Online flushing device for extraction liquid scraping bar

Abstract

The utility model discloses an online flushing device for an extraction liquid scraping bar, which is characterized in that a bar seat comprises an inner cavity and is connected to one side of a flushing structure; the flushing structure comprises an upper cavity and a lower cavity, the upper cavity is located above the lower cavity, the inner cavity is located on the horizontal side of the separation face of the upper cavity and the lower cavity, and the winding bar is installed in the inner cavity. The upper cavity is communicated with the inner cavity, and the inner cavity is communicated with the lower cavity; the upper cavity comprises an upper cavity liquid inlet, and a lower cavity liquid outlet is formed in the bottom of the lower cavity; the first container, the liquid inlet pump, the liquid inlet pipe and the upper cavity liquid inlet are connected in sequence; and the lower cavity liquid outlet, the main liquid return pipe and the second container are connected in sequence. During cleaning, the liquid inlet pump pumps cleaning liquid from the first container, the cleaning liquid is pumped into the upper cavity through the liquid inlet of the upper cavity, the cleaning liquid enters the inner cavity through the upper cavity and then flows into the lower cavity from the inner cavity, and the winding bar is arranged in the inner cavity, so that the winding bar is flushed when the cleaning liquid flows through the inner cavity; the washing liquid after washing enters the lower cavity and is discharged to the second container through the liquid outlet of the lower cavity to be collected.

Description

Technical Field

[0001] This utility model relates to the field of wet-process lithium battery separator production technology, and more specifically, to an online rinsing device for an extraction scraper bar. Background Technology

[0002] In the wet-process lithium battery separator production, extraction is a crucial and essential step. Dichloromethane extractant is used to extract the white oil from the separator, creating interconnected micropores. After extraction, when the separator exits the extractant and enters subsequent equipment, a large amount of extractant adheres to its surface. Existing bar scraping structures primarily use a motor-driven bar to rotate forward and scrape off the dichloromethane liquid from the separator surface, without any online bar rinsing device. After a period of use, foreign matter on the bar surface and inside the bar holder can be transferred to the separator during the moment of contact between the bar and the separator, ultimately affecting the appearance and quality of the separator.

[0003] Therefore, how to provide a device that can clean bar wires online has become a technical problem that urgently needs to be solved in this field. Utility Model Content

[0004] The purpose of this invention is to provide a device capable of cleaning wire rods online.

[0005] This utility model provides an online rinsing device for extraction scraping rods, including a rod and a rod holder for mounting the rod;

[0006] The device also includes: a flushing structure, an inlet pump, an inlet pipe, a main return pipe, a first container, and a second container;

[0007] The bar holder includes an inner cavity and is connected to one side of the flushing structure. The flushing structure includes an upper cavity and a lower cavity. The upper cavity is located above the lower cavity, and the inner cavity is located on the horizontal side of the dividing surface between the upper and lower cavities. The bar is installed in the inner cavity. The upper cavity is connected to the inner cavity, and the inner cavity is connected to the lower cavity. The upper cavity includes an upper cavity inlet, and the lower cavity has a lower cavity outlet at the bottom.

[0008] The first container, the inlet pump, the inlet pipe, and the upper chamber inlet are connected in sequence; the lower chamber outlet, the main return pipe, and the second container are connected in sequence.

[0009] Optionally, an upper cavity drain port is provided at the bottom of the upper cavity, and an upper cavity drain pipe is connected to the upper cavity drain port. The upper cavity drain pipe passes through the lower cavity and extends to the outside of the bottom of the lower cavity.

[0010] Optionally, the upper cavity drain pipe is connected to the second container.

[0011] Optionally, the upper cavity is provided with a liquid inlet buffer structure, the liquid inlet of the upper cavity is connected to the liquid inlet buffer structure, and the liquid inlet buffer structure is connected to the upper cavity;

[0012] Liquid entering through the upper cavity inlet can flow into the upper cavity after being pressure-equalized and buffered by the inlet buffer structure.

[0013] Optionally, the liquid inlet buffer structure includes a liquid inlet buffer pipe, and the pipe wall of the liquid inlet buffer pipe has multiple pressure equalization holes.

[0014] Optionally, a row of pressure equalization holes is evenly opened on one side of the inlet buffer pipe.

[0015] Optionally, a row of liquid inlet communication holes is respectively opened on the wall of the upper cavity and the wall of the inner cavity to connect the upper cavity and the inner cavity;

[0016] A discharge port is provided on the wall of the lower cavity and the wall of the inner cavity respectively to connect the lower cavity and the inner cavity;

[0017] The inlet and outlet ports are staggered.

