Lampblack collecting device for lithium ion battery diaphragm casting piece

By designing a lithium-ion battery separator casting oil fume collection device containing oil fume purification box and oil fume centrifugal separator, the problem of insufficient oil fume purification function in the existing device is solved, efficient oil removal and multiple filtration are achieved, and air quality and health and safety are significantly improved.

CN222829329UActive Publication Date: 2025-05-06湖北江升新材料有限公司
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Patent Information

Application Number
CN202421771208.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-24
Publication Date
2025-05-06
Estimated Expiration
2034-07-24

AI Technical Summary

Technical Problem

The existing lithium-ion battery separator casting oil fume collection device has poor function in oil fume purification, resulting in some oil fume and harmful gases remaining in the discharged gas, affecting the environment and health.

Method used

A lithium-ion battery separator casting oil fume collection device including an oil fume purification box and an oil fume centrifugal separator is designed. The oil barrier assembly and the oil fume centrifugal separator are de-oiled, and multiple filtration is used for use with a HEPA filter and an activated carbon filter mechanism to remove harmful substances and odors in the oil fume.

Benefits of technology

The device can efficiently remove oil and purify flue gas, avoiding the residual oil smoke and harmful gases in the gas discharged from the oil smoke collection device, and protecting the environment and health.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a lithium ion battery diaphragm casting piece oil fume collecting device, which relates to the field of oil fume collecting devices, and comprises an oil fume purifying box and an oil fume centrifugal separator, the left side of the oil fume purifying box is fixedly provided with an exhaust pipe, and the other end of the exhaust pipe is fixedly connected with an oil fume collecting hood. According to the lithium ion battery diaphragm casting piece oil smoke collecting device, through the arrangement of the oil blocking assembly and the oil smoke centrifugal separator, the device can conduct efficient oil removal treatment on oil smoke entering the oil smoke purifying box, and the oil blocking assembly captures large oil drops and particles through the collision and inertia effect; the oil fume centrifugal separator is used for further separating large particles and liquid in the oil fume through centrifugal force, and the purification assembly can perform multiple filtering treatment on the oil-removed smoke and harmful gas through the HEPA filter and the activated carbon filtering mechanism, so that harmful substances and peculiar smells in the oil fume are removed.
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Description

Technical Field

[0001] The utility model relates to the field of oil fume collecting devices, in particular to an oil fume collecting device for a lithium ion battery diaphragm casting sheet. Background Art

[0002] During the production process of lithium-ion battery separators, especially in the casting step, a certain amount of oil and volatile organic compounds will be produced. These fumes and gases will not only affect the air quality of the production environment, but may also have adverse effects on the health of workers. Therefore, workers will use fume collection devices to collect and treat the fumes and volatile organic compounds when casting lithium-ion battery separators.

[0003] However, the current lithium-ion battery diaphragm casting fume collection device still has some shortcomings. For example, the patent document with application number CN202220233531.5 discloses a lithium-ion battery diaphragm casting fume collection device. The device is provided with an exhaust end and a fume hood, so that the fume hood can extract the fume output from the die fume end under the action of negative pressure, and the pressure regulating valve is provided so that the suction force of the exhaust end can adapt to the treatment of fume with different flow rates. However, its fume purification function is poor, which leads to the fact that some fume and harmful gases are still easily retained in the gas discharged by the fume collection device, which is easy to cause irreversible interference to the surrounding environment and the health of the staff, and thus there are certain usage defects.

