CN202352770U - Production equipment of cathode or anode material of lithium battery - Google Patents

Production equipment of cathode or anode material of lithium battery Download PDF

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Publication number
CN202352770U
CN202352770U CN2011205187590U CN201120518759U CN202352770U CN 202352770 U CN202352770 U CN 202352770U CN 2011205187590 U CN2011205187590 U CN 2011205187590U CN 201120518759 U CN201120518759 U CN 201120518759U CN 202352770 U CN202352770 U CN 202352770U
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China
Prior art keywords
spiral
expect
continuously
gas
reaction unit
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Withdrawn - After Issue
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CN2011205187590U
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Chinese (zh)
Inventor
蒋永乐
向文国
王岳
段钰锋
蒋永善
贺兆书
李俊峰
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JINING WUJIE TECHNOLOGY Co Ltd
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JINING WUJIE TECHNOLOGY Co Ltd
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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 production equipment of a cathode or anode material of a lithium battery. The production equipment is composed of a feeding device, a fluidized bed mixing device, a gas-solid separator, a preheating section of a spiral continuous material conveying reaction device, a reaction section of the spiral continuous material conveying reaction device and a cooling device, wherein the preheating section of the spiral continuous material conveying reaction device is located at the upper part on the reaction section of the spiral continuous material conveying reaction device, heating devices are respectively arranged outside the preheating section of the spiral continuous material conveying reaction device and the reaction section of the spiral continuous material conveying reaction device, spiral material overturning devices are respectively arranged in the preheating section of the spiral continuous material conveying reaction device and the reaction section of the spiral continuous material conveying reaction device, the gas-solid separator is arranged at the top of the preheating section of the spiral continuous material conveying reaction device, the cooling device is connected with the lower end of the reaction section of the spiral continuous material conveying reaction device, a product outlet is formed on the cooling device, the gas-solid separator is connected with the upper end of the fluidized bed mixing device, the screw type feeding device is arranged on the side surface of the lower end of the fluidized bed mixing device, a raw material inlet is formed on the feeding device, a fluidizing gas inlet is formed at the bottom of the fluidized bed mixing device, a gas outlet is formed at the top end of the gas-solid separator, and a reaction section gas inlet is formed at the bottom of the reaction section of the spiral continuous material conveying reaction device. According to the utility model, the purposes of high efficiency, low energy consumption, and continuous production of the cathode or anode material of the lithium battery are realized.