[0018] Optionally, the liquid inlet communication holes disposed opposite to each other on the upper cavity and the inner cavity are sealed by a closed O-ring sealing strip;

[0019] The liquid outlet communication holes on the lower cavity and the inner cavity are sealed by a closed O-ring seal.

[0020] Optionally, the flushing structure includes a fixed beam, the fixed beam includes a fixed beam chamber, and a partition is horizontally arranged in the fixed beam chamber, the partition dividing the fixed beam chamber into an upper chamber and a lower chamber;

[0021] The bar seat is fixed to one side of the fixed beam.

[0022] Optionally, the device also includes a sliding seat, on which the fixed beam is slidably mounted.

[0023] Based on the technical content disclosed in this utility model, the following beneficial effects are achieved:

[0024] The online rinsing device for extraction scraping rods provided by this utility model can realize online cleaning of the rods. During cleaning, the inlet pump draws cleaning liquid from the first container and pumps it into the upper chamber through the inlet of the upper chamber. The cleaning liquid enters the inner chamber through the upper chamber and then flows into the lower chamber from the inner chamber. Since the rods are set in the inner chamber, the cleaning liquid completes the rinsing of the rods during the flow of the inner chamber. The rinsed cleaning liquid enters the lower chamber and is discharged from the outlet of the lower chamber to the second container for collection.

[0025] Other features and advantages of the present invention will become clear from the following detailed description of exemplary embodiments of the present invention with reference to the accompanying drawings. Attached Figure Description

[0026] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments of the present invention and, together with their description, serve to explain the principles of the present invention.

[0027] Figure 1 This is a structural diagram of the online rinsing device for the extraction scraper bar of this utility model.

[0028] Figure 2 This is a schematic diagram of the flushing structure, the bar holder, and the bar installation of this utility model.

[0029] Explanation of reference numerals in the attached drawings: 1. Union elbow; 2. Upper chamber; 3. Exhaust valve; 4. Inlet buffer pipe; 6. Pressure plate; 7. Wire rod seat; 8. Inlet pump; 9. Wire rod; 10. Sliding seat; 11. Lower chamber; 12. Lower chamber outlet; 13. Upper chamber drain pipe; 14. Baffle; 15. First container; 16. Second container; 17. Diaphragm; Q1. First inlet pipe valve; Q2. Second inlet pipe valve; Q3. First return pipe valve; Q4. Second return pipe valve. Detailed Implementation

[0030] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that, unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps set forth in these embodiments do not limit the scope of the present invention.

[0031] The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the invention or its application or use.

[0032] Techniques, methods, and equipment known to those skilled in the art may not be discussed in detail, but where appropriate, they should be considered part of the specification.

[0033] In all the examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values.

[0034] It should be noted that similar labels and letters in the following figures indicate similar items; therefore, once an item is defined in one figure, it does not need to be discussed further in subsequent figures.

[0035] See Figure 1 and Figure 2This utility model discloses an online rinsing device for extraction scraping rods, including a rod 9 and a rod seat 7 for mounting the rod 9, as well as a rinsing structure, an inlet pump 8, an inlet pipe, a lower chamber return pipe, an upper chamber return pipe, a main return pipe, a sliding seat 10, a first container 15, and a second container 16. The rod 9 is used to scrape off dichloromethane liquid from the surface of the diaphragm 17. The rod seat 7 includes an inner cavity and is connected to one side of the rinsing structure. The rinsing structure includes a fixed beam, which is slidably mounted on the sliding seat 10. The rod seat 7 is fixed to one side of the fixed beam. The rod 9 is clamped onto the rod seat 7, and the rod seat 7 is fixed to the fixed beam by a pressure plate 6. One end of the lower chamber outlet 12 is fixed to the lower chamber 11, and the other end is connected to the lower chamber return pipe (one section of the lower chamber return pipe is a flexible metal hose). The entire online rinsing device is fixed to the guide grooves on both sides of the extraction tank via the sliding seat 10 and can move back and forth. The fixed beam includes a fixed beam chamber, in which a partition 14 is horizontally arranged, dividing the fixed beam chamber into an upper chamber 2 and a lower chamber 11; the upper chamber 2 is located above the lower chamber 11, and the inner cavity is located on the horizontal side of the dividing surface between the upper chamber 2 and the lower chamber 11, that is, the inner cavity is located on the horizontal side of the partition 14. A wire rod 9 is installed in the inner cavity; combined with... Figure 2 The arrows in the diagram indicate the flow of the cleaning fluid. The upper cavity 2 is connected to the inner cavity, and the inner cavity is connected to the lower cavity 11. The upper cavity 2 includes an upper cavity inlet connected to a flexible elbow 1. The lower cavity 11 has a lower cavity outlet 12 at its bottom. An upper cavity drain outlet is located at the bottom of the upper cavity 2, connected to an upper cavity drain pipe 13. The upper cavity drain pipe 13 passes through the lower cavity 11 and extends to the outside of the bottom of the lower cavity 11. The first container 15, the inlet pump 8, the inlet pipe, and the flexible elbow 1 at the upper cavity inlet are connected in sequence. The lower cavity outlet 12, the lower cavity return pipe, the main return pipe, and the second container 16 are connected in sequence. The upper cavity drain pipe 13, the upper cavity return pipe, and the main return pipe are connected to the second container.

