CN219129260U - Ferric phosphate precursor synthesis reaction kettle - Google Patents
Ferric phosphate precursor synthesis reaction kettle Download PDFInfo
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- CN219129260U CN219129260U CN202223319290.5U CN202223319290U CN219129260U CN 219129260 U CN219129260 U CN 219129260U CN 202223319290 U CN202223319290 U CN 202223319290U CN 219129260 U CN219129260 U CN 219129260U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model discloses a ferric phosphate precursor synthesis reaction kettle, which comprises a reaction kettle support, a reaction kettle body, a stirring device and a feeding device, wherein the reaction kettle body, the stirring device and the feeding device are fixedly arranged on the reaction kettle support; the reaction kettle is internally provided with a ph tester and a heating device, one side outside the reaction kettle is provided with a control console, the ph tester, the heating device, the stirring device and the feeding device are respectively and electrically connected with the control console, and the control console carries out on-line control on the heating device, the stirring device and the feeding device through real-time ph measured by the ph tester. The utility model can control the reaction conditions of materials in the synthetic reaction process on line in real time, and solves the technical problem of unstable control of the reaction conditions caused by manual control in the prior art.
Description
Technical Field
The utility model belongs to the technical field of chemical equipment, and particularly relates to a synthesis reaction kettle for an iron phosphate precursor.
Background
The lithium iron phosphate serving as a positive electrode material for the lithium battery has good electrochemical performance, a charging and discharging platform is very stable, and a structure is stable in the charging and discharging process; meanwhile, the material has the advantages of no toxicity, no pollution, good safety performance, wide sources of raw materials and the like, can be used in a high-temperature environment, and is a hotspot for the competitive phase development and research of the current battery world. In the production process of the ferric phosphate precursor, the ferric phosphate precursor needs to be fully heated and stirred, and certain requirements on PH (hydrogen ion concentration index) and feeding control are met. In the technology of synthesizing the ferric phosphate precursor in practice or laboratory, people tend to concentrate more on the preparation method of the ferric phosphate precursor, and neglect the reaction equipment for preparing the ferric phosphate precursor, so that the phenomenon that the existing reaction equipment for preparing the ferric phosphate precursor is not much is caused; in the existing patent library, we only search the Chinese patent with the issued publication number of CN216704385U for a synthesis device for manufacturing a ferric manganese phosphate precursor. However, in both the above-mentioned patent technologies and the technology of synthesizing the iron phosphate precursor in a laboratory using a three-necked flask and a constant pressure dropping funnel, manual control of reaction conditions (including heating temperature, stirring rotation speed and PH) is required, and there is a disadvantage in that control of the reaction conditions is unstable. Therefore, the iron phosphate precursor synthesis reaction kettle capable of controlling the reaction conditions on line is very important to the field of iron phosphate precursor preparation devices with few reaction equipment.
Disclosure of Invention
In view of the above, the utility model provides a ferric phosphate precursor synthesis reaction kettle which can control the reaction conditions of materials in the synthesis reaction process on line in real time, and solves the technical problem of unstable control of the reaction conditions caused by manual control in the prior art.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
an iron phosphate precursor synthesis reaction kettle, comprising:
a reaction kettle bracket;
the reaction kettle comprises a reaction kettle body, a stirring device and a feeding device which are fixedly arranged on a reaction kettle support, wherein one ends of the stirring device and the feeding device are fixed on the reaction kettle support, and the other ends of the stirring device and the feeding device are inserted into the reaction kettle body and are respectively used for feeding materials into the reaction kettle body and stirring the materials;
the reaction kettle is characterized in that a ph tester and a heating device are arranged in the reaction kettle body, a control console is arranged on one side outside the reaction kettle body, the ph tester, the heating device, the stirring device and the feeding device are respectively and electrically connected with the control console, and the control console carries out on-line control on the heating device, the stirring device and the feeding device through real-time ph measured by the ph tester.
Further, the reaction kettle body comprises a kettle main body, a kettle cover and a kettle bottom, wherein the kettle cover is in sealing connection with the top of the kettle main body, the kettle bottom is arranged at the bottom of the kettle main body, and the feeding device, the stirring device and the heating device penetrate through the kettle cover and are arranged inside the kettle main body.
Further, the kettle bottom comprises a discharge pipe communicated with the kettle body, a detachable filter plate is arranged at one end of the discharge pipe connected with the kettle body, and a discharge port is arranged at the other end of the discharge pipe.
