CN109599556A - A kind of cell positive material production system - Google Patents
A kind of cell positive material production system Download PDFInfo
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- CN109599556A CN109599556A CN201811431283.XA CN201811431283A CN109599556A CN 109599556 A CN109599556 A CN 109599556A CN 201811431283 A CN201811431283 A CN 201811431283A CN 109599556 A CN109599556 A CN 109599556A
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- tank
- feed pipe
- cell positive
- main reaction
- ageing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
- H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G51/00—Compounds of cobalt
- C01G51/04—Oxides; Hydroxides
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
- H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses a kind of cell positive material production systems, including main reaction kettle, defecator, secondary reacting kettle, ageing tank, slurry circulating pump, solid-liquid separation system, drying system and packaging system, main reaction kettle top portion is equipped with feed pipe one, feed pipe two and feed pipe three；Feed pipe one, feed pipe two and feed pipe three are connected with main material salting liquid preparing tank, Alkali liquid compounding tank and ammonium hydroxide preparing tank respectively, main reaction bottom portion is connected at the top of ageing tank by discharge nozzle, ageing trench bottom is connected to solid-liquid separation system by being aged discharge nozzle, and solid-liquid separation system, drying system and packaging system pass sequentially through material pipeline and be connected；Main reaction kettle overflow pipe is connected with defecator；Defecator overflow port is connected by clear liquid pipe with auxiliary reactor, and secondary reacting kettle bottom and defecator bottom flow back into main reaction kettle top portion by slurry circulating pump.The present invention adapts to the production of multiple battery positive electrode, and high-efficient, quality is stablized.
Description
Technical field
The invention belongs to battery material production fields, are related to a kind of battery material production technology, and in particular to a kind of battery
Positive electrode production system.
Background technique
Lithium ion battery as new energy has many advantages, such as high-energy, long-life, low pollution, is widely used in receiving
The multiple fields such as collection, computer, electric bicycle, electric car, national defence.And positive electrode directly determines final lithium-ion electric
The performance in pond.The multicomponent material for being used to prepare battery has high capacity, reversible specific capacity big, while safety with higher
Can, price is relatively low.And it is preferable with the compatibility of electrolyte, cycle performance is excellent, is widely used in every field, therefore
Requirements at the higher level are proposed to the security performance of material, the requirements such as positive electrode material precursor pattern, magnetic foreign body, impurity content are more next
It is stringenter.It is larger that there are the degree of automation is low for existing production technology, production efficiency is low, foreign matter introduces risk, while production cost
It is higher, thus it is unfavorable for industrialized production.
Summary of the invention
The object of the present invention is to provide a kind of cell positive material production systems, solve cell positive material in the prior art
Production efficiency and poor quality problem.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is that:
A kind of cell positive material production system, it is characterised in that: including main reaction kettle, defecator, secondary reacting kettle, ageing
Slot, slurry circulating pump, solid-liquid separation system, drying system and packaging system, main reaction kettle top portion are equipped with feed pipe one, feed pipe
Two and feed pipe three；The feed pipe one, feed pipe two and feed pipe three respectively with main material salting liquid preparing tank, Alkali liquid compounding
Tank and ammonium hydroxide preparing tank are connected, and main reaction bottom portion is connected at the top of ageing tank by discharge nozzle, and ageing trench bottom passes through
Ageing discharge nozzle is connected to solid-liquid separation system, and the solid-liquid separation system, drying system and packaging system pass sequentially through material
Pipeline is connected；Main reaction kettle is connected by overflow pipe with defecator；Defecator overflow port passes through clear liquid pipe and auxiliary reactor phase
Connect, secondary reacting kettle bottom passes through slurry pipe with clarifying tank bottom portion respectively and connects serum recycle pump intake, and serum recycle pump discharge is logical
It crosses slurry reflux pipe and is connected to main reaction kettle top portion, be equipped with blender in the main reaction kettle and secondary reacting kettle.
As an improvement, being equipped with blender in the ageing tank, ageing tank is equipped with wet type circulation deferrization device, is followed by wet type
Ring iron remover is to high concentration slurry circulation deferrization in ageing tank.
As an improvement, the solid-liquid separation system includes filtration washing two-in-one device and diaphragm filter press, filtration washing
Two-in-one device and diaphragm filter press are used in parallel.
