CN220405579U - Binary precursor preparation device - Google Patents
Binary precursor preparation device Download PDFInfo
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- CN220405579U CN220405579U CN202320927050.9U CN202320927050U CN220405579U CN 220405579 U CN220405579 U CN 220405579U CN 202320927050 U CN202320927050 U CN 202320927050U CN 220405579 U CN220405579 U CN 220405579U
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- 239000002243 precursor Substances 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 claims abstract description 136
- 238000004891 communication Methods 0.000 claims description 23
- 238000007599 discharging Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 abstract description 37
- 239000007788 liquid Substances 0.000 abstract description 28
- 238000004064 recycling Methods 0.000 abstract description 16
- 238000005336 cracking Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract description 3
- 230000008719 thickening Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- 238000000926 separation method Methods 0.000 description 5
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
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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 discloses a preparation device of binary precursors, which comprises a first reaction kettle, a second reaction kettle, a third reaction kettle, a fourth reaction kettle, a first overflow groove and a second overflow groove. The first reaction kettle and the second reaction kettle are used for carrying out reaction, the first overflow groove and the second overflow groove are used for receiving overflow liquid in different reaction stages, the third reaction kettle and the fourth reaction kettle are used for recycling the overflow liquid in different stages, and the overflow liquid is reacted to prepare qualified products. The preparation device of the binary precursor can realize graded overflow and graded total recovery of overflow liquid, can save cost, improve production efficiency, and effectively improve the problems of uniformity, consistency, cracking and the like of the finished product of precursor particles.
Description
Technical Field
The utility model belongs to the technical field of binary precursor preparation, and particularly relates to a binary precursor preparation device.
Background
In the prior art, the synthesis reaction of partial type binary precursors is carried out in three stages of thickening, overflow and thickening, and two overflow material treatment methods are adopted in the overflow stage, wherein one overflow material treatment method is recycled in the reaction stage, but because the particle size in overflow liquid is inconsistent with the particle size in reaction liquid, the recycling of the overflow liquid can cause the problems of poor uniformity, cracking and the like of precursor products, and unqualified products are generated; the other is to recycle after direct treatment, the recycled overflow material is required to be subjected to the processes of filter pressing, acid dissolution, preparation and the like, the recycling process is long, and the recycling cost is high.
Disclosure of Invention
Aiming at the problems existing in the prior art, the utility model provides a preparation device of a binary precursor, which specifically comprises the following steps:
the preparation device of the binary precursor comprises a first reaction kettle 1, a second reaction kettle 2, a third reaction kettle 3, a fourth reaction kettle 4, a first overflow groove 5 and a second overflow groove 6; the first reaction kettle 1 is provided with a first overflow port and a first communication port, the second reaction kettle 2 is provided with a second overflow port and a second communication port, the third reaction kettle 3 is provided with a third feed port and a third overflow port, the fourth reaction kettle 4 is provided with a fourth feed port, the first overflow tank 5 is provided with a fifth feed port and a fifth discharge port, and the second overflow tank 6 is provided with a sixth feed port and a sixth discharge port; the first communication port and the second communication port are connected through a first pipeline; the first overflow port is connected with the fifth feeding port and the sixth feeding port through a second pipeline and a ninth pipeline respectively; the second overflow port is connected with the fifth feed port and the sixth feed port through a third pipeline and a fourth pipeline respectively; the third feeding port is connected with the fifth discharging port through a fifth pipeline; the third overflow port is connected with the fifth feeding port and the sixth feeding port through a sixth pipeline and a seventh pipeline respectively; the fourth feed inlet is connected with the sixth discharge outlet through an eighth pipeline.
Preferably, the first communication port is arranged at the bottom of the first reaction kettle 1; the second communication port is arranged at the bottom of the second reaction kettle 2.
Preferably, a first valve 7 is arranged on the first pipeline; a second valve 8 is arranged on the second pipeline; a third valve 9 is arranged on the third pipeline; a fourth valve 10 is arranged on the fourth pipeline; the fifth pipeline is provided with a first delivery pump 11; a sixth valve 12 is arranged on the sixth pipeline; a seventh valve 13 is arranged on the seventh pipeline; a second delivery pump 14 is arranged on the eighth pipeline; a ninth valve 15 is provided on the ninth conduit.
