waste lithium battery recovery device system is not much, and a conventional process and conventional equipment are mostly adopted, so that the production efficiency is low, the product purity is low, and the like. Therefore, an efficient, safe and economic device system for recycling waste batteries is urgently needed to improve the production efficiency and the product purity of lithium battery recycling.
SUMMERY OF THE UTILITY MODEL
The above-mentioned not enough to prior art exists, the utility model aims to provide a system for old and useless lithium cell wet recovery preparation ternary precursor, through the mode that adopts acid leaching system and ammonia leaching system to combine together, valuable metals such as cobalt nickel manganese lithium in the old and useless ternary lithium cell are retrieved, and preparation ternary precursor material and lithium carbonate, can return battery manufacturer's recycle as the raw materials, the resourceful recovery of old and useless lithium cell has both been realized, the manufacturing cost of recovery system and battery manufacturer's manufacturing cost has been reduced again, be suitable for the industrialization application and popularization. In order to realize the purpose, the utility model discloses a technical scheme as follows:
according to one aspect of the utility model, the utility model provides a system for preparing a ternary precursor by wet recovery of waste lithium batteries, which comprises a positive electrode material pretreatment device and a conveyor which are connected, and further comprises a primary acid leaching system, a secondary ammonia leaching system, a ternary precursor preparation system and a lithium carbonate recovery system which are connected in sequence; the primary acid leaching system comprises a sulfur dioxide generator and an acid leaching reaction tank which are connected, a discharge hole of the anode material pretreatment device is connected with a feed inlet of the acid leaching reaction tank through a conveyor, and the feed inlet of the acid leaching reaction tank is connected with one end of the conveyor; the secondary ammonia leaching system comprises an ammonia leaching agent preparation device and an ammonia leaching reaction tank which are connected, wherein the ammonia leaching agent preparation device is connected with the sulfur dioxide generator through a pipeline.
Preferably, the primary acid leaching system further comprises an acid leaching filter press, a feed inlet of the acid leaching filter press is connected with the acid leaching reaction tank through a pipeline, and a slag outlet of the acid leaching filter press is connected with a feed inlet at the top of the ammonia leaching reaction tank.
Preferably, the bottom of the acid leaching reaction tank is provided with a first aeration pipe, and one end of the first aeration pipe is connected with the sulfur dioxide generator through a pipeline.
Preferably, the secondary ammonia leaching system further comprises an ammonia leaching filter press, a feed inlet of the ammonia leaching filter press is connected with the ammonia leaching reaction tank through a pipeline, and a liquid outlet of the ammonia leaching filter press is connected with the ternary precursor preparation system; the ammonia leaching agent preparation device comprises an ammonia water storage tank and an ammonium sulfite reaction tank which are connected, the ammonia water storage tank is connected with the ternary precursor preparation system through a pipeline, the ammonium sulfite reaction tank is connected with the sulfur dioxide generator through a pipeline, and the ammonia water storage tank and the ammonium sulfite reaction tank are both connected with the ammonia leaching reaction tank through a pipeline.
Preferably, a second aeration pipe is arranged at the bottom of the ammonium sulfite reaction tank, and one end of the second aeration pipe is connected with the sulfur dioxide generator through a pipeline.
Preferably, the ternary precursor preparation system comprises an impurity removal reaction tank, an impurity removal filter press, a coprecipitation reaction tank, an ammonia absorption tower, a coprecipitation filter press, a first conveying mechanism and a first drying device, wherein a liquid inlet of the impurity removal reaction tank is connected with a liquid outlet of the acid leaching filter press through a pipeline, a discharge port of the impurity removal reaction tank is connected with a feed port of the impurity removal filter press through a pipeline, and the liquid outlet of the impurity removal filter press and the liquid outlet of the ammonia leaching filter press are both connected with the feed port of the coprecipitation reaction tank through pipelines; coprecipitation reaction tank top gas outlet and ammonia absorption tower pass through the tube coupling, ammonia absorption tower liquid outlet passes through the tube coupling with the aqueous ammonia storage tank, coprecipitation reaction tank bottom discharge gate and coprecipitation pressure filter feed inlet pass through the tube coupling, the liquid outlet of coprecipitation pressure filter passes through the pipeline and is connected with lithium carbonate recovery system, coprecipitation pressure filter discharge gate through first conveying mechanism with first drying device connects.
