CN106058359B - Lithium battery positive-negative plate processing system and technique - Google Patents
Lithium battery positive-negative plate processing system and technique Download PDFInfo
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- CN106058359B CN106058359B CN201610715631.0A CN201610715631A CN106058359B CN 106058359 B CN106058359 B CN 106058359B CN 201610715631 A CN201610715631 A CN 201610715631A CN 106058359 B CN106058359 B CN 106058359B
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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 invention discloses a kind of lithium battery positive-negative plate processing system and techniques, belong to refuse battery process field, include feeding platform, conveyer, pulverizer, analysis machine, air-introduced machine, material-gathering device, pulse cleaning device and classifying screen and sorting machine including the system.Treatment process is made of positive plate treatment process and negative plate treatment process two parts.The present invention physical treatments method such as beats using machinery, crushes, detach and recycling, detach positive and negative pole material in lithium battery completely, any chemical composition is not added in whole set process, any chemical treatment technology is not used, environmental protection completely, set of system can realize the complete operation of the separation of useless lithium battery positive-negative plate material, recycling, coordinate without other equipment, process is complete, easy.
Description
Technical field
The invention belongs to refuse battery process fields, and in particular to a kind of lithium battery positive-negative plate processing system and technique.
Background technology
Containing a large amount of non-renewable and high economic value metals resources in discarded lithium battery, the positive plate in lithium battery
Material is cobalt acid lithium powder, negative plate material is graphite powder, contains a large amount of nickel, copper, aluminium in positive plate or negative plate
Wait metal materials.If can effectively recovering and processing discarded or underproof lithium battery, old and useless battery can not only be mitigated to environment
Pressure, can also avoid causing the waste of the metals resources such as cobalt, nickel.Treating method common at present has：It is deep-sea landfill method, wet
The chemical industry treating method such as method metallurgical technology and sulfuric acid dissolution method, soda boiling-acid extracting；Deep-sea landfill method seriously pollutes environment, wet
Method metallurgical technology and chemical industry treating method are required to add a variety of chemical substances, still pollute the environment, and separation process
Complicated, process conditions height, it is of high cost and bad to cobalt, aluminium separating effect.
Invention content
When being handled the purpose of the present invention is being directed to lithium battery positive-negative plate of giving up in the prior art, provide
A kind of lithium battery positive-negative plate processing system and technique, the system physical treatments such as are beaten using machinery, crushed, detached and doing completely
Method recycling detaches positive and negative pole material in lithium battery, does not add any chemical composition in whole set process, does not use any chemical treatment
Technique, completely environmental protection, set of system can realize the complete operation of the separation of useless lithium battery positive-negative plate material, recycling, without it
He coordinates equipment, and process is complete, easy.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：A kind of lithium battery positive-negative plate processing system
System, the system include feeding platform, conveyer, pulverizer, analysis machine, air-introduced machine, material-gathering device, pulse cleaning device and classification
Sieve and sorting machine；The feeding platform output terminal connects conveyer, conveyer output terminal connection pulverizer, and pulverizer output terminal connects
Analysis machine is connect, there are two analysis machine output terminals：First output terminal connects material-gathering device, second output terminal connection classification through air-introduced machine
Sieve, the material-gathering device exhaust outlet connect pulse cleaning device, material-gathering device discharge port connection material collecting device；The classifying screen
Output terminal is three：First output terminal connects material-gathering device through air-introduced machine, second and third output terminal connects metal processing respectively
Device.
Based on above-mentioned technical proposal, the material-gathering device is made of two loading heads：It is divided into the first loading head and the second collection
Glassware, the first loading head gas outlet connect the second loading head air inlet, first and second loading head discharge port connects material respectively
Collection device.
Based on above-mentioned technical proposal, the metal handling apparatus includes airflow separator and aluminium powder collection device, classifying screen
Second output terminal connects airflow separator, and airflow separator is divided into metal delivery end and nonmetallic output terminal, and classifying screen third is defeated
Outlet and airflow separator metal delivery end connect aluminium powder collection device respectively, and the nonmetallic output terminal of airflow separator passes through air inducing
Machine connects the first loading head, and the material collecting device is cobalt acid lithium powder collecting device, first and second loading head discharge port point
It Lian Jie not cobalt acid lithium powder collecting device.
Based on above-mentioned technical proposal, the metal handling apparatus include magnetic separator, specific gravity separator, copper powder gathering device and
Nickel collection device, classifying screen second output terminal connection specific gravity separator, classifying screen third output terminal connection magnetic separator, magnetic separator have
Two material delivery outlets：First material delivery outlet connects nickel collection device, second material delivery outlet connection copper powder gathering device, institute
It states specific gravity separator and is divided into metal delivery end and nonmetallic output terminal, specific gravity separator metal delivery end is connected to copper powder and collects dress
Put, nonmetallic output terminal connects the first loading head by air-introduced machine, the material collecting device is graphite powder collecting device, the
One and second loading head discharge port connect graphite powder collecting device respectively.
