CN109574093B - Intermittent nickel-cobalt-aluminum precursor preparation method - Google Patents
Intermittent nickel-cobalt-aluminum precursor preparation method Download PDFInfo
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- CN109574093B CN109574093B CN201811601376.2A CN201811601376A CN109574093B CN 109574093 B CN109574093 B CN 109574093B CN 201811601376 A CN201811601376 A CN 201811601376A CN 109574093 B CN109574093 B CN 109574093B
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- reaction kettle
- solvent
- kettle
- sieve
- controller
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- 239000002243 precursor Substances 0.000 title claims abstract description 20
- -1 nickel-cobalt-aluminum Chemical compound 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 66
- 239000002904 solvent Substances 0.000 claims abstract description 40
- 239000002245 particle Substances 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims description 21
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 9
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 9
- 241001330002 Bambuseae Species 0.000 claims description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 9
- 239000011425 bamboo Substances 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- 238000006386 neutralization reaction Methods 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 5
- QXZUUHYBWMWJHK-UHFFFAOYSA-N [Co].[Ni] Chemical compound [Co].[Ni] QXZUUHYBWMWJHK-UHFFFAOYSA-N 0.000 claims description 4
- 239000012687 aluminium precursor Substances 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 230000001376 precipitating effect Effects 0.000 claims description 3
- 239000013618 particulate matter Substances 0.000 claims description 2
- 238000000926 separation method Methods 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G53/00—Compounds of nickel
- C01G53/006—Compounds containing, besides nickel, two or more other elements, with the exception of oxygen or hydrogen
Abstract
The invention relates to the technical field of precursor preparation, and discloses a batch-type nickel-cobalt-aluminum precursor preparation method which comprises a reaction kettle, wherein a first feeding pipe is arranged on one side of the top of the reaction kettle, a second feeding pipe is arranged on the other side of the top of the reaction kettle, a fixing frame is arranged on the top of the reaction kettle, a driving motor is arranged inside the fixing frame, a rotating rod is arranged at one end of an output shaft of the driving motor, a fixed block is arranged at the bottom of one side of the reaction kettle, a supporting frame is arranged at the bottom of the fixed block, a rotating disc is arranged at the bottom of an inner cavity of the supporting frame, and a limiting sleeve is arranged on one side of the top of the rotating disc. According to the preparation method of the intermittent nickel-cobalt-aluminum precursor, the solvent and the particles in the reaction kettle can be conveniently and better separated from each other through the mutual matching of the central controller, the sealing plate and the sieve plate, so that the problem that the separation of the solvent and the particles in the reaction kettle needs to be carried out through other equipment is solved, and the efficiency of solid-liquid separation is improved.
Description
Technical Field
The invention relates to the technical field of precursor preparation, in particular to a batch-type nickel-cobalt-aluminum precursor preparation method.
Background
The nickel-cobalt-aluminum precursor can be prepared by a multi-section process in the preparation process, and mainly comprises the steps of proportioning, reacting, washing, drying and the like, the neutralization reaction efficiency is low when the reaction kettle is used for preparing the nickel-cobalt-aluminum precursor, more particles are easily generated, the final nickel-cobalt-aluminum precursor material is influenced, and meanwhile, after the reaction is finished, the product needs to be subjected to solid-liquid separation by other equipment, certain procedures are added, and the reaction efficiency of the nickel-cobalt-aluminum precursor is lower.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects brought forward by the background technology, the invention provides a method for preparing an intermittent nickel-cobalt-aluminum precursor, which solves the problems brought forward by the background technology.
