CN109494423B - Lithium ion battery negative pole lithium recovery processing device - Google Patents
Lithium ion battery negative pole lithium recovery processing device Download PDFInfo
- Publication number
- CN109494423B CN109494423B CN201811276975.1A CN201811276975A CN109494423B CN 109494423 B CN109494423 B CN 109494423B CN 201811276975 A CN201811276975 A CN 201811276975A CN 109494423 B CN109494423 B CN 109494423B
- Authority
- CN
- China
- Prior art keywords
- chamber
- lithium
- ion battery
- box body
- lithium ion
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/54—Reclaiming serviceable parts of waste accumulators
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B26/00—Obtaining alkali, alkaline earth metals or magnesium
- C22B26/10—Obtaining alkali metals
- C22B26/12—Obtaining lithium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/006—Wet processes
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
-
- 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
Abstract
The invention is suitable for the field of lithium battery recovery, and provides a lithium ion battery negative electrode lithium recovery processing device, wherein a drying chamber, a stirring chamber and a filter pressing chamber are sequentially arranged in the device from top to bottom, and a negative electrode sheet to be processed is respectively subjected to electrolyte drying, separation of the electrode sheet and active substances, and filter pressing and drying processing to obtain a formed active material with extremely high lithium content.
Description
Technical Field
The invention belongs to the field of lithium battery recovery, and particularly relates to a lithium recovery processing device for a lithium ion battery cathode.
Background
The lithium ion battery as a rechargeable battery has the unique advantages of high specific energy, small volume, light weight, wide application temperature range, long cycle life, good safety performance and the like, and people inevitably generate a large amount of waste batteries while using a large amount of lithium ion batteries.
The lithium ion battery cathode material mainly comprises a carbon cathode material, a tin-based cathode material, a lithium-containing transition metal nitride cathode material, an alloy cathode material, a nano-scale material and the like, but the carbon cathode material is most widely applied at present, other materials are not commercially applied in a large scale, and the cathode material related to the invention is the carbon cathode material. During normal discharge of the lithium ion battery, Li + is removed from the negative electrode material and is embedded into the positive electrode material after passing through the electrolyte and the diaphragm. The battery is scrapped under the normal use condition, the electric quantity of the battery can be basically and completely discharged through methods such as saline water soaking, and the like, and the lithium-containing quantity in the negative electrode material is extremely small and can be ignored. If the Li + can not normally generate the 'insertion-extraction' reaction due to the internal circuit break of the battery or other reasons in the use process of the battery and the battery after puncture inspection in a battery factory, the Li + in the negative plate can not be extracted through the conventional procedures such as brine discharge and the like. In the process of recovering the metallic lithium of the waste lithium ion battery, the lithium ion battery needs to be disassembled, then the electrolyte on the negative plate is removed, the negative active substance is separated from the negative plate to be used as the anode, and finally the anode is electrified and reduced to obtain the metallic lithium.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a lithium ion battery negative electrode lithium recovery processing device, which solves the technical problem of single structure and function of the conventional lithium metal recovery device for waste lithium ion batteries, and improves the recovery efficiency of lithium in the waste lithium batteries.
The technical scheme of the invention is as follows:
a lithium ion battery negative pole lithium recovery processing apparatus, includes the box, from last drying chamber, teeter chamber, the filter pressing room that down is in proper order in the box, the roof inboard of drying chamber is provided with heating device downwards, be provided with a blow vent and an exhaust port on the lateral wall of drying chamber, the drying chamber with two switch door wall about through the level setting between the teeter chamber, the teeter chamber with be the filter screen between the filter pressing room, be provided with a water inlet and a side door that corresponds with the filter screen position on the lateral wall of teeter chamber, the filter pressing room is the radius platform type and bottom central authorities open there is the filter pressing mouth, the below of filter pressing mouth is the filter pressing recess, open the filter mouth above the filter pressing recess lateral wall, install the water strainer on the filter mouth, the filter mouth outwards communicates the drainage passageway that has the downward sloping, the bottom of the filter-pressing groove is provided with a heating plate, a sealing ring is upwards formed on one circle of the periphery of the heating plate, the inner diameter of the sealing ring is just matched with the outer diameter of the filter-pressing groove, a first lifting device for driving the heating plate to move up and down is arranged below the heating plate, a motor is arranged above the box body, a driving shaft of the motor is vertically downward and is connected with a stirring rod, the stirring rod penetrates into the box body, a water filtering piston and a stirring paddle are sequentially fixed on the stirring rod from the bottom end to the top end of the box body, a chute is further arranged on the top wall of the box body, the motor is arranged on the chute, a second lifting device for driving the motor to move up and down is further arranged on the chute, when the motor moves up to the highest position, the stirring paddle and the water filtering piston are positioned in the, and a blanking box communicated with the drying chamber is further arranged above the box body, and a sealing door is arranged at the communicated part.