A kind of lithium battery positive-negative plate treatment process, the technique operate in above-mentioned processing system, and work is handled by positive plate
Skill and negative plate treatment process two parts composition：
Positive plate treatment process is made of following process：Useless lithium battery anode sheet material is delivered to pulverizer powder through conveyer
It is broken, it is crushed to 15-25 mesh；Material after pulverizer crushes is delivered to analysis machine, and analysis machine is by the material after crushing into sector-style
Choosing separation, sub-elects metal material and cobalt acid lithium powder；The cobalt acid lithium powder sub-elected is delivered to material-gathering device through air-introduced machine and collects, collection
Exhaust gas in material device exports after being purified by pulse cleaning device,
The metalliferous material that machine sub-elects by analysis enters classifying screen and is screened, and classifying screen further divides metal material
From, isolate cobalt acid lithium powder and metal part, from classifying screen export cobalt acid lithium powder pass through air inducing from the first output terminal of classifying screen
Machine imports loading head, is directly collected from the aluminium powder that classification sieve is selected by third output terminal, select from classification sieve other
Material enters airflow separator by second output terminal, and the unclassified stores by classifying screen is carried out classification point by airflow separator again
Choosing, sub-elects metallic aluminium and cobalt acid lithium powder, and the metal alum recovery sub-elected is collected, and the cobalt acid lithium powder isolated is converged by air-introduced machine
Enter loading head collection, so far, non-metallic part cobalt acid lithium powder and the completion of metal part aluminium powder in positive plate are completely separated；
Negative plate treatment process is made of following process：Useless cathode of lithium battery sheet material is delivered to pulverizer powder through conveyer
It is broken, it is crushed to 15-25 mesh；Material after pulverizer crushes is delivered to analysis machine, and analysis machine is by the material after crushing into sector-style
Choosing separation, sub-elects metal material and graphite powder；The graphite powder sub-elected is delivered to material-gathering device through air-introduced machine and collects, and gather materials dress
The exhaust gas put exports after being purified by pulse cleaning device,
The metalliferous material that machine analyzes by analysis enters classifying screen and is screened, and classifying screen further divides metal material
From, isolate graphite powder and metal part, from classifying screen export graphite powder from the first output terminal by air-introduced machine remittance gather materials
Device enters magnetic separator from the copper powder that classification sieve is selected by third output terminal, and magnetic separator further detaches the nickel in copper powder
Out, enter specific gravity separator from the unclassified stores that classification sieve is selected by second output terminal, specific gravity separator is classifying screen
The unclassified stores filtered out carries out proportion separation, is further separated out copper powder and graphite powder, the graphite powder isolated passes through air inducing
Machine imports loading head and collects.So far, the non-metallic part graphite powder in negative plate and metal part copper powder and nickel are completed thoroughly to divide
From.
Advantageous effect：The present invention is whole system, and each link is connected reasonable above and below, section gathers, and system is complete, set of system
Useless positive plate of lithium battery and negative plate recycling, the complete operation of separation can be achieved, coordinate without other equipment, the cobalt in positive plate
Graphite powder in sour lithium powder and negative plate can be kept completely separate out from waste material, separation purity is high, the metal material isolated：Aluminium
Powder, copper powder and the materials method operation processings such as metallic nickel is recyclable uses again, and whole system beats mainly by machinery, crushes, in
Between be added without any chemical composition, operating process is completely environmentally friendly, and whole system high degree of automation, production efficiency is fast, saving of labor save
Power.
Description of the drawings
Fig. 1 is the useless positive plate of lithium battery treatment process structure diagram of the present invention；
Fig. 2 is the useless lithium battery cathode plate treatment process structure diagram of the present invention.
Specific embodiment
The present invention will be further described With reference to embodiment, to more fully understand the technology of the present invention side
Case.