Preferably, the automatic control device further comprises an input module, a control module and a calculation module respectively connected with the input module and the control module, and the control module is further respectively connected with the first valve 7, the second valve 8, the third valve 9, the fourth valve 10, the first delivery pump 11, the sixth valve 12, the second delivery pump 14 and the ninth valve 15.
The utility model discloses a method for preparing a binary precursor based on a preparation device of the binary precursor, which comprises the following steps:
(1) Primary reaction: feeding materials into a first reaction kettle 1, starting to react, and separating part of the reaction system into a second reaction kettle 2 through a first pipeline when the particle D50 generated in the first reaction kettle 1 reaches 7-8 mu m;
(2) First overflow: the first reaction kettle 1 and the second reaction kettle 2 simultaneously react and overflow to the first overflow tank 5 through a second pipeline and a third pipeline respectively;
(3) Second overflow: when the particle D50 generated in the reaction system reaches 10-11 mu m, the first reaction kettle 1 and the second reaction kettle 2 stop overflowing to the first overflow groove 5 and start overflowing to the second overflow groove 6 through a ninth pipeline and a fourth pipeline;
(4) And (3) thickening: stopping overflowing to the second overflow groove 6 when the D50 of the particles generated in the reaction system reaches 12-13 mu m, and switching the first reaction kettle 1 and the second reaction kettle 2 to a dense state until the D50 of the particles reaches 15-17 mu m;
(5) Recycling the first overflow liquid: the overflow liquid in the first overflow groove 5 is conveyed into the third reaction kettle 3 for reaction through a fifth pipeline, and overflows to the first overflow groove 5 through a sixth pipeline at the same time; stopping overflowing to the first overflow tank 5 and starting overflowing to the second overflow tank 6 through the seventh pipeline when the particle D50 in the third reaction kettle 3 reaches 10-11 mu m; stopping overflowing to the second overflow groove 6 when the particle D50 in the third reaction kettle 3 reaches 12-13 mu m, and switching the third reaction kettle 3 to a dense state until the particle D50 reaches 15-17 mu m;
(6) And (3) recycling the second overflow liquid: and (3) conveying overflow liquid in the second overflow tank 6 into the fourth reaction kettle 4 through an eighth pipeline, starting up for thickening, and stopping when the particle D50 reaches 15-17 mu m.
The utility model has the beneficial effects that:
(1) The device disclosed by the utility model comprises a first reaction kettle 1, a second reaction kettle 2, a third reaction kettle 3, a fourth reaction kettle 4, a first overflow groove 5 and a second overflow groove 6, wherein the first reaction kettle 1 and the second reaction kettle 2 are used for carrying out reaction, the first overflow groove 5 and the second overflow groove 6 are used for receiving overflow liquid in different reaction stages, the third reaction kettle 3 and the fourth reaction kettle 4 are used for recycling the overflow liquid in different stages, and the overflow liquid is reacted to prepare qualified products. The device disclosed by the utility model has the advantages of simple structure and reasonable design, can realize graded overflow and graded total recovery of overflow liquid, can save cost and can improve production efficiency.
(2) The first communication port and the second communication port are respectively arranged at the bottoms of the first reaction kettle 1 and the second reaction kettle 2 in the device disclosed by the utility model, the first communication port and the second communication port are connected through the first pipeline provided with the first valve 7, the kettle separation can be realized by opening the first valve 7, the kettle separation can be stopped by closing the first valve 7, the use of conveying equipment during the kettle separation is reduced by adopting the design of the structure, the energy can be saved, the kettle separation can be rapidly and accurately completed, and the kettle separation efficiency is higher.
(3) The device disclosed by the utility model is further provided with an automatic control device, the automatic control device comprises an input module, a control module and a calculation module which is respectively connected with the input module and the control module, the input module is used for presetting reaction parameters, the calculation module is used for calculating according to the preset reaction parameters to obtain a calculation result, the control module is used for generating a control signal according to the calculation result, and the control module is also respectively connected with the first valve 7, the second valve 8, the third valve 9, the fourth valve 10, the first delivery pump 11, the sixth valve 12, the second delivery pump 14 and the ninth valve 15, so that the automatic operation of each device can be controlled. Through this device, can realize production automation, practice thrift a large amount of human costs.
