CN207187757U - A kind of experimental rig for being used to prepare ternary precursor - Google Patents
A kind of experimental rig for being used to prepare ternary precursor Download PDFInfo
- Publication number
- CN207187757U CN207187757U CN201721210532.3U CN201721210532U CN207187757U CN 207187757 U CN207187757 U CN 207187757U CN 201721210532 U CN201721210532 U CN 201721210532U CN 207187757 U CN207187757 U CN 207187757U
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- Prior art keywords
- kettle
- peristaltic pump
- agitator
- experimental rig
- air inlet
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- 239000002243 precursor Substances 0.000 title claims abstract description 19
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 34
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000007789 gas Substances 0.000 claims abstract description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 239000003513 alkali Substances 0.000 claims description 4
- 238000007600 charging Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims 1
- 238000007599 discharging Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 5
- 230000005611 electricity Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000013473 artificial intelligence Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model proposes a kind of experimental rig for being used to prepare ternary precursor, including reactor, kettle to be externally provided with heater, and its bottom is provided with discharging device, and its inwall is provided with some baffle plates, and its upper end is provided with overfall；Kettle cover is provided with three charge doors, air inlet, gas outlet, temperature sensor mouth, PH electrode ports and installing port; charge door is connected by peristaltic pump with head tank; it is also extended in kettle by charge pipe; air inlet is connected with nitrogen cylinder; and extended to by air inlet pipe in kettle; thermometric protection sleeve pipe is provided with temperature sensor mouth, is provided with temperature sensor in it；PH electrodes are installed at PH electrode ports, the agitator being connected with motor is installed at installing port；Propeller agitator and turbine stirrer are sequentially provided with along agitating shaft；Kettle cover is provided with the connecting rod of connection guide shell；Temperature sensor, heater, PH electrodes, peristaltic pump and motor are connected with control device.Above-mentioned experimental rig automaticity is high, and the quality of products obtained therefrom is good.
Description
Technical field
Chemical machinery technical field is the utility model is related to, more particularly to a kind of experiment dress for being used to prepare ternary precursor
Put.
Background technology
In today's society, lithium ion battery is widely used as a kind of novel green secondary cell.At it
In used positive electrode, for ternary material because tap density is high, theoretical specific capacity is high, and price is suitable, it is considered to be before most having
One of the positive electrode on way.
The experimental rig generally existing deficiency of ternary precursor is prepared at present, such as can not automatically control pH value, it is necessary to people
Work adjusts peristaltic pump charging rate to control pH value, so not only waste of manpower, and the control accuracy of pH value is relatively low.Furthermore
Existing device can also have some defects, such as mixing velocity is slow when reaction material liquid enters kettle, dispersibility is poor, and element can not be equal
Even distribution, the strong solid solution of uniformity is unable to reach, sphericity is poor, and tap density does not reach technical requirements etc..
Utility model content
In order to solve problems of the prior art, it is used for the utility model proposes a kind of automaticity is higher
The experimental rig of ternary precursor is prepared, to realize automatically controlling for pH value, and control accuracy is high, additionally it is possible to makes reaction material
Mixing velocity is fast when liquid enters kettle, dispersibility is good, good sphericity, and tap density is high.
