CN106669576A - Sufficient stirring Co(OH)2 preparation device - Google Patents
Sufficient stirring Co(OH)2 preparation device Download PDFInfo
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- CN106669576A CN106669576A CN201611265219.XA CN201611265219A CN106669576A CN 106669576 A CN106669576 A CN 106669576A CN 201611265219 A CN201611265219 A CN 201611265219A CN 106669576 A CN106669576 A CN 106669576A
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- reaction kettle
- kettle body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
- B01J19/0013—Controlling the temperature of the process
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/006—Baffles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/0066—Stirrers
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G51/00—Compounds of cobalt
- C01G51/04—Oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
- B01J2219/00094—Jackets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00761—Details of the reactor
- B01J2219/00763—Baffles
- B01J2219/00765—Baffles attached to the reactor wall
- B01J2219/00768—Baffles attached to the reactor wall vertical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00761—Details of the reactor
- B01J2219/00763—Baffles
- B01J2219/00779—Baffles attached to the stirring means
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a sufficient stirring Co(OH)2 preparation device, and belongs to the technical field of inorganic chemical synthesizing device. According to the device, 12 vortex baffles distributed on the inner wall of a reaction kettle are mainly utilized, and a stirring vortex is formed around the vortex baffles in the stirring reacting process to increase convection of materials, so that the aim of sufficiently stirring and mixing reacting materials can be achieved, and high-quality Co(OH)2 can be finally prepared to effectively solve the problem that the reaction kettle used in a traditional Co(OH)2 preparing process cannot perform sufficient stirring.
Description
Technical field
The invention discloses one kind can well-beaten Co (OH)2Preparation facilitiess, belong to inorganic chemical industry synthesizer technology
Field.
Background technology
With the substantially popularization and development of new-energy automobile, voltage is high, energy density is big, circulation because having for lithium ion battery
The many merits such as performance is good, self discharge is little, memory-less effect, operating temperature range width, obtain as the power of new-energy automobile
Widely use.Positive electrode is the important component part of lithium ion battery, and so far the positive electrode of most study is LiCoO2,
LiNiO2, LiMn2O4And the derivant of three of the above material, and Co (OH)2It is one of base stock of production positive electrode,
China has obtained each great attention about enterprise.
At present, the country has many enterprises being engaged in Co (OH)2Production, in process of production substantially all anti-using stirring
Answer kettle device, but in the prior art, reactor used can not be sufficiently stirred for, so as to cause during the course of the reaction, material without
Method reaches and is sufficiently mixed, and this brings inconvenience to actual production, it is impossible to enough ensure that cobalt liquid fully reacts with alkali liquor in reactor,
Simultaneously as stirring not exclusively makes the Co (OH) of generation2Precipitation is reunited and is settled, and cannot meet Production requirement.
The content of the invention
The invention mainly solves the technical problem of：For traditional Co (OH)2Reactor used by production process can not be abundant
Stirring, material is unable to reach and is sufficiently mixed, and causes the Co (OH) for producing2The not high problem of quality, there is provided one kind can be stirred fully
The Co (OH) for mixing2Preparation facilitiess, the present invention mainly uses 12 pieces of vortex baffle plates in the distribution of reactor inwall, in stirring reaction
During, stirring whirlpool is formed around vortex baffle plate, the convection current of material is increased, realize the mesh that reactant is thoroughly mixed
, after the completion of preparation, finally prepare high-quality Co (OH)2, efficiently solve traditional Co (OH)2Reactor used by production process
Can not well-beaten problem.
In order to solve above-mentioned technical problem, the technical solution adopted in the present invention is：
One kind can well-beaten Co (OH)2Preparation facilitiess, including reaction kettle body（1）, temperature detection mouth（2）, sampling, maintenance and
Charge door（3）, cobalt liquid charging aperture（4）, it is vortexed baffle plate（5）, reaction kettle body chuck（6）, stirring paddle（7）, reaction kettle body heating steaming
Vapour entrance（8）, reaction kettle body discharging opening（9）, filler（10）, reactor heating steam (vapor) outlet（11）, alkali liquor charging aperture（12）,
Agitating device（13）, it is characterised in that：Before starting the reaction, first by filler（10）To reaction kettle body（1）Middle injection is matched somebody with somebody
The water yield that side needs, then by sampling, maintenance and charge door（3）The solid citric acid of formula ratio is added, stirring dress is opened
Put（13）, under stirring, by alkali liquor charging aperture（12）To reaction kettle body（1）The sodium hydroxide of middle injection formula ratio
Solution, while passing through cobalt liquid charging aperture（4）To reaction kettle body（1）The cobalt chloride solution of middle injection formula ratio, and open anti-
Answer kettle steam inlet（8）, steam is into reaction kettle body chuck（6）, material in reacting by heating kettle, and steamed by reactor heating
Vapor outlet（11）Discharge, by temperature detection mouth（2）Observation, by reaction kettle body（1）Middle material is heated to 55~60 DEG C, question response
Terminate, material is by the reaction kettle body discharging opening positioned at bottom（9）Next procedure is expelled to, after drained, by filler
（10）Pure water is passed through, reaction kettle body is rinsed（1）Inwall, completes once complete preparation process；During the course of the reaction, stirring paddle（7）
Follow agitating device（13）Rotate, drive reaction kettle body（1）Middle material, and in vortex baffle plate（5）Surrounding forms stirring whirlpool, increases
Add the convection current of material, realize the purpose that reactant is thoroughly mixed.