(4) The method for preparing the binary precursor based on the preparation device of the binary precursor disclosed by the utility model comprises the steps of initial reaction, first overflow, second overflow, thickening, recycling of first overflow liquid, recycling of second overflow liquid and the like, and overflow materials are all recycled in the reaction stage in the reaction process, so that the recovery flow can be shortened, and the cost is reduced.
(5) The method for preparing the binary precursor disclosed by the utility model can be used for recycling overflow materials with large and small particle diameters in the reaction stage in a grading manner, so that the problems of uniformity, consistency, cracking and the like of the precursor particle finished product can be effectively improved.
Drawings
FIG. 1 is a schematic diagram of the connection relationship of a binary precursor preparation device disclosed by the utility model.
Detailed Description
The utility model will be described in detail with reference to fig. 1 and the detailed description. The embodiments shown below do not limit the inventive content described in the claims in any way. The whole contents of the constitution shown in the following examples are not limited to the solution of the utility model described in the claims.
Referring to fig. 1, a binary precursor preparation device comprises a first reaction kettle 1, a second reaction kettle 2, a third reaction kettle 3, a fourth reaction kettle 4, a first overflow groove 5 and a second overflow groove 6; the first reaction kettle 1 is provided with a first overflow port and a first communication port, the second reaction kettle 2 is provided with a second overflow port and a second communication port, the third reaction kettle 3 is provided with a third feed port and a third overflow port, the fourth reaction kettle 4 is provided with a fourth feed port, the first overflow tank 5 is provided with a fifth feed port and a fifth discharge port, and the second overflow tank 6 is provided with a sixth feed port and a sixth discharge port; the first communication port and the second communication port are connected through a first pipeline; the first overflow port is connected with the fifth feeding port and the sixth feeding port through a second pipeline and a ninth pipeline respectively; the second overflow port is connected with the fifth feed port and the sixth feed port through a third pipeline and a fourth pipeline respectively; the third feeding port is connected with the fifth discharging port through a fifth pipeline; the third overflow port is connected with the fifth feeding port and the sixth feeding port through a sixth pipeline and a seventh pipeline respectively; the fourth feed inlet is connected with the sixth discharge outlet through an eighth pipeline.
In one embodiment of the utility model, the first pipe is provided with a first valve 7; a second valve 8 is arranged on the second pipeline; a third valve 9 is arranged on the third pipeline; a fourth valve 10 is arranged on the fourth pipeline; the fifth pipeline is provided with a first delivery pump 11; a sixth valve 12 is arranged on the sixth pipeline; a seventh valve 13 is arranged on the seventh pipeline; a second delivery pump 14 is arranged on the eighth pipeline; a ninth valve 15 is provided on the ninth conduit.
In one embodiment of the utility model, the first communication port is arranged at the bottom of the first reaction kettle 1; the second communication port is arranged at the bottom of the second reaction kettle 2.
In one embodiment of the present utility model, the automatic control device further comprises an input module, a control module, and a calculation module respectively connected with the input module and the control module, wherein the control module is further respectively connected with the first valve 7, the second valve 8, the third valve 9, the fourth valve 10, the first delivery pump 11, the sixth valve 12, the second delivery pump 14, and the ninth valve 15.
