Automatic residual liquid cleaning device

Abstract

The utility model discloses an automatic residual liquid cleaning device, which relates to the technical field of lithium battery production equipment, is arranged below a gas-liquid cyclone separator and comprises a cleaning tank, a scraping component, a power component, a liquid level sensor and a PLC (programmable logic controller). The gas-liquid cyclone separator is arranged on the support, the cleaning tank is arranged at the bottom of the gas-liquid cyclone separator, a discharging pipe is arranged at the bottom of the cleaning tank, and a discharging valve is arranged on the discharging pipe; the scraping assembly is arranged in the cleaning tank and comprises a bearing and a plurality of scrapers, the scrapers are uniformly arranged on the outer wall of the bearing, the outer edges of the scrapers cling to the inner wall of the cleaning tank, and the bottom of the bearing penetrates through the cleaning tank and then is connected with the power assembly; the PLC is connected with the power assembly, the liquid level sensor and the discharging valve, the liquid level sensor is arranged in the gas-liquid cyclone separator and used for detecting the liquid level height of residual liquid and sending information to the PLC, and the PLC is used for starting the power assembly and opening the discharging valve. According to the scheme, residual liquid can be automatically and efficiently cleaned, and manual participation is not needed.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery production equipment, in particular to an automatic residual liquid cleaning device. Background Art

[0002] During the production and processing of lithium-ion negative electrode materials, the tail gas generated by the reactor enters the gas-liquid cyclone separator, and the condensed liquid also flows into the gas-liquid cyclone separator. When the residual liquid residue in the gas-liquid cyclone separator accumulates to a certain amount, it will block the circulation system of the tank, affecting the normal use of the storage tank. In addition, the residual liquid residue is not conducive to the maintenance of the tank and blocking the tail gas system, and it will also affect the quality of the product. The commonly used cleaning methods for gas-liquid cyclone separators are manual physical cleaning and similar solvent cleaning, and both cleaning methods have shortcomings: during manual physical cleaning, due to the large amount of toxic and harmful gases and materials in the tank, and the limited space operation in a high temperature environment, the construction intensity is very high and the degree of danger is very high; when using similar solvent cleaning, although the construction risk is relatively small, a large amount of solvent is required during the cleaning process, and a large amount of residual liquid will be produced after cleaning, and it takes a long time to affect production. The labor cost, time cost and residual liquid disposal cost are very high. Therefore, designing a cleaning device with a wide range of applications, high safety, short time consumption, and small amount of waste after cleaning has become an urgent problem to be solved in the industry. Utility Model Content

[0003] In order to solve the deficiencies of the prior art, the utility model provides an automatic residual liquid cleaning device, which can automatically clean the residual liquid without manual intervention.

[0004] In order to achieve the purpose of this utility model, the following scheme is proposed:

[0005] The invention discloses an automatic residual liquid cleaning device, which is arranged below a gas-liquid cyclone separator. The device comprises a cleaning tank, a scraping component, a power component, a liquid level sensor and a PLC controller.

[0006] The gas-liquid cyclone separator is arranged on the bracket, the cleaning tank is arranged at the bottom of the gas-liquid cyclone separator, and a discharge pipe is arranged at an eccentric position at the bottom of the cleaning tank. The three are interconnected, and a discharge valve is arranged on the discharge pipe;

[0007] The scraping assembly is arranged in the cleaning tank, including a bearing and a plurality of scrapers, the plurality of scrapers are evenly arranged on the outer wall of the bearing, the outer edge of the scraper is close to the inner wall of the cleaning tank, the bottom of the bearing passes through the cleaning tank and is connected to the power assembly, and the power assembly is used to drive the bearing;

[0008] The PLC controller connects the power assembly, the liquid level sensor and the discharge valve. The liquid level sensor is arranged inside the gas-liquid cyclone separator to detect the liquid level of the residual liquid and send the information to the PLC controller. The PLC controller is used to start the power assembly and open the discharge valve.

[0009] Furthermore, the scraping assembly also includes a sealing ring, which includes a ring portion and a plurality of branches, wherein the branches are arranged at the corresponding bottom of the scraper, and the ring portion is sleeved on the bearing.