(II) technical scheme
The invention provides the following technical scheme: a batch-type nickel-cobalt-aluminum precursor preparation method comprises the following steps:
s1: adding a solvent, pouring the proportioned solvent into the reaction kettle through a first feeding pipe and a second feeding pipe respectively, and after the prepared solvent is poured, opening a driving motor to enable an output shaft of the driving motor to drive a rotating rod in the reaction kettle to rotate and stir and neutralize the solvent in the reaction kettle, so that the reaction efficiency of the solvent is improved, and the generation of particles is reduced;
s2: discharging the solvent, precipitating the solvent in the reaction kettle after neutralization is finished, accumulating the particles together, then opening a central controller, controlling a rotating controller by the central controller through a first connecting wire, simultaneously rotating a rotating disc by the rotating controller, enabling a storage cylinder to be positioned under a sieve plate, controlling a second connecting wire by the central controller to enable a converter to generate an instruction to open a sealing plate, and enabling the solvent in the reaction kettle to enter the storage cylinder through the sieve plate;
s3: nickel cobalt aluminium precursor output, after the solvent discharge of reation kettle's inside, accuse ware makes rotation controller control rolling disc take place to rotate in the control, and then make another storage cylinder rotate to the bottom of sieve, then through accuse ware control rotation controller in, send out the order through rotation controller and make the sieve open after that, because the bottom of reation kettle inner chamber is established to arc, make inside particulate matter of reation kettle get into the inside of storage cylinder through the relief hole of reation kettle bottommost when the sieve is opened, nickel cobalt aluminium precursor output.
Preferably, the method is applied to a preparation method, the preparation method comprises a reaction kettle, and the preparation method is characterized in that: a first feeding pipe is arranged on one side of the top of the reaction kettle, a second feeding pipe is arranged on the other side of the top of the reaction kettle, a fixed frame is arranged on the top of the reaction kettle, a driving motor is arranged in the fixing frame, a rotating rod is arranged at one end of an output shaft of the driving motor, a fixing block is arranged at the bottom of one side of the reaction kettle, and the bottom of the fixed block is provided with a supporting frame, the bottom of the inner cavity of the supporting frame is provided with a rotating disc, one side of the top of the rotating disc is provided with a limit sleeve, a storage cylinder is arranged in the limiting sleeve, a rotation controller is arranged at the bottom of the supporting frame, a central controller is arranged at one side of the reaction kettle, the bottom of the central controller is provided with a first connecting wire, the bottom of the reaction kettle is provided with a sealing plate, and the bottom of reation kettle is equipped with the sieve, reation kettle's bottom is equipped with the converter, one side of well accuse ware is equipped with the second connecting wire.
Preferably, the number of the storage cylinders is two, and when the rotating disc rotates 180 degrees, one storage cylinder is always kept under the sieve plate.
Preferably, the dwang is located inside one end fixed mounting of reation kettle has the stirring head, and the diameter value of stirring head is less than reation kettle's internal diameter value.
Preferably, the length values of the sealing plate and the sieve plate are equal, and the length value of the sealing plate is matched with the discharge hole at the bottom of the reaction kettle.
Preferably, the inner diameter value of the limiting sleeve is matched with the outer diameter value of the bottom of the outer surface of the storage barrel.
Preferably, the bottom of the inner cavity of the reaction kettle is designed to be a circular arc, and the discharge hole is positioned at the bottommost part of the reaction kettle.
(III) advantageous effects
Compared with the prior art, the invention provides a preparation method of an intermittent nickel-cobalt-aluminum precursor, which has the following beneficial effects:
1. according to the intermittent nickel-cobalt-aluminum precursor preparation method, through mutual matching of the central controller, the sealing plate and the sieve plate, solid-liquid separation is conveniently performed on the solvent and the particles in the reaction kettle, so that the problem that the separation of the solvent and the particles in the reaction kettle is performed through other equipment is solved, and the efficiency of the solid-liquid separation is improved.
2. According to the intermittent nickel-cobalt-aluminum precursor preparation method, through the mutual matching between the driving motor and the rotating rod, the solvent in the reaction kettle can be conveniently neutralized, so that the problem that the solvent in the reaction kettle is easy to generate more particles in the mixing process is solved, and the solvent neutralization efficiency is improved.