To achieve these goals, the utility model proposes a kind of experimental rig for being used to prepare ternary precursor, bag
Reactor is included, the reactor includes kettle and kettle cover, is connected with the outer surface of the kettle and is wrapped in the kettle
Chuck, space is left between the chuck and kettle；What is be spaced on the bottom surface of the chuck is provided with some heaters, described
Heater is placed in the space of the chuck and kettle；Baiting valve is connected to the bottom of kettle through chuck；In the kettle
Some baffle plates are provided with along kettle is circumferentially uniform on wall, the upper end of each baffle plate flushes with the upper end of kettle, each baffle plate
Lower end is arranged at away from 20 ~ 30mm of kettle bottom surface nadir；Overfall is additionally provided with the upper end of the kettle；In the kettle
Cover and be respectively equipped with three charge doors, air inlet, gas outlet, temperature sensor mouth, PH electrode ports and installing port, wherein described
Installing port is arranged at the center of the kettle cover；It correspond to be respectively equipped with three at three charge doors in the lower surface of the kettle cover
Charge pipe, three charge doors are also connected through flexible pipe with the first peristaltic pump, the second peristaltic pump and the 3rd peristaltic pump respectively,
First peristaltic pump is also connected with salt cellar, and second peristaltic pump is also connected with auxiliary tank, and the 3rd peristaltic pump is also
It is connected with alkali tank；Correspond to be provided with air inlet pipe at air inlet in the lower surface of the kettle cover, the air inlet also through pipeline with
Nitrogen cylinder is connected, and control valve is additionally provided with the pipeline；The gas outlet is also connected with air outlet valve；Under the kettle cover
Surface correspond to be provided with thermometric protection sleeve pipe, the sealed bottom of the thermometric protection sleeve pipe, in the survey at temperature sensor mouth
Temperature sensor is provided with warm protection sleeve pipe；PH electrodes are removably installed at the PH electrode ports of the kettle cover；Described
Agitator is installed, the agitator is connected with motor at the installing port of kettle cover；In the inside of the kettle, stirred along described
The agitating shaft for mixing device is sequentially provided with propeller agitator and turbine stirrer from top to bottom；On the lower surface of the kettle cover also extremely
Be provided with two connecting rods less, guide shell is connected with each connecting rod respectively, the guide shell can along adjusting position above and below connecting rod,
The propeller agitator is in real time in guide shell；The temperature sensor is also connected with temperature controller, the temperature
Controller is also connected with solid-state voltage regulator and man-machine interface respectively, and the solid-state voltage regulator is also connected with each heater；
The PH electrodes are connected with pH value display instrument, and the pH value display instrument is also connected with adjuster, and the adjuster is also distinguished
It is connected with man-machine interface and the 3rd peristaltic pump；The man-machine interface also respectively with the first peristaltic pump, the second peristaltic pump and change
Frequency device is connected, and the frequency converter is also connected with motor.
Preferably, the overfall is connected through pipeline with material pot, and control valve is additionally provided with the pipeline.
Preferably, three charge doors, air inlet, gas outlet, temperature sensor mouth and the PH electrode ports are respectively provided with
On the circle using the central point of kettle cover as the center of circle, and three charge doors are distributed along the even circumferential.
Preferably, the turbine stirrer is fixed on the bottom of the agitating shaft, and the propeller agitator can be along institute
State agitating shaft adjusting position up and down.
Preferably, the depth of three charge pipes insertion kettle the propeller agitator and turbine stirrer it
Between.
Preferably, the central axis of the guide shell is the agitating shaft of the agitator.
The beneficial effect of the program of the present utility model is the above-mentioned experimental rig volume for being used to prepare ternary precursor
It is small, easy to operate, automaticity is higher, can meet ternary precursor experiment technological requirement, agitator optimization, pH value
Automatically control, gas shield, overflow, baffle plate mode etc. have made further improvement so that reaction material liquid is mixed when entering kettle
Sum velocity is fast, dispersibility is good, and pH value control is accurate, good sphericity, and tap density is high.
Brief description of the drawings
Fig. 1 shows the structural representation of the experimental rig involved by the utility model.
Fig. 2 shows the overlooking the structure diagram of the kettle cover involved by the utility model.
Fig. 3 shows the control principle schematic diagram of the experimental rig involved by the utility model.
Reference：1- kettlies, 2- kettle covers, 3- baffle plates, 4- chucks, 5- heaters, 6- baiting valves, 7- thermometric protective cases
Pipe, 8- temperature sensors, 9- air inlet pipe, 10- charge pipes, 11- control valves, 12- air outlet valves, 13- connecting rods, 14- guide shells,
15-PH electrodes, 16- agitators, 17- motors, 18- propeller agitators, 19- turbine stirrers, 20- overfalls, 21- controls
Valve, 22- material pots, 23- flexible pipes, the peristaltic pumps of 24- first, the peristaltic pumps of 25- second, the peristaltic pumps of 26- the 3rd, 27- salt cellars, 28- are helped
Agent tank, 29- alkali tanks, 30- charge doors, 31- air inlets, 32- gas outlets, 33- temperature sensor mouths, 34-PH electrode ports, 35- peaces
Fill mouth, 36- man-machine interfaces, 37- temperature controllers, 38- solid-state voltage regulators, 39-PH value display instruments, 40- adjusters, 41- frequency conversions
Device.
Embodiment
Specific embodiment of the present utility model is further described below in conjunction with the accompanying drawings.
