CN219596634U - Lithium iron phosphate slurry production system - Google Patents
Lithium iron phosphate slurry production system Download PDFInfo
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- CN219596634U CN219596634U CN202321025772.1U CN202321025772U CN219596634U CN 219596634 U CN219596634 U CN 219596634U CN 202321025772 U CN202321025772 U CN 202321025772U CN 219596634 U CN219596634 U CN 219596634U
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- iron phosphate
- lithium iron
- production system
- stirring
- slurry
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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 lithium iron phosphate slurry production system, which comprises a stirring kettle, a slurry filtering mechanism and a transfer tank, wherein a discharge port of the stirring kettle is connected with a feed port of the slurry filtering mechanism; the slurry filtering mechanism comprises a sieving device and a collecting hopper which are sequentially arranged from top to bottom, a feeding hole is formed in the sieving device, a discharging hole is formed in the bottom of the collecting hopper, a discharging valve is arranged at the discharging hole, a stirring mechanism is arranged above a screen of the sieving device, and the upper side of the side wall of the collecting hopper is connected with a vacuumizing mechanism. By arranging the stirring mechanism above the screen, stirring is performed during filtering, so that the screen can be prevented from being blocked; meanwhile, the collecting hopper is connected with the vacuumizing mechanism, so that the slurry can be filtered, air bubbles generated in the filtering process can be removed, and the stability of subsequent coating performance and the improvement of the performance of lithium battery products are facilitated.
Description
Technical Field
The utility model belongs to the technical field of lithium plasma preparation, and relates to a lithium iron phosphate slurry production system.
Background
The lithium ion battery is widely applied to the fields of communication, illumination, energy storage, electric vehicles, electric bicycles, electric tools and the like. The lithium iron phosphate battery is widely applied to the fields of new energy automobiles and energy storage because of the advantages of good safety performance, long cycle life, low price and the like, and is popular in the market due to the fact that the lithium iron phosphate battery does not contain noble metals and rare elements, the raw material reserves are rich, the pollution to the environment is relatively small, and the lithium iron phosphate battery is little in pollution.
With the continuous development of lithium ion batteries, the requirements on anode and cathode materials are higher and higher, the particle size of the lithium iron phosphate material is smaller and smaller, the nano-scale is achieved, and the dispersion difficulty of battery slurry is larger and larger. After the slurry is prepared in the actual production process, a large amount of agglomerated particles appear in the slurry, so that on one hand, the filter device is easy to be blocked, the labor intensity of workers is increased, and the stability of the coating process is reduced; on the other hand, a great amount of bubbles can be generated in the filtering process, so that the product performance is greatly influenced, and the electrochemical performance of the lithium battery is further influenced.
Based on the above, the utility model provides a lithium iron phosphate slurry production system to solve the above technical problems.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide a lithium iron phosphate slurry production system.
The utility model adopts the following technical scheme:
the lithium iron phosphate slurry production system comprises a stirring kettle, a slurry filtering mechanism and a transfer tank, wherein a discharge port of the stirring kettle is connected with a feed port of the slurry filtering mechanism, a discharge port of the slurry filtering mechanism is connected with a feed port of the transfer tank, and a discharge port of the transfer tank is connected with a feed port of a coating machine;
the slurry filtering mechanism comprises a sieving device and a collecting hopper which are sequentially arranged from top to bottom, a feeding hole is formed in the sieving device, a discharging hole is formed in the bottom of the collecting hopper, a discharging valve is arranged at the discharging hole, a stirring mechanism is arranged above a screen of the sieving device, and the upper side of the side wall of the collecting hopper is connected with a vacuumizing mechanism.
The stirring mechanism comprises a stirring motor, a stirring rod and a scraper, wherein the scraper is in a cross shape and is just contacted with the screen.
The scraping plate is made of elastic materials, and is preferably made of acid and alkali resistant rubber, plastic, silica gel and other materials.
The vacuumizing mechanism comprises a vacuum pump, and a buffer container is arranged between the vacuum pump and the collecting hopper.