Further, agitating unit includes driving motor, stirring rod and stirring rake, driving motor fixes on the reation kettle support, the one end of stirring rod with driving motor's power take off end is connected, the other end of stirring rod stretches into to the internal portion of reation kettle, the stirring rake sets up be located on the stirring rod the internal one end of reation kettle.
Further, the stirring paddles comprise a first stirring paddle and a second stirring paddle, and the first stirring paddle and the second stirring paddle are sleeved on the stirring rod at intervals from top to bottom so as to realize sufficient stirring of feeding in the reaction kettle body.
Further, feed arrangement includes feeder hopper and inlet pipe, the feeder hopper detachably installs on the reation kettle support, the one end of inlet pipe with the exit linkage of feeder hopper, the other end of inlet pipe inserts the inside of the reation kettle body.
Further, a flow rate control valve for controlling the feeding speed is arranged at one end, close to the feeding hopper, of the feeding pipe, and the flow rate control valve is electrically connected with the control console.
Further, the heating device has two, set up respectively in agitating unit's both sides, every heating device is all including the heating tip and the heating rod that connect, the heating tip sets up the top of the reation kettle body, the heating rod inserts the inside of the reation kettle body.
Further, the test end of the ph tester is inserted into the lower part of the inside of the reaction kettle body and used for implementing reaction ph for detecting the feeding in the reaction kettle body.
Further, the control console comprises a display and a controller, wherein the display is electrically connected with the ph tester, and the controller is electrically connected with the stirring device, the feeding device and the heating device.
Compared with the prior art, the utility model has the beneficial effects that:
according to the iron phosphate precursor synthesis reaction kettle provided by the utility model, the control console is arranged at one side outside the reaction kettle body, and the feeding device, the stirring device, the heating device and the PH tester are inserted into the reaction kettle body and are electrically connected with the control console, so that the real-time control of the material state in the synthesis reaction process is realized, the stable control of all conditions (including the heating temperature, the stirring rotating speed and the PH) in the reaction process is realized, the technical problem of unstable reaction conditions caused by manual control in the prior art is solved, the difficulty of preparing the precursor by manual synthesis is greatly reduced, and the preparation efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a reaction kettle for synthesizing ferric phosphate precursors;
FIG. 2 is a schematic view of the first stirring paddle according to the present utility model;
fig. 3 is a schematic structural view of the second stirring paddle according to the present utility model.
The figure shows:
1-a reaction kettle bracket;
2-reaction kettle body, 21-kettle main body, 22-kettle cover, 23-kettle bottom, 231-detachable filter plate and 232-discharge port;
3-stirring device, 31-driving motor, 32-stirring rod, 33-stirring paddle, 331-first stirring paddle and 332-second stirring paddle;
4-feeding device, 41-feeding hopper, 42-feeding pipe and 43-flow rate control valve;
5-heating device, 51-heating end, 52-heating rod;
a 6-ph tester;
7-console, 71-display, 72-controller.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1, the utility model provides a reaction kettle for synthesizing ferric phosphate precursors, which comprises a reaction kettle support 1, a reaction kettle body 2, a stirring device 3, a feeding device 4, a heating device 5, a ph tester 6 and a control console 7, wherein the reaction kettle body 2, the stirring device 3 and the feeding device 4 are fixedly arranged on the reaction kettle support 1, one ends of the stirring device 3 and the feeding device 4 are fixed on the reaction kettle support 1, and the other ends of the stirring device 3 and the feeding device 4 are inserted into the reaction kettle body 2 so as to be used for feeding materials into the reaction kettle body 2 and stirring the feeding materials; the ph tester 6 and the heating device 5 are arranged in the reaction kettle body 2, the control console 7 is arranged on one side of the exterior of the reaction kettle body 2, the stirring device 3, the feeding device 4, the heating device 5 and the ph tester 6 are electrically connected with the control console 7, then the control console 7 carries out on-line control on the stirring device 3, the feeding device 4 and the heating device 5 through the real-time ph measured by the ph tester 6 so as to replace the existing manual control reaction conditions, realize the automatic synthesis of the ferric phosphate precursor, and each reaction condition can be stably controlled in the reaction process, thereby reducing the difficulty of preparing the precursor by manual synthesis and improving the preparation efficiency.
In a specific embodiment, the reaction kettle body 2 includes a kettle main body 21, a kettle cover 22 and a kettle bottom 23, the kettle cover 22 is in sealing connection with the top of the kettle main body 21, the kettle bottom 23 is disposed at the bottom of the kettle main body 21, and the feeding device 4, the stirring device 3 and the heating device 5 are disposed inside the kettle main body 21 through the kettle cover 22.
