Lithium battery recycling kiln

Abstract

The utility model provides a lithium battery recycling kiln, which relates to the technical field of lithium battery recycling, and comprises a recycling kiln, the top of the recycling kiln is connected with a smoke exhaust pipe, one end of the smoke exhaust pipe is connected with an outer pipeline, the side surface of the outer pipeline is connected with a communicating pipe, and one end of the communicating pipe is provided with a filter box. A suction fan is installed on the side face of the filter box, a filter screen and a filter element are installed in the filter box, the filter element is arranged on the side of the filter screen, and the suction fan is arranged on the side of the filter element. The suction fan works to generate suction force, generated smoke is sucked into the filter box through the communicating pipe, and the smoke is effectively filtered through the filter screen and the filter element in the filter box, so that impurities and dust in the smoke can be filtered out, emission of harmful substances is reduced, and harm of the harmful substances to operators is reduced; and meanwhile, pollution to the atmospheric environment is reduced, and sustainable development can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery recycling, in particular to a lithium battery recycling kiln. Background Art

[0002] Lithium battery recycling kiln is one of the equipment used in the pyrolysis and recycling process of lithium batteries. Lithium battery recycling kiln usually adopts high temperature pyrolysis method to heat the waste lithium batteries in a high temperature environment to achieve the decomposition of internal components of the battery and the recycling of materials. In the pyrolysis process, different heating methods can be used, such as resistance heating, high frequency induction heating or combustion heating.

[0003] Existing lithium battery recycling kilns produce a large amount of flue gas during the processing process. The flue gas contains a large amount of harmful substances, which can easily pollute the environment and affect the health of operators, thus causing problems that are not conducive to sustainable development. Utility Model Content

[0004] The purpose of the utility model is to solve the problem in the prior art that a large amount of smoke will be generated during the processing of lithium battery recovery kilns, and the smoke contains a large amount of harmful substances, which is easy to pollute the environment and affect the health of operators, thereby causing problems that are not conducive to sustainable development. A lithium battery recovery kiln is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a lithium battery recycling kiln, comprising a recycling kiln, the top of the recycling kiln is connected to a smoke exhaust pipe, one end of the smoke exhaust pipe is connected to an external pipe, the side of the external pipe is connected to a connecting pipe, one end of the connecting pipe is installed with a filter box, the side of the filter box is installed with a suction fan, the inside of the filter box is installed with a filter screen and a filter element, the filter element is arranged on the side of the filter screen, and the suction fan is arranged on the side of the filter element.

[0006] Preferably, a filter tube is installed inside the outer pipe, a mounting plate is installed at one end of the outer pipe, a plurality of U-shaped clips are distributed on the side of the mounting plate, and springs are symmetrically arranged on the inner side of the U-shaped clips.

[0007] Preferably, one end of the spring is connected to the side of the filter tube, and snap fasteners are symmetrically arranged on the outer side of the outer pipe.

[0008] Preferably, a clamping block is symmetrically arranged on the other side of the mounting plate, and one end of the clamping member is connected to the clamping block.

[0009] Preferably, slide rails are provided on both sides of the filter screen and the filter element, and the side surfaces of the slide rails are connected to the inner wall of the filter box.

[0010] Preferably, slide grooves are symmetrically installed on the sides of the filter box, and a sealing plate is movably installed inside the slide grooves.

[0011] Preferably, a support plate is installed at the bottom of the filter box, one end of the support plate is connected to the side of the recovery kiln, and a plurality of support columns are installed at the bottom of the recovery kiln.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. In the utility model, the suction force is generated by the suction fan, and the generated smoke is sucked into the filter box through the connecting pipe, and is effectively filtered by the filter screen and filter element inside the filter box, which is conducive to filtering out impurities and dust in the smoke, reducing the emission of harmful substances, reducing the harm of harmful substances to operators, and reducing pollution to the atmospheric environment, which is conducive to achieving sustainable development.

