CN207680586U - A kind of reaction unit for composition gradient structure ternary material - Google Patents
A kind of reaction unit for composition gradient structure ternary material Download PDFInfo
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- CN207680586U CN207680586U CN201720609262.7U CN201720609262U CN207680586U CN 207680586 U CN207680586 U CN 207680586U CN 201720609262 U CN201720609262 U CN 201720609262U CN 207680586 U CN207680586 U CN 207680586U
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- pump
- fluid reservoir
- pipeline
- nickel solution
- reaction kettle
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Abstract
The utility model is related to field of industrial automation control, particularly disclose a kind of reaction unit for composition gradient structure ternary material.This is used for the reaction unit of composition gradient structure ternary material, includes the reaction kettle of internal installation blender, it is characterised in that：The reaction kettle is separately connected ammonium hydroxide fluid reservoir, alkali fluid reservoir and pipe-line mixer by pipeline, and the online pH meter of connection programmable controller A and online survey ammonia instrument are provided in reaction kettle；It connects and pump D is installed on the pipeline of ammonium hydroxide fluid reservoir, connect and pump C is installed on the pipeline of alkali fluid reservoir, pump C and programmable controller A is connected by electric wire with pump D；Pipe-line mixer is in parallel with high nickel solution fluid reservoir, low nickel solution fluid reservoir by pipeline.The utility model uses Programmed control, and high degree of automation, process control is accurate, not only can guarantee that material granule composition gradient is controllable, but also can guarantee that particle diameter distribution is controllable, greatly improves the batch homogeneity of material.
Description
（One）Technical field
The utility model is related to field of industrial automation control, more particularly to a kind of to be used for composition gradient structure ternary material
Reaction unit.
（Two）Background technology
Gradient Materials incorporate the property of inside and outside two kinds of materials due to its unique architectural characteristic, and complement each other
Respective deficiency is the important research direction that pattern determines property in recent years, and lasting.In catalysis, photocatalysis, electricity
It has a wide range of applications in terms of pond, gas storage and separation.
Lithium ion battery is a kind of novel secondary cell, and since itself has, higher than energy, cycle period is long, electric discharge is steady
Qualitative good, environmental pollution is small and the clear superiorities such as potentiality to be exploited is big, has become one of global energy industry development and exploitation
Emphasis direction.Positive electrode plays very important effect in lithium ion battery, and therefore, the utilization of positive electrode are sent out
Exhibition is particularly rapid, and ternary material becomes many with the features such as energy density is high, advantage of lower cost and cycle performance are excellent again
Most promising one kind of potentiality maximum in positive electrode.
Ternary material is a kind of positive electrode of lithium ion battery, such material has specific capacity height, good rate capability, ring
The advantages that border is friendly has been favored by people, and is widely used in consumer product, digital products, power product and unmanned plane
Equal fields.Wherein, the fields such as power product and unmanned plane are to the more demanding of the specific energy density of positive electrode.Influence battery ratio
The factor of energy density includes gram specific capacity of positive electrode, battery core design and technique and pack techniques etc..Wherein positive electrode
A gram specific capacity play decisive role, gram specific capacity of ternary material increases, nickelic material with the increase of nickel element ratio
Material also gradually has been favored by people.
Nickelic ternary material gram specific capacity height, but its disadvantage is also more prominent, since nickel content is higher, leads to nickelic ternary
The thermal stability of material is poor, security performance is relatively low, in addition, the surface p H higher of nickelic ternary material, to ring in process
The humidity in border has higher requirement, greatly increases battery core technique difficulty of processing and equipment input cost.It is asked for this
Topic, there has been proposed the concepts of gradient ternary material, are made some progress by systematic research.But due to gradient-structure
The problems such as building-up process of ternary material is more complex, not mating equipment, while its building-up process is less efficient, never
Obtain industrialization.
（Three）Invention content
The utility model in order to make up for the deficiencies of the prior art, provide a kind of monitoring in real time, control precisely, automation journey
Spend the high reaction unit for composition gradient structure ternary material.