As an improvement, being all provided on the discharge nozzle of the main material salting liquid preparing tank, Alkali liquid compounding tank and ammonium hydroxide preparing tank
There is filter.
As an improvement, the drying system includes centrifuge, buffer bin and tray drier, the entrance of the centrifuge
It is connected by material pipe with the outlet of solid-liquid separation system, the battery separated by centrifuge to solid-liquid separation system is just
Pole material is dehydrated, and the outlet of the centrifuge with buffer bin by being connected, buffer bin outlet at bottom and tray drying
Machine entrance is connected, and cell positive material is further dried by tray drier.
As an improvement, the packaging system includes mixed batch of machine, vibrating screen, iron remover and packing machine being sequentially connected, it is described
Mixed batch of machine is used to uniformly mix cell positive material of the production after dry, obtains uniform physicochemical characteristics, described
Vibrating screen is secondary vibration sieve, and first order sieve top is bulk material, and qualified material is sifted out at middle part, and bottom goes out fine powder material, described to remove iron
Device is electric magnetic iron remover, and electric magnetic iron remover is set to the exit sifted out in the middle part of vibrating screen, and the packing machine is used for vibrating screen
The qualified material screened out is packaged.
As an improvement, being additionally provided with a bypass line, institute after the filtration washing two-in-one device and diaphragm filter press are in parallel
It states and is equipped with valve on bypass line and pipeline in parallel, filtration washing two-in-one device and diaphragm pressure may be implemented by valve transfer
Three kinds of filter parallel connection, series connection and bypass operating modes.
As an improvement, the cell positive material production system can be used for producing nickel-cobalt-manganese ternary presoma or oxidation
Cobalt.
The medicine have the advantages that
1, invention increases wet-type iron-removers, reduce magnetic foreign body in production process；Improve product quality；
2, present invention production whole process high degree of automation, reduces labor intensity, improves production efficiency；
3, present invention production whole process pipeline reduces foreign matter and introduces risk；
4, the present invention reduces production cost, improves the market competitiveness.
Detailed description of the invention
Fig. 1 is cell positive material production system flow diagram of the present invention；
Fig. 2 is solid-liquid separation system flow diagram of the present invention；
Fig. 3 is flow diagram of the present invention.
1- main reaction kettle, 2- defecator, 3- secondary reacting kettle, 4- ageing tank, 5- slurry circulating pump, 6- solid-liquid separation system,
7- drying system, 8- packaging system, 9- main material salting liquid preparing tank, 10- Alkali liquid compounding tank, 11- ammonium hydroxide preparing tank, 12- are wet
Formula circulation deferrization device, 13- filtration washing two-in-one device, 14- diaphragm filter press, 15- filter, 16- centrifuge, 17- buffering
Feed bin, 18- tray drier, mixed batch of machine of 19-, 20- vibrating screen, 21- iron remover, 22- packing machine, 23- bypass line, 24- valve
One, 25- valve two, 26- valve three, 27- valve four, 28- valve five, 29- valve six, 30- valve seven, 31,32- inlet tube
Line, 33,34- outlet line, 35- series connection pipeline.
Specific embodiment
The present invention is illustrated with reference to the accompanying drawing.
As shown, a kind of cell positive material production system, including it is main reaction kettle 1, defecator 2, secondary reacting kettle 3, old
Change slot 4, slurry circulating pump 5, solid-liquid separation system 6, drying system 7 and packaging system 8, is equipped with feed pipe at the top of main reaction kettle 1
One and feed pipe two, the feed pipe one be connected with main material salting liquid preparing tank 9, the feed pipe two and Alkali liquid compounding tank
10 are connected, and feed pipe three is connected with ammonium hydroxide preparing tank 11, and 1 bottom of main reaction kettle is connected to ageing tank 4 by discharge nozzle and pushes up
Portion, 4 bottom of ageing tank are connected to solid-liquid separation system 6, the solid-liquid separation system 6, drying system 7 by being aged discharge nozzle
Material pipeline is passed sequentially through with packaging system 8 to be connected；2 top of defecator is connected to by overflow pipe at the top of the main reaction kettle 1,
2 overflow port of defecator is connected to secondary reacting kettle 3 by clear liquid pipe, and 3 bottom of secondary reacting kettle and defecator 2 are connected by slurry pipe respectively
5 entrance of slurry circulating pump is connect, the outlet of slurry circulating pump 5 is connected to 1 top of main reaction kettle, the main reaction by slurry reflux pipe
Blender is equipped in kettle 1 and secondary reacting kettle 3.