[0004] Therefore, it is urgent to improve this shortcoming. The utility model studies and improves the existing structural deficiencies and provides a lithium-ion battery diaphragm casting sheet oil fume collection device. Utility Model Content

[0005] The utility model aims to provide a lithium-ion battery diaphragm casting sheet oil fume collection device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lithium-ion battery diaphragm casting sheet oil fume collection device, comprising an oil fume purification box and an oil fume centrifugal separator, an exhaust pipe is fixedly installed on the left side of the oil fume purification box, and the other end of the exhaust pipe is fixedly connected to a smoke collecting hood, and an oil baffle assembly is slidably connected to the left inner surface of the oil fume purification box, and an air guide hood is arranged in parallel on the right side of the oil baffle assembly, and the outer surface of the air guide hood is fixedly connected to the inner surface of the oil fume purification box, the oil fume centrifugal separator is installed on the bottom inner surface of the oil fume purification box, and the purification assembly is slidably connected to the right inner surface of the oil fume purification box, and an oil storage box is fittedly installed on the left bottom of the oil fume purification box, and mounting strips are symmetrically installed on the left and right sides of the oil storage box, and fixing bolts are movably installed at equal distances on the bottom of the mounting strips.

[0007] Furthermore, the oil baffle assembly includes a supporting frame, an inclined oil baffle plate, a sealing strip, a handle and a first T-shaped slide bar, and the inclined oil baffle plate is fixedly installed at equal distances on the inner surface of the supporting frame, and a sealing strip is fixedly installed on the top of the supporting frame, and a handle is fixedly connected to the top of the sealing strip, and the first T-shaped slide bar is symmetrically installed on the front and rear sides of the supporting frame.

[0008] Furthermore, the outer side of the supporting frame is fixedly connected to the inner side of the first T-shaped slide bar, and the supporting frame forms a sliding structure with the oil fume purification box through the first T-shaped slide bar.

[0009] Furthermore, the purification component includes a HEPA filter, a second T-shaped slide bar, a sealing plate and an activated carbon filter mechanism, and the second T-shaped slide bar is symmetrically installed on the front and rear sides of the HEPA filter, and a sealing plate is fixedly installed on the top of the HEPA filter, and the outer surface of the sealing plate is snap-connected with the top inner surface of the oil fume purification box, and the activated carbon filter mechanism is fixedly installed on the left side of the HEPA filter.

[0010] Furthermore, the outer side of the HEPA filter is fixedly connected to the inner side of the second T-shaped slide bar, and the HEPA filter forms a sliding structure with the oil fume purification box through the second T-shaped slide bar.

[0011] Furthermore, the activated carbon filtering mechanism includes an activated carbon supporting box, a limiting groove, a protective net, a mounting plate and fastening bolts, and a limiting groove is opened on the left side of the activated carbon supporting box, and a protective net is snap-fitted and installed on the left inner surface of the activated carbon supporting box, and mounting plates are symmetrically installed on the front and rear sides of the protective net, and the internal threads of the mounting plate are connected with fastening bolts.

[0012] Furthermore, the outer dimensions of the mounting plate are completely consistent with the inner dimensions of the limiting groove, and the mounting plate forms a snap-fit ​​structure with the activated carbon carrying box through the limiting groove.

[0013] The utility model provides a lithium-ion battery diaphragm casting fume collection device, which has the following beneficial effects:

[0014] 1. The utility model provides an oil-blocking component and an oil fume centrifugal separator, so that the device can efficiently remove oil from the oil fume entering the oil fume purification box, wherein the oil-blocking component captures larger oil droplets and particles through collision and inertia, and the oil fume centrifugal separator further separates large particles and liquids in the oil fume through centrifugal force, and through the HEPA filter and activated carbon filter mechanism, the purification component can perform multiple filtering treatments on the oil-removed fume and harmful gases, so as to remove harmful substances and odors in the oil fume, thereby avoiding the situation where some oil fume and harmful gases still remain in the gas discharged by the oil fume collection device, causing irreversible damage to the surrounding environment and the health of the staff.