Specifically, first, second elevating gear is the pneumatic cylinder, and the pneumatic cylinder includes cylinder body and telescopic link, second elevating gear's telescopic link end with the motor bottom is contradicted, the below of hot plate still is provided with bears the baffle, first elevating gear's telescopic link end with the bottom of bearing the baffle is contradicted.
Specifically, a limiting pipe with a certain length is arranged downwards between the stirring rod and the top wall of the box body, and the stirring rod penetrates through the limiting pipe.
Specifically, the stirring rod is provided with a blade positioned in the drying chamber.
Specifically, the vent is located at a position close to the upper side of the drying chamber, and the exhaust port is located at a position close to the lower side of the drying chamber.
Specifically, the filter-pressing groove with the contact edge of filter-pressing mouth, the switch door with the contact surface of puddler, spacing pipe with all be provided with the sealing washer between the puddler.
The invention has the beneficial effects that: the lithium ion battery negative electrode lithium recovery processing device provided by the invention is sequentially provided with the drying chamber, the stirring chamber and the filter pressing chamber from top to bottom, the negative electrode plate to be processed is respectively subjected to electrolyte drying, separation of the electrode plate and active substances, and filter pressing and drying processing to obtain the formed active material with extremely high lithium content, the mass production can be realized, even the shape and the size of the filter pressing groove can be set according to the size requirement, when the subsequent recovery operation is carried out, the metal lithium can be conveniently recovered only by taking the filter pressing groove as the anode to carry out electrolytic reduction reaction, and the recovery and utilization efficiency of the metal lithium of the waste lithium ion battery is obviously improved.
Drawings
Fig. 1 is a schematic structural diagram of a lithium recovery processing device for a lithium ion battery negative electrode according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
A lithium ion battery cathode lithium recovery processing device, as shown in figure 1, comprises a box body 1, a drying chamber 2, a stirring chamber 3 and a filter pressing chamber 4 are sequentially arranged in the box body 1 from top to bottom, a heating device 5 is arranged on the inner side of the top wall of the drying chamber 2 downwards, a vent 6 and an exhaust port 7 are arranged on the side wall of the drying chamber 2, the drying chamber 2 and the stirring chamber 3 are separated by a left switch door 8 and a right switch door 8 which are horizontally arranged, a filter screen 9 is arranged between the stirring chamber 3 and the filter pressing chamber 4, a water inlet 10 and a side door 11 corresponding to the position of the filter screen 9 are arranged on the side wall of the stirring chamber 3, the filter pressing chamber 4 is of an inverted circular truncated cone shape, the center of the bottom of the filter pressing chamber 4 is provided with a filter pressing port 12, a filter pressing groove 13 is arranged below the filter pressing port 12, a filter port 12 is arranged above the side wall of the filter pressing groove 13, a filter screen, the filter opening 12 is communicated with a downward inclined water filtering channel 15, the bottom of the filter pressing groove 13 is provided with a heating plate 16, a sealing ring 17 is formed on one circle of the periphery of the heating plate 16, the inner diameter of the sealing ring 17 is just matched with the outer diameter of the filter pressing groove 13, a first lifting device 18 for driving the heating plate 16 to move up and down is arranged below the heating plate 16, a motor 19 is arranged above the box body, a driving shaft of the motor 19 is vertically downward and is connected with a stirring rod 20, the stirring rod 20 penetrates into the box body 1, a water filtering piston 21 and a stirring paddle 22 are sequentially fixed on the stirring rod 20 from the bottom end to the top, the top wall of the box body 1 is also provided with a sliding groove 23, the motor 19 is arranged on the sliding groove 23, the sliding groove 23 is also provided with a second lifting device 24 for driving the motor 19 to move up and down, and when the motor 19 moves up to the highest position, the stirring paddle, when the motor 19 moves downwards to the lowest position, the water filtering piston 21 is positioned in the filter pressing groove 13, and a blanking box 25 communicated with the drying chamber 1 is further arranged above the box body 1 and a sealing door is arranged at the communicated position.