Example 1
The utility model discloses a method for preparing a binary precursor based on a preparation device of the binary precursor, which comprises the following steps:
(1) Primary reaction: feeding materials into a first reaction kettle 1, starting to react, and separating part of the reaction system into a second reaction kettle 2 through a first pipeline when the particle D50 generated in the first reaction kettle 1 reaches 8 mu m;
(2) First overflow: the first reaction kettle 1 and the second reaction kettle 2 simultaneously react and overflow to the first overflow tank 5 through a second pipeline and a third pipeline respectively;
(3) Second overflow: when the particle D50 generated in the reaction system reaches 11 mu m, the first reaction kettle 1 and the second reaction kettle 2 stop overflowing to the first overflow groove 5 and start overflowing to the second overflow groove 6 through a ninth pipeline and a fourth pipeline;
(4) And (3) thickening: stopping overflowing to the second overflow groove 6 when the D50 of the particles generated in the reaction system reaches 13 mu m, and switching the first reaction kettle 1 and the second reaction kettle 2 to a dense state until the D50 of the particles reaches 17 mu m;
(5) Recycling the first overflow liquid: the overflow liquid in the first overflow groove 5 is conveyed into the third reaction kettle 3 for reaction through a fifth pipeline, and overflows to the first overflow groove 5 through a sixth pipeline at the same time; stopping overflow to the first overflow tank 5 and starting overflow to the second overflow tank 6 through the seventh pipe when the particle D50 in the third reaction tank 3 reaches 11. Mu.m; stopping overflowing to the second overflow groove 6 when the particle D50 in the third reaction kettle 3 reaches 13 mu m, and switching the third reaction kettle 3 to a dense state until the particle D50 reaches 17 mu m;
(6) And (3) recycling the second overflow liquid: and (3) conveying overflow liquid in the second overflow tank 6 into the fourth reaction kettle 4 through an eighth pipeline, starting up for thickening, and stopping when the particle D50 reaches 17 mu m.
Example 2
The utility model discloses a method for preparing a binary precursor based on a preparation device of the binary precursor, which comprises the following steps:
(1) Primary reaction: feeding materials into a first reaction kettle 1, starting to react, opening a valve on a first pipeline when the particle D50 generated in the first reaction kettle 1 reaches 7 mu m, and separating part of the reaction system into a second reaction kettle 2 through the first pipeline;
(2) First overflow: the first reaction kettle 1 and the second reaction kettle 2 simultaneously react, and the second valve 8 and the third valve 9 are opened, and overflow to the first overflow tank 5 is respectively carried out through the second pipeline and the third pipeline;
(3) Second overflow: when the particle D50 generated in the reaction system reaches 10 mu m, closing the corresponding valve, controlling the first reaction kettle 1 and the second reaction kettle 2 to stop overflowing to the first overflow groove 5, opening the ninth valve 15 and the fourth valve 10, and starting overflowing to the second overflow groove 6 through the ninth pipeline and the fourth pipeline;
(4) And (3) thickening: when the D50 of the particles generated in the reaction system reaches 12 mu m, closing the corresponding valve, controlling to stop overflowing to the second overflow groove 6, switching the first reaction kettle 1 and the second reaction kettle 2 to a dense state, and stopping the operation until the D50 of the particles reaches 15 mu m;
(5) Recycling the first overflow liquid: the first delivery pump 11 is turned on, the overflow liquid in the first overflow tank 5 is delivered into the third reaction kettle 3 for reaction through the fifth pipeline, and meanwhile, the sixth valve 12 is turned on, and overflows to the first overflow tank 5 through the sixth pipeline; when the particle D50 in the third reaction kettle 3 reaches 10 mu m, closing the corresponding valve, controlling to stop overflowing to the first overflow tank 5, opening the seventh valve 13, and starting overflowing to the second overflow tank 6 through the seventh pipeline; when the particle D50 in the third reaction kettle 3 reaches 12 mu m, closing the corresponding valve, controlling to stop overflowing to the second overflow groove 6, switching the third reaction kettle 3 to a dense state, and stopping the reaction until the particle D50 reaches 15 mu m;
(6) And (3) recycling the second overflow liquid: and (3) turning on a second delivery pump 14, delivering overflow liquid in the second overflow tank 6 to the fourth reaction kettle 4 through an eighth pipeline, starting up for thickening, and stopping when the particle D50 reaches 15 mu m.
In this embodiment, the control of the start and stop of each valve and the delivery pump can be completed by manual operation, or can be completed by automatic control of an automatic control device of the binary precursor preparation device.