[0015] 2. The utility model provides a first T-shaped slide bar, so that the oil baffle assembly is convenient for the staff to quickly disassemble and assemble, thereby providing convenience for the staff to regularly clean the oil baffle assembly, and the second T-shaped slide bar is provided, so that the purification assembly is convenient for the staff to quickly disassemble and assemble, and at the same time, through the provision of the limit groove, the mounting plate and the fastening bolts, the protective net is convenient for the staff to quickly disassemble and assemble, thereby providing convenience for the staff to regularly clean the HEPA filter and replace the activated carbon in the activated carbon filter mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the front three-dimensional structure of a lithium-ion battery diaphragm casting sheet oil fume collection device of the utility model;

[0017] Figure 2 It is a front sectional perspective structural diagram of a lithium-ion battery diaphragm casting sheet oil fume collection device of the utility model;

[0018] Figure 3 It is a schematic diagram of the disassembled three-dimensional structure of an activated carbon carrier box-protective net of a lithium-ion battery diaphragm casting fume collection device of the utility model.

[0019] In the figure: 1. Oil fume purification box; 2. Exhaust pipe; 3. Fume hood; 4. Oil baffle assembly; 41. Carrying frame; 42. Inclined oil baffle plate; 43. Sealing strip; 44. Handle; 45. First T-shaped slide; 5. Air guide hood; 6. Oil fume centrifugal separator; 7. Purification assembly; 71. HEPA filter; 72. Second T-shaped slide; 73. Sealing plate; 74. Activated carbon filtering mechanism; 741. Activated carbon carrying box; 742. Limiting groove; 743. Protective net; 744. Mounting plate; 745. Fastening bolts; 8. Oil storage box; 9. Mounting strip; 10. Fixing bolts. DETAILED DESCRIPTION

[0020] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0021] like Figure 1 and Figure 2 As shown, a lithium-ion battery diaphragm casting fume collection device includes an oil fume purification box 1 and an oil fume centrifugal separator 6. An exhaust pipe 2 is fixedly installed on the left side of the oil fume purification box 1, and the other end of the exhaust pipe 2 is fixedly connected to a fume collecting hood 3, and an oil blocking component 4 is slidably connected to the inner surface of the left side of the oil fume purification box 1, and an air guide hood 5 is arranged in parallel on the right side of the oil blocking component 4, and the outer surface of the air guide hood 5 is fixedly connected to the inner surface of the oil fume purification box 1, the oil fume centrifugal separator 6 is installed on the bottom inner surface of the oil fume purification box 1, and a purification component 7 is slidably connected to the right inner surface of the oil fume purification box 1, and the purification component 7 includes a HEP A filter 71, a second T-shaped slide bar 72, a sealing plate 73 and an activated carbon filter mechanism 74, and the second T-shaped slide bar 72 is symmetrically installed on the front and rear sides of the HEPA filter 71, the outer side of the HEPA filter 71 is fixedly connected to the inner side of the second T-shaped slide bar 72, and the HEPA filter 71 forms a sliding structure with the oil fume purification box 1 through the second T-shaped slide bar 72. The HEPA filter 71 and the oil fume purification box 1 are set in a sliding structure, so that the purification component 7 is convenient for the staff to take out from the inside of the oil fume purification box 1 for cleaning, and the sealing plate 73 is fixedly installed on the top of the HEPA filter 71, and The outer surface of the sealing plate 73 is engaged with the inner surface of the top of the oil fume purification box 1, and an activated carbon filter mechanism 74 is fixedly installed on the left side of the HEPA filter 71. The activated carbon filter mechanism 74 includes an activated carbon carrier box 741, a limiting groove 742, a protective net 743, a mounting plate 744 and a fastening bolt 745. The left side of the activated carbon carrier box 741 is provided with a limiting groove 742, and the left inner surface of the activated carbon carrier box 741 is engaged with the protective net 743, and the mounting plates 744 are symmetrically installed on the front and rear sides of the protective net 743. The outer dimensions of the mounting plate 744 are consistent with the inner dimensions of the limiting groove 742. They fit perfectly, and the mounting plate 744 forms a snap-fit ​​structure with the activated carbon carrying box 741 through the limiting groove 742. By setting the mounting plate 744 and the activated carbon carrying box 741 as a snap-fit ​​structure, the protective net 743 is convenient for the staff to quickly disassemble and assemble, thereby providing convenience for the staff to replace the activated carbon in the activated carbon filter mechanism 74. At the same time, the internal thread of the mounting plate 744 is connected with a fastening bolt 745, and the oil storage box 8 is fittedly installed on the bottom left side of the oil fume purification box 1, and the mounting strips 9 are symmetrically installed on the left and right sides of the oil storage box 8, and the fixing bolts 10 are movably installed at equal distances on the bottom of the mounting strip 9.

