CN207655148U - A kind of continuous process system of nickel-cobalt-manganese ternary hydroxide - Google Patents
A kind of continuous process system of nickel-cobalt-manganese ternary hydroxide Download PDFInfo
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- CN207655148U CN207655148U CN201721584080.5U CN201721584080U CN207655148U CN 207655148 U CN207655148 U CN 207655148U CN 201721584080 U CN201721584080 U CN 201721584080U CN 207655148 U CN207655148 U CN 207655148U
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Abstract
The utility model discloses a kind of continuous process systems of nickel-cobalt-manganese ternary hydroxide, including precipitation reaction kettle, external heater, circulating pump, centrifuge and connecting pipe.The reaction kettle includes overflow port, material liquid outlet, slurry outlet, guide shell；Reaction kettle material liquid outlet is connected through circulating pump with external heater inlet, and the outlet of external heater is connect with reaction kettle guide shell；Reaction kettle guide shell is located at reaction kettle cental axial position, and lower end is close to reactor bottom；Overflow port is arranged in reaction kettle, and overflow port is located above material liquid outlet；Slurry material mouth is arranged in reaction kettle bottom end, connects centrifuge；External heater both ends are equipped with steam inlet and condensate outlet；Liquor inlet and protection gas import are provided on the pipeline of connection reaction kettle guide shell and heater outlet.The utility model has the advantages such as few control technological parameter, high degree of automation, production efficiency are high, product quality is stablized.
Description
Technical field
The utility model belongs to material Moist chemical synthesis field, and in particular to a kind of continuous life of nickel-cobalt-manganese ternary hydroxide
Production system.
Background technology
Currently, nickel-cobalt-manganese ternary hydroxide prepares general single reaction kettle precipitation, it is operated intermittently or continuously.Intermittently operated
Technique, the nucleation of ternary hydroxide grow up, are aged etc. and being completed in the same reaction kettle, in implementation process there is
The problems such as high energy consumption, low production efficiency, size distribution be wide, unstable quality.
ZL201520948647.7 discloses a kind of process units of nickel-cobalt-manganese ternary hydroxide：Nickel-cobalt-manganese ternary hydrogen-oxygen
The core of making of compound carries out in the reaction kettle of a small volume, and nucleus concentrates in a reaction kettle after making core, then continuously adds
Enter into growth kettle, growth kettle carries out growing up for nucleus.It is batch production to make core, and addition, the little particle growth of nucleus are
Continuous production, to aging reactor, the present apparatus realizes the semicontinuous life of nickel-cobalt-manganese ternary hydroxide for overflow after the completion of granular grows
Production.ZL201520250444.0 discloses a kind of continuous reaction apparatus of low magnetic nickel-cobalt-manganese ternary hydroxide, nucleus is generated,
Primary growth reaction, Optimal Growing reaction, ageing carry out in four reaction kettles respectively, realize continuous production.It is heavy to ensure
The reaction kettle volume of the spheric granules degree in shallow lake, both the above device only has 1 cube, and precipitation tank is not overcome to be no more than 5 cubes
Industry general character problem, low production efficiency, the difference such as granularity, spherical shape are big between product batches.
Invention content
It is steady to provide a kind of properties of product aiming at deficiency existing for above-mentioned prior art for the purpose of the utility model
Fixed, index is consistent between product batches, the production system of the continuous nickel-cobalt-manganese ternary hydroxide of process.
In order to achieve the above objectives, the technical solution adopted in the utility model is as follows：
A kind of continuous process system of nickel-cobalt-manganese ternary hydroxide, including reaction kettle, external heater, circulating pump, from
Scheming and connecting pipe.
The reaction kettle is equipped with overflow port, material liquid outlet, slurry outlet, guide shell；Reaction kettle material liquid outlet is through cycle
Pump is connected with external heater inlet, and the outlet of external heater is connect with reaction kettle guide shell；Reaction kettle guide shell is located at anti-
Kettle cental axial position is answered, lower end is close to reactor bottom；Reaction kettle is equipped with overflow port, and overflow port is located above material liquid outlet；Instead
It answers bottom end that discharge port is set, connects centrifuge；External heater both ends are equipped with steam inlet and condensate outlet；Connection reaction
Liquor inlet and protection gas import are provided on the pipeline of kettle guide shell and heater outlet.
Preferably, reactor volume is 10m3~100m3.