Described vortex baffle plate（5）12 pieces altogether, the vortex baffle plate of opposite（5）Reactor is fixed on by welding manner
Body（1）Middle sustained height.
Described agitating device（13）Be by shaft, motor and reducing gear into.
The application process of the present invention：First 1.0~1.5m is injected in reaction kettle body by filler3It is preheated to 55~60
DEG C water, then by sampling, maintenance and charge door add 20~25kg solid citric acids, open agitating device, adjust rotating speed to
600~800r/min, under stirring, by alkali liquor charging aperture 1.5~2.2m is injected in reaction kettle body3Mass fraction is
40% sodium hydroxide solution, while 3~4m is injected in reaction kettle body by cobalt liquid charging aperture3Mass concentration is 300~350g/L
Cobalt chloride solution, and open reaction kettle body steam inlet, in reacting by heating kettle material to 55~60 DEG C, constant temperature stirring reaction 2
~3h, question response terminates, and material in reaction kettle body is expelled in pressure filter by discharging opening, after filter washing ageing, pump
In delivering to spray dryer, drying is obtained Co (OH)2Powder body.After testing, products obtained therefrom washing rear impurity content is relatively low, gained
Co(OH)2Morphology microstructure is uniform, is spherical or spherical, and grain size is uniform, can reach cobalt acid lithium preparing raw material use requirement.
The invention has the beneficial effects as follows：
（1）Co (OH) used in the present invention2Preparation facilitiess can effectively improve the convection current between reactant, improve stirring efficiency,
The response time is reduced, and the washing impurity-removing time of subsequent technique, energy consumption has been saved, reduce the consumption of washings；
（2）The Co (OH) prepared using apparatus of the present invention2The more conventional equipment impurity content of powder body is low, and pattern evenly, is accorded with
The use requirement of battery material is closed, with wide market prospect.
Description of the drawings
Fig. 1 can well-beaten Co (OH) for the present invention2The organigram of preparation facilitiess.
Wherein, 1, reaction kettle body；2nd, temperature detection mouth；3rd, sampling, maintenance and charge door；4th, cobalt liquid charging aperture；5th, it is vortexed
Baffle plate；6th, reaction kettle body chuck；7th, stirring paddle；8th, reaction kettle body heating steam inlet；9th, reaction kettle body discharging opening；10th, add water
Mouthful；11st, reactor heating steam (vapor) outlet；12nd, alkali liquor charging aperture；13rd, agitating device.
Specific embodiment
The present invention can well-beaten Co (OH)2Preparation facilitiess, before starting the reaction, first by filler 10 to reaction
The water yield that formula needs is injected in kettle 1, then the solid citric acid of formula ratio is added by sampling, maintenance and charge door 3,
Agitating device 13 is opened, under stirring, the hydrogen-oxygen of formula ratio is injected in reaction kettle body 1 by alkali liquor charging aperture 12
Change sodium solution, while injecting the cobalt chloride solution of formula ratio in reaction kettle body 1 by cobalt liquid charging aperture 4, and open anti-
Kettle steam inlet 8 is answered, steam enters reaction kettle body chuck 6, material in reacting by heating kettle, and adds vapourss to go out by reactor
Mouth 11 is discharged, and is observed by temperature detection mouth 2, and material in reaction kettle body 1 is heated to into 55~60 DEG C, and question response terminates, material
Next procedure is expelled to by the reaction kettle body discharging opening 9 positioned at bottom, after drained, pure water is passed through by filler 10, rushed
The inwall of reaction kettle body 1 is washed, complete preparation process is completed once；During the course of the reaction, stirring paddle 7 follows agitating device 13 to rotate,
Material in reaction kettle body 1 is driven, and stirring whirlpool is formed around vortex baffle plate 5, increased the convection current of material, realize reactant
The purpose being thoroughly mixed；Vortex baffle plate 5 amounts to 12 pieces, and the vortex baffle plate 5 of opposite is fixed on reaction by welding manner
Sustained height in kettle 1；Agitating device 13 be by shaft, motor and reducing gear into.
