CN213434420U - Device for preparing nanoscale iron phosphate powder - Google Patents
Device for preparing nanoscale iron phosphate powder Download PDFInfo
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- CN213434420U CN213434420U CN202021775268.XU CN202021775268U CN213434420U CN 213434420 U CN213434420 U CN 213434420U CN 202021775268 U CN202021775268 U CN 202021775268U CN 213434420 U CN213434420 U CN 213434420U
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Abstract
The utility model relates to a device for preparing nanometer iron phosphate powder, including motor, belt drive mechanism, (mixing) shaft, stirring rake, reation kettle, support, the motor passes through belt drive mechanism drive (mixing) shaft and rotates, and reation kettle is used for splendid attire raw materials and grinding ball, and inside the (mixing) shaft stretched into reation kettle from the reation kettle top, the (mixing) shaft passed through the sealing port with reation kettle and is connected, a plurality of stirring rakes of fixedly connected with on the (mixing) shaft, and reation kettle passes through the support fixed, and reation kettle is by outer to interior insulating layer, zone of heating, corrosion-resistant ceramic layer in proper order. The advantages are that: it is rational in infrastructure, can drive the (mixing) shaft stirring to the heating, but also the heating intensifies at the grinding in-process heatable, improves reaction efficiency. The inner wall of the cavity body is made of acid-resistant and corrosion-resistant ceramic materials, so that the service life of the reaction kettle is prolonged, and impurities caused by the loss of grinding engineering materials are avoided. The reaction kettle is provided with a heating layer, so that the heating is uniform, and the reaction efficiency is improved.
Description
Technical Field
The utility model belongs to the grinding device field relates to a device for preparing nanometer iron phosphate powder.
Background
Iron phosphate, also known as ferric orthophosphate, is mainly used for preparing lithium iron phosphate batteries. The lithium ion battery industry gradually exposes the corners, wherein the lithium iron phosphate battery has the advantages of low cost, rich resources, good safety performance and the like compared with other lithium batteries, and becomes a research hotspot in recent years.
The morphological characteristics and the particle size of the iron phosphate have important influence on the electrochemical characteristics of the lithium iron phosphate battery. The lithium iron phosphate is prepared by taking the micro-nano iron phosphate as a precursor, and the iron phosphate and lithium ions can be combined more efficiently, so that the electrochemical performance of the lithium iron phosphate battery is improved. Heating, stirring and pressure control are needed in the preparation process, and the existing grinding equipment only has the stirring and grinding functions and cannot realize heating and pressure control.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide a device for preparing nanoscale iron phosphate powder with simple and reasonable structure.
In order to achieve the above object, the utility model discloses a following technical scheme realizes:
the utility model provides a device for preparing nanometer iron phosphate powder, which comprises a motor, belt drive mechanism, (mixing) shaft, the stirring rake, reation kettle, and a support, the motor passes through belt drive mechanism drive (mixing) shaft and rotates, reation kettle is used for splendid attire raw materials and grinding ball, inside the (mixing) shaft stretches into reation kettle from the reation kettle top, the (mixing) shaft passes through the sealing port with reation kettle and is connected, (mixing) shaft is last a plurality of stirring rakes of fixedly connected with, reation kettle passes through the support fixed, reation kettle is by outer to interior insulating layer, the zone of heating, corrosion-resistant ceramic layer in proper.
The reaction kettle is connected with a vacuumizing device.
The belt transmission mechanism comprises a belt, a first transmission shaft and a second transmission shaft, the first transmission shaft is fixedly connected with an output shaft of the motor, the second transmission shaft is connected with the stirring shaft through a coupler, and the first transmission shaft and the second transmission shaft are connected through the belt.
The bottom of the bracket is supported and fixed through the base.
The reaction kettle is provided with a feeding hole and an air inlet at the top, a discharging hole and an air outlet at the bottom, and is connected with a pressure gauge and a thermometer.
Compared with the prior art, the beneficial effects of the utility model are that:
the device is used for preparing the nanoscale iron phosphate powder, can be completed in the same equipment, and is convenient and simple to operate. This device is rational in infrastructure, can drive the (mixing) shaft stirring to the heating, but also the heating raises the temperature at the grinding in-process heatable, improves reaction efficiency. The inner wall of the cavity body is made of acid-resistant and corrosion-resistant ceramic materials, so that the service life of the reaction kettle is prolonged, and impurities caused by the loss of grinding engineering materials are avoided. The reaction kettle is provided with a heating layer, so that the heating is uniform, and the reaction efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, 1-a first transmission shaft 2-a belt 3-a motor 4-a sealing port 5-an air inlet 6-a feed inlet 7-a pressure and temperature control box 8-an air outlet 9-a base 10-a second transmission shaft 11-a coupler 12-a pressure gauge 13-a thermometer 14-a corrosion-resistant ceramic layer 15-a heating layer 16-a heat insulation layer 17-a support 18-a stirring paddle 19-a stirring shaft 20-a grinding ball 21-a reaction kettle 22-a discharge port.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings, but it should be noted that the present invention is not limited to the following embodiments.