Optionally, the kettle main body 21 is made of high-temperature-resistant titanium alloy material, so that a good heat preservation effect is achieved; the kettle cover 22 and the kettle main body 21 are sealed and insulated.
Optionally, the bottom 23 of the kettle includes a discharge pipe communicated with the kettle body 21, one end of the discharge pipe connected with the kettle body 21 is provided with a detachable filter plate 231, and the other end of the discharge pipe is provided with a discharge port 232. The detachable filter plate 231 and the discharge port 232 can pump liquid and discharge the precursor, so that the precursor can be aged and washed without discharging, the material loss is reduced, and the time is saved.
In a specific embodiment, the stirring device 3 includes a driving motor 31, a stirring rod 32 and a stirring paddle 33, the driving motor 31 is fixed on the reaction kettle support 1, one end of the stirring rod 32 is connected with a power output end of the driving motor 31, the other end of the stirring rod 32 extends into the reaction kettle body 2, and the stirring paddle 33 is disposed on one end of the stirring rod 32 located in the reaction kettle body 2.
Optionally, the stirring paddle 33 includes a first stirring paddle 331 and a second stirring paddle 332, and the first stirring paddle 331 and the second stirring paddle 332 are sleeved on the stirring rod 32 at an upper-lower interval, so as to achieve sufficient stirring of the feeding in the reaction kettle body 2. The structures of the first stirring paddle 331 and the second stirring paddle 332 are shown in fig. 2 and 3, respectively, and the structures of the first stirring paddle 331 and the second stirring paddle 332 are obviously different, so that the purpose of the arrangement is to sufficiently stir materials.
In a specific embodiment, the feeding device 4 includes a feeding hopper 41 and a feeding pipe 42, the feeding hopper 41 is detachably mounted on the reaction kettle support 1, one end of the feeding pipe 42 is connected with the outlet of the feeding hopper 41, and the other end of the feeding pipe 42 is inserted into the reaction kettle body 2.
Optionally, a flow rate control valve 43 for controlling the feeding speed is disposed on the end of the feeding pipe 42 near the feeding hopper 41, and the flow rate control valve 43 is electrically connected with the console 7. The feed hopper 41 is replaceable with various materials required for synthesis, and the rate of material addition can be controlled by a flow rate control valve 43. Moreover, the feed hopper 41 can be replaced by a feed hopper 41 containing other raw materials, so that the raw materials can be replaced conveniently.
In a specific embodiment, two heating devices 5 are respectively disposed on two sides of the stirring device 3, each heating device 5 includes a heating end portion 51 and a heating rod 52 that are connected, the heating end portion 51 is disposed on the top of the reaction kettle body 2, and the heating rod 52 is inserted into the reaction kettle body 2 to fully heat the material in the reaction kettle body 2.
In a specific embodiment, the test end of the ph tester 6 is inserted below the inside of the reaction kettle body 2 to perform a reaction ph for detecting the feed in the reaction kettle body 2.
In a specific embodiment, the console 7 includes a display 71 and a controller 72, the display 71 is electrically connected to the ph tester 6, and the controller 72 is electrically connected to the stirring device 3, the feeding device 4, and the heating device 5.
In the synthesis process of the iron phosphate precursor synthesis reaction kettle, the required ferrous sulfate solution is added into the reaction kettle body 2 through the feeding device 4, hydrogen peroxide is added for oxidation, then ammonium dihydrogen phosphate solution is added, the feeding speed of ammonium dihydrogen phosphate can be controlled through the flow rate control valve 43, and then ammonia water is added for regulating ph; during the synthesis reaction, online ph during the reaction is monitored in real time by a ph tester 6, and the rotation speed of the stirring device 3 and the temperature of the heating device 5 are controlled by a console 7.
After the reaction is finished, the filtrate can be pumped and filtered out through the discharge port 232 of the kettle bottom 23, the detachable filter plate 231 can finish solid-liquid separation, then phosphoric acid is added into the material through the feeding device 4 for material aging, and the aging liquid can be discharged through the discharge port 232. After the ageing is finished, the material can be washed, the detachable filter plate 231 is detached for the 3 rd time of washing, the slurry is completely discharged, and the prepared ferric phosphate precursor can be obtained through suction filtration and sintering.