Example 1
The present invention can well-beaten Co (OH)2Preparation facilitiess, before starting the reaction, first by filler 10 to reaction kettle body
The water yield that formula needs is injected in 1, then the solid citric acid of formula ratio is added by sampling, maintenance and charge door 3, opened
Agitating device 13, under stirring, the sodium hydroxide of formula ratio is injected by alkali liquor charging aperture 12 in reaction kettle body 1
Solution, while the cobalt chloride solution of formula ratio is injected in reaction kettle body 1 by cobalt liquid charging aperture 4, and opens reactor
Body steam inlet 8, steam enters reaction kettle body chuck 6, material in reacting by heating kettle, and heats steam (vapor) outlet 11 by reactor
Discharge, observed by temperature detection mouth 2, material in reaction kettle body 1 is heated to into 55 DEG C, question response terminates, material is by being located at
The reaction kettle body discharging opening 9 of bottom is expelled to next procedure, after drained, by filler 10 pure water is passed through, and rinses reactor
The inwall of body 1, completes once complete preparation process；During the course of the reaction, stirring paddle 7 follows agitating device 13 to rotate, and drives reaction
Material in kettle 1, and stirring whirlpool is formed around vortex baffle plate 5, the convection current of material is increased, realize that reactant is sufficiently stirred for
The purpose of mixing；Vortex baffle plate 5 amounts to 12 pieces, and the vortex baffle plate 5 of opposite is fixed in reaction kettle body 1 together by welding manner
One height；Agitating device 13 be by shaft, motor and reducing gear into.
First 1.0m is injected in reaction kettle body by filler355 DEG C of water is preheated to, then by sampling, maintenance and is added
Material mouth adds 20kg solid citric acids, opens agitating device, rotating speed is adjusted to 600r/min, under stirring, by alkali liquor
Charging aperture injects 1.5m in reaction kettle body3Mass fraction is 40% sodium hydroxide solution, while by cobalt liquid charging aperture to reaction
3m is injected in kettle3Mass concentration is 300g/L cobalt chloride solutions, and opens reaction kettle body steam inlet, in reacting by heating kettle
To 55 DEG C, constant temperature stirring reaction 2h, question response terminates material, and material in reaction kettle body is expelled to into pressure filter by discharging opening
In, after filter washing ageing, in being pumped to spray dryer, drying is obtained Co (OH)2Powder body.After testing, products obtained therefrom
Washing rear impurity content is relatively low, gained Co (OH)2Morphology microstructure is uniform, is spherical or spherical, and grain size is uniform, can reach
Cobalt acid lithium preparing raw material use requirement.
Example 2
The present invention can well-beaten Co (OH)2Preparation facilitiess, before starting the reaction, first by filler 10 to reaction kettle body
The water yield that formula needs is injected in 1, then the solid citric acid of formula ratio is added by sampling, maintenance and charge door 3, opened
Agitating device 13, under stirring, the sodium hydroxide of formula ratio is injected by alkali liquor charging aperture 12 in reaction kettle body 1
Solution, while the cobalt chloride solution of formula ratio is injected in reaction kettle body 1 by cobalt liquid charging aperture 4, and opens reactor
Body steam inlet 8, steam enters reaction kettle body chuck 6, material in reacting by heating kettle, and heats steam (vapor) outlet 11 by reactor
Discharge, observed by temperature detection mouth 2, material in reaction kettle body 1 is heated to into 58 DEG C, question response terminates, material is by being located at
The reaction kettle body discharging opening 9 of bottom is expelled to next procedure, after drained, by filler 10 pure water is passed through, and rinses reactor
The inwall of body 1, completes once complete preparation process；During the course of the reaction, stirring paddle 7 follows agitating device 13 to rotate, and drives reaction
Material in kettle 1, and stirring whirlpool is formed around vortex baffle plate 5, the convection current of material is increased, realize that reactant is sufficiently stirred for
The purpose of mixing；Vortex baffle plate 5 amounts to 12 pieces, and the vortex baffle plate 5 of opposite is fixed in reaction kettle body 1 together by welding manner
One height；Agitating device 13 be by shaft, motor and reducing gear into.