Preferably, lithium carbonate recovery system is including sinking lithium reaction tank, sinking lithium pressure filter, second conveying mechanism and second drying device, it passes through the tube coupling with the pressure filter liquid outlet that deposits altogether to sink lithium reaction tank feed inlet, it passes through the tube coupling with the pressure filter feed inlet that sinks lithium reaction tank bottom discharge gate, sink lithium pressure filter discharge gate through second conveying mechanism with second drying device connects.
Preferably, the lower parts of the ammonia water storage tank and the ammonium sulfite reaction tank are flat bottoms, the lower parts of the acid leaching reaction tank, the ammonia leaching reaction tank, the impurity removal reaction tank, the coprecipitation reaction tank and the lithium deposition reaction tank are all provided with cone structures, and the outer surface of the coprecipitation reaction tank is coated with a heating sheet.
The utility model has the advantages that:
1. the system adopts the sulfur dioxide generator to generate sulfur dioxide as a reactant of the acid leaching agent and the ammonia leaching agent, thereby not only playing the role of the leaching agent, but also playing the role of the reducing agent, and greatly reducing the medicament cost in the production and recovery process.
2. The utility model discloses a mode that acid leaching system and ammonia leaching system combined together, valuable metals such as cobalt nickel manganese lithium in the old and useless ternary lithium cell are retrieved, cobalt, the leaching rate of lithium can reach more than 99%, nickel, the leaching rate of manganese can reach more than 97%, and preparation ternary precursor material and lithium carbonate, can return battery manufacturer's used as the raw materials and circulate, the resourceful recovery of old and useless lithium cell has both been realized, recovery system's manufacturing cost and battery manufacturer's manufacturing cost has been reduced again, be suitable for the industrialization application and popularization.
3. The utility model discloses a cobalt nickel manganese among the recovery anode material of coprecipitation recovery system, lithium then exists in the solution to realize the separation of cobalt nickel manganese ternary material and lithium. The ammonia gas generated in the system can be further recovered to obtain ammonia water while caustic alkali coprecipitation is added, and the ammonia water can be used for an ammonia leaching agent preparation system and an ammonia leaching system, so that the recovery and internal circulation of a process product are realized, and the process production cost is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a system for preparing a ternary precursor by wet recovery of a waste lithium battery.
Wherein, 1-a positive electrode material pretreatment device; 2-a conveyor; 3-acid leaching reaction tank; 4-a first aeration pipe; 5-sulfur dioxide generator; 6-acid leaching filter press; 7-ammonia leaching reaction tank; 8-impurity removal reaction tank; 9-impurity removal filter press; 10-ammonia leaching filter press; 11-coprecipitation reaction tank; 12-an ammonia absorber; 13-coprecipitation filter press; 14-a first conveying mechanism; 15-a first drying device; 16-lithium deposition reaction tank; 17-lithium deposition filter press; 18-a second conveying mechanism; 19-a second drying device; 20-ammonia water storage tank; 21-ammonium sulfite reaction tank; 22-a second aerator pipe; 23-heating plate.
Detailed Description
In the following description of the preferred embodiments of the present invention, reference is made to the accompanying drawings for illustrating and explaining the preferred embodiments of the present invention, it being understood that the preferred embodiments are described herein only for the purpose of illustrating and explaining the present invention, and are not intended to limit the present invention.
Example 1:
as shown in fig. 1. A system for preparing a ternary precursor by wet recovery of waste lithium batteries comprises a positive electrode material pretreatment device 1 and a conveyor 2 which are connected, and further comprises a primary acid leaching system, a secondary ammonia leaching system, a ternary precursor preparation system and a lithium carbonate recovery system which are sequentially connected; the primary acid leaching system comprises an acid leaching reaction tank 3, a sulfur dioxide generator 5 and an acid leaching filter press 6, wherein a discharge hole of the anode material pretreatment device 1 is connected with a feed hole of the acid leaching reaction tank 3 through a conveyor 2, a first aeration pipe 4 is arranged at the bottom of the acid leaching reaction tank 3, and one end of the first aeration pipe 4 is connected with the sulfur dioxide generator 5 through a pipeline; the bottom of the acid leaching reaction tank 3 is connected with a top feed inlet of the acid leaching filter press 6 through a pipeline. The secondary ammonia leaching system comprises an ammonia leaching reaction tank 7, an ammonia leaching filter press 10, an ammonia water storage tank 20 and an ammonium sulfite reaction tank 21, wherein the ammonia leaching reaction tank 7, the ammonia leaching filter press 10, the ammonia water storage tank 20 and the ammonium sulfite reaction tank 21 are connected, and the ammonia water storage tank 20 and the ammonium sulfite reaction tank 21 are connected with the ammonia leaching reaction tank 7 through pipelines. The bottom of the ammonium sulfite reaction tank 21 is provided with a second aeration pipe 22, and one end of the second aeration pipe 22 is connected with the sulfur dioxide generator 5 through a pipeline.