[0014] 2. In the utility model, the U-shaped clip on the side of the mounting plate is connected to the filter tube by moving the mounting plate, and the spring is used to limit the filter tube, thereby ensuring the stability of the filter tube. The snap fastener is then rotated to connect the snap fastener to the snap block, thereby further limiting the mounting plate, facilitating the maintenance and replacement of the filter tube, extending the service life of the equipment, reducing maintenance costs, and ensuring the smooth flow of the pipeline, thereby avoiding damage to the equipment caused by the accumulation of substances such as tar, and avoiding shutdowns caused by pipeline blockage, thereby improving processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A three-dimensional structural schematic diagram of a lithium battery recycling kiln is proposed for the utility model;

[0016] Figure 2 This is a schematic structural diagram of a lithium battery recycling kiln from another angle proposed by the utility model;

[0017] Figure 3 A schematic diagram of the decomposed structure of a filter assembly of a lithium battery recycling kiln is proposed for the utility model;

[0018] Figure 4 A schematic diagram of the structure of an installation assembly of a lithium battery recycling kiln is proposed for the utility model;

[0019] Figure 5 The utility model provides a schematic diagram of the internal structure of a smoke exhaust duct of a lithium battery recycling kiln.

[0020] Legend: 1. Recovery kiln; 2. Support column; 3. Smoke exhaust pipe; 4. External pipe; 5. Connecting pipe; 6. Filter box; 7. Suction fan; 8. Filter screen; 9. Filter element; 10. Slide rail; 11. Slide groove; 12. Sealing plate; 13. Support plate; 14. Mounting plate; 15. Snap block; 16. U-clip; 17. Spring; 18. Fastener; 19. Filter tube. DETAILED DESCRIPTION

[0021] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure. Example

[0023] like Figure 1-Figure 5 As shown, the utility model provides a technical solution: a lithium battery recycling kiln, comprising a recycling kiln 1, a smoke exhaust pipe 3 is connected to the top of the recycling kiln 1, one end of the smoke exhaust pipe 3 is connected to an external pipe 4, the side of the external pipe 4 is connected to a connecting pipe 5, one end of the connecting pipe 5 is installed with a filter box 6, the side of the filter box 6 is installed with a suction fan 7, the inside of the filter box 6 is installed with a filter screen 8 and a filter element 9, the filter element 9 is arranged on the side of the filter screen 8, the suction fan 7 is arranged on the side of the filter element 9, the filter screen 8 and the filter element 9 are provided with slide rails 10 on both sides, the side of the slide rail 10 is connected to the inner wall of the filter box 6, the side of the filter box 6 is symmetrically installed with slide grooves 11, and the inside of the slide groove 11 is movably installed with a sealing plate 12.

[0024] In this embodiment, the lithium battery is placed through the end portion of the recovery kiln 1. When the recovery kiln 1 is processed, the smoke generated by pyrolysis is discharged through the external pipe 4, and then the suction fan 7 is operated to generate suction, and the generated smoke is sucked into the filter box 6 through the connecting pipe 5, and is effectively filtered by the filter screen 8 and the filter element 9 inside the filter box 6, which is conducive to filtering out impurities and dust in the smoke, reducing the emission of harmful substances, reducing the harm of harmful substances to operators, and reducing pollution to the atmospheric environment, which is conducive to achieving sustainable development. By moving the filter screen 8 and the filter element 9 on the inner side of the slide rail 10 and moving the sealing plate 12 on the inner side of the slide groove 11, it is convenient to maintain and replace the filter screen 8 and the filter element 9, avoiding clogging of the filter screen 8 and the filter element 9, and extending the service life of the equipment. Example

[0025] like Figure 1-Figure 5As shown, a filter tube 19 is installed inside the outer pipe 4, a mounting plate 14 is installed at one end of the outer pipe 4, a plurality of U-shaped clips 16 are distributed on the side of the mounting plate 14, a spring 17 is symmetrically arranged on the inner side of the U-shaped clip 16, one end of the spring 17 is connected to the side of the filter tube 19, a clip 18 is symmetrically arranged on the outer side of the outer pipe 4, a clamping block 15 is symmetrically arranged on the other side of the mounting plate 14, one end of the clamp 18 is connected to the clamping block 15, a support plate 13 is installed at the bottom of the filter box 6, one end of the support plate 13 is connected to the side of the recovery kiln 1, and a plurality of support columns 2 are installed at the bottom of the recovery kiln 1.