[0022] like Figure 1-Figure 3As shown, an exhaust pipe 2 is fixedly installed on the left side of the oil fume purification box 1, and the other end of the exhaust pipe 2 is fixedly connected to the fume hood 3, and the inner surface of the left side of the oil fume purification box 1 is slidably connected to an oil baffle assembly 4, the oil baffle assembly 4 includes a supporting frame 41, an inclined oil baffle plate 42, a sealing strip 43, a handle 44 and a first T-shaped slide 45, and the inner surface of the supporting frame 41 is fixedly installed with an inclined oil baffle plate 42 at an equal distance, and a sealing strip 43 is fixedly installed on the top of the supporting frame 41, and the top of the sealing strip 43 is fixedly connected to the handle 44, and at the same time, the first T-shaped slide 45 is symmetrically installed on the front and rear sides of the supporting frame 41. The outer side of the oil baffle assembly 4 is fixedly connected to the inner side of the first T-shaped slide bar 45, and the supporting frame 41 forms a sliding structure with the oil fume purification box 1 through the first T-shaped slide bar 45. By setting the supporting frame 41 and the oil fume purification box 1 as a sliding structure, the oil baffle assembly 4 is convenient for the staff to quickly disassemble and assemble, thereby providing convenience for the staff to deeply clean the oil baffle assembly 4, and an air guide hood 5 is arranged in parallel on the right side of the oil baffle assembly 4, and the outer surface of the air guide hood 5 is fixedly connected to the inner surface of the oil fume purification box 1, the oil fume centrifuge 6 is installed on the bottom inner surface of the oil fume purification box 1, and the right inner surface of the oil fume purification box 1 is slidably connected with the purification assembly 7.

[0023] In summary, the lithium-ion battery diaphragm casting fume collection device is firstly based on Figures 1 to 3 , the staff pours the activated carbon into the activated carbon carrier box 741, and then completes the preliminary installation of the protective net 743 by inserting the mounting plate 744 into the limiting groove 742, and then fixes the mounting plate 744 and the activated carbon carrier box 741 by rotating the fastening bolts 745, so as to complete the rapid installation of the protective net 743, and then the staff installs the HEPA filter 71 into the interior of the oil fume purification box 1 by sliding the second T-shaped slide 72, so as to complete the rapid installation of the purification component 7, at this time, the outer surface of the sealing plate 73 is completely engaged with the top inner surface of the oil fume purification box 1, and then the staff installs the oil retaining component 4 by sliding the first T-shaped slide 45. The interior of the oil fume purification box 1 is entered. When the oil fume collection device is in operation, the oil fume and harmful substances generated in the lithium-ion battery diaphragm casting step are transported into the interior of the oil fume purification box 1 through the cooperation of the exhaust pipe 2 and the smoke collecting hood 3. At this time, the preliminary oil filtering treatment is carried out through the cooperation of the inclined oil baffle 42, and then the oil fume after the initial filtration is transported into the interior of the oil fume centrifuge 6 through the cooperation of the air guide hood 5 and the duct. Then, the liquid in the oil fume is further removed through the operation of the oil fume centrifuge 6. At this time, the filtered oil and large particles of impurities automatically fall into the interior of the oil storage box 8 and are collected, and the oil-removed smoke is further purified and deodorized through the purification component 7, so as to complete the overall oil fume purification work of the device.