The ternary precursor preparation system comprises an impurity removal reaction tank 8, an impurity removal filter press 9, a coprecipitation reaction tank 11, an ammonia absorption tower 12, a coprecipitation filter press 13, a first conveying mechanism 14 and a first drying device 15. The liquid inlet of the impurity removal reaction tank 8 is connected with the liquid outlet of the acid leaching filter press 6 through a pipeline, the discharge outlet of the impurity removal reaction tank 8 is connected with the feed inlet of the impurity removal filter press 9 through a pipeline, and the liquid outlet of the impurity removal filter press 9 and the liquid outlet of the ammonia leaching filter press 10 are connected with the feed inlet of the co-precipitation reaction tank 11 through a pipeline. The outer surface of the coprecipitation reaction tank 11 is coated with a heating sheet 23, a top air outlet of the coprecipitation reaction tank 11 is connected with the ammonia absorption tower 12 through a pipeline, a liquid outlet of the ammonia absorption tower 12 is connected with the ammonia water storage tank 20 through a pipeline, a bottom discharge port of the coprecipitation reaction tank 11 is connected with a feed port of the coprecipitation filter press 13 through a pipeline, and a bottom discharge port of the coprecipitation filter press 13 is connected with a top feed port of the first drying device 15 through a first conveying mechanism 14.
The lithium carbonate recovery system comprises a lithium deposition reaction tank 16, a lithium deposition filter press 17, a second conveying mechanism 18 and a second drying device 19, wherein a feed inlet of the lithium deposition reaction tank 16 is connected with a liquid outlet of the co-deposition filter press 13 through a pipeline, a discharge outlet at the bottom of the lithium deposition reaction tank 16 is connected with a feed inlet of the lithium deposition filter press 17 through a pipeline, and a discharge outlet of the lithium deposition filter press 17 is connected with the second drying device 19 through the second conveying mechanism 18.
The utility model discloses in the system, the lower part that acid leaching reaction tank 3, ammonia leached reaction tank 7, edulcoration reaction tank 8, coprecipitation reaction tank 11 and heavy lithium reaction tank 16 all is equipped with centrum structure, and aqueous ammonia storage tank 20 and 21 lower parts of ammonium sulfite reaction tank are flat. The utility model discloses a system is at the during operation, disassemble ternary lithium cell through anode material preprocessing device 1 earlier, breakage etc, it gets into acid leaching reaction tank 3 to obtain the powder and carry through conveyer 2 again, and simultaneously, the sulfur dioxide gas that sulfur dioxide generator 5 produced also lets in acid leaching reaction tank 3, aerate through first aeration pipe 4 that the bottom was equipped with, carry out one-level acid leaching reaction, after the reaction finishes, squeeze into the thick liquid into acid leaching pressure filter 6 through the pump and carry out the filter-pressing, the acid leaching liquid that obtains deposits the edulcoration through edulcoration reaction tank 8, rethread edulcoration filter-pressing obtains edulcoration back liquid and waste copper sediment; the obtained acid leaching residue directly falls into an ammonia leaching reaction tank 7. Pumping ammonia water in an ammonia water storage tank 20 into an ammonium sulfite reaction tank 21 by a pump, introducing sulfur dioxide gas generated by a sulfur dioxide generator 5, aerating through a second aeration pipe 22 at the bottom, reacting to generate ammonium sulfite, pumping an ammonium sulfite solution and ammonia water into an ammonia leaching reaction tank 7 according to a certain proportion and concentration, carrying out secondary ammonia leaching reaction, pumping slurry into an ammonia leaching filter press 10 by a pump after the reaction is finished, and carrying out filter pressing on the obtained ammonia leaching solution and ammonia leaching residues to carry out subsequent treatment. The solution after impurity removal and the ammonia immersion liquid are merged and enter a coprecipitation reaction tank 11, the outer surface of the coprecipitation reaction tank 11 is coated with 1 circle of heating sheets 23, coprecipitation reaction is carried out under the heating condition, ammonia gas is released, and the ammonia gas enters an ammonia water storage tank 20 through absorption, so that the purpose of internal circulation recycling is achieved. And pumping the slurry into a coprecipitation filter press 13 through a pump after the coprecipitation reaction is finished for filter pressing, drying the obtained coprecipitate to obtain a ternary precursor material, feeding the obtained filtrate into a lithium precipitation reaction tank 16, adding a medicament for reaction to obtain lithium carbonate, performing filter pressing through a lithium precipitation filter press 17 to obtain a solid substance, and drying the solid substance to obtain a lithium carbonate product.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements can be made without departing from the principle of the present invention, and these improvements should also be regarded as the protection scope of the present invention.