Description

The production equipment of lithium battery anode or negative material
Technical field
The utility model relates to the production equipment of a kind of lithium battery anode or negative material, adopts solid-phase synthesis to produce lithium battery anode or negative material.
Background technology
The production of lithium ion battery is emerging industry, has vast potential for future development.Comparatively ripe at present lithium ion battery just (is being born) utmost point material preparation method and is mainly being adopted solid-phase synthesis, and its main advantage is that technology is very simple, and preparation condition is controlled easily.Preparation process with manganate cathode material for lithium is an example, with Li 2CO 3With MnO 2Feed particles is mixed, and at 500-900 ℃ high-temperature calcination number hour, can obtain LiMn2O4.With LiCoO 2The preparation process of positive electrode is an example, with lithium carbonate Li 2CO 3With the oxide of cobalt (like cobalt carbonate CoCO 3, basic cobaltous carbonate 2CoCO 33Co (OH) 23H 2O, cobalt protoxide CoO, cobalt oxide Co 2O 3Or Co 3O 4Deng) particle mixes in proportion, the thermal synthesis of 500-900 ℃ of calcining some hrs solid phase is prepared under air atmosphere.Preparation process with lithium titanate anode material is an example, with lithium carbonate Li 2CO 3And titanyl compound is (like Ti 2O, TiO, Ti 2O 3, Ti 3O 5, Ti 4O 7, TiO 2, titanium carbonate, basic carbonate titanium etc.) and particle mixes in proportion, is prepared from the thermal synthesis of air atmosphere 500-900 ℃ of calcining some hrs solid phase.Yet solid-phase synthesis just (is being born) utmost point material preparation method as a kind of important lithium ion battery, and its process for producing is that ball mill mixes the laggard discontinuous mode of production of going into board-like electric furnace heating, and automaticity is extremely low, is difficult to adapt to large-scale production.Therefore, be necessary improvement, further improve the scale of producing, improve the lithium ion battery performance and reduce the cost of just (bearing) utmost point material through production equipment.
Summary of the invention
The purpose of the utility model provides the production equipment of a kind of lithium battery anode or negative material; Solve the existing equipment automaticity low, can't realize the quantity-produced defective, realize efficient, low energy consumption and the production of producing lithium battery anode or negative material continuously.
The purpose of the utility model realizes as follows: the production equipment of this lithium battery anode or negative material; Walk to expect that by charging gear, fluid bed mixing arrangement, gas-solid separator, spiral reaction unit preheating section, spiral walk to expect that reaction unit conversion zone and cooling device form continuously continuously; Spiral walks to expect that the reaction unit preheating section is in spiral and walks to expect that reaction unit conversion zone top and the two outside have heater, set inside spiral stirrer respectively continuously continuously; Spiral walks to expect reaction unit preheating section top arrangement gas-solid separator continuously; Spiral walks to expect that reaction unit conversion zone lower end connects cooling device continuously, and cooling device is provided with the product outlet, and the upper end of fluid bed mixing arrangement connects gas-solid separator; Fluid bed mixing arrangement lower end side is arranged spiral charging gear; The feed(raw material)inlet is set on the charging gear, and fluid bed mixing arrangement bottom is provided with the fluidisation air inlet, and the gas-solid separator top is provided with gas vent; Spiral walks to expect that reaction unit conversion zone bottom is provided with the conversion zone air inlet continuously.
The charging gear that fluid bed mixing arrangement lower end is arranged at least one, charging gear or be 2,3,4, charging gear are 2 and circumferentially are uniformly distributed with when above.
Cooling device is the water jacket cooling device, is provided with cooler water inlet and cooler outlet.
When utilizing above production equipment to produce lithium battery anode or negative material, lithium battery anode or negative pole prepare raw material and at first get into the fluid bed mixing arrangement through charging gear; In the fluid bed mixing arrangement, lithium battery anode or negative pole prepare raw material and fully mix, and separate back entering spiral through gas-solid separator and walk to expect the reaction unit preheating section continuously; Walk to expect continuously in the reaction unit preheating section at spiral, lithium battery anode or negative pole are prepared raw material preheating directly get into spiral after 200-600 ℃ and walk to expect the reaction unit conversion zone continuously; Walk to expect that at spiral in the reaction unit conversion zone, lithium battery anode or negative pole prepare raw material under 300-900 ℃ temperature continuously, reaction generates lithium battery anode or negative material, and the lithium battery anode or the negative material that generate then get into cooling device; In cooling device, lithium battery anode or the negative material that generates cooled off, the lithium battery anode of generation or negative material are finally discharged from the product outlet.The particle diameter that lithium battery anode or negative pole prepare raw material is 0.1-100 μ m.Lithium battery anode or negative pole prepare raw material and walk to expect that through spiral reaction unit preheating section, spiral walk to expect the reaction unit conversion zone continuously continuously continuously.The fluidisation air inlet of fluid bed mixing arrangement bottom is connected with the fluidizing gas of not participating in generating lithium battery anode or negative material reaction.Spiral walks to expect that reaction unit conversion zone bottom is provided with the conversion zone air inlet and is connected with the fluidizing gas of participating in or do not participate in generating lithium battery anode or negative material reaction continuously.Spiral walks to expect that reaction unit preheating section and spiral walk to expect reaction unit conversion zone heater continuously continuously, and its heat provides through electric furnace or elevated temperature heat flue gas.
The utility model solve the existing equipment automaticity low, can't realize the quantity-produced defective, realize efficient, low energy consumption and the production technology of producing lithium battery anode or negative material continuously, have the following advantages:
(1) prepare the mix stages of raw material at negative or positive electrode, the utility model can realize that negative or positive electrode prepares the continuous mixing of raw material.At present comparatively ripe hybrid technology adopts is to be that 0.1-100 μ m lithium battery anode or negative pole prepare raw material and add in the ball mill that agate ball is housed and mix with two to four kinds of particle diameters; After 3-5 hour, from ball mill, discharge; Therefore can't realize continuous mixing; The utility model then utilizes the intense mixing ability of fluid bed, lithium battery anode or negative pole is prepared raw material add continuously in the fluid bed mixing arrangement through charging gear, has realized the continuous mixing that lithium battery anode or negative pole are prepared raw material; Omitted owing to use the shutdown that ball crusher brought to feed in raw material the discharge process.Promptly practice thrift human cost, improved production efficiency again.