Preferably, reactor volume is 40m3~70m3.
Preferably, being equipped with guide shell in reaction kettle, guide shell is located at precipitation tank cental axial position, and lower end is away from reactor bottom
20cm~50cm.
Preferably, reaction kettle is equipped with material liquid outlet, material liquid outlet is connected to heater inlet.
Preferably, circulating pump is equipped with frequency converter, circular flow can be adjusted by adjusting frequency converter.
The operation principle of the utility model is.
（1）Reaction kettle exports feed liquid and enters external heater through circulating pump, ensures that the temperature of reaction kettle slurry is stablized.
（2）By control loop pump frequency, it is old to ensure that reaction kettle is from top to bottom divided into settling section, crystal growth area, crystal
Change area.
（3）Precipitation liquid caustic soda, metal mixed liquid, complexing agent, reducing agent, protective gas etc. add before entering guide shell
Enter, form supersaturated solution in guide shell, supersaturated liquid is sent to reactor bottom, and bed of crystals is passed through during rising
Layer, successive elimination supersaturation, crystal are gradually grown up.
（4）Solution after elimination supersaturation is just pumped after clarification to be sucked away from out, and is gone to obtain new supersaturation, be followed in this way
Crystal grain content is less in ring mother liquor, to greatly reduce the contact probability between impeller of pump and crystal grain, reduce it is secondary at
The rate of core provides necessary condition for culture bulky grain crystal.
（5）After precipitating crystalline particle reaches requirement, sink under gravity, is aged area into crystal, ageing is completed
After can discharge separation of solid and liquid, drying, except magnetic, screening obtain qualified products.
The utility model and existing single reaction kettle periodic precipitation ratio, realize continuous production, the reaction kettle of the utility model
Volume can reach 100 cubes, have many advantages, such as that low energy consumption, production efficiency is high, stable quality between batch in implementation process.
The utility model compared with existing single reaction kettle continuous precipitation, grow up, be aged etc. by the nucleation of ternary hydroxide
Completed in the same reaction kettle, a reaction kettle only needed in implementation process, have operation and control parameter it is few, introduce impurity it is few
The advantages that.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
In attached drawing：1, reaction kettle；2, external heater；3, circulating pump；4, overflow port；5, material liquid outlet；6, slurry outlet；
7, guide shell；8, centrifuge；9, liquor inlet；10, gas import is protected；11, steam inlet；12, condensate outlet.
Specific implementation mode
To further illustrate the technological means and purpose effect of the utility model, in conjunction with practical illustrated embodiments, but it is following
Embodiment is illustrative, is only used for explaining this utility model, and be should not be understood as limiting the present invention.
A kind of continuous process system of nickel-cobalt-manganese ternary hydroxide, including reaction kettle, external heater, circulating pump, from
Scheming and connecting pipe.
Reaction kettle is equipped with overflow port, material liquid outlet, slurry outlet, guide shell；Reaction kettle material liquid outlet is through circulating pump and outside
It sets heater inlet to be connected, the outlet of external heater is connect with reaction kettle guide shell；Reaction kettle guide shell is located in reaction kettle
Mandrel position, lower end is close to reactor bottom；Reaction kettle is equipped with overflow port, and overflow port is located above material liquid outlet；Reaction kettle bottom
End is equipped with discharge port, connects centrifuge；External heater both ends are equipped with steam inlet and condensate outlet；Connect reaction kettle water conservancy diversion
Liquor inlet and protection gas import are provided on the pipeline of cylinder and heater outlet.
Be equipped with guide shell in reaction kettle, guide shell is located at reaction kettle cental axial position, lower end away from reactor bottom 20cm~
50cm。
Reaction kettle is equipped with material liquid outlet, and material liquid outlet is connected to heater inlet.
Circulating pump is equipped with frequency converter, and circular flow can be adjusted by adjusting frequency converter.
The production process of the present embodiment is.
（1）0.2~0.8mol/L ammonia spirits are added into reaction kettle to material liquid outlet, open the circulation pump, external heating
Device is passed through steam, is heated to 40oC~70oC opens reducing agent, nitrogen valve.