Claims (7)
1. A system for preparing a ternary precursor by wet recovery of waste lithium batteries comprises a positive electrode material pretreatment device and a conveyor which are connected, and is characterized by further comprising a primary acid leaching system, a secondary ammonia leaching system, a ternary precursor preparation system and a lithium carbonate recovery system which are sequentially connected; the primary acid leaching system comprises a sulfur dioxide generator and an acid leaching reaction tank which are connected, and a discharge hole of the anode material pretreatment device is connected with a feed inlet of the acid leaching reaction tank through a conveyor; the secondary ammonia leaching system comprises an ammonia leaching agent preparation device and an ammonia leaching reaction tank which are connected, wherein the ammonia leaching agent preparation device is connected with the sulfur dioxide generator through a pipeline; the primary acid leaching system also comprises an acid leaching filter press, wherein a feed inlet of the acid leaching filter press is connected with the acid leaching reaction tank through a pipeline, and a slag outlet of the acid leaching filter press is connected with a feed inlet at the top of the ammonia leaching reaction tank.
2. The system for preparing the ternary precursor by wet recycling of the waste lithium battery as claimed in claim 1, wherein a first aeration pipe is arranged at the bottom of the acid leaching reaction tank, and one end of the first aeration pipe is connected with the sulfur dioxide generator through a pipeline.
3. The system for preparing the ternary precursor by wet recovery of the waste lithium batteries according to claim 1, wherein the secondary ammonia leaching system further comprises an ammonia leaching filter press, a feed inlet of the ammonia leaching filter press is connected with the ammonia leaching reaction tank through a pipeline, and a liquid outlet of the ammonia leaching filter press is connected with the ternary precursor preparation system; the ammonia leaching agent preparation device comprises an ammonia water storage tank and an ammonium sulfite reaction tank which are connected, the ammonia water storage tank is connected with the ternary precursor preparation system through a pipeline, the ammonium sulfite reaction tank is connected with the sulfur dioxide generator through a pipeline, and the ammonia water storage tank and the ammonium sulfite reaction tank are both connected with the ammonia leaching reaction tank through a pipeline.
4. The system for preparing the ternary precursor by wet recycling of the waste lithium battery as claimed in claim 3, wherein a second aeration pipe is arranged at the bottom of the ammonium sulfite reaction tank, and one end of the second aeration pipe is connected with the sulfur dioxide generator through a pipeline.
5. The system for preparing the ternary precursor by wet recycling of the waste lithium batteries according to claim 3, wherein the ternary precursor preparation system comprises an impurity removal reaction tank, an impurity removal filter press, a coprecipitation reaction tank, an ammonia absorption tower, a coprecipitation filter press, a first conveying mechanism and a first drying device, wherein a liquid inlet of the impurity removal reaction tank is connected with a liquid outlet of the acid leaching filter press through a pipeline, a discharge outlet of the impurity removal reaction tank is connected with a feed inlet of the impurity removal filter press through a pipeline, and the liquid outlet of the impurity removal filter press and the liquid outlet of the ammonia leaching filter press are both connected with the feed inlet of the coprecipitation reaction tank through a pipeline; coprecipitation reaction tank top gas outlet passes through the tube coupling with the ammonia absorption tower, ammonia absorption tower liquid outlet passes through the tube coupling with the aqueous ammonia storage tank, coprecipitation reaction tank bottom discharge gate passes through the tube coupling with coprecipitation pressure filter feed inlet, the liquid outlet of coprecipitation pressure filter passes through the pipeline and is connected with lithium carbonate recovery system, coprecipitation pressure filter discharge gate through a conveying mechanism with first drying device connects.