As shown in figure 1, the experimental rig for being used to prepare ternary precursor involved by the utility model includes reactor, institute
Stating reactor includes kettle 1 and kettle cover 2, and the chuck 4 for being wrapped in the kettle 1, institute are connected with the outer surface of the kettle 1
State and leave space between chuck 4 and kettle 1.What is be spaced on the bottom surface of the chuck 4 is provided with some heaters 5, it is described plus
Hot device 5 is placed in the chuck 4 and in the space of kettle 1, in the present embodiment, the heater 5 can use resistance wire.Blowing
Valve 6 passes through chuck 4, is connected to the bottom of kettle 1.On the inwall of kettle 1 some gears are provided with along kettle 1 is circumferentially uniform
Plate 3, the upper end of each baffle plate 3 are flushed with the upper end of kettle 1, and the lower end of each baffle plate 3 is arranged at away from the bottom surface nadir of kettle 1
At 20 ~ 30mm, the baffle plate 3 is used for the flow pattern of control material, to improve the tap density of material.In the upper of the kettle 1
End is additionally provided with overfall 20, and the overfall 20 is connected through pipeline with material pot 22, and control is additionally provided with the pipeline
Valve 21.
As shown in Fig. 2 three charge doors 30, air inlet 31, gas outlet 32, temperature biography are respectively equipped with the kettle cover 2
Sensor mouth 33, PH electrode ports 34 and installing port 35, wherein the installing port 35 is arranged at the center of the kettle cover 2, remaining
Opening is arranged at using the central point of kettle cover 2 as on the circle in the center of circle, and three charge doors 30 are along the even circumferential point
Cloth.
It correspond to be respectively equipped with three charge pipes 10 at three charge doors 30 in the lower surface of the kettle cover 2, in this implementation
In example, the charge pipe 10 uses stainless steel tube, and three charge doors 30 are also respectively through the peristaltic pump 24 of flexible pipe 23 and first, the
Two peristaltic pumps 25 and the 3rd peristaltic pump 26 are connected, and first peristaltic pump 24 is also connected with salt cellar 27, and described second is compacted
Dynamic pump 25 is also connected with auxiliary tank 28, and the 3rd peristaltic pump 26 is also connected with alkali tank 29.In the present embodiment, it is described soft
Pipe 23 can use silicone tube.
Correspond to be provided with air inlet pipe 9 at air inlet 31 in the lower surface of the kettle cover 2, the air inlet 31 also through pipeline with
Nitrogen cylinder is connected, and control valve 11 is additionally provided with the pipeline.The gas outlet 32 is also connected with air outlet valve 12.
It correspond to be provided with thermometric protection sleeve pipe 7 at temperature sensor mouth 33 in the lower surface of the kettle cover 2, the thermometric is protected
The sealed bottom of protecting pipe 7, temperature sensor 8, in the present embodiment, the temperature are provided with the thermometric protection sleeve pipe 7
Sensor 8 can use high-precision pt100 temperature sensors.PH is removably installed at the PH electrode ports 34 of the kettle cover 2
Electrode 15, in the present embodiment, the PH electrodes 15 can use the connected mode of screw thread with kettle cover 2.
Agitator 16 is installed at the installing port 35 of the kettle cover 2, the agitator 16 is connected with motor 17, at this
In embodiment, the agitator 16 can be connected by shaft coupling or belt with motor 17, and the connected mode shown in Fig. 1 is
The connected mode of belt.In the inside of the kettle 1, propulsion is sequentially provided with from top to bottom along the agitating shaft of the agitator 16
Formula agitator 18 and turbine stirrer 19, wherein the turbine stirrer 19 is fixed on the bottom of the agitating shaft, the propulsion
Formula agitator 18 can be along adjusting position above and below the agitating shaft.The depth of three charge pipes 10 insertion kettle 1 pushes away described
Between feeding mixer 18 and turbine stirrer 19, to make, material mixing velocity is fast, dispersibility is good, Elemental redistribution is uniform.
Also at least provided with two connecting rods 13 on the lower surface of the kettle cover 2, guide shell 14 respectively with each connecting rod 13
It is connected, the guide shell 14 can be along connecting rod adjusting position about 13, and the central axis of the guide shell 14 is institute
The agitating shaft of agitator 16 is stated, the propeller agitator 18 is in real time in guide shell 14.In the present embodiment, the water conservancy diversion
Cylinder 14 can be able to be along the implementation of connecting rod adjusting position about 13：It is threaded in the connecting rod 13, passes through nut
Guide shell 14 is fixed on corresponding opening position.
As shown in figure 3, in order to improve automaticity, the temperature sensor 8 is also connected with temperature controller 37,
In the present embodiment, the temperature controller 37 uses space electricity AI-516P artificial intelligence temperature controllers；The temperature controller 37 also divides
It is not connected with solid-state voltage regulator 38 and man-machine interface 36, in the present embodiment, the man-machine interface 36 is using space electricity AI-
3170S man-machine interface；The solid-state voltage regulator 38 is also connected with each heater 5.
