Slurry processing device for lithium battery

Abstract

The utility model discloses a slurry processing device for a lithium battery, which belongs to the technical field of lithium battery slurry processing equipment and comprises a mixing tank, a discharge pipe is arranged at the bottom end of the mixing tank, and a circulating filter component is connected between the discharge pipe and the upper end of the mixing tank. The circulating filtering assembly is composed of a circulating pipe, a first electromagnetic valve, a filtering box, a circulating pump, a guide rail and a filter screen, a motor is fixed to the middle of the top end of the mixing tank, a stirring shaft is connected to an output shaft of the motor, and a scraper is installed on one side wall of the stirring shaft. According to the circulating filtration device, a group of circulating filtration mechanism consisting of the circulating pipe, the circulating pump, the filter box, the filter screen and the guide rail is designed, in the slurry preparation process, the circulating pump enables slurry to circularly flow through the circulating pipe, and in the flowing process, the filter screen in the filter box can remove impurities and small particles in the slurry; and meanwhile, the filter screen can be conveniently cleaned and replaced through the guide rails, and the using effect of the device is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery slurry processing equipment, in particular to a slurry processing device for lithium batteries. Background Technique

[0002] Pulping is an important process in the lithium battery processing. Generally, the slurry is made by mixing raw materials in a certain proportion, and the mixing degree of the slurry determines the quality of the lithium battery produced.

[0003] In the existing slurry processing device for lithium batteries, during use, the raw materials are stirred and mixed according to a certain proportion to achieve the processing of the slurry. In the above method, during the stirring process, due to the influence of the raw material purity factor, there will be tiny particulate impurities in the slurry, and since it is not convenient to screen them out, the preparation effect of the slurry is affected, resulting in poor use effect of the device. Therefore, there is an urgent need for a slurry processing device for lithium batteries to solve the above problems. Content of the Utility Model

[0004] The main purpose of the utility model is to provide a slurry processing device for lithium batteries.

[0005] The purpose of the utility model can be achieved by adopting the following technical solutions:

[0006] A slurry processing device for lithium batteries includes a mixing tank. A discharge pipe is arranged at the bottom end of the mixing tank, and a circulating and filtering assembly is connected between the discharge pipe and the upper end of the mixing tank. The circulating and filtering assembly consists of a circulating pipe, a first solenoid valve, a filtering box, a circulating pump, a guide rail and a filter screen. A motor is fixed in the middle of the top end of the mixing tank, a stirring shaft is connected to the output shaft of the motor, and a scraping plate is installed on one side wall of the stirring shaft.

[0007] Preferably, the discharge pipe is formed on the mixing tank, and the circulating pipe is fixed between the discharge pipe and the mixing tank through a flange.

[0008] Preferably, the first solenoid valve is installed on the circulating pipe through a thread, and the circulating pump is fixed on the circulating pipe through a bolt.

[0009] Preferably, the filtering box is installed on the circulating pipe through a flange, the guide rail is fixed in the filtering box through a screw, the filter screen is slidably connected to the guide rail, and there are two groups of filter elements with gradually increasing filtering performance.

[0010] Preferably, the motor is fixed on the top end of the mixing tank through a bolt, the output shaft of the motor is fixedly connected to the stirring shaft, and the scraping plate is fixed on the stirring shaft through a screw.

[0011] Preferably, a feeding pipe is arranged on one side of the motor, and the feeding pipe is welded to the top end of the mixing tank.

[0012] Preferably, a second electromagnetic valve is installed by means of a thread at a position where the discharge pipe is located below the circulation pipe, and a support frame is welded to the outside of the mixing tank.

[0013] The beneficial technical effects of the present utility model:

[0014] The present utility model designs a set of circulating and filtering mechanism composed of a circulation pipe, a circulation pump, a filtering box, a filter screen and a guide rail. During the preparation of the slurry, the circulation pump makes the slurry circulate through the circulation pipe. During the flowing process, the filter screen in the filtering box can remove impurities and tiny particles in the slurry, thereby ensuring the preparation effect of the slurry. At the same time, the guide rail facilitates the cleaning and replacement of the filter screen, effectively improving the use effect of the device. Description of the drawings

[0015] Figure 1 FIG. 1 is a schematic structural diagram of a preferred embodiment of a slurry processing device for a lithium battery according to the present utility model;

[0016] Figure 2 FIG. 2 is a schematic structural diagram of a circulating and filtering assembly in a preferred embodiment of a slurry processing device for a lithium battery according to the present utility model;

[0017] Figure 3 FIG. 3 is a schematic internal structural diagram of a filtering box in a preferred embodiment of a slurry processing device for a lithium battery according to the present utility model;

[0018] Figure 4 FIG. 4 is a main sectional view of a mixing tank in a preferred embodiment of a slurry processing device for a lithium battery according to the present utility model.

[0019] The description of the reference numerals is as follows:

[0020] Mixing tank; 2. Circulating and filtering assembly; 201. Circulation pipe; 202. Filtering box; 203. Circulation pump; 204. First electromagnetic valve; 205. Guide rail; 206. Filter screen; 3. Discharge pipe; 4. Second electromagnetic valve; 5. Support frame; 6. Feeding pipe; 7. Motor; 8. Stirring shaft; 9. Scraper. Detailed implementation manners

[0021] To make the technical solutions of the present utility model clearer and more definite for those skilled in the art, the present utility model will be further described in detail below in conjunction with the embodiments and the drawings, but the implementation manners of the present utility model are not limited thereto.