Embodiment 1：Lithium battery positive-negative plate processing system, the present embodiment system are mainly used for positive plate processing, the system
Including feeding platform, conveyer, pulverizer, analysis machine, air-introduced machine, the first loading head and the second loading head, pulse cleaning device with
And classifying screen and sorting machine；The feeding platform output terminal connects conveyer, and conveyer output terminal connects pulverizer, and pulverizer is defeated
Outlet linking parsing machine, there are two analysis machine output terminals：First output terminal connects the first loading head, second output terminal through air-introduced machine
Classifying screen is connected, the first loading head output terminal connects the second loading head, and the second loading head exhaust outlet connects pulse cleaning device, gathers materials
Device discharge port connects material collecting device；The classifying screen output terminal is three：First output terminal gathers materials through air-introduced machine connection
Device, second and third output terminal connect metal handling apparatus respectively.The metal handling apparatus includes airflow separator and aluminium
Powder collecting device, classifying screen second output terminal connection airflow separator, classifying screen third output terminal and airflow separator metal are defeated
Outlet connects aluminium powder collection device respectively, and the nonmetallic output terminal of airflow separator connects the first loading head by air-introduced machine, described
Material collecting device is cobalt acid lithium powder collecting device, first and second loading head discharge port connects cobalt acid lithium powder and collects dress respectively
It puts.
Each component effect is as follows in this system：1. pulverizer：Broken material is crushed；2. analysis machine：Powder
Material after broken carries out selection by winnowing separation；3. air-introduced machine：Graphite powder after selection by winnowing is collected；4. loading head：By air-introduced machine
Dust be collected discharge；5. pulse cleaning device（Air purifier）：The dust of complete equipment is purified；6. classification
Sieve：Being screened through the material that analysis machine sorts, big metalliferous material is sorted out；7. magnetic separator：Nickel in metal point
It separates out and；8. airflow separator：Classification and sorting is carried out again by the thin material of separating sieve, metal is completely separated out.
Positive plate treatment process is made of following process in the present embodiment：Useless lithium battery anode sheet material is conveyed through conveyer
It is crushed to pulverizer, is crushed to 15-25 mesh；Material after pulverizer crushes is delivered to analysis machine, and analysis machine will be after crushing
Material carries out selection by winnowing separation, sub-elects metal material and cobalt acid lithium powder；The cobalt acid lithium powder sub-elected is delivered to through air-introduced machine to gather materials
Device is collected, and the exhaust gas in material-gathering device exports after being purified by pulse cleaning device；
The metalliferous material that machine analyzes by analysis enters classifying screen and is screened, and classifying screen further divides metal material
From, isolate cobalt acid lithium powder and metal part, from classifying screen export cobalt acid lithium powder imported from the first output terminal by air-introduced machine
Loading head is directly collected from the aluminium powder that classification sieve is selected by third output terminal, and the unclassified stores filtered out is defeated by second
Outlet enters airflow separator, and airflow separator sub-elects metal classification and sorting is carried out again by the thin material of classifying screen
Aluminium and cobalt acid lithium powder, the cobalt acid lithium powder isolated import loading head by air-introduced machine and collect, so far, the non-metal portion in positive plate
Point cobalt acid lithium powder and the completion of metal part aluminium powder are completely separated.
Embodiment 2：Lithium battery positive-negative plate processing system, the present embodiment content and 1 content of embodiment are essentially identical, identical
Partial content no longer repeats, as different from Example 1：The present embodiment system is mainly used for negative plate processing, and specific difference is such as
Under：Metal handling apparatus includes magnetic separator, specific gravity separator, copper powder gathering device and nickel collection device, the classifying screen second
Output terminal connects specific gravity separator, and classifying screen third output terminal connection magnetic separator, there are two material delivery outlets for magnetic separator：First object
Expect delivery outlet connection nickel collection device, second material delivery outlet connection copper powder gathering device, the specific gravity separator metal output
End is connected on copper powder gathering device, nonmetallic output terminal connects the first loading head, the material collecting device by air-introduced machine
For graphite powder collecting device, it is graphite powder collecting device that first and second loading head discharge port connects respectively.
Negative plate treatment process is made of following process in the present embodiment：Useless cathode of lithium battery sheet material is conveyed through conveyer
It is crushed to pulverizer, is crushed to 15-25 mesh；Material after pulverizer crushes is delivered to analysis machine, and analysis machine will be after crushing
Material carries out selection by winnowing separation, sub-elects metal material and graphite powder；The graphite powder sub-elected is delivered to material-gathering device through air-introduced machine
It collects, the exhaust gas in material-gathering device exports after being purified by pulse cleaning device；
The metalliferous material that machine analyzes by analysis enters classifying screen and is screened, and classifying screen further divides metal material
From, isolate graphite powder and metal part, from classifying screen export graphite powder from the first output terminal by air-introduced machine remittance gather materials
Device enters magnetic separator from the copper powder that classification sieve is selected by third output terminal, and magnetic separator separates the nickel in copper powder, from
The unclassified stores that classification sieve is selected enters specific gravity separator by second output terminal, and specific gravity separator selects classification sieve
Unclassified stores carries out proportion separation, is further separated out copper powder and graphite powder, and the graphite powder isolated is imported by air-introduced machine to be collected
Glassware is collected.So far, the non-metallic part graphite powder in negative plate and the completion of metal part copper powder and nickel are completely separated.