(2), thereby solved because the problem that the chemical property that the heterogencity of partial structurtes causes descends because the utility model adopts fluid bed as mixing arrangement, and it is even that its extremely strong disturbance ability can make negative or positive electrode prepare raw materials mix.
(3) prepare the stage of reaction of raw material at negative or positive electrode, the utility model can be realized the continuous production of lithium battery anode or negative material.In the stage of reaction, present technical process mainly is negative or positive electrode to be prepared raw material be filled in each crucible and after opening ventilation hole, put into board-like electric furnace behind warm-up phase, the stage of reaction and cooling stage, the manual taking-up manual the branch.In the entire reaction stage, automaticity and production efficiency are lower, can't satisfy requirement of large-scale production.The utility model then utilizes spiral to walk to expect reaction unit continuously, and negative or positive electrode is prepared raw material from top to bottom, utilizes spiral to walk material mode process continuously, behind warm-up phase, the stage of reaction and the cooling stage, realizes the preparation of lithium battery anode or negative material.Omit the manual link in the present technical process, improved production efficiency, enabled to adapt to the requirement of large-scale production.
(4) prepare the stage of reaction of raw material at negative or positive electrode, in the traditional handicraft, negative or positive electrode prepares in the raw material crucible does not have relative motion, causes its crystal grain irregular shape, and grain boundary size is bigger, and particle size distribution is wide, thereby has reduced its chemical property.Utilizing spiral to walk the material mode has then increased the relative motion between the particle, makes crystal grain possess advantages such as structure homogeneous, grain boundary size is little, particle size distribution range is little, has improved its chemical property.
(5) the utility model can greatly reduce the reaction unit floor space, compares its floor space with traditional technology and can reduce 40%-70%.
(6) in traditional technological process, it is temperature required to have adopted electric heating to keep reaction.The utility model can adopt fossil fuels such as the direct gas-firing of burner, synthesis gas, oil and coal, utilizes the high-temperature flue gas after the burning for reaction unit preheating section and conversion zone heat to be provided, and keeps reaction temperature.Fossil fuel is a primary energy, and electric energy is secondary energy sources, compares with direct electric heating, adopts fossil fuel more economical, has remarkable energy saving effect.
Description of drawings
Fig. 1 is the sketch map of first kind of structure of the utility model.
Fig. 2 is the sketch map of second kind of structure of the utility model.
Fig. 3 is the sketch map of the third structure of the utility model.
Embodiment
With reference to Fig. 1, Fig. 2, Fig. 3; The production equipment of this lithium battery anode or negative material; It walks to expect that by charging gear 1, fluid bed mixing arrangement 2, gas-solid separator 3, spiral reaction unit preheating section 4, spiral walk to expect that reaction unit conversion zone 5 and cooling device 6 form continuously continuously; Spiral walks to expect that reaction unit preheating section 4 is in spiral and walks to expect that reaction unit conversion zone 5 tops and the two outside have heater, set inside spiral stirrer respectively continuously continuously, and spiral walks to expect reaction unit preheating section 4 top arrangement gas-solid separators 3 continuously, and spiral walks to expect that reaction unit conversion zone 5 lower ends connect cooling device 6 continuously; Cooling device 6 is provided with product outlet E; The upper end of fluid bed mixing arrangement 2 connects gas-solid separator 3, and fluid bed mixing arrangement 2 lower end side are arranged spiral charging gear 1, and feed(raw material)inlet A is set on the charging gear 1; Fluid bed mixing arrangement 2 bottoms are provided with fluidisation air inlet B, and gas-solid separator 3 tops are provided with gas vent G; Spiral walks to expect that reaction unit conversion zone 5 bottoms are provided with conversion zone air inlet C continuously.Cooling device 6 is the water jacket cooling device, is provided with cooler water inlet D and cooler outlet F.Wherein: Fig. 1 shows the situation that a charging gear 1 is arranged in fluid bed mixing arrangement 2 lower ends; Fig. 2 shows the situation of two charging gears 1, the first charging gear 1-1 and the second charging gear 1-2 symmetric arrangement; Fig. 3 has gone out the situation of three charging gears 1, and the first charging gear 1-1, the second charging gear 1-2 and the 3rd charging gear 1-3 are along circumferentially being uniformly distributed with.Fig. 1, Fig. 2, Fig. 3 are except because the quantity difference of charging gear 1, other part-structure is identical.
During production, lithium battery anode or negative pole prepare raw material and at first get into fluid bed mixing arrangement 2 through charging gear 1; In fluid bed mixing arrangement 2, lithium battery anode or negative pole prepare raw material and fully mix, and separate back entering spiral through gas-solid separator 3 and walk to expect reaction unit preheating section 4 continuously; Walk to expect continuously in the reaction unit preheating section 4 at spiral, lithium battery anode or negative pole are prepared raw material preheating directly get into spiral after 200-600 ℃ and walk to expect reaction unit conversion zone 5 continuously; Walk to expect that at spiral in the reaction unit conversion zone 5, lithium battery anode or negative pole prepare raw material under 300-900 ℃ temperature continuously, reaction generates lithium battery anode or negative material, and the lithium battery anode or the negative material that generate then get into cooling device 6; In cooling device 6, lithium battery anode or the negative material that generates cooled off, the lithium battery anode of generation or negative material are finally discharged from product outlet E.The particle diameter that lithium battery anode or negative pole prepare raw material is 0.1-100 μ m.Lithium battery anode or negative pole prepare raw material and walk to expect that through spiral reaction unit preheating section 4, spiral walk to expect reaction unit conversion zone 5 continuously continuously continuously.The fluidisation air inlet B of fluid bed mixing arrangement 2 bottoms is connected with the fluidizing gas of not participating in generating lithium battery anode or negative material reaction.Spiral walks to expect that reaction unit conversion zone 5 bottoms are provided with conversion zone air inlet C and are connected with the fluidizing gas of participating in or do not participate in generating lithium battery anode or negative material reaction continuously.Spiral walks to expect that reaction unit preheating section 4 and spiral walk to expect reaction unit conversion zone 5 heaters continuously continuously, and its heat provides through electric furnace or elevated temperature heat flue gas.