An exhaust valve is arranged between the buffer container and the collecting hopper, and a baffle is arranged at the air inlet position of the exhaust valve and used for preventing slurry from being sucked into the vacuumizing mechanism.
The bottom end of the sieving device is provided with a slag discharging port.
The sieving device is formed by surrounding a screen by a screen bracket, a sealing gasket is arranged at the joint of the screen bracket and the screen, and the screen bracket is fixed with the top end of the collecting hopper through bolts.
The utility model has the beneficial effects that:
the utility model relates to a lithium iron phosphate slurry production system, which comprises a slurry filtering mechanism, wherein a stirring mechanism is arranged above a screen, and stirring is performed during filtering, so that the occurrence of screen blockage can be prevented; meanwhile, the collecting hopper is connected with the vacuumizing mechanism, so that the slurry can be filtered, air bubbles generated in the filtering process can be removed, and the stability of subsequent coating performance and the improvement of the performance of lithium battery products are facilitated.
Drawings
FIG. 1 is a schematic diagram of a front view of the present utility model;
FIG. 2 is a top view of the screening apparatus of the present utility model;
FIG. 3 is a top view of a screed according to the present utility model;
in the figure: 1-stirring the kettle; 2-a transfer tank; 3-sieving device; 301-screen mesh; 302-a screen support; 4-collecting hoppers; 5-a discharge valve; 6-a stirring mechanism; 601-a stirring motor; 602-stirring rod; 603 a scraper; 7-vacuumizing mechanism; 701-a vacuum pump; 702-a buffer container; 703-an exhaust valve; 8-a slag discharge port; 9-a bolt; 10-coater.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Example 1
Referring to fig. 1-3, a lithium iron phosphate slurry production system comprises a stirring kettle 1, a slurry filtering mechanism and a transfer tank 2, wherein a discharge port of the stirring kettle 1 is connected with a feed port of the slurry filtering mechanism, a discharge port of the slurry filtering mechanism is connected with a feed port of the transfer tank 2, and a discharge port of the transfer tank 2 is connected with a feed port of a coating machine 10;
the slurry filtering mechanism comprises a sieving device 3 and a collecting hopper 4 which are sequentially arranged from top to bottom, a feeding hole is formed in the sieving device 3, a discharging hole is formed in the bottom of the collecting hopper 4, a discharging valve 5 is arranged at the discharging hole, a stirring mechanism 6 is arranged above a screen 301 of the sieving device 3, and the upper side of the side wall of the collecting hopper 4 is connected with a vacuumizing mechanism 7.
In this embodiment, the stirring mechanism 6 includes a stirring motor 601, a stirring rod 602 and a scraper 603, the scraper 603 is in a cross shape, the scraper 603 is just contacted with the screen 301, the scraper 603 is made of an elastic material, preferably an acid and alkali resistant silica gel material, and abrasion to the screen 301 is reduced.
In the present embodiment, the evacuation mechanism 7 includes a vacuum pump 701, and a buffer container 702 is provided between the vacuum pump 701 and the collection hopper 4; a vent valve 703 is provided between the buffer container 702 and the collection hopper 4, and a baffle 704 is provided at the inlet of the vent valve 703, and is preferably shaped to prevent the slurry from being sucked back into the vacuum suction mechanism.
In the present embodiment, the collection hopper 4 communicates with the evacuation mechanism 7 through a hose.
In this embodiment, the bottom end of the sieving device 3 is provided with a slag discharge port 8, and the slag discharge port 8 is provided with a corresponding valve for discharging large-particle impurities when the screen is cleaned.
In the embodiment, the sieving device 3 is formed by surrounding a screen 301 by a screen bracket 302 for one circle, a sealing gasket is arranged at the joint of the screen bracket 302 and the screen 301, and the top ends of the screen bracket 302 and the collecting hopper 4 are fixed by bolts 9.
In this embodiment, the stirring mechanism 6 is designed to be liftable in order to facilitate maintenance and cleaning of the sieving device 3 and the stirring mechanism 6.