Drawings
FIG. 1 is a schematic front view of the structure of the present invention;
FIG. 2 is an enlarged view of the point A in FIG. 1;
FIG. 3 is a schematic diagram of the operation of the structural system of the present invention.
In the figure: 1. a reaction kettle; 2. a first feed tube; 3. a second feed tube; 4. a fixed mount; 5. a drive motor; 6. rotating the rod; 7. a fixed block; 8. a support frame; 9. rotating the disc; 10. a limiting sleeve; 11. a storage cylinder; 12. a rotation controller; 13. a central controller; 14. a first connecting line; 15. a sealing plate; 16. a sieve plate; 17. a converter; 18. a second connecting line; A. a solvent filtration assembly.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in figure 1, a method for preparing an intermittent nickel-cobalt-aluminum precursor comprises a reaction kettle 1, a first feeding pipe 2 is fixedly sleeved on one side of the top of the reaction kettle 1, a second feeding pipe 3 is fixedly sleeved on the other side of the top of the reaction kettle 1, a fixing frame 4 is fixedly installed on the top of the reaction kettle 1, a driving motor 5 is fixedly sleeved inside the fixing frame 4, the driving motor 5 is suitable for Y280S-8 series, one end of an output shaft of the driving motor 5 is fixedly connected with a rotating rod 6, one end of the rotating rod 6 penetrates through an inner cavity of the reaction kettle 1, a fixing block 7 is fixedly installed on the bottom of one side of the reaction kettle 1, a support frame 8 is fixedly connected with the bottom of the fixing block 7, a rotating disc 9 is rotatably connected with the bottom of the inner cavity of the support frame 8, a limit sleeve 10 is fixedly installed on one side of the top of the rotating disc 9, a storage cylinder 11 is placed inside the limit sleeve 10, a rotating controller 12 is fixedly installed on the bottom of the support frame 8, accuse ware 13 in one side fixed mounting of reation kettle 1, the first connecting wire 14 of bottom fixedly connected with of well accuse ware 13, and the other end of first connecting wire 14 and one side fixed connection of rotation controller 12, reation kettle 1's bottom activity has cup jointed closing plate 15, and reation kettle 1's bottom activity has cup jointed the sieve 16 that is located closing plate 15 bottom, reation kettle 1's bottom fixed mounting has the converter 17 that is located closing plate 15 and sieve 16 one side, one side fixedly connected with second connecting wire 18 of well accuse ware 13, and one side fixed connection of one end of second connecting wire 18 and converter 17.
Wherein, the quantity of a storage section of thick bamboo 11 is two, and a storage section of thick bamboo 11 takes place 180 degrees rotations at rolling disc 9, keeps a storage section of thick bamboo 11 to be located sieve 16 under all the time, has realized can get into the inside of a storage section of thick bamboo 11 completely to reation kettle 1 inside material, has reached the high collection rate to reation kettle 1 inside material.
Wherein, the one end fixed mounting that dwang 6 is located reation kettle 1 inside has the stirring head, and the diameter value of stirring head is less than reation kettle 1's internal diameter value, has realized effectually carrying out neutralization with the inside solvent of reation kettle 1, has reached the reaction to the precursor material.
Wherein, the length value of closing plate 15 is equal with sieve 16, and the length value of closing plate 15 and the row of the material pore phase adaptation of reation kettle 1 bottom, has realized can be effectual sealing its bottom when carrying out neutralization to the inside solvent of reation kettle 1, has reached the problem that the solvent can not take place to leak at the in-process of neutralization.
Wherein, the internal diameter value of stop collar 10 and the external diameter value adaptation of the bottom of a storage section of thick bamboo 11 surface have realized that a storage section of thick bamboo 11 can be stable place in the inside of stop collar 10 and inject it, have reached the stability of rolling disc 9 rotation in-process.