[0022] As Figures 1-4As shown in the figure, a slurry processing device for a lithium battery provided in this embodiment includes a mixing tank 1. A discharge pipe 3 is provided at the bottom end of the mixing tank 1. A circulation filtration assembly 2 is connected between the discharge pipe 3 and the upper end of the mixing tank 1. The circulation filtration assembly 2 is composed of a circulation pipe 201, a first solenoid valve 204, a filtration tank 202, a circulation pump 203, a guide rail 205, and a filter screen 206. In the middle of the top end of the mixing tank 1, a motor 7 is fixed. A stirring shaft 8 is connected to the output shaft of the motor 7. A scraper 9 is installed on one side wall of the stirring shaft 8.

[0023] The discharge pipe 3 is formed on the mixing tank 1. The circulation pipe 201 is fixed between the discharge pipe 3 and the mixing tank 1 through a flange. The circulation pipe 201 enables the slurry to circulate.

[0024] The first solenoid valve 204 is installed on the circulation pipe 201 through a thread. The circulation pump 203 is fixed on the circulation pipe 201 through bolts. The first solenoid valve 204 controls the on / off of the circulation pipe 201. The circulation pump 203 makes the slurry circulate in the circulation pipe 201.

[0025] The filtration tank 202 is installed on the circulation pipe 201 through a flange. The guide rail 205 is fixed in the filtration tank 202 through screws. The filter screen 206 is slidably connected to the guide rail 205. There are two groups of filter elements and their filtration performance increases in sequence. During the flow of the slurry, the filter screen 206 in the filtration tank 202 can remove impurities and tiny particles in the slurry, thereby ensuring the preparation effect of the slurry. At the same time, the guide rail 205 facilitates the cleaning and replacement of the filter screen 206, effectively improving the use effect of the device.

[0026] The motor 7 is fixed on the top end of the mixing tank 1 through bolts. The output shaft of the motor 7 is fixedly connected to the stirring shaft 8. The scraper 9 is fixed on the stirring shaft 8 through screws. The motor 7 drives the stirring shaft 8 to stir various raw materials, accelerating their mixing. The scraper 9 can scrape the residual slurry on the inner wall of the mixing tank 1.

[0027] A feed pipe 6 is provided on one side of the motor 7. The feed pipe 6 is welded to the top end of the mixing tank 1. Various raw materials are injected into the mixing tank 1 through the feed pipe 6 according to the ratio for mixing.

[0028] A second solenoid valve 4 is installed on the discharge pipe 3 at a position below the circulation pipe 201 through a thread. A support frame 5 is welded on the outside of the mixing tank 1. After the preparation is completed, the discharge pipe 3 is opened through the second solenoid valve 4, and the prepared slurry is discharged and collected.

[0029] Working principle of this device: Connect the external power supply. Each raw material is injected into the mixing tank 1 through the feeding pipe 6 according to the ratio for mixing. The motor 7 drives the stirring shaft 8 to stir each raw material to accelerate the mixing. The scraper 9 can scrape the slurry remaining on the inner wall of the mixing tank 1. During the preparation process, the first solenoid valve 204 is opened and the second solenoid valve 4 is closed. At this time, the circulating pump 203 makes the slurry circulate through the circulation pipe 201. During the flowing process, the filter screen 206 in the filter box 202 can remove impurities and tiny particles in the slurry, thereby ensuring the preparation effect of the slurry. After the preparation is completed, the second solenoid valve 4 is opened and the first solenoid valve 204 is closed. The prepared slurry is discharged and collected through the discharge pipe 3.

[0030] The above are only further embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the scope disclosed by the present utility model, according to the technical solution and concept of the present utility model, makes equivalent substitutions or changes, all belong to the protection scope of the present utility model.

Claims

1. A slurry processing device for lithium batteries, characterized in that: The invention comprises a mixing tank (1) and a filter element. A discharge pipe (3) is arranged at the bottom end of the mixing tank (1). A circulation filter assembly (2) is connected between the discharge pipe (3) and the upper end of the mixing tank (1). The circulation filter assembly (2) comprises a circulation pipe (201), a first solenoid valve (204), a filter box (202), a circulation pump (203), a guide rail (205) and a filter screen (206). A motor (7) is fixed at the middle of the top end of the mixing tank (1). A stirring shaft (8) is connected to the output shaft of the motor (7). A scraper (9) is installed on one side wall of the stirring shaft (8).

2. A lithium battery slurry processing device according to claim 1, characterized in that: The discharge pipe (3) is formed on the mixing tank (1), and the circulation pipe (201) is fixed between the discharge pipe (3) and the mixing tank (1) via a flange.

3. A lithium battery slurry processing device according to claim 2, characterized in that: The first solenoid valve (204) is installed on the circulation pipe (201) via threads, and the circulation pump (203) is fixed on the circulation pipe (201) via bolts.

4. A lithium battery slurry processing device according to claim 3, characterized in that: The filter box (202) is mounted on the circulation pipe (201) via a flange, the guide rail (205) is fixed in the filter box (202) via screws, the filter screen (206) is slidably connected to the guide rail (205), and the filter element has two groups and the filtering performance increases sequentially.

5. A lithium battery slurry processing device according to claim 4, characterized in that: The motor (7) is fixed to the top of the mixing tank (1) by means of bolts, the output shaft of the motor (7) is fixedly connected to the stirring shaft (8), and the scraper (9) is fixed to the stirring shaft (8) by means of screws.

6. A lithium battery slurry processing device according to claim 5, characterized in that: A material injection pipe (6) is provided on one side of the motor (7), and the material injection pipe (6) is welded to the top end of the mixing tank (1).

7. A lithium battery slurry processing device according to claim 6, characterized in that: The discharge pipe (3) is provided with a second solenoid valve (4) through a thread at a position below the circulation pipe (201), and a support frame (5) is welded to the outside of the mixing tank (1).

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