The utility model is achieved by the following technical solution：
A kind of reaction unit for composition gradient structure ternary material includes the reaction kettle of internal installation blender,
It is characterized in that：The reaction kettle is separately connected ammonium hydroxide fluid reservoir, alkali fluid reservoir and pipe-line mixer by pipeline, is set in reaction kettle
It is equipped with the online pH meter of connection programmable controller A and online survey ammonia instrument；It connects and pump D is installed on the pipeline of ammonium hydroxide fluid reservoir,
It connects and pump C is installed on the pipeline of alkali fluid reservoir, pump C and programmable controller A is connected by electric wire with pump D；Pipe-line mixer is logical
Piping is in parallel with high nickel solution fluid reservoir, low nickel solution fluid reservoir.
The utility model monitors ammonia concn and acid-base value in reaction kettle in real time by surveying ammonia instrument and online pH meter online,
And programmable logic controller (PLC) is fed back to, accurately control ammonia concn and acid-base value in reaction kettle.
The more excellent technical solution of the utility model is：
Pump A is installed on the outlet conduit of the high nickel solution fluid reservoir, is pacified on the outlet conduit of low nickel solution fluid reservoir
Equipped with pump B, pump A connects programmable controller B with pump B by electric wire；High nickel solution is accurately controlled by setting program simultaneously
With the charging rate of low nickel solution, and then synthesize arbitrary continuation gradient distribution positive electrode.
The pipeline and high nickel solution fluid reservoir, low nickel solution fluid reservoir, pipe-line mixer, reaction kettle, ammonium hydroxide fluid reservoir
It is mounted on valve on the connector of alkali fluid reservoir, realizes the switch control action of valve.
The pump A, pump B, pump C and pump D are flow and start and stop regulatable type pump, and the flow convenient for auto-control pump is big
It is small.
The electric wire is shielding line, is not influenced by the distribution of peripheral circuits and pipeline.
The utility model surveys ammonia instrument and online pH meter using online, precisely monitors pH value and ammonia concn in reaction process,
In conjunction with programmable logic controller (PLC), the nickel in reaction kettle inside ammonia concn and acid-base value and injection reaction kettle is accurately controlled
Nickel element molar ratio in cobalt manganese mixed solution realizes that continuous gradient is distributed nickel-cobalt-manganese ternary element from inside to outside in presoma.
The utility model uses Programmed control, and high degree of automation, process control is accurate, both can guarantee material granule group
Divide gradient controllable, and can guarantee that particle diameter distribution is controllable, greatly improves the batch homogeneity of material.
（Four）Description of the drawings
The utility model will be further described below with reference to the accompanying drawings.
Fig. 1 is the structural schematic diagram of the utility model.
In figure, 1 high nickel solution fluid reservoir, 2 low nickel solution fluid reservoirs, 3 ammonium hydroxide fluid reservoirs, 4 alkali fluid reservoirs, 5 valves, 6-1
Pumping A, 6-2 pumps B, and 6-3 pumps C, and 6-4 pumps D, 7 pipe-line mixers, 8 programmable logic controller (PLC) A, 9 programmable logic controller (PLC) B, and 10
Online pH meter, 11 online survey ammonia instrument, 12 pipelines, 13 electric wires, 14 reaction kettles, 15 blenders.
（Five）Specific implementation mode
Attached drawing is a kind of specific embodiment of the utility model.The embodiment includes the reaction kettle of internal installation blender 15
14, the reaction kettle 14 is separately connected ammonium hydroxide fluid reservoir 3, alkali fluid reservoir 4 and pipe-line mixer 7, reaction kettle 14 by pipeline 12
Inside it is provided with the online pH meter 10 and online survey ammonia instrument 11 of connection programmable controller A8；Connect the pipeline 12 of ammonium hydroxide fluid reservoir 3
On pump D6-4 is installed, pump C6-3, pump C6-3 are installed on the pipeline of connection alkali fluid reservoir 4 and pump D6-4 is connected by electric wire 13
Programmable controller A8；Pipe-line mixer 7 is in parallel with high nickel solution fluid reservoir 1, low nickel solution fluid reservoir 2 by pipeline 12；Institute
It states and pump A6-1 is installed on the outlet conduit of high nickel solution fluid reservoir 1, pump is installed on the outlet conduit of low nickel solution fluid reservoir 2
B6-2, pump A6-1 and pump B6-2 connect programmable controller B9 by electric wire 13；The pipeline 12 and high nickel solution fluid reservoir
1, it is respectively mounted on the connector of low nickel solution fluid reservoir 2, pipe-line mixer 7, reaction kettle 14, ammonium hydroxide fluid reservoir 3 and alkali fluid reservoir 4
There is valve 5；The pump A6-1, pump B6-2, pump C6-3 and pump D6-4 are flow and start and stop regulatable type pump；The electric wire 13 is equal
For shielding line.