See fig. 1, a device for preparing nanometer iron phosphate powder includes motor 3, belt drive mechanism, (mixing) shaft 19, stirring paddle 18, reation kettle 21, support 17, motor 3 passes through belt drive mechanism drive (mixing) shaft 19 and rotates, inside (mixing) shaft 19 stretched into reation kettle 21 from reation kettle 21 top, reation kettle 21 was used for splendid attire raw materials and grinding ball 20, (mixing) shaft 19 passes through sealing port 4 with reation kettle 21 and is connected, a plurality of stirring paddles 18 of fixedly connected with on the (mixing) shaft 19, reation kettle 21 is fixed through support 17, reation kettle 21 is insulating layer 16 from outer to inner in proper order, zone of heating 15, acidproof corrosion resistant ceramic layer 14. The reaction kettle 21 is connected with a vacuum pumping device for controlling the pressure in the reaction kettle 21. The belt transmission mechanism comprises a belt 2 and two transmission shafts (a transmission shaft I1 and a transmission shaft II 10), the transmission shaft I1 is fixedly connected with an output shaft of the motor 3, the transmission shaft II 10 is connected with the stirring shaft 19 through a coupler 11, and the two transmission shafts are connected through the belt 2. The bottom of the bracket 17 is supported and fixed by the base 9. The top of reaction kettle 21 is provided with a feed inlet 6 and an air inlet 5, the bottom is provided with a discharge outlet 22 and an air outlet 8, the air inlet 5 and the air outlet 8 are connected with a vacuum pumping device, and the reaction kettle 21 is connected with a pressure gauge 12 and a thermometer 13 for detecting the pressure and the temperature in the reaction kettle 21. The sealing port 4 is of a flange structure, and a central hole is matched with the stirring shaft 19.
The device can realize that raw materials are put in the same device, the reaction is continuously finished, the nanoscale iron phosphate powder is prepared, specifically, phosphoric acid solution is added into a reaction kettle 21, heating and stirring are carried out, micro-nano pure iron powder is added, grinding balls 20 are added, heating and stirring are carried out, and the grinding balls 20 are industrial pure iron balls or agate balls. Then adding hydrogen peroxide solution, maintaining pressure, heating and stirring to finally generate a precipitate product, and obtaining the nano-scale iron phosphate powder after precipitation, filtration and spray drying.
The utility model discloses it is rational in infrastructure, can drive the (mixing) shaft stirring to the heating, but also the heating intensifies in the grinding process, improves reaction efficiency. The inner wall of the cavity body is made of acid-resistant and corrosion-resistant ceramic materials, so that the service life of the reaction kettle is prolonged, and impurities caused by the loss of grinding engineering materials are avoided. The reaction kettle is provided with a heating layer, so that the heating is uniform, and the reaction efficiency is improved.
Claims (5)
1. The utility model provides a device for preparing nanometer iron phosphate powder, a serial communication port, which comprises a motor, belt drive mechanism, the (mixing) shaft, the stirring rake, reation kettle, and a support, the motor passes through belt drive mechanism drive (mixing) shaft and rotates, reation kettle is used for splendid attire raw materials and grinding ball, inside the (mixing) shaft stretches into reation kettle from the reation kettle top, the (mixing) shaft passes through the sealing port with reation kettle and is connected, a plurality of stirring rakes of fixedly connected with on the (mixing) shaft, reation kettle passes through the support fixed, reation kettle is by outer to interior insulating layer in proper order, the zone of heating.
2. The apparatus for preparing nano-scale iron phosphate powder according to claim 1, wherein the reaction kettle is connected with a vacuum extractor.
3. The apparatus according to claim 1, wherein the belt transmission mechanism comprises a belt, a first transmission shaft and a second transmission shaft, the first transmission shaft is fixedly connected with an output shaft of the motor, the second transmission shaft is connected with the stirring shaft through a coupling, and the first transmission shaft and the second transmission shaft are connected through the belt.
4. The apparatus according to claim 1, wherein the bottom of the support is supported and fixed by a base.
5. The apparatus according to claim 1, wherein the reaction kettle is provided with a feed inlet and a gas inlet at the top, a discharge outlet and a gas outlet at the bottom, and is connected with a pressure gauge and a thermometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021775268.XU CN213434420U (en) | 2020-08-21 | 2020-08-21 | Device for preparing nanoscale iron phosphate powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021775268.XU CN213434420U (en) | 2020-08-21 | 2020-08-21 | Device for preparing nanoscale iron phosphate powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213434420U true CN213434420U (en) | 2021-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021775268.XU Active CN213434420U (en) | 2020-08-21 | 2020-08-21 | Device for preparing nanoscale iron phosphate powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213434420U (en) |
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2020
- 2020-08-21 CN CN202021775268.XU patent/CN213434420U/en active Active
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