The side door is in the closed condition during the initial time, the drainage passageway does not circulate, first elevating gear pushes up the hot plate in the position of the top, open the sealing door, let in pending negative pole piece in the drying chamber from the blanking case, close the sealing door again, open blow vent and gas vent, let in protective gas from the blow vent, open heating device after a period, adjustment heating temperature and time, the electrolyte on the stoving negative pole piece, discharge from the gas vent behind the electrolyte formation steam, later open the switch door, the negative pole piece falls into in the agitator chamber. As a common knowledge in the art at the present stage, in a lithium ion battery, a negative carbon material and an aluminum foil are usually adhered by an aqueous binder, the binding force between the negative carbon material and the copper foil of a current collector is not very firm, and the negative active material and the copper foil can be separated by mechanical crushing or soaking in hot water. Therefore, in the embodiment of the invention, hot deionized water is introduced from a water inlet, the motor is started to stir, so that the aqueous binder between the cathode carbon material and the aluminum foil gradually loses the adhesive force, the cathode carbon material gradually falls off and falls into the filter-pressing chamber through the filter screen and is deposited into the filter-pressing groove along the inclined side wall of the filter-pressing chamber, the copper foil with large volume is left on the filter screen, after stirring for a certain time, the filter-pressing channel is opened, most of the aqueous solution is discharged through the filter-pressing network, the side door is opened, the filter screen is taken out, the side door is closed to recover the copper foil, then the second lifting device is started, the motor drives the stirring rod to move downwards, the filter-pressing piston moves downwards from the stirring chamber to the filter-pressing chamber until the cathode carbon material in the filter-pressing groove is subjected to filter-pressing, the excessive water flows above the filter-pressing piston, and finally, driving a motor by a second lifting device to move downwards continuously, driving a heating plate to retreat by a first lifting device, ejecting all the negative active material blocks out of the filter pressing groove by a water filtering piston, taking out the negative active material blocks from the heating plate, and even setting the shape and size of the filter pressing groove according to size requirements. The cleaned filter screen is put back, the negative pole pieces and the negative pole active material blocks can be processed in batches through repeated operation, and when subsequent recovery operation is carried out, the metal lithium can be conveniently recovered only by taking the negative pole pieces as an anode to carry out electrolytic reduction reaction, so that the recovery and utilization efficiency of the metal lithium of the waste lithium ion battery is obviously improved.
As a specific structure of the lithium ion battery negative electrode lithium recycling device, as shown in fig. 1, the first and second lifting devices are hydraulic cylinders, each hydraulic cylinder includes a cylinder body and a telescopic rod, the end of the telescopic rod of the second lifting device 24 abuts against the bottom of the motor 19, a bearing partition plate 26 is further disposed below the heating plate 16, and the end of the telescopic rod of the first lifting device 18 abuts against the bottom of the bearing partition plate 26. The hydraulic cylinder drives the telescopic rod to move up and down, so that automatic lifting operation can be realized on the motor and the heating plate.