Online pH meter 10 measures the acid-base value in reaction kettle 14, feeds back to programmable logic controller (PLC) A8 by electric wire 13,
Programmable logic controller (PLC) A8 controls the flow of pump C6-3 by electric wire 13, and pump C6-3 is by pipeline 12 by alkali fluid reservoir 4 and anti-
Kettle 14 is answered to connect.
Online survey ammonia instrument 11 measures the ammonia concn in reaction kettle 14, feeds back to programmable logic controller (PLC) by electric wire 13
A8, programmable logic controller (PLC) A8 control the flow of pump D6-4 by electric wire 13, and pump D6-4 is by pipeline 12 by ammonium hydroxide fluid reservoir 3
It is connected with reaction kettle 14.
Programmable logic controller (PLC) B9 is connect by electric wire 13 with pump A6-1 and pump B6-2, and then controls pump A6-1 and pump
The flow of B6-2 pumps A6-1 and pump B6-2 and is connected respectively with high nickel solution fluid reservoir 1 and low nickel solution fluid reservoir 2 by pipeline 12
It connects, after high nickel solution fluid reservoir 1 and low nickel solution fluid reservoir 2 are converged by pipeline 12, is connect with pipe-line mixer 7, pipeline is mixed
Clutch 7 is connect by pipeline 12 with reaction kettle 14.
Programmable logic controller (PLC) A8 and programmable logic controller (PLC) B9 need setting program according to actual needs.
Above said content is only the basic explanation under the utility model design, and according to the technical solution of the utility model
Any equivalent transformation done, should all belong to the scope of protection of the utility model.
Claims (4)
1. a kind of reaction unit for composition gradient structure ternary material, including internal installation blender（15）Reaction kettle
（14）, it is characterised in that：The reaction kettle（14）Pass through pipeline（12）It is separately connected ammonium hydroxide fluid reservoir（3）, alkali fluid reservoir（4）With
Pipe-line mixer（7）, reaction kettle（14）Inside it is provided with connection programmable controller A（8）Online pH meter（10）Ammonia is surveyed with online
Instrument（11）；Connect ammonium hydroxide fluid reservoir（3）Pipeline（12）On be equipped with pump D（6-4）, connect alkali fluid reservoir（4）Pipeline（12）
On be equipped with pump C（6-3）, pump C（6-3）With pump D（6-4）Pass through electric wire（13）Connect programmable controller A（8）；Pipeline mixes
Device（7）Pass through pipeline（12）With high nickel solution fluid reservoir（1）, low nickel solution fluid reservoir（2）It is in parallel；The high nickel solution fluid reservoir
（1）Outlet conduit on be equipped with pump A（6-1）, low nickel solution fluid reservoir（2）Outlet conduit on be equipped with pump B（6-2）, pump A
（6-1）With pump B（6-2）Pass through electric wire（13）Connect programmable controller B（9）.
2. the reaction unit according to claim 1 for composition gradient structure ternary material, it is characterised in that：The pipe
Road（12）With high nickel solution fluid reservoir（1）, low nickel solution fluid reservoir（2）, pipe-line mixer（7）, reaction kettle（14）, ammonium hydroxide liquid storage
Tank（3）With alkali fluid reservoir（4）Connector on be mounted on valve（5）.
3. the reaction unit according to claim 1 for composition gradient structure ternary material, it is characterised in that：The pump
A（6-1）, pump B（6-2）, pump C（6-3）With pump D（6-4）It is flow and start and stop regulatable type pump.
4. the reaction unit according to claim 1 for composition gradient structure ternary material, it is characterised in that：The electricity
Line（13）It is shielding line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720609262.7U CN207680586U (en) | 2017-05-27 | 2017-05-27 | A kind of reaction unit for composition gradient structure ternary material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720609262.7U CN207680586U (en) | 2017-05-27 | 2017-05-27 | A kind of reaction unit for composition gradient structure ternary material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207680586U true CN207680586U (en) | 2018-08-03 |
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ID=62986609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720609262.7U Active CN207680586U (en) | 2017-05-27 | 2017-05-27 | A kind of reaction unit for composition gradient structure ternary material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207680586U (en) |
-
2017
- 2017-05-27 CN CN201720609262.7U patent/CN207680586U/en active Active
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