CN212504428U

CN212504428U - Lithium cell NMP water solution handles uses filter equipment

Info

Publication number: CN212504428U
Application number: CN202020778167.1U
Authority: CN
Inventors: 滕荣国
Original assignee: Changzhou Jianghuan Energy Technology Co ltd
Current assignee: Changzhou Jianghuan Energy Technology Co ltd
Priority date: 2020-05-12
Filing date: 2020-05-12
Publication date: 2021-02-09
Anticipated expiration: 2030-05-12

Abstract

The utility model discloses a filtering device for treating lithium battery NMP aqueous solution, which comprises a fixed support and a connecting clamping block, wherein the top end inside the fixed support is clamped and installed with a liquid storage tank, the top end of the inner wall of the liquid storage tank is embedded and installed with a coarse screen, the middle part inside the liquid storage tank corresponds to the bottom end of the coarse screen and is evenly provided with a diversion cavity, the iron absorbing magnet is arranged at both sides outside the diversion cavity, the bottom end of the diversion cavity is embedded and installed with a fine screen, the bottom end inside the fixed support is clamped and installed with a liquid discharge tank, the bottom end of the inner wall of the liquid discharge tank is embedded and installed with a liquid discharge disc, when the liquid discharge disc inside the liquid discharge tank discharges the filtered NMP aqueous solution, a scraping blade is driven by a micro motor to rotate, and the adhered solute at the filtering hole position at, thereby solving the problems that the inside of the filter holes at the liquid outlet disc is easy to be blocked and the NMP water solution discharge is influenced.

Description

Lithium cell NMP water solution handles uses filter equipment

Technical Field

The utility model relates to a lithium cell production facility correlation technique field specifically is a lithium cell NMP water solution is handled and is used filter equipment.

Background

N-methyl pyrrolidone (NMP) is an important chemical raw material, is a polar solvent with strong selectivity and good stability, and is also a solvent commonly used in the production process of lithium batteries.

However, the conventional filter device for treating a battery NMP aqueous solution has problems that iron fine particles cannot be separated and adsorbed during use, and impurities in the NMP aqueous solution cannot be completely separated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium cell NMP water solution is handled and is used filter equipment to there is the small granule of iron to separate the absorption, the not thorough problem of NMP water solution impurity separation when solving the use that mentions in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lithium cell NMP water solution is handled and is used filter equipment, includes fixed bolster and connection fixture block, the inside top of fixed bolster is installed and is sieved the mechanism, it includes liquid storage pot, coarse screen cloth, water conservancy diversion cavity, inhales indisputable magnetite and fine screen cloth to sieve the mechanism, install the inside top joint of fixed bolster the liquid storage pot, install the embedding in liquid storage pot inner wall top the coarse screen cloth, the inside middle part of liquid storage pot corresponds coarse screen cloth bottom has evenly been seted up the water conservancy diversion cavity, the outside both sides of water conservancy diversion cavity are all placed and are installed inhale the indisputable magnetite, install the embedding of water conservancy diversion cavity bottom fine screen cloth.

Further, anti-blocking mechanism is installed to the inside bottom of fixed bolster, anti-blocking mechanism includes flowing back jar, play liquid dish, doctor-bar, filtration pore and micro motor, the flowing back jar is installed to the inside bottom joint of fixed bolster, install the embedding of flowing back tank inner wall bottom the play liquid dish, it evenly cup joints in the middle part of going out liquid dish bottom and installs the doctor-bar, install the doctor-bar bottom micro motor, micro motor's power input end and the output electric connection of commercial power.

Furthermore, the surface of the liquid outlet disc is uniformly provided with filter holes in a penetrating manner, and the edge of the liquid outlet disc is fixedly connected with the liquid discharge tank through the connecting clamping block.

Furthermore, a liquid inlet pipe is embedded in the surface of the top end of the outside of the liquid storage tank, and a liquid outlet pipe is embedded in the surface of the bottom end of the liquid discharge tank.

Further, all through fixed chuck fixed connection between liquid storage pot and the flowing back jar and the fixed bolster, just fixed chuck inner wall has pasted and has covered the silica gel gasket.

Further, the coarse screen and the fine screen are made of stainless steel materials, and a sealing end cover is installed at the top end of the liquid storage tank through a fixing nut.

The utility model provides a lithium cell NMP water solution is handled and is used filter equipment possesses following beneficial effect: the utility model discloses a be provided with the screening mechanism, when lithium cell NMP aqueous solution enters into to the liquid storage tank inside, can filter the screening to the solid state particle of the inside different diameters of NMP aqueous solution in proper order through coarse screen cloth and fine screen cloth to the iron micro particle that sneaks into in the lithium cell NMP aqueous solution through the iron magnet of inhaling that water conservancy diversion chamber side was placed separates and adsorbs, thereby has solved the inside solid-state impurity of traditional lithium cell NMP aqueous solution and has been difficult to filter the screening, influences the problem of later stage lithium cell production quality easily.