Wherein, the bottom of 1 inner chamber of reation kettle is established to the circular arc, and the relief hole is located reation kettle 1's bottommost, has realized effectual granule discharge reation kettle 1's that produces in the solvent inside, has reached solvent and granule discharge's stability.
When preparing the nickel-cobalt-aluminum precursor: firstly, pouring proportioned solvent into the reaction kettle 1 through the first feeding pipe 2 and the second feeding pipe 3 respectively, after the prepared solvent is poured, opening the driving motor 5 to enable the output shaft of the driving motor 5 to drive the rotating rod 6 in the reaction kettle 1 to rotate and stir and neutralize the solvent in the reaction kettle 1, accelerating the reaction efficiency of the solvent, reducing the generation of particles, precipitating the solvent in the reaction kettle 1 after the neutralization is completed, accumulating the particles together, then opening the central controller 13, enabling the central controller 13 to control the rotating controller 12 through the first connecting wire 14, enabling the rotating disk 9 to rotate by the rotating controller 12, enabling the storage cylinder 11 to be positioned under the sieve plate 16, enabling the central controller 13 to control the second connecting wire 18 to enable the converter 17 to generate instructions to open the sealing plate 15, and enabling the solvent in the reaction kettle 1 to enter the storage cylinder 11 through the sieve plate 16, in the solvent discharging process, the diameter value of the upper hole of the sieve plate 16 is smaller than the particles, the particles are remained in the reaction kettle 1 until the solvent in the reaction kettle 1 is completely discharged, after the solvent in the reaction kettle 1 is discharged, the rotating controller 12 controls the rotating disc 9 to rotate by the controller 13 in the control process, and then the other storage cylinder 11 is rotated to the bottom of the sieve plate 16, then the rotating controller 12 is controlled by the controller 13, and then the sieve plate 16 is opened by sending an instruction through the controller 12, because the bottom of the inner cavity of the reaction kettle 1 is designed to be arc-shaped, the particles in the reaction kettle 1 enter the storage cylinder 11 through the discharge hole at the bottommost part of the reaction kettle 1 when the sieve plate 16 is opened.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A batch-type nickel-cobalt-aluminum precursor preparation method is characterized by comprising the following steps:
s1: adding a solvent, pouring the proportioned solvent into the reaction kettle through a first feeding pipe and a second feeding pipe respectively, and after the prepared solvent is poured, opening a driving motor to enable an output shaft of the driving motor to drive a rotating rod in the reaction kettle to rotate and stir and neutralize the solvent in the reaction kettle, so that the reaction efficiency of the solvent is improved, and the generation of particles is reduced;
s2: discharging the solvent, precipitating the solvent in the reaction kettle after neutralization is finished, accumulating the particles together, then opening a central controller, controlling a rotating controller by the central controller through a first connecting wire, simultaneously rotating a rotating disc by the rotating controller, enabling a storage cylinder to be positioned under a sieve plate, controlling a second connecting wire by the central controller to enable a converter to generate an instruction to open a sealing plate, and enabling the solvent in the reaction kettle to enter the storage cylinder through the sieve plate;
s3: nickel cobalt aluminium precursor output, after the solvent discharge of reation kettle's inside, accuse ware makes rotation controller control rolling disc take place to rotate in the control, and then make another storage cylinder rotate to the bottom of sieve, then through accuse ware control rotation controller in, send out the order through rotation controller and make the sieve open after that, because the bottom of reation kettle inner chamber is established to arc, make inside particulate matter of reation kettle get into the inside of storage cylinder through the relief hole of reation kettle bottommost when the sieve is opened, nickel cobalt aluminium precursor output.