（2）Stoste outflow valve is opened, three metal ion species total concentration of nickel cobalt manganese is molten for the metal of 1.0~2.0mol/L
Liquid, 4.0~8.0mol/L sodium hydroxide solutions, 5.0~10.0mol/L ammonia spirits be added in reaction kettle simultaneously carry out making core it is anti-
It answers, control metal flow quantity is 1~50L/h, pH value range is 10.0~12.0, total ammonia density is 0.2~0.8mol/L, adjustment
Circulating pump frequency converter frequency keeps being clear liquid in 10~50cm of reaction kettle liquid level.
（3）Reaction kettle slurry outlet crystal D50 is detected, is filtered, washes until starting discharging to centrifuge after reaching requirement
It washs, dry, obtain nickel cobalt manganese hydroxide.
（4）Reaction kettle slurry feed temperature, pH, clarification level etc. are kept, uninterruptedly feed, discharge, realize
Continuous production.
The above is only the preferred embodiment of the utility model only, any according to the technical essence of the utility model pair
Above example makes any simple modification, equivalent variations and modification, is all within the scope of the technical scheme of the utility model.
The explanation of value, experiments verify that, Ni, the hydroxide precipitation of Co, Cu, Zn, Mn, Fe, Mg etc., carbonate
The utility model production can be used in precipitation etc., also belongs to the scope of protection of the utility model.
Claims (6)
1. a kind of continuous process system of nickel-cobalt-manganese ternary hydroxide, which is characterized in that the continuous process system includes anti-
Answer kettle（1）, external heater（2）, circulating pump（3）, centrifuge（8）And connecting pipe；The reaction kettle（1）Equipped with overflow port
（4）, material liquid outlet（5）, slurry outlet（6）, guide shell（7）；Reaction kettle material liquid outlet（5）Through circulating pump（3）With external heating
Device（2）Import is connected, external heater（2）Outlet and reaction kettle guide shell（7）Connection；Reaction kettle guide shell（7）Positioned at anti-
Kettle cental axial position is answered, lower end is close to reactor bottom；Reaction kettle（1）Equipped with overflow port（4）, overflow port（4）Go out positioned at feed liquid
Mouthful（5）Top；Reaction kettle（1）Bottom end is equipped with slurry outlet（6）, connect centrifuge（8）；External heater（2）Both ends, which are equipped with, steams
Vapor inlet（11）And condensate outlet（12）；Connect reaction kettle guide shell（7）With external heater（2）The pipeline of outlet is equipped with
Liquor inlet（9）With protection gas import（10）.
2. continuous process system according to claim 1, it is characterised in that：The reaction kettle（1）Volume be 10m3~
100m³。
3. continuous process system according to claim 1, it is characterised in that：The reaction kettle（1）Volume is 40m3~70
m³。
4. continuous process system according to claim 1, it is characterised in that：The reaction kettle（1）It is interior to be equipped with guide shell
（7）, guide shell is located at precipitation tank cental axial position, and lower end is away from reactor bottom 20cm~50cm.
5. continuous process system according to claim 1, it is characterised in that：The reaction kettle（1）Equipped with material liquid outlet
（5）, material liquid outlet and external heater（2）Inlet communication.
6. continuous process system according to claim 1, it is characterised in that：The circulating pump（3）Equipped with frequency converter, pass through
Adjustment frequency converter can adjust circular flow.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721584080.5U CN207655148U (en) | 2017-11-23 | 2017-11-23 | A kind of continuous process system of nickel-cobalt-manganese ternary hydroxide |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108069464A (en) * | 2017-11-23 | 2018-05-25 | 清远佳致新材料研究院有限公司 | The continuous process system and its technique of a kind of nickel-cobalt-manganese ternary hydroxide |
| CN111921267A (en) * | 2020-07-23 | 2020-11-13 | 华友新能源科技（衢州）有限公司 | Method for stably separating mother liquor in precursor synthesis |
-
2017
- 2017-11-23 CN CN201721584080.5U patent/CN207655148U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108069464A (en) * | 2017-11-23 | 2018-05-25 | 清远佳致新材料研究院有限公司 | The continuous process system and its technique of a kind of nickel-cobalt-manganese ternary hydroxide |
| CN108069464B (en) * | 2017-11-23 | 2020-01-21 | 清远佳致新材料研究院有限公司 | Continuous production system and process of nickel-cobalt-manganese ternary hydroxide |
| CN111921267A (en) * | 2020-07-23 | 2020-11-13 | 华友新能源科技（衢州）有限公司 | Method for stably separating mother liquor in precursor synthesis |
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