Blender is equipped in the ageing tank 4, ageing tank 4 is equipped with wet type circulation deferrization device 12, removes by wet type circulation
For ironware 12 to high concentration slurry circulation deferrization in ageing tank 4,12 cardinal principle of wet type circulation deferrization device is using electromagnetic adsorption；
The equipment is better than conventional pipeline fluid deferrization device, essentially consists in electromagnetism intensity height, and treatment effeciency is high, and easy to clean, treating capacity is big,
In the present embodiment, the big precious equipment of South Korea is used；Model: EMF-W150；The solid-liquid separation system 6 includes that filtration washing is two-in-one
Equipment 13 and diaphragm filter press 14, filtration washing two-in-one device and diaphragm filter press 14 are used in parallel, in the present embodiment, filtering
It washs two-in-one device to produce using Hefei General Environment Control Technology Co., Ltd., model MY3000-N, Huo Zhezhe
The SHY-3000 model of Jiang Taizhou Jia Yeyihua equipment Co., Ltd production；The filter press, model: XAGZFQD120/
1250-UK, producer: Jingjin Environmental Protection Inc..
It was equipped on the discharge nozzle of the main material salting liquid preparing tank 9, Alkali liquid compounding tank 10 and ammonium hydroxide preparing tank 11
Filter 15.
The drying system 7 includes centrifuge 16, buffer bin 17 and tray drier 18, the entrance of the centrifuge 16
It is connected by material pipe with the outlet of solid-liquid separation system 6, the electricity that solid-liquid separation system 6 is separated by centrifuge 16
Pond positive electrode is dehydrated, and the outlet of the centrifuge 16 with buffer bin 17 by being connected, 17 outlet at bottom of buffer bin
It is connected with 18 entrance of tray drier, cell positive material is further dried by tray drier 18.
The packaging system 8 includes mixed batch of machine 19, vibrating screen 20, iron remover 21 and packing machine 22 being sequentially connected, described
Mixed batch of machine 19 is used to uniformly mix cell positive material of the production after dry, obtains uniform physicochemical characteristics, institute
Stating vibrating screen 20 is secondary vibration sieve 20, and first order sieve top is bulk material, and qualified material is sifted out at middle part, and bottom goes out fine powder material, institute
Stating iron remover 21 is electric magnetic iron remover 21, and electric magnetic iron remover 21 is set to the exit that the middle part of vibrating screen 20 is sifted out, the packaging
The qualified material that machine 22 is used to screen out vibrating screen 20 is packaged.
The cell positive material production system can be used for nickel-cobalt-manganese ternary presoma (NCM, NCA etc.) or cobalt oxide etc.
Production.
A bypass line 23, the side are additionally provided with after 14 parallel connection of the filtration washing two-in-one device 13 and diaphragm filter press
Be equipped with valve on logical line 23 and inlet/outlet pipeline, by valve transfer may be implemented filtration washing two-in-one device 13 and every
Three kinds of 14 parallel connection of filter press membrane, series connection and bypass operating modes, specifically: the suction line 31 and outlet of diaphragm filter press 14
Valve 1 and valve 2 25, the suction line 32 and outlet line of filtration washing two-in-one device 13 are respectively equipped on line 33
34 are respectively equipped with valve 3 26 and valve 4 27, and 2 25 downstream of valve is additionally provided with valve on the outlet line 33 of diaphragm filter press 14
Door 5 28, outlet line 33 between valve 5 28 and valve 2 25 are connected to that filtration washing is two-in-one to be set by pipeline 35 of connecting
Standby 13 entrance, the series connection pipeline 35 are equipped with valve 6 29, and the bypass line 23 is equipped with valve 7 30.When series connection, valve
Door 1, valve 2 25, valve 6 29 and valve 4 27 are opened, and valve 3 26, valve 5 28 and valve 7 30 are closed；It is in parallel
When, valve 1, valve 2 25, valve 3 26, valve 4 27 and valve 5 28 are opened, and valve 6 29 and valve 7 30 are closed；
When bypass, valve 7 30 is opened, other valves are closed.
In the embodiment of the present invention, solution process for preparation, salting liquid is matched by pipeline, mass flowmenter accurate measurement
Make the standard solution that meets the requirements；Solution, which prepares result, to be determined by system automatic identification, subsequent processing of being allowed for access after qualified；
Qualifying liquid, precipitating reagent (such as NaOH), complexing agent (such as ammonium hydroxide) after preparation are delivered to after the filtering of filter 15 by metering pump
In main reaction kettle 1, each solution enters before reaction kettle equipped with mass flowmenter；
In the embodiment of the present invention, main reaction kettle 1 can be used for continuity method and batch process production simultaneously；Continuity method produces Shi Buqi
Production method can accurately be switched according to production requirement with secondary reacting kettle 3；
In the embodiment of the present invention, control program is set according to manufacturing technique requirent, each mass flow passes through PID control system
System is controlled, and automatically adjusts each liquid inventory size by production system software to control the production of presoma partial size；
1 material of main reaction kettle enters ageing tank 4 and increases wet-type iron-remover 21 to material progress circulation deferrization, passes through
The cell positive material of 21 pairs of wet-type iron-remover production is under wet type state in advance except iron is primary；The equipment operation is simple, processing
Amount is big, and good iron removal effect is easy to clean；
In the embodiment of the present invention, except material can be used following concentration mode of washing after iron: a, using two-in-one filtration washing
Enter centrifuge 16 after equipment for washing to be dehydrated；B, previous cleaning is carried out by filter press filters pressing mother liquor, it is secondary using two-in-one progress
Washing is dehydrated using centrifuge 16；C, the washing of centrifuge 16, dehydration are directlyed adopt；Above several mode of washing can be according to difference
Specification product characteristic and washing effect carry out free switching；
In the embodiment of the present invention, the dewatered material of centrifuge 16 enters buffer bin 17 by outlet valve；Buffer bin
17 deliver into drying equipment by feed screw；Simultaneous buffering feed bin 17 is equipped with metering Weighing module；
Rotary kiln, tray drying furnace etc. may be selected in the drying equipment；Material drying self-emptying through mixing, sieve, remove
Iron, packaging, obtain final products；
In the embodiment of the present invention, whole process uses automation control, and material avoids material and the external world by pipeline
Contact and introduce the risk of foreign matter.
Claims (8)
1. a kind of cell positive material production system, it is characterised in that: including main reaction kettle, defecator, secondary reacting kettle, ageing
Slot, slurry circulating pump, solid-liquid separation system, drying system and packaging system, main reaction kettle top portion are equipped with feed pipe one, feed pipe
Two and feed pipe three, the feed pipe one, feed pipe two and feed pipe three respectively with main material salting liquid preparing tank, Alkali liquid compounding
Tank and ammonium hydroxide preparing tank are connected, and main reaction bottom portion is connected at the top of ageing tank by discharge nozzle, and ageing trench bottom passes through
Ageing discharge nozzle is connected to solid-liquid separation system, and the solid-liquid separation system, drying system and packaging system pass sequentially through material
Pipeline is connected；The main reaction kettle is connected by overflow pipe with defecator；Defecator overflow port passes through clear liquid pipe and side reaction
Device is connected, and secondary reacting kettle bottom passes through slurry pipe with clarifying tank bottom portion respectively and connects serum recycle pump intake, and serum recycle pumps out
Mouth is connected to main reaction kettle top portion by slurry reflux pipe, is equipped with blender in the main reaction kettle and secondary reacting kettle.
2. a kind of cell positive material production system as described in claim 1, it is characterised in that: be equipped with stirring in the ageing tank
Device, ageing tank is equipped with wet type circulation deferrization device, by wet type circulation deferrization device to high concentration slurry circulation deferrization in ageing tank.
3. a kind of cell positive material production system as claimed in claim 2, it is characterised in that: the solid-liquid separation system includes
Filtration washing two-in-one device and diaphragm filter press, filtration washing two-in-one device and diaphragm filter press are used in parallel.
4. a kind of cell positive material production system as claimed in claim 3, it is characterised in that: the main material salting liquid is prepared
Filter is equipped on the discharge nozzle of tank, Alkali liquid compounding tank and ammonium hydroxide preparing tank.
5. a kind of cell positive material production system as claimed in claim 4, it is characterised in that: the drying system includes centrifugation
The entrance of machine, buffer bin and tray drier, the centrifuge is connected by material pipe with the outlet of solid-liquid separation system,
The cell positive material that solid-liquid separation system is separated is dehydrated by centrifuge, the outlet of the centrifuge by with
Buffer bin is connected, and buffer bin outlet at bottom is connected with tray drier entrance, by tray drier by anode material
Material is further dried.
6. a kind of cell positive material production system as claimed in claim 5, it is characterised in that: the packaging system includes successively
Connected mixed batch of machine, vibrating screen, iron remover and packing machine, the mixed batch of machine be used for the cell positive material to production after dry into
Row uniformly mixing obtains uniform physicochemical characteristics, and the vibrating screen is secondary vibration sieve, and first order sieve top is bulk
Qualified material is sifted out at material, middle part, and bottom goes out fine powder material, and the iron remover is electric magnetic iron remover, and electric magnetic iron remover is set to vibrating screen
The exit that middle part is sifted out, the qualified material that the packing machine is used to separate Vibration Screen are packaged.
7. a kind of cell positive material production system as claimed in claim 3, it is characterised in that: the filtration washing is two-in-one to be set
It is additionally provided with a bypass line after standby and diaphragm filter press is in parallel, is equipped with valve on the bypass line and pipeline in parallel, passes through valve
Filtration washing two-in-one device and three kinds of diaphragm filter press parallel connection, series connection and bypass operating modes may be implemented in door switching.
8. a kind of cell positive material production system as described in claim 1 to 7 any one, it is characterised in that: the battery
Positive electrode production system can be used for producing nickel-cobalt-manganese ternary presoma or cobalt oxide.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811431283.XA CN109599556B (en) | 2018-11-26 | 2018-11-26 | Battery cathode material production system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811431283.XA CN109599556B (en) | 2018-11-26 | 2018-11-26 | Battery cathode material production system |
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| CN109599556A true CN109599556A (en) | 2019-04-09 |
| CN109599556B CN109599556B (en) | 2022-04-01 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110270292A (en) * | 2019-07-15 | 2019-09-24 | 威孔过滤科技（苏州）有限公司 | Ternary precursor filtering and concentrating system and its method for concentration |
| CN110451587A (en) * | 2019-08-23 | 2019-11-15 | 东莞市宏湖智能装备有限公司 | A kind of ternary precursor preparation system |
| CN110898782A (en) * | 2019-10-31 | 2020-03-24 | 乳源东阳光磁性材料有限公司 | Automatic preparation facilities of ternary precursor |
| CN110980774A (en) * | 2019-11-20 | 2020-04-10 | 江苏宝众宝达药业有限公司 | Method for recovering lithium hydroxide monohydrate metal impurity overproof substance |
| CN112209451A (en) * | 2020-10-10 | 2021-01-12 | 中国科学院宁波材料技术与工程研究所 | Multi-stage reaction system, lithium ion multi-element anode material precursor and preparation method thereof, and preparation method of lithium ion multi-element anode material |
| CN113277571A (en) * | 2021-05-28 | 2021-08-20 | 广东佳纳能源科技有限公司 | Production system and production method of ternary precursor |
| CN113526553A (en) * | 2021-08-30 | 2021-10-22 | 南京弘顺和生物科技有限公司 | Preparation method and production equipment of superfine niobium hydroxide |
| CN114405917A (en) * | 2021-12-20 | 2022-04-29 | 宜宾光原锂电材料有限公司 | Method and equipment for dipping and washing ternary precursor |
| CN115106044A (en) * | 2022-06-30 | 2022-09-27 | 金川集团股份有限公司 | Device and method for continuously producing aluminum-doped cobalt carbonate |
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| CN113277571A (en) * | 2021-05-28 | 2021-08-20 | 广东佳纳能源科技有限公司 | Production system and production method of ternary precursor |
| CN113526553A (en) * | 2021-08-30 | 2021-10-22 | 南京弘顺和生物科技有限公司 | Preparation method and production equipment of superfine niobium hydroxide |
| CN114405917A (en) * | 2021-12-20 | 2022-04-29 | 宜宾光原锂电材料有限公司 | Method and equipment for dipping and washing ternary precursor |
| CN115106044A (en) * | 2022-06-30 | 2022-09-27 | 金川集团股份有限公司 | Device and method for continuously producing aluminum-doped cobalt carbonate |
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| CN109599556B (en) | 2022-04-01 |
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