It should be noted that：Present invention positive/negative plate processing system to be protected, wherein positive plate processing system and cathode
Piece processing system shares a set of main system, and only in growth factor-p, slightly different for the two, of the invention by each process part knot
The system of composition complete set is combined, time of useless lithium battery anode sheet material and negative plate material can be realized in set of system
It receives, lock out operation, the graphite powder separated is collected separately with cobalt acid lithium mixed powder, and the whole series operation coordinates without other equipment,
Any chemical treatment technology is not added, operates complete by mechanical-physical completely, completely environmental protection, each component separation purity is high, the energy
Utilization rate is high, and whole system high degree of automation, production efficiency is fast, highly promotion and implementation.
Claims (1)
1. a kind of lithium battery positive-negative plate treatment process, it is characterized in that：The technique is handled by positive plate treatment process and negative plate
Technique two parts form：
Positive plate treatment process is made of following process：Useless lithium battery anode sheet material is delivered to pulverizer through conveyer and crushes,
It is crushed to 15-25 mesh；Material after pulverizer crushes is delivered to analysis machine, and the material after crushing is carried out selection by winnowing point by analysis machine
From sub-electing metal material and cobalt acid lithium powder；The cobalt acid lithium powder sub-elected is delivered to material-gathering device through air-introduced machine and collects, and gather materials dress
The exhaust gas put exports after being purified by pulse cleaning device,
The metalliferous material that machine sub-elects by analysis enters classifying screen and is screened, and classifying screen further detaches metal material,
Cobalt acid lithium powder and metal part are isolated, the cobalt acid lithium powder exported from classifying screen is converged from the first output terminal of classifying screen by air-introduced machine
Enter loading head, directly collected from the aluminium powder that classification sieve is selected by third output terminal, the unclassified stores selected from classification sieve
Airflow separator is entered by second output terminal, the unclassified stores for passing through classifying screen is carried out classification and sorting by airflow separator again,
Metallic aluminium and cobalt acid lithium powder are sub-elected, the metal alum recovery sub-elected is collected, and the cobalt acid lithium powder isolated is imported by air-introduced machine
Loading head is collected, and so far, non-metallic part cobalt acid lithium powder and the completion of metal part aluminium powder in positive plate are completely separated；
Negative plate treatment process is made of following process：Useless cathode of lithium battery sheet material is delivered to pulverizer through conveyer and crushes,
It is crushed to 15-25 mesh；Material after pulverizer crushes is delivered to analysis machine, and the material after crushing is carried out selection by winnowing point by analysis machine
From sub-electing metal material and graphite powder；The graphite powder sub-elected is delivered to material-gathering device through air-introduced machine and collects, in material-gathering device
Exhaust gas by pulse cleaning device purify after export,
The metalliferous material that machine analyzes by analysis enters classifying screen and is screened, and classifying screen further detaches metal material,
Graphite powder and metal part are isolated, loading head is imported by air-introduced machine from the graphite powder that classifying screen exports from the first output terminal,
Enter magnetic separator from the copper powder that classification sieve is selected by third output terminal, magnetic separator further isolates the nickel in copper powder
Come, enter specific gravity separator from the unclassified stores that classification sieve is selected by second output terminal, specific gravity separator is classification sieve
The unclassified stores selected carries out proportion separation, is further separated out copper powder and graphite powder, the graphite powder isolated passes through air-introduced machine
Loading head is imported to collect,
So far, the non-metallic part graphite powder in negative plate and the completion of metal part copper powder and nickel are completely separated.
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| CN107601494A (en) * | 2017-09-05 | 2018-01-19 | 河南易成新能源股份有限公司 | A kind of graphite cathode material purification process |
| CN110190352A (en) * | 2019-06-13 | 2019-08-30 | 广东凯金新能源科技股份有限公司 | A kind of recovery method of lithium ion battery negative material |
| CN110694771B (en) * | 2019-10-12 | 2021-08-31 | 福建常青新能源科技有限公司 | Flexible airflow powder removing method for waste ternary lithium battery |
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Effective date of registration: 20200417 Address after: No.23, building e, industrial cluster, Huiguo Town, Gongyi City, Zhengzhou City, Henan Province 451200 Patentee after: Gongyi Jixin Machinery Co., Ltd Address before: 451200, Henan, Zhengzhou province Gongyi city Du Fu street outside the village ditch Patentee before: GONGYI CITY RUNDA MACHINERY FACTORY |