[0026] In this embodiment, a filter tube 19 is provided inside the outer pipe 4, and the filter tube 19 is conducive to making the tar and the like in the exhaust gas remain inside the filter tube 19. When a large amount of tar and the like remain inside the filter tube 19, the snap fastener 18 is rotated to separate the snap fastener 18 from the snap-on block 15, and then the mounting plate 14 is moved outward to separate the mounting plate 14 from one end of the outer pipe 4, and then the filter tube 19 is maintained and replaced. When the maintenance and replacement is completed, the mounting plate 14 is moved so that the U-shaped clip on the side of the mounting plate 14 is 16 is connected to the filter tube 19, and the spring 17 is used to limit the filter tube 19, thereby ensuring the stability of the filter tube 19. Then, the buckle 18 is rotated to connect the buckle 18 with the clamping block 15, and the mounting plate 14 is further limited, which facilitates the maintenance and replacement of the filter tube 19, prolongs the service life of the equipment, reduces the maintenance cost, and is conducive to ensuring the smooth flow of the pipeline, avoiding the damage to the equipment caused by the accumulation of substances such as tar, and avoiding the shutdown caused by pipeline blockage, thereby improving the processing efficiency.

[0027] The working principle of this embodiment is as follows: when in use, firstly, the lithium battery is put into the end part of the recovery kiln 1, and the recovery kiln 1 processes the lithium battery, and the smoke generated by pyrolysis is discharged through the outer pipe 4, and then the suction fan 7 is operated to generate suction, and the generated smoke is sucked into the filter box 6 through the connecting pipe 5, and is effectively filtered by the filter screen 8 and the filter element 9 inside the filter box 6, which is conducive to filtering out impurities and dust in the smoke and reducing the emission of harmful substances. By moving the filter screen 8 and the filter element 9 on the inner side of the slide rail 10 and moving the sealing plate 12 on the inner side of the slide groove 11, it is convenient to maintain and replace the filter screen 8 and the filter element 9. When the filter tube 1 9, when there is a lot of tar and other substances remaining inside, the snap-fit ​​member 18 is separated from the snap-fit ​​block 15 by rotating the snap-fit ​​member 18, and then the mounting plate 14 is moved outward to separate the mounting plate 14 from one end of the outer pipe 4, and then the filter tube 19 is maintained and replaced. When the maintenance and replacement is completed, the mounting plate 14 is moved so that the U-shaped clip 16 on the side of the mounting plate 14 is connected to the filter tube 19, and the spring 17 is used to limit the filter tube 19, thereby ensuring the stability of the filter tube 19. Then, the snap-fit ​​member 18 is rotated so that the snap-fit ​​member 18 is connected to the snap-fit ​​block 15, and the mounting plate 14 is further limited, which facilitates the maintenance and replacement of the filter tube 19.

[0028] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A lithium battery recycling kiln, comprising a recycling kiln (1), characterized in that: The top of the recovery kiln (1) is connected to a smoke exhaust pipe (3), one end of the smoke exhaust pipe (3) is connected to an external pipe (4), the side of the external pipe (4) is connected to a connecting pipe (5), one end of the connecting pipe (5) is installed with a filter box (6), the side of the filter box (6) is installed with a suction fan (7), the inside of the filter box (6) is installed with a filter screen (8) and a filter element (9), the filter element (9) is arranged on the side of the filter screen (8), and the suction fan (7) is arranged on the side of the filter element (9).

2. The lithium battery recycling kiln according to claim 1, characterized in that: A filter tube (19) is installed inside the outer pipe (4), a mounting plate (14) is installed at one end of the outer pipe (4), a plurality of U-shaped clips (16) are distributed on the side of the mounting plate (14), and springs (17) are symmetrically arranged on the inner side of the U-shaped clips (16).

3. The lithium battery recycling kiln according to claim 2, characterized in that: One end of the spring (17) is connected to the side of the filter tube (19), and buckles (18) are symmetrically arranged on the outside of the outer pipe (4).

4. The lithium battery recycling kiln according to claim 3, characterized in that: A clamping block (15) is symmetrically arranged on the other side of the installation plate (14), and one end of the clamping member (18) is connected to the clamping block (15).

5. The lithium battery recycling kiln according to claim 1, characterized in that: Slide rails (10) are provided on both sides of the filter screen (8) and the filter element (9), and the side surfaces of the slide rails (10) are connected to the inner wall of the filter box (6).

6. The lithium battery recycling kiln according to claim 5, characterized in that: A slide groove (11) is symmetrically mounted on the side of the filter box (6), and a sealing plate (12) is movably mounted inside the slide groove (11).

7. The lithium battery recycling kiln according to claim 1, characterized in that: A support plate (13) is installed at the bottom of the filter box (6), one end of the support plate (13) is connected to the side of the recovery kiln (1), and a plurality of support columns (2) are installed at the bottom of the recovery kiln (1).

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