[0036] The specific structure connecting the upper cavity 2 and the inner cavity is as follows: A row of liquid inlet holes is correspondingly provided on the walls of the upper cavity 2 and the inner cavity to connect the upper cavity 2 and the inner cavity; the liquid inlet holes on the upper cavity 2 and the inner cavity are sealed by a closed O-ring seal. The specific structure connecting the inner cavity and the lower cavity 11 is as follows: A drain outlet hole is correspondingly provided on the walls of the lower cavity 11 and the inner cavity to connect the lower cavity 11 and the inner cavity; the drain outlet holes on the lower cavity 11 and the inner cavity are sealed by a closed O-ring seal. The liquid inlet holes and drain outlet holes are staggered.

[0037] Furthermore, the upper cavity 2 is equipped with a liquid inlet buffer structure, which includes a liquid inlet buffer pipe 4. Multiple pressure equalization holes are formed on the wall of the liquid inlet buffer pipe 4; specifically, a row of pressure equalization holes with a diameter of 10mm is evenly formed on one side of the pipe wall of the liquid inlet buffer pipe 4. The upper cavity inlet is connected to the liquid inlet buffer pipe 4, and the pressure equalization holes of the liquid inlet buffer pipe 4 are connected to the upper cavity 2. After the cleaning fluid enters the liquid inlet buffer pipe 4 from the upper cavity inlet, it flows into the upper cavity 2 after being pressure equalized and buffered by the pressure equalization holes.

[0038] Working process: A large flow of fresh extractant enters the inlet buffer pipe 4 through the union elbow 1 for primary pressure equalization. The liquid flowing into the upper chamber 2 undergoes secondary pressure equalization. Once the liquid reaches a certain level, it flows into the inner cavity of the bar holder 7. The large flow of fresh extractant flushes the inner cavity of the bar holder 7 and the surface of the bar 9, removing foreign matter. The flushed liquid is discharged from the outlet connecting hole into the lower chamber 11 and then through the lower chamber return pipe to the second container 16 for reuse. The liquid flow direction is as follows... Figure 2 As indicated by the red arrow in the middle.

[0039] Combination Figure 1 This utility model discloses an online flushing device for extraction scraping rods, comprising two flushing structures and two rod seats 7 arranged in parallel. The return liquid pipes of the lower chambers of the two flushing structures converge into the return liquid branch pipe of the lower chamber and then flow into the main return liquid pipe. The return liquid pipes of the upper chambers of the two flushing structures converge into the return liquid branch pipe of the upper chamber and then flow into the main return liquid pipe. A first return liquid pipe valve Q3 is provided on the return liquid branch pipe of the lower chamber, and a second return liquid pipe valve Q4 is provided on the return liquid branch pipe of the upper chamber. The outlet section of the inlet pipe is connected in parallel with a first inlet branch pipe and a second inlet branch pipe. The first inlet branch pipe and the second inlet branch pipe are respectively connected to two union elbows 1. A first inlet pipe valve Q1 is provided on the first inlet branch pipe, and a second inlet pipe valve Q2 is provided on the second inlet branch pipe.

[0040] The rinsing function control includes: first, closing the second return pipe valve Q4, opening the first inlet pipe valve Q1 and the second inlet pipe valve Q2, opening the first return pipe valve Q3, and turning on the inlet pump 8. The new extract in the first container 15 enters the upper cavity 2 and the inner cavity of the two rinsing structures and the bar seat 7 through the inlet pipe, the first inlet branch pipe, and the second inlet branch pipe for rinsing. The rinsed liquid enters the lower cavity 11 and flows through the lower cavity return pipe to the lower cavity return branch pipe, then flows into the main return pipe and is discharged into the second container 16 for recovery.

[0041] Liquid storage function control: First, close the second return pipe valve Q4 and the first return pipe valve Q3, open the first inlet pipe valve Q1 and the second inlet pipe valve Q2, and turn on the inlet pump 8. The new extract in the first container 15 enters the upper chamber 2, the inner chamber and the lower chamber 11 in sequence through the inlet pipe and the first inlet branch pipe and the second inlet branch pipe. When the chamber is full of liquid, it will seep out from the exhaust valve 3 at the top of the upper chamber 2. At this time, turn off the inlet pump 8. At this time, the chamber is full of liquid, which can provide lubrication for the bar.