Through being provided with anti-blocking mechanism, when the inside liquid outlet disc of flowing back jar when discharging the NMP aqueous solution after filtering, drive the doctor-bar through micro motor and rotate, can strike off the solute that glues covering in liquid outlet disc bottom filter hole position department to solved and gone out the inside jam that takes place easily in liquid outlet disc department filter hole, influenced the problem that lithium cell NMP aqueous solution discharged.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the screening mechanism of the present invention;

fig. 3 is a schematic structural view of the anti-blocking mechanism of the present invention;

fig. 4 is a schematic structural view of the wiper blade according to the present invention.

In the figure: 1. fixing a bracket; 2. a screening mechanism; 201. a liquid storage tank; 202. coarse screening; 203. a flow-directing chamber; 204. a magnet; 205. a fine screen; 3. a liquid inlet pipe; 4. a liquid outlet pipe; 5. an anti-blocking mechanism; 501. a liquid discharge tank; 502. a liquid outlet disc; 503. scraping a blade; 504. filtering holes; 505. a micro motor; 6. fixing the chuck; 7. and connecting the clamping blocks.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-4, the utility model provides a technical solution: a filtering device for lithium battery NMP water solution treatment comprises a fixing support 1 and a connecting fixture block 7, wherein a screening mechanism 2 is installed at the top end inside the fixing support 1, the screening mechanism 2 comprises a liquid storage tank 201, a coarse screen 202, a flow guide chamber 203, an iron-absorbing magnet 204 and a fine screen 205, the liquid storage tank 201 is installed at the top end inside the fixing support 1 in a clamped mode, the coarse screen 202 is installed at the top end of the inner wall of the liquid storage tank 201 in an embedded mode, the flow guide chamber 203 is evenly formed in the middle inside the liquid storage tank 201 corresponding to the bottom end of the coarse screen 202, the iron-absorbing magnet 204 is installed on two sides of the outer portion of the flow guide chamber 203, the fine screen 205 is installed at the bottom end of the flow guide chamber 203 in an embedded mode, in order to improve the corrosion resistance of the coarse screen 202 and the fine screen 205 and prolong the actual service life of, solid impurities filtered in the liquid storage tank 201 are removed, and a sealing end cover is installed at the top end of the liquid storage tank 201 through a fixing nut.

The bottom end in the fixed support 1 is provided with an anti-blocking mechanism 5, the anti-blocking mechanism 5 comprises a liquid discharge tank 501, a liquid discharge disc 502, a scraping blade 503, a filter hole 504 and a micro motor 505, the bottom end in the fixed support 1 is provided with the liquid discharge tank 501 in a clamping manner, the bottom end of the inner wall of the liquid discharge tank 501 is embedded and provided with the liquid discharge disc 502, the middle part of the bottom end of the liquid discharge disc 502 is uniformly sleeved and provided with the scraping blade 503, the bottom end of the scraping blade 503 is provided with the micro motor 505, the power input end of the micro motor 505 is electrically connected with the output end of a mains supply, the surface of the liquid discharge disc 502 is uniformly provided with the filter hole 504 in a penetrating manner, NMP aqueous solution of the lithium battery filtered by the liquid storage tank 201 and the liquid discharge tank 501 can be discharged and conveyed through the filter hole 504, meanwhile, the liquid discharge disc 502 can be periodically, all through fixing chuck 6 fixed connection between liquid storage pot 201 and fluid-discharge tank 501 and the fixed bolster 1, and the subsides of fixing chuck 6 inner wall have a silica gel gasket, have guaranteed the fastness of liquid storage pot 201 and fluid-discharge tank 501 installation when using through fixing chuck 6 of fixed bolster 1 inside, have realized the buffer protection to liquid storage pot 201 and fluid-discharge tank 501 outer wall simultaneously through the silica gel gasket.

Feed liquor pipe 3 is installed to the outside top surface embedding of liquid storage pot 201, drain pipe 4 is installed to the embedding of flowing back jar 501 bottom surface, can be connected liquid storage pot 201 top and outside lithium cell NMP aqueous solution inlet means through feed liquor pipe 3 and fix, and can flow back jar 501 bottom and outside lithium cell NMP aqueous solution storage means be connected fixedly through drain pipe 4, be convenient for wholly carry out the high-speed joint to the device fixed, the convenient performance when having improved the device and using.