2. The process according to claim 1, which is suitable for use in a process comprising a reaction vessel, characterized in that: a first feeding pipe is arranged on one side of the top of the reaction kettle, a second feeding pipe is arranged on the other side of the top of the reaction kettle, a fixed frame is arranged on the top of the reaction kettle, a driving motor is arranged in the fixing frame, a rotating rod is arranged at one end of an output shaft of the driving motor, a fixing block is arranged at the bottom of one side of the reaction kettle, and the bottom of the fixed block is provided with a supporting frame, the bottom of the inner cavity of the supporting frame is provided with a rotating disc, one side of the top of the rotating disc is provided with a limit sleeve, a storage cylinder is arranged in the limiting sleeve, a rotation controller is arranged at the bottom of the supporting frame, a central controller is arranged at one side of the reaction kettle, the bottom of the central controller is provided with a first connecting wire, the bottom of the reaction kettle is provided with a sealing plate, and the bottom of reation kettle is equipped with the sieve, reation kettle's bottom is equipped with the converter, one side of well accuse ware is equipped with the second connecting wire.
3. The method of claim 2, wherein: the quantity of a storage section of thick bamboo is two, and a storage section of thick bamboo takes place 180 degrees rotations in the rolling disc, keeps a storage section of thick bamboo to be located under the sieve all the time.
4. The method of claim 2, wherein: the dwang is located inside one end fixed mounting of reation kettle has the stirring head, and the diameter value of stirring head is less than reation kettle's internal diameter value.
5. The method of claim 2, wherein: the length values of the sealing plate and the sieve plate are equal, and the length value of the sealing plate is matched with the discharge hole at the bottom of the reaction kettle.
6. The method of claim 2, wherein: the inner diameter value of the limiting sleeve is matched with the outer diameter value of the bottom of the outer surface of the storage cylinder.
7. The method of claim 2, wherein: the bottom of the inner cavity of the reaction kettle is designed to be a circular arc, and the discharge hole is positioned at the bottommost part of the reaction kettle.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811601376.2A CN109574093B (en) | 2018-12-26 | 2018-12-26 | Intermittent nickel-cobalt-aluminum precursor preparation method |
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| CN201811601376.2A CN109574093B (en) | 2018-12-26 | 2018-12-26 | Intermittent nickel-cobalt-aluminum precursor preparation method |
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| CN109574093A CN109574093A (en) | 2019-04-05 |
| CN109574093B true CN109574093B (en) | 2021-11-05 |
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| CN106025203A (en) * | 2016-05-27 | 2016-10-12 | 湖南海纳新材料有限公司 | Preparation method of ternary precursor for continuous narrow distributed lithium battery |
| CN107785543A (en) * | 2016-08-31 | 2018-03-09 | 河南科隆新能源股份有限公司 | A kind of anode material for lithium-ion batteries gradient forerunner's preparation |
| CN107814418A (en) * | 2017-11-16 | 2018-03-20 | 湖南中伟新能源科技有限公司 | A kind of batch (-type) nickel cobalt aluminium forerunner's preparation |
-
2018
- 2018-12-26 CN CN201811601376.2A patent/CN109574093B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202725165U (en) * | 2012-06-15 | 2013-02-13 | 平湖市中科新能源技术研究所 | Particle crystallization reaction system for preparation of lithium battery material precursor |
| CN103301794A (en) * | 2013-05-20 | 2013-09-18 | 江苏凯力克钴业股份有限公司 | Reaction process concentration control method of precursor for lithium battery material |
| CN103943847A (en) * | 2014-04-21 | 2014-07-23 | 中信国安盟固利电源技术有限公司 | Method for preparing nickel-cobalt-manganese ternary material precursor |
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Effective date of registration: 20231222 Address after: No. 1 Dongjincheng Road, Yangzijiang International Chemical Industry Park, Suzhou City, Jiangsu Province, 215634 Patentee after: Jiangsu Sanjin Lithium Technology Co.,Ltd. Address before: 545000 Liudong New District, Liuzhou City, Guangxi Zhuang Autonomous Region, No. 2 Shuiwan Road, No. 2 Liudong Standard Factory Building, Second Floor 212 Patentee before: LIUZHOU SHENTONG AUTOMOBILE TECHNOLOGY Co.,Ltd. |