[0042] In summary, the online rinsing device for extraction scraping rods provided by this utility model effectively rinses foreign matter from the rods and the inner cavity of the rod holder. A large flow of fresh extract enters the upper cavity through the inlet pipe, and after buffering and equalization, it enters the inner cavity of the rod holder to rinse the surface of the rods and the inner cavity of the rod holder to remove foreign matter. After rinsing with the large flow of fresh extract, the foreign matter in the rods and the inner cavity of the rod holder will be recycled along with the extract into the recovery device. After rinsing, the washed-off foreign matter will not re-adhere to the membrane surface and will not affect the appearance and quality of the diaphragm. Online rinsing of the rods eliminates the need for draining and disassembling the rods, saving time and effort and improving production efficiency.

[0043] Although specific embodiments of the present invention have been described in detail by way of examples, those skilled in the art should understand that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Those skilled in the art should understand that modifications can be made to the above embodiments without departing from the scope and spirit of the present invention. The scope of the present invention is defined by the appended claims.

Claims

1. An online rinsing device for an extraction scraper bar, comprising a scraper bar and a bar holder for mounting the scraper bar, characterized in that: The device also includes: a flushing structure, an inlet pump, an inlet pipe, a main return pipe, a first container, and a second container; The bar holder includes an inner cavity, and the bar holder is connected to one side of the flushing structure; the flushing structure includes an upper cavity and a lower cavity, the upper cavity is located above the lower cavity, the inner cavity is located on the horizontal side of the dividing surface between the upper cavity and the lower cavity, and the bar is installed in the inner cavity; the upper cavity communicates with the inner cavity, and the inner cavity communicates with the lower cavity; the upper cavity includes an upper cavity inlet, and the bottom of the lower cavity is provided with a lower cavity outlet; The first container, the inlet pump, the inlet pipe, and the upper chamber inlet are connected in sequence; the lower chamber outlet, the main return pipe, and the second container are connected in sequence.

2. The online rinsing device for the extraction scraper bar according to claim 1, characterized in that: The upper cavity has an upper cavity drain port at the bottom, and the upper cavity drain port is connected to an upper cavity drain pipe. The upper cavity drain pipe passes through the lower cavity and extends to the outside of the bottom of the lower cavity.

3. The online rinsing device for the extraction scraper bar according to claim 2, characterized in that: The upper cavity drain pipe is connected to the second container.

4. The online rinsing device for the extraction scraper bar according to any one of claims 1 to 3, characterized in that: The upper cavity is provided with a liquid inlet buffer structure, the liquid inlet of the upper cavity is connected to the liquid inlet buffer structure, and the liquid inlet buffer structure is connected to the upper cavity; Liquid entering through the upper cavity inlet can flow into the upper cavity after being pressure-equalized and buffered by the liquid inlet buffer structure.

5. The online rinsing device for the extraction scraper bar according to claim 4, characterized in that: The liquid inlet buffer structure includes a liquid inlet buffer pipe, and the pipe wall of the liquid inlet buffer pipe has multiple pressure equalization holes.

6. The online rinsing device for the extraction scraper bar according to claim 5, characterized in that: A row of pressure equalization holes is evenly opened on one side of the inlet buffer pipe.

7. The online rinsing device for the extraction scraper bar according to any one of claims 1 to 3, characterized in that: The upper cavity wall and the inner cavity wall are respectively provided with a row of liquid inlet communication holes for connecting the upper cavity and the inner cavity; The lower cavity wall and the inner cavity wall are respectively provided with a discharge communication hole for connecting the lower cavity and the inner cavity; The liquid inlet and liquid outlet are arranged in a staggered manner.

8. The online rinsing device for the extraction scraper bar according to claim 7, characterized in that: The upper cavity and the inner cavity are sealed by a closed O-ring seal strip; The lower cavity and the liquid outlet communication hole on the inner cavity are sealed by a closed O-ring sealing strip.

9. The online rinsing device for the extraction scraper bar according to any one of claims 1 to 3, characterized in that: The flushing structure includes a fixed beam, the fixed beam includes a fixed beam chamber, and a partition is horizontally arranged in the fixed beam chamber, the partition dividing the fixed beam chamber into an upper chamber and a lower chamber; The bar seat is fixed to one side of the fixed beam.

10. The online rinsing device for the extraction scraper bar according to claim 9, characterized in that: The device also includes a sliding seat, on which the fixed beam is slidably mounted.

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