The PH electrodes 15 are connected with pH value display instrument 39, and in the present embodiment, the pH value display instrument 39 uses plum
Teller series；The pH value display instrument 39 is also connected with adjuster 40, and in the present embodiment, the adjuster 40 is using space electricity
AI-516 adjusters；The adjuster 40 is also connected with the peristaltic pump 26 of man-machine interface 36 and the 3rd respectively.
The man-machine interface 36 is also connected with the first peristaltic pump 24, the second peristaltic pump 25 and frequency converter 41 respectively,
In the present embodiment, the frequency converter 41 uses Delta VFD-M series mini high-performance transducers, and the frequency converter 41 is gone back and motor
17 are connected.
During specific use, the relevant parameter when setting reaction in man-machine interface 36, to obtain high quality
Ternary precursor, rotating speed of specific parameter including temperature value, pH value and motor 17 etc..Specific temperature control process is as follows：
Measure the temperature of solution in real time using temperature sensor 8, and after this temperature signal delivered in temperature controller 37 is handled,
The temperature controller 37 drives solid-state voltage regulator 38 to adjust heating voltage output size, defeated so as to change the reality of heater 5
Go out power.Whole process is a closed-loop control, can be accurately controlled temperature in claimed range.
Specific pH value control process is as follows：The pH value of solution, the measurement signal of PH electrodes 15 warp are detected using PH electrodes 15
PH value display instrument 39, which becomes, delivers to adjuster 40, and the adjuster 40 by PID arithmetic, believe by the 4 ~ 20mA electric currents for exporting continuous variable
Number control the rotating speed of the 3rd peristaltic pump 26 height, so as to realize the control of pH value.By actual tests, pH value control accuracy is reachable
±0.01。
All operations to frequency converter 41 can be achieved in the man-machine interface 36, including rotating speed, startup, stopping etc. being set
Function so that the controlled motor 17 of frequency converter 41 rotates, and then causes the motor 17 to drive the agitating shaft of agitator 16 real
Now corresponding action.Can also be realized in the man-machine interface 36 startup to the first peristaltic pump 24 and the second peristaltic pump 25,
Stop and set and monitor the function of rotating speed.
During the course of the reaction, nitrogen can be passed through from the air inlet 31 to ensure that material reaction process is the guarantor in nitrogen
The lower completion of shield；The guide shell 14 can control reaction flow pattern；Material reacts in the bottom of reactor during reaction, top
Reaction material liquid exceedes overfall 20, then can flow into material pot 22 and continue ageing reaction, so as to realize successive reaction.
The experimental rig small volume for being used to prepare ternary precursor, easy to operate, automation involved by the utility model
Degree is higher, can meet ternary precursor experiment technological requirement, agitator optimization, pH value automatically control, gas shield,
Further improvement has been made in overflow, baffle plate mode etc. so that mixing velocity is fast when reaction material liquid enters kettle, dispersibility
Good, pH value control is accurate, good sphericity, and tap density is high.
Claims (6)
- A kind of 1. experimental rig for being used to prepare ternary precursor, it is characterised in that：Including reactor, the reactor includes kettle Body and kettle cover, the chuck for being wrapped in the kettle is connected with the outer surface of the kettle, is stayed between the chuck and kettle There is space；What is be spaced on the bottom surface of the chuck is provided with some heaters, and the heater is placed in the chuck and kettle Space in；Baiting valve is connected to the bottom of kettle through chuck；Set on the inner wall of kettle along kettle is circumferentially uniform There are some baffle plates, the upper end of each baffle plate is flushed with the upper end of kettle, and the lower end of each baffle plate is arranged at away from kettle bottom surface most At 20 ~ 30mm of low spot；Overfall is additionally provided with the upper end of the kettle；Be respectively equipped with the kettle cover three charge doors, Air inlet, gas outlet, temperature sensor mouth, PH electrode ports and installing port, wherein the installing port is arranged on the kettle cover At center；It correspond to be respectively equipped with three charge pipes at three charge doors in the lower surface of the kettle cover, three charge doors Also be connected respectively through flexible pipe with the first peristaltic pump, the second peristaltic pump and the 3rd peristaltic pump, first peristaltic pump also with salt Tank is connected, and second peristaltic pump is also connected with auxiliary tank, and the 3rd peristaltic pump is also connected with alkali tank；In the kettle The lower surface of lid correspond to be provided with air inlet pipe at air