Example 3
The utility model discloses a method for preparing a binary precursor based on a preparation device of the binary precursor, which comprises the following steps:
(1) Primary reaction: feeding materials into a first reaction kettle 1, starting to react, and separating part of the reaction system into a second reaction kettle 2 through a first pipeline when the D50 of particles generated in the first reaction kettle 1 reaches 7.5 mu m;
(2) First overflow: the first reaction kettle 1 and the second reaction kettle 2 simultaneously react and overflow to the first overflow tank 5 through a second pipeline and a third pipeline respectively;
(3) Second overflow: when the particle D50 generated in the reaction system reaches 10.5 mu m, the first reaction kettle 1 and the second reaction kettle 2 stop overflowing to the first overflow groove 5 and start overflowing to the second overflow groove 6 through a ninth pipeline and a fourth pipeline;
(4) And (3) thickening: stopping overflowing to the second overflow groove 6 when the D50 of the particles generated in the reaction system reaches 12.5 mu m, and switching the first reaction kettle 1 and the second reaction kettle 2 to a dense state until the D50 of the particles reaches 16 mu m;
(5) Recycling the first overflow liquid: the overflow liquid in the first overflow groove 5 is conveyed into the third reaction kettle 3 for reaction through a fifth pipeline, and overflows to the first overflow groove 5 through a sixth pipeline at the same time; stopping overflow to the first overflow tank 5 and starting overflow to the second overflow tank 6 through the seventh pipe when the particle D50 in the third reaction tank 3 reaches 10.5. Mu.m; stopping overflowing to the second overflow tank 6 when the particle D50 in the third reaction kettle 3 reaches 12.5 mu m, and switching the third reaction kettle 3 to a dense state until the particle D50 reaches 16 mu m;
(6) And (3) recycling the second overflow liquid: and (3) conveying overflow liquid in the second overflow tank 6 into the fourth reaction kettle 4 through an eighth pipeline, starting up for thickening, and stopping when the particle D50 reaches 16 mu m.
Unless specifically stated and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. The preparation device of the binary precursor is characterized by comprising a first reaction kettle, a second reaction kettle, a third reaction kettle, a fourth reaction kettle, a first overflow groove and a second overflow groove; the first reaction kettle is provided with a first overflow port and a first communication port, the second reaction kettle is provided with a second overflow port and a second communication port, the third reaction kettle is provided with a third feed port and a third overflow port, the fourth reaction kettle is provided with a fourth feed port, the first overflow tank is provided with a fifth feed port and a fifth discharge port, and the second overflow tank is provided with a sixth feed port and a sixth discharge port; the first communication port and the second communication port are connected through a first pipeline; the first overflow port is connected with the fifth feeding port and the sixth feeding port through a second pipeline and a ninth pipeline respectively; the second overflow port is connected with the fifth feed port and the sixth feed port through a third pipeline and a fourth pipeline respectively; the third feeding port is connected with the fifth discharging port through a fifth pipeline; the third overflow port is connected with the fifth feeding port and the sixth feeding port through a sixth pipeline and a seventh pipeline respectively; the fourth feed inlet is connected with the sixth discharge outlet through an eighth pipeline.
2. The apparatus for preparing binary precursor according to claim 1, wherein the first communication port is disposed at the bottom of the first reaction kettle; the second communication port is arranged at the bottom of the second reaction kettle.
3. The apparatus for preparing binary precursor according to any one of claims 1 to 2, wherein a first valve is provided on the first pipe; a second valve is arranged on the second pipeline; a third valve is arranged on the third pipeline; a fourth valve is arranged on the fourth pipeline; the fifth pipeline is provided with a first conveying pump; a sixth valve is arranged on the sixth pipeline; a seventh valve is arranged on the seventh pipeline; a second delivery pump is arranged on the eighth pipeline; and a ninth valve is arranged on the ninth pipeline.
4. The apparatus for preparing a binary precursor according to claim 3, further comprising an automatic control device, wherein the automatic control device comprises an input module, a control module, and a calculation module respectively connected with the input module and the control module, and the control module is further respectively connected with the first valve, the second valve, the third valve, the fourth valve, the first delivery pump, the sixth valve, the second delivery pump, and the ninth valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320927050.9U CN220405579U (en) | 2023-04-20 | 2023-04-20 | Binary precursor preparation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320927050.9U CN220405579U (en) | 2023-04-20 | 2023-04-20 | Binary precursor preparation device |
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| CN220405579U true CN220405579U (en) | 2024-01-30 |
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| CN202320927050.9U Active CN220405579U (en) | 2023-04-20 | 2023-04-20 | Binary precursor preparation device |
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