In conclusion, the iron phosphate precursor synthesis reaction kettle has the advantages of simple structure and convenient operation, can automatically synthesize the iron phosphate precursor, can age and wash materials, greatly reduces manpower and material resources, and can monitor the reaction state in real time in the reaction process to prepare the precursor with better effect.
The above-described embodiments of the present utility model do not limit the scope of the present utility model. Any other corresponding changes and modifications made in accordance with the technical idea of the present utility model shall be included in the scope of the claims of the present utility model.
Claims (10)
1. The utility model provides an iron phosphate precursor synthesizes reation kettle which characterized in that includes:
a reaction kettle bracket;
the reaction kettle comprises a reaction kettle body, a stirring device and a feeding device which are fixedly arranged on a reaction kettle support, wherein one ends of the stirring device and the feeding device are fixed on the reaction kettle support, and the other ends of the stirring device and the feeding device are inserted into the reaction kettle body and are respectively used for feeding materials into the reaction kettle body and stirring the materials;
the reaction kettle is characterized in that a ph tester and a heating device are arranged in the reaction kettle body, a control console is arranged on one side outside the reaction kettle body, the ph tester, the heating device, the stirring device and the feeding device are respectively and electrically connected with the control console, and the control console carries out on-line control on the heating device, the stirring device and the feeding device through real-time ph measured by the ph tester.
2. The iron phosphate precursor synthesis reaction kettle according to claim 1, wherein the reaction kettle body comprises a kettle main body, a kettle cover and a kettle bottom, the kettle cover is connected to the top of the kettle main body in a sealing manner, the kettle bottom is arranged at the bottom of the kettle main body, and the feeding device, the stirring device and the heating device penetrate through the kettle cover and are arranged inside the kettle main body.
3. The ferric phosphate precursor synthesis reaction kettle according to claim 2, wherein the kettle bottom comprises a discharge pipe communicated with the kettle body, a detachable filter plate is arranged at one end of the discharge pipe connected with the kettle body, and a discharge port is arranged at the other end of the discharge pipe.
4. The reactor for synthesizing ferric phosphate precursor according to claim 1, wherein the stirring device comprises a driving motor, a stirring rod and a stirring paddle, the driving motor is fixed on the reactor support, one end of the stirring rod is connected with a power output end of the driving motor, the other end of the stirring rod extends into the reactor body, and the stirring paddle is arranged on one end of the stirring rod, which is positioned in the reactor body.
5. The reactor for synthesizing ferric phosphate precursor according to claim 4, wherein the stirring paddles comprise a first stirring paddle and a second stirring paddle, and the first stirring paddle and the second stirring paddle are sleeved on the stirring rod at an upper and lower interval to realize sufficient stirring of the feeding in the reactor.
6. The reactor for synthesizing ferric phosphate precursor according to claim 1, wherein the feeding device comprises a feeding hopper and a feeding pipe, the feeding hopper is detachably mounted on the reactor support, one end of the feeding pipe is connected with an outlet of the feeding hopper, and the other end of the feeding pipe is inserted into the reactor body.
7. The reactor for synthesizing ferric phosphate precursor according to claim 6, wherein a flow rate control valve for controlling the feeding speed is arranged at one end of the feeding pipe close to the feeding hopper, and the flow rate control valve is electrically connected with the control console.
8. The reactor for synthesizing ferric phosphate precursor according to claim 1, wherein two heating devices are respectively arranged at two sides of the stirring device, each heating device comprises a heating end part and a heating rod which are connected, the heating end parts are arranged at the top of the reactor body, and the heating rods are inserted into the reactor body.
9. The ferric phosphate precursor synthesis reaction kettle according to claim 1, wherein a test end of the ph tester is inserted into the lower part of the reaction kettle body for detecting the reaction ph of the feed in the reaction kettle body in real time.
10. The reactor for synthesizing ferric phosphate precursor according to claim 1, wherein the control console comprises a display and a controller, the display is electrically connected with the ph tester, and the controller is electrically connected with the stirring device, the feeding device and the heating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223319290.5U CN219129260U (en) | 2022-12-05 | 2022-12-05 | Ferric phosphate precursor synthesis reaction kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223319290.5U CN219129260U (en) | 2022-12-05 | 2022-12-05 | Ferric phosphate precursor synthesis reaction kettle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219129260U true CN219129260U (en) | 2023-06-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223319290.5U Active CN219129260U (en) | 2022-12-05 | 2022-12-05 | Ferric phosphate precursor synthesis reaction kettle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219129260U (en) |
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2022
- 2022-12-05 CN CN202223319290.5U patent/CN219129260U/en active Active
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