inlet, and the air inlet is also connected through pipeline with nitrogen cylinder, in the pipeline On be additionally provided with control valve；The gas outlet is also connected with air outlet valve；Temperature sensor is correspond in the lower surface of the kettle cover Thermometric protection sleeve pipe is provided with mouthful, the sealed bottom of the thermometric protection sleeve pipe, temperature is provided with the thermometric protection sleeve pipe Sensor；PH electrodes are removably installed at the PH electrode ports of the kettle cover；It is provided with the installing port of the kettle cover Agitator, the agitator are connected with motor；In the inside of the kettle, along the agitator agitating shaft from top to bottom It is sequentially provided with propeller agitator and turbine stirrer；Also led on the lower surface of the kettle cover at least provided with two connecting rods Flow cartridge is connected with each connecting rod respectively, and the guide shell can be real along adjusting position above and below connecting rod, the propeller agitator When in the guide shell；The temperature sensor is also connected with temperature controller, the temperature controller also respectively with solid-state Pressure regulator and man-machine interface are connected, and the solid-state voltage regulator is also connected with each heater；The PH electrodes show with pH value Show that instrument is connected, the pH value display instrument is also connected with adjuster, and the adjuster is also compacted with man-machine interface and the 3rd respectively Dynamic pump is connected；The man-machine interface is also connected with the first peristaltic pump, the second peristaltic pump and frequency converter respectively, the frequency conversion Device is also connected with motor.
- 2. the experimental rig according to claim 1 for being used to prepare ternary precursor, it is characterised in that：The overfall warp Pipeline is connected with material pot, and control valve is additionally provided with the pipeline.
- 3. the experimental rig according to claim 1 for being used to prepare ternary precursor, it is characterised in that：Three chargings Mouth, air inlet, gas outlet, temperature sensor mouth and PH electrode ports are arranged at using the central point of kettle cover as on the circle in the center of circle, And three charge doors are distributed along the even circumferential.
- 4. the experimental rig according to claim 1 for being used to prepare ternary precursor, it is characterised in that：The turbine stirring Device is fixed on the bottom of the agitating shaft, and the propeller agitator can be along adjusting position above and below the agitating shaft.
- 5. the experimental rig according to claim 4 for being used to prepare ternary precursor, it is characterised in that：Three chargings The depth of pipe insertion kettle is between the propeller agitator and turbine stirrer.
- 6. the experimental rig according to claim 1 for being used to prepare ternary precursor, it is characterised in that：The guide shell Central axis is the agitating shaft of the agitator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721210532.3U CN207187757U (en) | 2017-09-21 | 2017-09-21 | A kind of experimental rig for being used to prepare ternary precursor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721210532.3U CN207187757U (en) | 2017-09-21 | 2017-09-21 | A kind of experimental rig for being used to prepare ternary precursor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207187757U true CN207187757U (en) | 2018-04-06 |
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ID=61789990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721210532.3U Active CN207187757U (en) | 2017-09-21 | 2017-09-21 | A kind of experimental rig for being used to prepare ternary precursor |
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| Country | Link |
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| CN (1) | CN207187757U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108745252A (en) * | 2018-07-09 | 2018-11-06 | 北京市计量检测科学研究院 | A kind of micro Nano material preparation facilities |
| CN111841470A (en) * | 2020-06-18 | 2020-10-30 | 杭州牛斗科技有限公司 | A wriggling filler device for coprecipitation reation kettle |
| CN113735194A (en) * | 2021-08-26 | 2021-12-03 | 池州西恩新材料科技有限公司 | pH control method for ternary precursor reaction kettle |
| CN119327400A (en) * | 2024-12-20 | 2025-01-21 | 陕西安达实业股份有限公司 | A zirconium-titanium steel composite reactor |
-
2017
- 2017-09-21 CN CN201721210532.3U patent/CN207187757U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108745252A (en) * | 2018-07-09 | 2018-11-06 | 北京市计量检测科学研究院 | A kind of micro Nano material preparation facilities |
| CN111841470A (en) * | 2020-06-18 | 2020-10-30 | 杭州牛斗科技有限公司 | A wriggling filler device for coprecipitation reation kettle |
| CN113735194A (en) * | 2021-08-26 | 2021-12-03 | 池州西恩新材料科技有限公司 | pH control method for ternary precursor reaction kettle |
| CN119327400A (en) * | 2024-12-20 | 2025-01-21 | 陕西安达实业股份有限公司 | A zirconium-titanium steel composite reactor |
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