[0010] Furthermore, the power assembly includes a motor, two sprockets and a chain. The motor is arranged on the bracket through a support plate, and its output shaft is connected to one of the sprockets. The other sprocket is coaxially connected to the bearing, and the chain is sleeved on the two sprockets.

[0011] Furthermore, the gas-liquid cyclone separator includes a cylindrical tank body and an inverted frustum-shaped tank body arranged at the bottom thereof, and the liquid level sensor is arranged inside the inverted frustum-shaped tank body.

[0012] Furthermore, the gas-liquid cyclone separator is provided with a nitrogen injection pipe, the nitrogen injection pipe is provided with an injection valve, and the PLC controller is also connected to the injection valve.

[0013] Furthermore, the scraper is configured to be U-shaped, and the U-shaped opening faces the bearing.

[0014] Furthermore, an impeller is provided on the bearing for stirring the residual liquid.

[0015] The beneficial effects of the utility model are: not only the cleaning efficiency of residual liquid is improved, making the cleaning more thorough, but also the health of the staff is guaranteed, and a large amount of manual cleaning costs are saved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 Shows a schematic diagram of the structure of an automatic cleaning device;

[0017] Figure 2 A structural diagram of a scraping assembly is shown;

[0018] Figure 3 A plan view of the seal ring is shown. DETAILED DESCRIPTION

[0019] like Figure 1 As shown, this embodiment provides an automatic residual liquid cleaning device, which is arranged below the gas-liquid cyclone separator 1. The device includes a cleaning tank 5, a scraping component, a power component, a liquid level sensor, and a PLC controller.

[0020] Specifically, the gas-liquid cyclone separator 1 is arranged on the bracket 9, and the gas-liquid cyclone separator 1 includes a cylindrical tank body 11 and an inverted frustum-shaped tank body 12 arranged at the bottom thereof. The cleaning tank 5 is arranged at the bottom of the gas-liquid cyclone separator 1, and a discharge pipe 6 is arranged at an eccentric position at the bottom of the cleaning tank 5. The gas-liquid cyclone separator 1, the cleaning tank 5 and the discharge pipe 6 are interconnected, and a discharge valve 61 is arranged on the discharge pipe 6 for controlling the opening and closing of the discharge pipe 6.

[0021] Specifically, Figure 1 , Figure 2As shown, the scraping assembly is arranged in the cleaning tank 5, including a bearing 504 and three scrapers 501. The three scrapers 501 are evenly arranged on the outer wall of the bearing 504. The outer edge of the scraper 501 is close to the inner wall of the cleaning tank 5 and is used to scrape the residual liquid on the inner wall of the cleaning tank 5. The bottom of the bearing 504 passes through the cleaning tank 5 and is connected to the power assembly. The power assembly is used to drive the bearing 504.

[0022] In order to improve the sealing performance, Figure 2 , Figure 3 As shown, the scraping assembly of this embodiment further includes a sealing ring 502 , which includes a ring portion and three branches. The branches are arranged at the bottom of the corresponding scraper 501 , and the ring portion is sleeved on the bearing 504 .

[0023] There are many ways to implement the power assembly. In this embodiment, the power assembly includes a motor 4, two sprockets 7 and a chain 8. The motor 4 is arranged on a bracket 9 through a support plate. The output shaft at the bottom of the motor 4 is connected to one of the sprockets 7, and the other sprocket 7 is coaxially connected to the bearing 504. The chain 8 is sleeved on the two sprockets 7.

[0024] Specifically, the PLC controller is a prior art and will not be described in detail here. The PLC controller is connected to the motor 4, the liquid level sensor and the discharge valve 61. The liquid level sensor is arranged inside the gas-liquid cyclone separator 1, or more precisely, inside the inverted cone-shaped tank body 12, and is used to detect the liquid level of the residual liquid. When the liquid level of the residual liquid reaches a preset value, the liquid level sensor is used to send information to the PLC controller, and the PLC controller starts the motor 4 and opens the discharge valve 61 to release the residual liquid.