First 1.2m is injected in reaction kettle body by filler358 DEG C of water is preheated to, then by sampling, maintenance and is added
Material mouth adds 22kg solid citric acids, opens agitating device, rotating speed is adjusted to 700r/min, under stirring, by alkali liquor
Charging aperture injects 2.0m in reaction kettle body3Mass fraction is 40% sodium hydroxide solution, while by cobalt liquid charging aperture to reaction
3.5m is injected in kettle3Mass concentration is 320g/L cobalt chloride solutions, and opens reaction kettle body steam inlet, reacting by heating kettle
To 58 DEG C, constant temperature stirring reaction 2h, question response terminates middle material, and material in reaction kettle body is expelled to into pressure filter by discharging opening
In, after filter washing ageing, in being pumped to spray dryer, drying is obtained Co (OH)2Powder body.After testing, products obtained therefrom
Washing rear impurity content is relatively low, gained Co (OH)2Morphology microstructure is uniform, is spherical or spherical, and grain size is uniform, can reach
Cobalt acid lithium preparing raw material use requirement.
Example 3
The present invention can well-beaten Co (OH)2Preparation facilitiess, before starting the reaction, first by filler 10 to reaction kettle body
The water yield that formula needs is injected in 1, then the solid citric acid of formula ratio is added by sampling, maintenance and charge door 3, opened
Agitating device 13, under stirring, the sodium hydroxide of formula ratio is injected by alkali liquor charging aperture 12 in reaction kettle body 1
Solution, while the cobalt chloride solution of formula ratio is injected in reaction kettle body 1 by cobalt liquid charging aperture 4, and opens reactor
Body steam inlet 8, steam enters reaction kettle body chuck 6, material in reacting by heating kettle, and heats steam (vapor) outlet 11 by reactor
Discharge, observed by temperature detection mouth 2, material in reaction kettle body 1 is heated to into 60 DEG C, question response terminates, material is by being located at
The reaction kettle body discharging opening 9 of bottom is expelled to next procedure, after drained, by filler 10 pure water is passed through, and rinses reactor
The inwall of body 1, completes once complete preparation process；During the course of the reaction, stirring paddle 7 follows agitating device 13 to rotate, and drives reaction
Material in kettle 1, and stirring whirlpool is formed around vortex baffle plate 5, the convection current of material is increased, realize that reactant is sufficiently stirred for
The purpose of mixing；Vortex baffle plate 5 amounts to 12 pieces, and the vortex baffle plate 5 of opposite is fixed in reaction kettle body 1 together by welding manner
One height；Agitating device 13 be by shaft, motor and reducing gear into.
First 1.5m is injected in reaction kettle body by filler360 DEG C of water is preheated to, then by sampling, maintenance and is added
Material mouth adds 25kg solid citric acids, opens agitating device, rotating speed is adjusted to 800r/min, under stirring, by alkali liquor
Charging aperture injects 2.2m in reaction kettle body3Mass fraction is 40% sodium hydroxide solution, while by cobalt liquid charging aperture to reaction
4m is injected in kettle3Mass concentration is 350g/L cobalt chloride solutions, and opens reaction kettle body steam inlet, in reacting by heating kettle
To 60 DEG C, constant temperature stirring reaction 3h, question response terminates material, and material in reaction kettle body is expelled to into pressure filter by discharging opening
In, after filter washing ageing, in being pumped to spray dryer, drying is obtained Co (OH)2Powder body.After testing, products obtained therefrom
Washing rear impurity content is relatively low, gained Co (OH)2Morphology microstructure is uniform, is spherical or spherical, and grain size is uniform, can reach
Cobalt acid lithium preparing raw material use requirement.