It should be noted that, when the filtering device for lithium battery NMP aqueous solution treatment works, firstly, the liquid storage tank 201 and the liquid discharge tank 501 are respectively connected and fixed through the fixing chuck 6 inside the fixing support 1, and the top end of the liquid storage tank 201 is connected and fixed with external lithium battery NMP aqueous solution inlet equipment through the liquid inlet pipe 3.

Then, when the lithium battery NMP aqueous solution enters the liquid storage tank 201, solid particles with different diameters in the NMP aqueous solution can be sequentially filtered and screened out through the coarse screen 202 and the fine screen 205, and iron micro particles mixed in the NMP aqueous solution can be separated and adsorbed through the magnet 204 arranged on the side of the diversion chamber 203, so that the problems that solid impurities in the traditional NMP aqueous solution are difficult to filter and screen out and the production quality of a lithium battery at the later stage is easily affected are solved, in order to improve the corrosion resistance of the coarse screen 202 and the fine screen 205 and prolong the actual service life of the coarse screen 202 and the fine screen 205, the coarse screen 202 and the fine screen 205 are both made of stainless steel materials;

finally, can be connected fixedly with outside lithium cell NMP aqueous solution stock solution equipment by drain pipe 4 drain pot 501 bottom, when the inside liquid outlet dish 502 of drain pot 501 was discharging the NMP aqueous solution after the filtration, drive doctor-blade 503 through micro motor 505 and rotate, can scrape off the solute that covers to the position department of liquid outlet dish 502 bottom filtration pore 504, thereby solved the inside jam that takes place easily of liquid outlet dish 502 department filtration pore 504, influence the problem that NMP aqueous solution discharged, dismantle the washing by the inside of drain pot 501 in order to can regularly with liquid outlet dish 502 simultaneously, guarantee the inside and surperficial clean degree of liquid outlet dish 502, and through connecting fixture block 7 fixed connection between liquid outlet dish 502 limit portion and the drain pot 501.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lithium cell NMP water solution is handled and is used filter equipment, includes fixed bolster (1) and connection fixture block (7), its characterized in that: fixed bolster (1) inside top is installed and is sieved mechanism (2), it includes liquid storage pot (201), coarse screen cloth (202), water conservancy diversion cavity (203), inhales indisputable magnetite (204) and fine screen cloth (205) to sieve mechanism (2), install fixed bolster (1) inside top joint liquid storage pot (201), install the embedding of liquid storage pot (201) inner wall top coarse screen cloth (202), the inside middle part of liquid storage pot (201) corresponds coarse screen cloth (202) bottom has evenly been seted up water conservancy diversion cavity (203), water conservancy diversion cavity (203) outside both sides are all placed and are installed inhale indisputable magnetite (204), install water conservancy diversion cavity (203) bottom embedding fine screen cloth (205).

2. The filter device for treating an NMP aqueous solution for a lithium battery according to claim 1, wherein: anti-blocking mechanism (5) are installed to the inside bottom of fixed bolster (1), prevent stifled mechanism (5) including flowing back jar (501), play liquid dish (502), doctor-bar (503), filtration pore (504) and micro motor (505), flowing back jar (501) are installed to the inside bottom joint of fixed bolster (1), it installs to go back liquid jar (501) inner wall bottom embedding go out liquid dish (502), it evenly cup joints in the middle part of liquid dish (502) bottom and installs doctor-bar (503), doctor-bar (503) bottom is installed micro motor (505), the power input end of micro motor (505) and the output electric connection of commercial power.

3. The filter device for treating an NMP aqueous solution for a lithium battery according to claim 2, wherein: and filtering holes (504) are uniformly formed in the surface of the liquid outlet disc (502) in a penetrating mode, and the edge of the liquid outlet disc (502) is fixedly connected with the liquid discharge tank (501) through the connecting fixture block (7).

4. The filter device for treating an NMP aqueous solution for a lithium battery according to claim 2, wherein: liquid inlet pipe (3) are installed to the outside top surface embedding of liquid storage pot (201), drain tank (501) bottom surface embedding installs drain pipe (4).

5. The filter device for treating an NMP aqueous solution for a lithium battery as claimed in claim 4, wherein: liquid storage pot (201) and fluid-discharge tank (501) and fixed bolster (1) all through fixed chuck (6) fixed connection, just fixed chuck (6) inner wall facing has the silica gel gasket.

6. The filter device for treating an NMP aqueous solution for a lithium battery according to claim 2, wherein: the coarse screen (202) and the fine screen (205) are made of stainless steel materials, and the top end of the liquid storage tank (201) is provided with a sealing end cover through a fixing nut.