[0025] In order to improve the cleaning effect, the present embodiment adopts the following measures: First, a nitrogen injection pipe 2 is provided on the gas-liquid cyclone separator 1, and an injection valve 21 is provided on the nitrogen injection pipe 2. The PLC controller is also connected to the injection valve 21 to control the opening and closing of the injection valve 21. Second, the scraper 501 is set to be U-shaped, and the U-shaped opening faces the bearing 504. The bearing 504 is provided with an impeller for stirring the residual liquid. The impeller belongs to the prior art and will not be described in detail here. The scraper 501 is designed in this way for multiple purposes. One is to free up space for installing the impeller, the second is to save the material of the scraper 501, and the third is to reduce the resistance of the scraper 501 during rotation.

[0026] The method of use is as follows: when the liquid level of the residual liquid exceeds the cleaning tank 5, the liquid level sensor sends information to the PLC controller, the PLC controller opens the injection valve 21 and the discharge valve 61, and starts the motor 4, injects nitrogen into the gas-liquid cyclone separator 1 through the injection valve 21, and the output shaft of the motor 4 drives one of the sprockets 7, and the other sprocket 7 is caused to rotate synchronously under the action of the chain 8, thereby causing the bearing 504 and the scraper 501 and impeller thereon to rotate, and the residual liquid in the cleaning tank 5 is released from the discharge pipe 6.

[0027] The above embodiments are only used to illustrate the technical ideas and features of the utility model, and are not intended to be the only or limit the utility model. Those skilled in the art should understand that various changes or equivalent replacements made to the utility model without departing from the scope of the utility model are within the scope of protection of the utility model.

Claims

1. A residual liquid automatic cleaning device, characterized in that: The device is arranged below the gas-liquid cyclone separator (1), and comprises a cleaning tank (5), a scraping component, a power component, a liquid level sensor, and a PLC controller; The gas-liquid cyclone separator (1) is arranged on a bracket (9), the cleaning tank (5) is arranged at the bottom of the gas-liquid cyclone separator (1), a discharge pipe (6) is arranged at an eccentric position at the bottom of the cleaning tank (5), the three are interconnected, and a discharge valve (61) is arranged on the discharge pipe (6); The scraping assembly is arranged in the cleaning tank (5), comprising a bearing (504) and a plurality of scrapers (501); the plurality of scrapers (501) are evenly arranged on the outer wall of the bearing (504); the outer edges of the scrapers (501) are closely attached to the inner wall of the cleaning tank (5); the bottom of the bearing (504) passes through the cleaning tank (5) and is connected to the power assembly; the power assembly is used to drive the bearing (504); The PLC controller is connected to the power assembly, the liquid level sensor and the discharge valve (61). The liquid level sensor is arranged inside the gas-liquid cyclone separator (1) and is used to detect the liquid level height of the residual liquid and send the information to the PLC controller. The PLC controller is used to start the power assembly and open the discharge valve (61).

2. The residual liquid automatic cleaning device according to claim 1, characterized in that: The scraping assembly also includes a sealing ring (502), the sealing ring (502) including a ring portion and a plurality of branches, the branches are arranged at the bottom of the corresponding scraper (501), and the ring portion is sleeved on the bearing (504).

3. The residual liquid automatic cleaning device according to claim 1, characterized in that: The power assembly comprises a motor (4), two sprocket wheels (7) and a chain (8); the motor (4) is arranged on a bracket (9) via a support plate; an output shaft of the motor (4) is connected to one of the sprocket wheels (7); the other sprocket wheel (7) is coaxially connected to a bearing (504); and the chain (8) is sleeved on the two sprocket wheels (7).

4. The residual liquid automatic cleaning device according to claim 1, characterized in that: The gas-liquid cyclone separator (1) comprises a cylindrical tank body (11) and an inverted frustum-shaped tank body (12) arranged at the bottom thereof, and a liquid level sensor is arranged inside the inverted frustum-shaped tank body (12).

5. The residual liquid automatic cleaning device according to claim 1, characterized in that: The gas-liquid cyclone separator (1) is provided with a nitrogen injection pipe (2), the nitrogen injection pipe (2) is provided with an injection valve (21), and the PLC controller is also connected to the injection valve (21).

6. The residual liquid automatic cleaning device according to claim 1, characterized in that: The scraper (501) is configured to be U-shaped, with the U-shaped opening facing the bearing (504).

7. The residual liquid automatic cleaning device according to claim 6, characterized in that: The bearing (504) is provided with an impeller for stirring the residual liquid.

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