Claims (3)
1. one kind can well-beaten Co (OH)2Preparation facilitiess, including reaction kettle body（1）, temperature detection mouth（2）, sampling, maintenance
And charge door（3）, cobalt liquid charging aperture（4）, it is vortexed baffle plate（5）, reaction kettle body chuck（6）, stirring paddle（7）, reaction kettle body heating
Steam inlet（8）, reaction kettle body discharging opening（9）, filler（10）, reactor heating steam (vapor) outlet（11）, alkali liquor charging aperture
（12）, agitating device（13）, it is characterised in that：Before starting the reaction, first by filler（10）To reaction kettle body（1）Middle note
Enter the water yield of formula needs, then by sampling, maintenance and charge door（3）The solid citric acid of formula ratio, unlatching is added to stir
Mix device（13）, under stirring, by alkali liquor charging aperture（12）To reaction kettle body（1）The hydrogen-oxygen of middle injection formula ratio
Change sodium solution, while passing through cobalt liquid charging aperture（4）To reaction kettle body（1）The cobalt chloride solution of middle injection formula ratio, and open
Open reaction kettle body steam inlet（8）, steam is into reaction kettle body chuck（6）, material in reacting by heating kettle, and added by reactor
Vapourss are exported（11）Discharge, by temperature detection mouth（2）Observation, by reaction kettle body（1）Middle material is heated to 55~60 DEG C, treats
Reaction terminates, and material is by the reaction kettle body discharging opening positioned at bottom（9）Next procedure is expelled to, after drained, by adding water
Mouthful（10）Pure water is passed through, reaction kettle body is rinsed（1）Inwall, completes once complete preparation process；During the course of the reaction, stirring paddle
（7）Follow agitating device（13）Rotate, drive reaction kettle body（1）Middle material, and in vortex baffle plate（5）Surrounding forms stirring whirlpool
Whirlpool, increased the convection current of material, realize the purpose that reactant is thoroughly mixed.
2. one kind according to claim 1 can well-beaten Co (OH)2Preparation facilitiess, it is characterised in that：Described vortex
Baffle plate（5）12 pieces altogether, the vortex baffle plate of opposite（5）Reaction kettle body is fixed on by welding manner（1）Middle sustained height.
3. one kind according to claim 1 can well-beaten Co (OH)2Preparation facilitiess, it is characterised in that：Described stirring
Device（13）Be by shaft, motor and reducing gear into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611265219.XA CN106669576A (en) | 2016-12-30 | 2016-12-30 | Sufficient stirring Co(OH)2 preparation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611265219.XA CN106669576A (en) | 2016-12-30 | 2016-12-30 | Sufficient stirring Co(OH)2 preparation device |
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| Publication Number | Publication Date |
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| CN106669576A true CN106669576A (en) | 2017-05-17 |
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| CN201611265219.XA Pending CN106669576A (en) | 2016-12-30 | 2016-12-30 | Sufficient stirring Co(OH)2 preparation device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112672820A (en) * | 2018-11-05 | 2021-04-16 | 株式会社Lg化学 | Apparatus and method for manufacturing positive active material precursor |
| WO2021178403A1 (en) * | 2020-03-02 | 2021-09-10 | The Regents Of The University Of California | Plasma sources for generating cold plasma |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54109939A (en) * | 1978-02-15 | 1979-08-29 | Mitsui Petrochem Ind Ltd | Oxidation reactor for preparing aromatic carboxylic acid |
| CN2285157Y (en) * | 1996-11-26 | 1998-07-01 | 冶金工业部长沙矿冶研究院 | High-efficiency stirring tank |
| CN101696039A (en) * | 2009-09-24 | 2010-04-21 | 浙江华友钴业股份有限公司 | Method for preparing spherical cobalt hydroxide in the absence of complexing agent |
| CN202516552U (en) * | 2012-04-24 | 2012-11-07 | 安徽亚兰德新能源材料股份有限公司 | Multifunctional experiment kettle |
-
2016
- 2016-12-30 CN CN201611265219.XA patent/CN106669576A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54109939A (en) * | 1978-02-15 | 1979-08-29 | Mitsui Petrochem Ind Ltd | Oxidation reactor for preparing aromatic carboxylic acid |
| CN2285157Y (en) * | 1996-11-26 | 1998-07-01 | 冶金工业部长沙矿冶研究院 | High-efficiency stirring tank |
| CN101696039A (en) * | 2009-09-24 | 2010-04-21 | 浙江华友钴业股份有限公司 | Method for preparing spherical cobalt hydroxide in the absence of complexing agent |
| CN202516552U (en) * | 2012-04-24 | 2012-11-07 | 安徽亚兰德新能源材料股份有限公司 | Multifunctional experiment kettle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112672820A (en) * | 2018-11-05 | 2021-04-16 | 株式会社Lg化学 | Apparatus and method for manufacturing positive active material precursor |
| US12064742B2 (en) | 2018-11-05 | 2024-08-20 | Lg Chem, Ltd. | Apparatus and method for producing positive electrode active material precursor |
| WO2021178403A1 (en) * | 2020-03-02 | 2021-09-10 | The Regents Of The University Of California | Plasma sources for generating cold plasma |
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Application publication date: 20170517 |