As a preferred structure of the lithium ion battery cathode lithium recovery processing device, as shown in fig. 1, a limiting pipe 27 with a certain length is arranged downwards between the stirring rod 20 and the top wall of the box body 1, and the stirring rod 20 penetrates through the limiting pipe 27, so that the rotation stability of the stirring rod is ensured, and the water filtering piston can be accurately moved downwards into the filter pressing groove. The stirring rod 20 is provided with a blade 28 positioned in the drying chamber 1. Can carry out the rotation of puddler in blanking or stoving stage, through the preliminary cutting of blade or at the in-process that collides with the negative pole piece, break up the negative pole carbon material as far as in advance, be convenient for the follow-up dispersion in the deionized water of negative pole carbon material, improve the treatment effeciency. Further, the air vent 6 is located at a position above the drying chamber 1, and the air outlet 7 is located at a position below the drying chamber 1. Because the protective gas is generally nitrogen and has density smaller than that of air, the arrangement is convenient for the protective gas to fully fill the interior of the box body. The filter-pressing recess 13 with the contact edge of filter-pressing mouth 12, switch door 8 with the contact surface of puddler 20, spacing pipe 27 with all be provided with the sealing washer between the puddler 20, guarantee that water or gas can not spill over from the junction of device.
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 invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A lithium ion battery negative pole lithium recovery processing device is characterized by comprising a box body, wherein a drying chamber, a stirring chamber and a pressure filtration chamber are sequentially arranged in the box body from top to bottom, a heating device is arranged on the inner side of the top wall of the drying chamber downwards, a vent and an exhaust port are arranged on the side wall of the drying chamber, the drying chamber and the stirring chamber are separated by a left switch door and a right switch door which are horizontally arranged, a filter screen is arranged between the stirring chamber and the pressure filtration chamber, a water inlet and a side door corresponding to the position of the filter screen are arranged on the side wall of the stirring chamber, the pressure filtration chamber is in an inverted circular truncated cone shape, a pressure filtration port is arranged in the center of the bottom of the pressure filtration chamber, a pressure filtration groove is arranged below the pressure filtration port, a filtration port is arranged above the side wall of the pressure filtration groove, a water filtration screen is arranged on the filtration port, and the filtration port is, the bottom of the filter-pressing groove is provided with a heating plate, a sealing ring is upwards formed on one circle of the periphery of the heating plate, the inner diameter of the sealing ring is just matched with the outer diameter of the filter-pressing groove, a first lifting device for driving the heating plate to move up and down is arranged below the heating plate, a motor is arranged above the box body, a driving shaft of the motor is vertically downward and is connected with a stirring rod, the stirring rod penetrates into the box body, a water filtering piston and a stirring paddle are sequentially fixed on the stirring rod from the bottom end to the top end of the box body, a chute is further arranged on the top wall of the box body, the motor is arranged on the chute, a second lifting device for driving the motor to move up and down is further arranged on the chute, when the motor moves up to the highest position, the stirring paddle and the water filtering piston are positioned in the, and a blanking box communicated with the drying chamber is further arranged above the box body, and a sealing door is arranged at the communicated part.
2. The lithium ion battery negative electrode lithium recycling device of claim 1, wherein the first and second lifting devices are hydraulic cylinders, each hydraulic cylinder comprises a cylinder body and a telescopic rod, the end of the telescopic rod of the second lifting device abuts against the bottom of the motor, a bearing partition plate is further disposed below the heating plate, and the end of the telescopic rod of the first lifting device abuts against the bottom of the bearing partition plate.
3. The lithium ion battery negative electrode lithium recovery processing device of claim 2, wherein a section of limiting pipe is arranged downwards between the stirring rod and the top wall of the box body, and the stirring rod passes through the limiting pipe.
4. The lithium ion battery negative electrode lithium recycling device as claimed in claim 2, wherein the stirring rod is provided with a blade located in the drying chamber.
5. The lithium ion battery negative electrode lithium recycling device as claimed in claim 2, wherein said air vent is located at the upper part of the side wall of said drying chamber, and said air vent is located at the lower part of the side wall of said drying chamber.