6. The system for preparing the ternary precursor through wet recovery of the waste lithium batteries according to claim 5, wherein the lithium carbonate recovery system comprises a lithium precipitation reaction tank, a lithium precipitation filter press, a second conveying mechanism and a second drying device, a feed port of the lithium precipitation reaction tank is connected with a liquid outlet of the co-precipitation filter press through a pipeline, a discharge port at the bottom of the lithium precipitation reaction tank is connected with a feed port of the lithium precipitation filter press through a pipeline, and a discharge port of the lithium precipitation filter press is connected with the second drying device through the second conveying mechanism.
7. The system for preparing the ternary precursor by wet recycling of the waste lithium batteries according to claim 6, wherein the lower parts of the ammonia water storage tank and the ammonium sulfite reaction tank are flat, the lower parts of the acid leaching reaction tank, the ammonia leaching reaction tank, the impurity removal reaction tank, the co-precipitation reaction tank and the lithium deposition reaction tank are respectively provided with a cone structure, and the outer surface of the co-precipitation reaction tank is coated with a heating sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222073219.7U CN218665444U (en) | 2022-08-08 | 2022-08-08 | System for preparing ternary precursor by wet recovery of waste lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222073219.7U CN218665444U (en) | 2022-08-08 | 2022-08-08 | System for preparing ternary precursor by wet recovery of waste lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218665444U true CN218665444U (en) | 2023-03-21 |
Family
ID=85555899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222073219.7U Active CN218665444U (en) | 2022-08-08 | 2022-08-08 | System for preparing ternary precursor by wet recovery of waste lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218665444U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116231144A (en) * | 2023-05-09 | 2023-06-06 | 安徽中科新能智能科技有限公司 | Lithium battery material recycling integrated regeneration method and equipment |
-
2022
- 2022-08-08 CN CN202222073219.7U patent/CN218665444U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116231144A (en) * | 2023-05-09 | 2023-06-06 | 安徽中科新能智能科技有限公司 | Lithium battery material recycling integrated regeneration method and equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104659438B (en) | A kind of method that utilization refuse battery prepares ternary anode material precursor | |
| CN109449434A (en) | A method of ternary anode material of lithium battery presoma is prepared using waste and old lithium ion battery | |
| CN108011150A (en) | A kind of method that lithium carbonate is produced from waste and old ternary lithium ion cell electrode powder | |
| CN218665444U (en) | System for preparing ternary precursor by wet recovery of waste lithium battery | |
| CN111613847A (en) | Method and system for efficiently recovering lithium from lithium ion battery anode material | |
| CN113526546B (en) | System and method for preparing battery-grade lead oxide through clean conversion of waste lead paste | |
| CN208018345U (en) | Lithium battery tertiary presoma dried dust recovery system | |
| CN106893859B (en) | A method of processing nickel cobalt waste material | |
| CN101545115A (en) | Method for producing electrolytic zinc from zinc oxide-containing materials | |
| CN110527837B (en) | Efficient leaching method of battery positive electrode material | |
| CN112095008A (en) | Efficient clean leaching method for failed lithium ion battery positive electrode material | |
| CN107221723A (en) | A kind of method that biological fermentation process reclaims lead in lead accumulator | |
| CN103757355A (en) | Leaching method of nickel cobalt lithium manganate waste battery positive-negative electrode mixed material | |
| CN114480850B (en) | Method and system for recycling valuable metals in waste lithium ion battery anode materials through pressurized reduction | |
| CN111170359A (en) | Device and process for preparing red lead from desulfurized lead | |
| CN213596351U (en) | Three-step continuous leaching device for ternary anode material | |
| CN215249599U (en) | Ammonia recovery system of ternary precursor waste water | |
| CN209306965U (en) | A kind of water-saving preparation system of tertiary cathode material hydroxide precursor | |
| CN211079292U (en) | Low-cost processing apparatus of nickel hydroxide cobalt sediment | |
| CN207602724U (en) | A kind of system for continuously recycling waste and old ternary lithium ion battery | |
| CN101880773A (en) | Manufacturing process for producing synthetic reducing agent by using waste slag of electrolytic manganese and application of synthetic reducing agent | |
| CN108103526B (en) | A method of utilizing electrolytic aluminium aluminium ash purifying electrolysis aluminium flue gas and recycling bauxite resource | |
| CN115571925B (en) | Method for recycling and preparing lithium carbonate and ternary precursor from waste lithium batteries | |
| CN104562082A (en) | Method for preparing copper-containing solution by dissolving waste copper | |
| CN220393326U (en) | Efficient regeneration system for waste lithium iron phosphate powder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |