CN202191906U - Reactor for continuously producing precursor spherical cobalt carbonate of lithium cobalt acid - Google Patents
Reactor for continuously producing precursor spherical cobalt carbonate of lithium cobalt acid Download PDFInfo
- Publication number
- CN202191906U CN202191906U CN2011203106777U CN201120310677U CN202191906U CN 202191906 U CN202191906 U CN 202191906U CN 2011203106777 U CN2011203106777 U CN 2011203106777U CN 201120310677 U CN201120310677 U CN 201120310677U CN 202191906 U CN202191906 U CN 202191906U
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- kettle
- oar
- cobalt acid
- reactor
- acid lithium
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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
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Abstract
The utility model relates to a reactor, in particular to a reactor special for producing precursor spherical cobalt carbonate of lithium cobalt acid in anode materials of lithium ion batteries. The reactor comprises a reactor body, and a motor is arranged at the top of the reactor body. The reactor is characterized in that a stirring shaft is arranged in the reactor body, the top end of the stirring shaft is connected with the motor, and the bottom end of the stirring shaft is connected with a bearing support at the bottom of the reactor body. Reaction medium foam generated by stirring can be effectively removed by the aid of a U-shaped grid defoaming paddle, and a reaction system with turbulent reaction and higher stirring intensity is created in the reactor by a stirring paddle with high shearing force, so that cobalt carbonate crystal nucleuses are not easy to unite and are turned over all-dimensionally to independently grow into compact spherical crystals of controllable sizes. The tap density, the specific surface area and the like of products are controlled by process and stirring speed, both feeding and discharging are continuous, and precursors meeting the technical requirements of the lithium cobalt acid are produced continuously.
Description
Technical field
The utility model relates to a kind of agitated reactor, specifically relates to a kind of agitated reactor that is exclusively used in the presoma spherical cobaltous carbonate of producing lithium ion cell anode material lithium cobaltate.
Background technology
The lithium ion battery of processing as anodal energy-accumulating material with cobalt acid lithium is as the power-supply system of the mobile communication of generally using, notebook computer etc.; Occupation rate of market is very high, and cobalt acid lithium is to be processed through calcining → join lithium → calcining by its presoma (spherical cobaltous carbonate).Cobalt acid lithium has higher specific capacity, bigger energy density, good safety performance.Some characteristic of spherical cobaltous carbonate directly has influence on size, tap density and the compacted density of cobalt acid lithium, must satisfy in process of production spherical ball looks, size, specific area, the isoparametric controllable requirement of tap density as presoma spherical cobaltous carbonate special reactor.
The course of reaction of spherical cobaltous carbonate: raw material → agitated reactor reaction → generation nucleus → nuclei growth → grow up to sphaerocrystal → washing → oven dry → packing.In this course of reaction there be the main problem that exists:
1., the cobalt carbonate crystal very easily unites, and is difficult to grow up to sphere.
2., excessive carbonate can produce carbon dioxide, causes a large amount of foams, thereby have influence on spherical crystal growth.
3., existing agitated reactor structure is comparatively simple, do not have Despumation device, and stirring intensity is less, causes nucleus growth chaotic, tap density, specific area, particle diameter can't reach specification requirement.
The utility model content
To the problems referred to above that exist in the prior art, the utility model provides a kind of serialization to produce the agitated reactor of cobalt acid lithium presoma spherical cobaltous carbonate.
The technical scheme that the utility model adopts is following:
The agitated reactor of cobalt acid lithium presoma spherical cobaltous carbonate is produced in a kind of serialization, comprises kettle, and said kettle top is provided with motor; It is characterized in that; Be provided with shaft in the said kettle, the shaft top is connected with motor, and the bottom of shaft is connected with the bearing spider of autoclave body bottom.
Further, said shaft is equipped with U type grizzly bar foam removal oar, the dull and stereotyped paddle of two leaf formulas and six oblique leaf disc turbine type paddles with holes from top to bottom successively.
Comparatively perfect is, the oar of said U type grizzly bar foam removal oar directly is 1/3～2/3 of still footpath, oar is wide be oar directly 1/10～1/5.
Comparatively perfect is, the dull and stereotyped paddle of said two leaf formulas has three groups, and the oar of the dull and stereotyped paddle of two leaf formulas directly be 1/3～2/3 of still footpath, oar is wide is oar directly 1/10～1/5; The blade level inclination of said six oblique leaf disc turbine type paddles with holes is 45 °, and oar directly is 1/3～2/3 of still footpath, and oar is wide to be 1/10～1/5 of oar footpath.
Further, be evenly distributed with three layers of three row totally 9 deflector apron in the said kettle, the long 300mm of deflector apron, wide 150～300mm, 20 ° of inclinations of horizontal direction are installed on the inner wall of kettle.
Comparatively perfect is, said inner wall of kettle is evenly distributed with 3 side shields, 3 side shields and on the still wall, alternately evenly distribute with 3 deflector aprons of one deck; The width of said side shield is 1/10～1/5 of still footpath, length be still high 1/3～1/2.
Further, said kettle top is provided with two sprues, and sprue stretches into the bottom in the kettle through pipeline.
Further, said kettle skin is provided with chuck, and the skin of chuck is provided with heat-insulation layer, and the skin of heat-insulation layer is provided with the protection box hat.
Further, the top of said kettle is provided with drain, and the bottom of said kettle is provided with discharging opening and sewage draining exit.
Comparatively perfect is, ellipse head is adopted in the top of said kettle and bottom, and said kettle blade diameter length ratio is 2～3: 1, and kettle is long-pending to be 5～15 cubic metres.
The utility model relies on U type grizzly bar foam removal oar to abolish effectively and stirs the reaction medium foam that produces; Simultaneously; Adopt the high shear force paddle in still, build one and have turbulent flow and put the reaction system than strong mixing intensity of answering, make that the cobalt carbonate nucleus is difficult for reuniting; Comprehensive upset and each nucleus is grown separately grows up to controlled size, fine and close spheroidal crystal comes.The tap density of product, specific area etc. are controlled through technology and speed of agitator, and continuous feed, discharging continuously continuously produce the presoma that reaches the specification requirement of cobalt acid lithium.
Description of drawings
For the ease of it will be appreciated by those skilled in the art that utility model is further described below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the plan structure sketch map of U type grizzly bar foam removal oar.
Fig. 3 is the plan structure sketch map of the dull and stereotyped paddle of two leaf formulas.
Fig. 4 is the plan structure sketch map of six oblique leaf disc turbine type paddles with holes.
Fig. 5 is the sketch map that side shield and deflector apron are uniformly distributed with in kettle.
The specific embodiment
Shown in Fig. 1-5; The agitated reactor of cobalt acid lithium presoma spherical cobaltous carbonate is produced in serialization, and ellipse head is adopted in the top of kettle 2 and bottom, and the kettle blade diameter length ratio is 2～3: 1; Kettle is long-pending to be 5～15 cubic metres; The kettle skin is provided with chuck 9, and the skin of chuck 9 is provided with heat-insulation layer 8, and the skin of heat-insulation layer 8 is provided with the protection box hat.
Shaft 10 is equipped with U type grizzly bar foam removal oar 5, the dull and stereotyped paddle 6 of two leaf formulas and six oblique leaf disc turbine type paddles 7 with holes from top to bottom successively.
The oar of U type grizzly bar foam removal oar 5 directly is 1/3～2/3 of still footpath, and oar is wide to be 1/10～1/5 of oar footpath.
The dull and stereotyped paddle 6 of two leaf formulas has three groups, and the oar of the dull and stereotyped paddle 6 of two leaf formulas directly is 1/3～2/3 of still footpath, and oar is wide to be 1/10～1/5 of oar footpath;
The blade level inclination of six oblique leaf disc turbine type paddles 7 with holes is 45 °, and oar directly is 1/3～2/3 of still footpath, and oar is wide to be 1/10～1/5 of oar footpath.
Be evenly distributed with three layers of three row totally 9 deflector apron 4 in the kettle 2, deflector apron 4 long 300mm, wide 150～300mm, 20 ° of inclinations of horizontal direction are installed on kettle 2 inwalls.
Kettle 2 inwalls are evenly distributed with 3,3 side shields 3 of 3 side shields and alternately evenly distribute on inwall with 3 deflector aprons 4 of one deck; The width of side shield 3 is 1/10～1/5 of still footpath, length be still high 1/3～1/2.
In addition, agitated reactor also is provided with servicing unit commonly used in the existing equipment, for example thermometer installing port, PH meter installing port, Pressure gauge installing port, manhole, recirculated water gateway and recirculated water sewage draining exit etc.
The cobalt salt solution for preparing is through the flow system of precision; Inject from the sprue 15 at still top, six oblique leaf disc turbine type paddle with holes 7 places get into reaction system in the still bottom, at the same time; Na2CO3 (or NH4HCO3) solution injects reaction system through accurate flow system from sprue 16.
Brute force through six oblique leaf disc turbine type paddles 7 with holes stirs; The generation nucleus is fully mixed, reacted to the reaction feed liquid; Under the stirring action of the dull and stereotyped paddle 6 of three group of two leaf formula; Nucleus grows up to a certain size sphaerocrystal, emits, accomplishes through ageing, washing, pressure worry, drying, screening, packing the production process of cobalt carbonate then.
Reaction system is owing to there is the excess carbon acid group to participate in reaction; Therefore can produce into partial CO 2 gas; The carbon dioxide of this part can produce a large amount of foams along with stirring; These foams can have influence on the structural behaviour and the production of product, and foam is after U type grizzly bar foam removal oar 5 is removed, and gas is discharged through drain 11 again.
Above content only is to be given an example and explanation to what the utility model structure did; Under the technical staff in present technique field described specific embodiment is made various modifications or replenish or adopt similar mode to substitute; Only otherwise depart from the structure of utility model or surmount the defined scope of these claims, all should belong to the protection domain of the utility model.
Claims (10)
1. the agitated reactor of a serialization production cobalt acid lithium presoma spherical cobaltous carbonate comprises kettle, and said kettle top is provided with motor; It is characterized in that; Be provided with shaft in the said kettle, the shaft top is connected with motor, and the bottom of shaft is connected with the bearing spider of autoclave body bottom.
2. the agitated reactor of cobalt acid lithium presoma spherical cobaltous carbonate is produced in serialization according to claim 1; It is characterized in that said shaft is equipped with U type grizzly bar foam removal oar, the dull and stereotyped paddle of two leaf formulas and six oblique leaf disc turbine type paddles with holes from top to bottom successively.
3. the agitated reactor of cobalt acid lithium presoma spherical cobaltous carbonate is produced in serialization according to claim 2, it is characterized in that the oar of said U type grizzly bar foam removal oar directly is 1/3～2/3 of still footpath, and oar is wide to be 1/10～1/5 of oar footpath.
4. the agitated reactor of cobalt acid lithium presoma spherical cobaltous carbonate is produced in serialization according to claim 2; It is characterized in that; The dull and stereotyped paddle of said two leaf formulas has three groups, and the oar of the dull and stereotyped paddle of two leaf formulas directly is 1/3～2/3 of still footpath, and oar is wide to be 1/10～1/5 of oar footpath; The blade level inclination of said six oblique leaf disc turbine type paddles with holes is 45 °, and oar directly is 1/3～2/3 of still footpath, and oar is wide to be 1/10～1/5 of oar footpath.
5. the agitated reactor of cobalt acid lithium presoma spherical cobaltous carbonate is produced in serialization according to claim 1; It is characterized in that, be evenly distributed with three layers of three row totally 9 deflector apron in the said kettle, the long 300mm of deflector apron; Wide 150～300mm, 20 ° of inclinations of horizontal direction are installed on the inner wall of kettle.
6. the agitated reactor of cobalt acid lithium presoma spherical cobaltous carbonate is produced in serialization according to claim 5, it is characterized in that said inner wall of kettle is evenly distributed with 3 side shields, 3 side shields and on the still wall, alternately evenly distribute with 3 deflector aprons of one deck; The width of said side shield is 1/10～1/5 of still footpath, length be still high 1/3～1/2.
7. the agitated reactor of cobalt acid lithium presoma spherical cobaltous carbonate is produced in serialization according to claim 1, it is characterized in that said kettle top is provided with two sprues, and sprue stretches into the bottom in the kettle through pipeline.
8. the agitated reactor of cobalt acid lithium presoma spherical cobaltous carbonate is produced in serialization according to claim 1, it is characterized in that said kettle skin is provided with chuck, and the skin of chuck is provided with heat-insulation layer, and the skin of heat-insulation layer is provided with the protection box hat.
9. the agitated reactor of cobalt acid lithium presoma spherical cobaltous carbonate is produced in serialization according to claim 1, it is characterized in that the top of said kettle is provided with drain, and the bottom of said kettle is provided with discharging opening and sewage draining exit.
10. the agitated reactor of cobalt acid lithium presoma spherical cobaltous carbonate is produced in any one described serialization according to claim 1～9; It is characterized in that; Ellipse head is adopted in the top of said kettle and bottom, and said kettle blade diameter length ratio is 2～3: 1, and kettle is long-pending to be 5～15 cubic metres.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203106777U CN202191906U (en) | 2011-08-24 | 2011-08-24 | Reactor for continuously producing precursor spherical cobalt carbonate of lithium cobalt acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203106777U CN202191906U (en) | 2011-08-24 | 2011-08-24 | Reactor for continuously producing precursor spherical cobalt carbonate of lithium cobalt acid |
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| CN202191906U true CN202191906U (en) | 2012-04-18 |
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| CN2011203106777U Expired - Fee Related CN202191906U (en) | 2011-08-24 | 2011-08-24 | Reactor for continuously producing precursor spherical cobalt carbonate of lithium cobalt acid |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102698697A (en) * | 2012-06-25 | 2012-10-03 | 江门市长优实业有限公司 | Reaction kettle device for preparing and coating spherical nickel hydroxide |
| CN104096527A (en) * | 2014-07-23 | 2014-10-15 | 安庆市东徽机械有限公司 | Reaction still |
| CN104525084A (en) * | 2014-12-29 | 2015-04-22 | 常州市龙道电子商务有限公司 | Reaction kettle capable of defoaming |
| CN106732273A (en) * | 2016-12-26 | 2017-05-31 | 江苏新宏大集团有限公司 | A kind of half water law phosphoric acid special agitating apparatus |
| CN109012351A (en) * | 2018-08-09 | 2018-12-18 | 泰山石膏（巢湖）有限公司 | Agitator tank is used in a kind of preparation of plasterboard foaming agent |
| CN109276917A (en) * | 2018-11-27 | 2019-01-29 | 河钢股份有限公司承德分公司 | Wet process reactor and reaction method |
| CN110127775A (en) * | 2019-05-16 | 2019-08-16 | 赣州逸豪优美科实业有限公司 | A kind of reaction kettle for the dropping liquid uniform, controllable being used to prepare cobalt carbonate |
| CN114149033A (en) * | 2022-02-09 | 2022-03-08 | 浙江长城搅拌设备股份有限公司 | Ternary precursor of lithium ion battery, preparation method and preparation device thereof |
| CN114956197A (en) * | 2022-06-20 | 2022-08-30 | 江西佳纳能源科技有限公司 | Spherical cobalt carbonate, preparation method thereof and lithium ion battery cathode material |
-
2011
- 2011-08-24 CN CN2011203106777U patent/CN202191906U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102698697A (en) * | 2012-06-25 | 2012-10-03 | 江门市长优实业有限公司 | Reaction kettle device for preparing and coating spherical nickel hydroxide |
| CN104096527A (en) * | 2014-07-23 | 2014-10-15 | 安庆市东徽机械有限公司 | Reaction still |
| CN104525084A (en) * | 2014-12-29 | 2015-04-22 | 常州市龙道电子商务有限公司 | Reaction kettle capable of defoaming |
| CN106732273A (en) * | 2016-12-26 | 2017-05-31 | 江苏新宏大集团有限公司 | A kind of half water law phosphoric acid special agitating apparatus |
| CN106732273B (en) * | 2016-12-26 | 2024-05-24 | 江苏新宏大集团有限公司 | Special agitating unit of semi-water process phosphoric acid |
| CN109012351A (en) * | 2018-08-09 | 2018-12-18 | 泰山石膏（巢湖）有限公司 | Agitator tank is used in a kind of preparation of plasterboard foaming agent |
| CN109276917B (en) * | 2018-11-27 | 2023-10-03 | 河钢股份有限公司承德分公司 | Wet reactor and reaction method |
| CN109276917A (en) * | 2018-11-27 | 2019-01-29 | 河钢股份有限公司承德分公司 | Wet process reactor and reaction method |
| CN110127775A (en) * | 2019-05-16 | 2019-08-16 | 赣州逸豪优美科实业有限公司 | A kind of reaction kettle for the dropping liquid uniform, controllable being used to prepare cobalt carbonate |
| CN110127775B (en) * | 2019-05-16 | 2021-08-31 | 赣州逸豪优美科实业有限公司 | A even controllable reation kettle of dropping liquid for preparing cobalt carbonate |
| US11735730B2 (en) | 2022-02-09 | 2023-08-22 | Zhejiang Greatwall Mixers Co., Ltd. | Ternary precursor of lithium ion battery as well as preparation method and preparation device |
| CN114149033A (en) * | 2022-02-09 | 2022-03-08 | 浙江长城搅拌设备股份有限公司 | Ternary precursor of lithium ion battery, preparation method and preparation device thereof |
| CN114956197A (en) * | 2022-06-20 | 2022-08-30 | 江西佳纳能源科技有限公司 | Spherical cobalt carbonate, preparation method thereof and lithium ion battery cathode material |
| CN114956197B (en) * | 2022-06-20 | 2024-05-28 | 江西佳纳能源科技有限公司 | Spherical cobalt carbonate, preparation method thereof and lithium ion battery anode material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120418 Termination date: 20150824 |
|
| EXPY | Termination of patent right or utility model |