Claims (3)

1. the production equipment of lithium battery anode or negative material; It is characterized in that: it walks to expect that by charging gear (1), fluid bed mixing arrangement (2), gas-solid separator (3), spiral reaction unit preheating section (4), spiral walk to expect that reaction unit conversion zone (5) and cooling device (6) form continuously continuously; Spiral walks to expect that reaction unit preheating section (4) is in spiral and walks to expect that reaction unit conversion zone (5) top and the two outside have heater, set inside spiral stirrer respectively continuously continuously; Spiral walks to expect reaction unit preheating section (4) top arrangement gas-solid separator (3) continuously; Spiral walks to expect that reaction unit conversion zone (5) lower end connects cooling device (6) continuously; Cooling device (6) is provided with product outlet (E); The upper end of fluid bed mixing arrangement (2) connects gas-solid separator (3), and fluid bed mixing arrangement (2) lower end side is arranged spiral charging gear (1), and feed(raw material)inlet (A) is set on the charging gear (1); Fluid bed mixing arrangement (2) bottom is provided with fluidisation air inlet (B), and gas-solid separator (3) top is provided with gas vent (G); Spiral walks to expect that reaction unit conversion zone (5) bottom is provided with conversion zone air inlet (C) continuously.
2. the production equipment of lithium battery anode according to claim 1 or negative material; It is characterized in that: the charging gear (1) that fluid bed mixing arrangement (2) lower end is arranged at least one; Charging gear (1) or be 2,3,4, charging gear (1) are 2 and circumferentially are uniformly distributed with when above.
3. the production equipment of lithium battery anode according to claim 1 or negative material is characterized in that: cooling device (6) is the water jacket cooling device, is provided with cooler water inlet (D) and cooler outlet (F).
CN2011205187590U 2011-12-13 2011-12-13 Production equipment of cathode or anode material of lithium battery Withdrawn - After Issue CN202352770U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011205187590U CN202352770U (en) 2011-12-13 2011-12-13 Production equipment of cathode or anode material of lithium battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011205187590U CN202352770U (en) 2011-12-13 2011-12-13 Production equipment of cathode or anode material of lithium battery

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CN202352770U true CN202352770U (en) 2012-07-25

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CN2011205187590U Withdrawn - After Issue CN202352770U (en) 2011-12-13 2011-12-13 Production equipment of cathode or anode material of lithium battery

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102427128A (en) * 2011-12-13 2012-04-25 济宁市无界科技有限公司 Device and process for manufacturing positive/negative electrode material of lithium battery

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102427128A (en) * 2011-12-13 2012-04-25 济宁市无界科技有限公司 Device and process for manufacturing positive/negative electrode material of lithium battery
CN102427128B (en) * 2011-12-13 2013-11-20 济宁市无界科技有限公司 Device and process for manufacturing positive/negative electrode material of lithium battery

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GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20120725

Effective date of abandoning: 20131120

RGAV Abandon patent right to avoid regrant