[0024] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A lithium-ion battery diaphragm casting fume collection device, comprising an oil fume purification box (1) and an oil fume centrifugal separator (6), characterized in that: An exhaust pipe (2) is fixedly installed on the left side of the oil fume purification box (1), and the other end of the exhaust pipe (2) is fixedly connected to a fume collecting hood (3), and an oil baffle assembly (4) is slidably connected to the inner surface of the left side of the oil fume purification box (1), and an air guide hood (5) is arranged in parallel on the right side of the oil baffle assembly (4), and the outer surface of the air guide hood (5) is fixedly connected to the inner surface of the oil fume purification box (1), the oil fume centrifugal separator (6) is installed on the inner surface of the bottom of the oil fume purification box (1), and a purification assembly (7) is slidably connected to the inner surface of the right side of the oil fume purification box (1), and an oil storage box (8) is fitted on the bottom of the left side of the oil fume purification box (1), and mounting strips (9) are symmetrically installed on the left and right sides of the oil storage box (8), and fixing bolts (10) are movably installed at equal distances at the bottom of the mounting strip (9).

2. The lithium-ion battery diaphragm casting fume collection device according to claim 1, characterized in that: The oil baffle assembly (4) comprises a carrying frame (41), an inclined oil baffle plate (42), a sealing strip (43), a handle (44) and a first T-shaped slide bar (45), and the inclined oil baffle plate (42) is fixedly installed at an equal distance on the inner surface of the carrying frame (41), and the sealing strip (43) is fixedly installed on the top of the carrying frame (41), and the top of the sealing strip (43) is fixedly connected to the handle (44), and the first T-shaped slide bar (45) is symmetrically installed on the front and rear sides of the carrying frame (41).

3. The oil fume collection device for lithium-ion battery diaphragm casting sheet according to claim 2, characterized in that: The outer side of the supporting frame (41) is fixedly connected to the inner side of the first T-shaped slide bar (45), and the supporting frame (41) forms a sliding structure with the oil fume purification box (1) through the first T-shaped slide bar (45).

4. The lithium-ion battery diaphragm casting fume collection device according to claim 1, characterized in that: The purification component (7) comprises a HEPA filter (71), a second T-shaped slide bar (72), a sealing plate (73) and an activated carbon filter mechanism (74), and the second T-shaped slide bars (72) are symmetrically installed on the front and rear sides of the HEPA filter (71), and the sealing plate (73) is fixedly installed on the top of the HEPA filter (71), and the outer surface of the sealing plate (73) is snap-connected with the inner surface of the top of the oil fume purification box (1), and the activated carbon filter mechanism (74) is fixedly installed on the left side of the HEPA filter (71).

5. The lithium-ion battery diaphragm casting fume collection device according to claim 4, characterized in that: The outer side of the HEPA filter (71) is fixedly connected to the inner side of the second T-shaped slide bar (72), and the HEPA filter (71) forms a sliding structure with the oil fume purification box (1) through the second T-shaped slide bar (72).

6. The lithium-ion battery diaphragm casting fume collection device according to claim 4, characterized in that: The activated carbon filtering mechanism (74) comprises an activated carbon carrying box (741), a limiting groove (742), a protective net (743), a mounting plate (744) and a fastening bolt (745), wherein the limiting groove (742) is provided on the left side of the activated carbon carrying box (741), and the protective net (743) is mounted on the inner surface of the left side of the activated carbon carrying box (741), and the mounting plates (744) are symmetrically mounted on the front and rear sides of the protective net (743), and the internal threads of the mounting plates (744) are connected to the fastening bolts (745).

7. A lithium-ion battery diaphragm casting fume collection device according to claim 6, characterized in that: The external dimensions of the mounting plate (744) are completely consistent with the internal dimensions of the limiting groove (742), and the mounting plate (744) forms a snap-fit ​​structure with the activated carbon carrying box (741) via the limiting groove (742).

Citation Information

Patent Citations

  • Lampblack collecting device for lithium ion battery diaphragm casting piece

    CN216928852U