The working principle of the utility model is as follows:
in the utility model, the slurry is uniformly dispersed by using the stirring kettle 1, then is filtered, the discharge valve 5 is kept in a closed state, the stirring motor 601 is started, and the scraper 603 above the screen 301 is used for stirring, so that the screen blockage condition can be prevented; simultaneously, the vacuum pump 701 is started to vacuumize, the filtering process enables the interior of the collecting hopper 4 to be kept in a negative pressure state, not only can the filtering of slurry be promoted, but also bubbles generated in the filtering process can be removed, then the discharging valve 5 is opened, the exhaust valve 703 is closed, and the filtered slurry enters the transfer tank 2 and then enters the coating process.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediary, or connected through communication between two elements. The specific meaning of the above terms in this application will be understood by those of ordinary skill in the art according to the specific circumstances.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (8)
1. The lithium iron phosphate slurry production system is characterized by comprising a stirring kettle (1), a slurry filtering mechanism and a transfer tank (2), wherein a discharge port of the stirring kettle (1) is connected with a feed port of the slurry filtering mechanism, a discharge port of the slurry filtering mechanism is connected with a feed port of the transfer tank (2), and a discharge port of the transfer tank (2) is connected with a feed port of a coating machine;
slurry filtering mechanism includes from last sieving mechanism (3) and collection hopper (4) that set gradually down, is equipped with the feed inlet on sieving mechanism (3), and the bottom of collection hopper (4) is equipped with the discharge gate, and the discharge gate is equipped with discharge valve (5), the screen cloth (301) top of sieving mechanism (3) is equipped with rabbling mechanism (6), the lateral wall top of collection hopper (4) is connected with evacuating mechanism (7).
2. The lithium iron phosphate slurry production system according to claim 1, wherein the stirring mechanism (6) comprises a stirring motor (601), a stirring rod (602) and a scraper blade (603), the scraper blade (603) is in a cross shape, and the scraper blade (603) is just contacted with the screen (301).
3. The lithium iron phosphate slurry production system according to claim 2, wherein the scraper (603) is made of an elastic material.
4. The lithium iron phosphate slurry production system according to claim 1, characterized in that the evacuation mechanism (7) comprises a vacuum pump (701), a buffer container (702) being provided between the vacuum pump (701) and the collecting hopper (4).
5. The lithium iron phosphate slurry production system according to claim 4, wherein a vent valve (703) is arranged between the buffer container (702) and the collecting hopper (4), and a baffle (704) is arranged at the air inlet position of the vent valve (703).
6. The lithium iron phosphate slurry production system according to claim 1, wherein the bottom end of the sieving device (3) is provided with a slag discharge port (8).
7. The lithium iron phosphate slurry production system according to claim 1, wherein the sieving device (3) is formed by surrounding a sieve (301) by a sieve support (302), and a sealing gasket is arranged at the joint of the sieve support (302) and the sieve (301).
8. The lithium iron phosphate slurry production system according to claim 7, wherein the screen bracket (302) is fixed to the top end of the collecting hopper (4) by bolts (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321025772.1U CN219596634U (en) | 2023-04-28 | 2023-04-28 | Lithium iron phosphate slurry production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321025772.1U CN219596634U (en) | 2023-04-28 | 2023-04-28 | Lithium iron phosphate slurry production system |
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| Publication Number | Publication Date |
|---|---|
| CN219596634U true CN219596634U (en) | 2023-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202321025772.1U Active CN219596634U (en) | 2023-04-28 | 2023-04-28 | Lithium iron phosphate slurry production system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117002874A (en) * | 2023-09-27 | 2023-11-07 | 山东省十里香芝麻制品股份有限公司 | Sesame paste production is with oily sauce vacuum storage device |
-
2023
- 2023-04-28 CN CN202321025772.1U patent/CN219596634U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117002874A (en) * | 2023-09-27 | 2023-11-07 | 山东省十里香芝麻制品股份有限公司 | Sesame paste production is with oily sauce vacuum storage device |
| CN117002874B (en) * | 2023-09-27 | 2023-12-15 | 山东省十里香芝麻制品股份有限公司 | Sesame paste production is with oily sauce vacuum storage device |
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