6. The lithium ion battery cathode lithium recovery processing device according to claim 3, wherein sealing rings are arranged between the contact edge of the filter pressing groove and the filter pressing port, the contact surface of the switch door and the stirring rod, and the limiting pipe and the stirring rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811276975.1A CN109494423B (en) | 2018-10-30 | 2018-10-30 | Lithium ion battery negative pole lithium recovery processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811276975.1A CN109494423B (en) | 2018-10-30 | 2018-10-30 | Lithium ion battery negative pole lithium recovery processing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109494423A CN109494423A (en) | 2019-03-19 |
| CN109494423B true CN109494423B (en) | 2020-09-08 |
Family
ID=65693572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811276975.1A Active CN109494423B (en) | 2018-10-30 | 2018-10-30 | Lithium ion battery negative pole lithium recovery processing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109494423B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4358954B2 (en) * | 1999-12-28 | 2009-11-04 | 株式会社アサカ理研 | How to open a used sealed battery |
| US9834827B2 (en) * | 2012-04-04 | 2017-12-05 | Worcester Polytechnic Institute | Method and apparatus for recycling lithium-ion batteries |
| KR101718422B1 (en) * | 2015-02-11 | 2017-04-04 | 한국지질자원연구원 | Continuous Heat treatment apparatus and Method of Recovering Valuable Metals from Lithium Battery using the same |
| CN106299523A (en) * | 2016-08-24 | 2017-01-04 | 合肥国轩高科动力能源有限公司 | The segregation apparatus of a kind of lithium ion battery plus-negative plate active substance and collector and separation method |
| CN206059576U (en) * | 2016-09-05 | 2017-03-29 | 荆门市格林美新材料有限公司 | The retracting device of old and useless battery positive and negative pole material |
| CN207069021U (en) * | 2017-07-24 | 2018-03-02 | 格林美股份有限公司 | A kind of useless lithium cell slag recovery infuser device |
| CN207303238U (en) * | 2017-08-18 | 2018-05-01 | 梅照付 | A kind of municipal administration old and useless battery treatment device |
| CN207303283U (en) * | 2017-09-27 | 2018-05-01 | 济源市万洋绿色能源有限公司 | A kind of recycling system of lead-acid accumulator leaching lead plumbate mud |
| CN108405554B (en) * | 2018-02-23 | 2020-12-29 | 山东中庆环保科技有限公司 | Waste battery recycling and extruding device for environmental protection |
-
2018
- 2018-10-30 CN CN201811276975.1A patent/CN109494423B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109494423A (en) | 2019-03-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108011146B (en) | Recycling method of waste lithium battery | |
| CN102017276B (en) | Reutilization method of waste LiFeP04 power battery | |
| CN108321453B (en) | Waste lithium battery recovery system equipment | |
| CN104810566A (en) | Environmentally friendly recovery and treatment method of waste and old lithium iron phosphate power cells | |
| CN107204495A (en) | A kind of method of the environmentally friendly recycling of discarded anode material of lithium battery | |
| CN103219562B (en) | A kind of method of waste and old ter-polymers dynamic lithium battery recycling | |
| CN104143667A (en) | Method and device for collection of waste lithium ion battery electrolyte solution | |
| CN110124815A (en) | A kind of lithium ion battery electrification pre-processing device and method | |
| CN108134153A (en) | A kind of processing method of waste and old lithium ion battery | |
| CN104183887A (en) | Green method for dismantling, separation and recovery of waste LiCoO2 battery | |
| CN106876821A (en) | A kind of new energy resource power battery Dismantlement equipment | |
| CN111100324A (en) | Method and device for recovering waste lithium battery binder PVDF | |
| CN108615960A (en) | The method that aluminium hydroxide is produced using discarded aluminium | |
| CN109494423B (en) | Lithium ion battery negative pole lithium recovery processing device | |
| CN115764042A (en) | Lithium battery electrolyte recovery device and process thereof | |
| CN113517485A (en) | Power battery disassembling and recycling process and device | |
| CN108103323A (en) | A kind of recovery method of the positive electrode of nickel cobalt manganese old and useless battery | |
| CN208028186U (en) | A kind of waste lithium cell recovery system equipment | |
| CN208738390U (en) | A kind of waste lithium cell efficient separation reclaimer | |
| CN110697673B (en) | Method for recycling regenerated lithium iron phosphate from waste power lithium ion battery | |
| CN108281725A (en) | A method of dismantling waste lithium ion | |
| CN106544510A (en) | A kind of processing method of waste and old lead acid accumulator | |
| CN218215435U (en) | Reaction kettle for stripping battery pole piece | |
| CN208157590U (en) | A kind of magnesium air fuel cell | |
| CN111416169A (en) | Device for charged crushing and electrolyte recovery of waste power lithium battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |