A waste gas treatment device in a lithium battery recycling process

Abstract

The utility model relates to lithium battery recycling technical field especially relates to a kind of waste gas treatment device in lithium battery recycling process, including filter device and the spraying device connected with filter device;The filter device includes filter box body, air inlet pipe is equipped in the left side of filter box body, its right side is equipped with exhaust pipe, and several filter modules are equipped in the inside of filter box body, and the filter module includes filter screen plate, and filter screen plate is detachably inserted in the inside of filter box body.The waste gas treatment device in the lithium battery recycling process of the utility model can clean dust on filter screen plate, improve filtration effect.

Description

Technical Field

[0001] This utility model relates to the field of lithium battery recycling technology, and in particular to a waste gas treatment device in the lithium battery recycling process. Background Technology

[0002] Lithium battery recycling refers to the environmentally friendly industry of recycling and reusing waste lithium batteries, mainly including two methods: cascade utilization and dismantling and recycling. During the recycling process, steps such as high-temperature pyrolysis produce a large amount of waste gas, which must be treated before being released. Existing waste gas treatment devices suffer from problems such as dust and other contaminants adhering to the filter screens after a period of operation, reducing filtration efficiency and making filter screen replacement difficult. Utility Model Content

[0003] The purpose of this utility model is to provide a waste gas treatment device in the lithium battery recycling process, which can clean the dust on the filter screen and improve the filtration effect.

[0004] To achieve the above objectives, the technical solution of this utility model is as follows:

[0005] A waste gas treatment device for lithium battery recycling process includes a filtration device and a spray device connected to the filtration device.

[0006] The filtration device includes a filter box, an air inlet pipe on the left side of the filter box, an exhaust pipe on the right side, and a number of filter modules inside the filter box. Each filter module includes a filter screen, which is detachably inserted into the filter box.

[0007] A cleaning module is provided on the left side of the filter module. The cleaning module includes a cleaning cylinder, which is vertically downward and set on the top of the filter box. A cleaning scraper is fixed on the piston rod of the cleaning cylinder and is set at an angle. The right side of the cleaning scraper abuts against the filter baffle.

[0008] As an improvement, a groove is provided on the cleaning scraper.

[0009] As an improvement: the bottom of the filter screen is inserted into the first limiting groove, and the top of the screen is provided with a docking plate. A second limiting groove is provided at the top of the filter box opposite to the docking plate. The docking plate can be fixed inside the second limiting groove by several nuts.

[0010] As an improvement: several ash-receiving funnels adapted to the filter module are provided at the bottom of the filter box, and an ash discharge pipe is provided at the bottom of the ash-receiving funnel. An electric valve is provided on the ash discharge pipe, and a screw conveyor is connected to the bottom of the ash discharge pipe.

[0011] As an improvement, an air pump is installed on the air intake pipe, and a spray device is connected to the input end of the exhaust pipe.

[0012] As an improvement: the spraying device includes a spraying box, an air outlet pipe is provided at the top of the spraying box, a drain pipe is provided at the bottom of the spraying box, and an air pump is provided on the air outlet pipe;

[0013] The spray box is equipped with several partition plates, and a receiving mesh plate is provided below the partition plates. The space between the receiving mesh plate and the partition plates is filled with a polymer organic filler.

[0014] Several staggered exhaust holes are provided on the partition plate, and an annular spray pipe is provided above the partition plate. Several atomizing spray heads are provided below the annular spray pipe. The annular spray pipe is connected to an external spray pump through an infusion pipe.

[0015] In summary, this utility model has the following beneficial effects:

[0016] 1. After the filter screen has been filtering for a period of time, the cleaning cylinder can be activated to drive the cleaning scraper to move back and forth on the filter screen to scrape off the dust and other debris stuck to its sides, thereby improving the filtration effect.

[0017] 2. The filter screen can be detachably fixed inside the second limiting groove by several nuts, which facilitates timely replacement and cleaning;

[0018] 3. The ash receiving funnel can collect the filtered dust and other particles, and discharge them through the ash discharge pipe into the screw conveyor, which then transports them to the designated collection location. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in this utility model, the accompanying drawings used in the description of the embodiments or prior art will be briefly introduced below.

[0020] Figure 1 This is a schematic diagram of the overall structure of a waste gas treatment device in the lithium battery recycling process.

[0021] Figure 2 This is a schematic cross-sectional view of a waste gas treatment device used in the lithium battery recycling process.

[0022] The components include: 1. Filter box; 2. Air inlet pipe; 3. Exhaust pipe; 4. Filter screen; 5. Cleaning cylinder; 6. Cleaning scraper; 7. Through groove; 8. First limiting groove; 9. Connecting plate; 10. Second limiting groove; 11. Ash receiving funnel; 12. Ash discharge pipe; 13. Electric valve; 14. Screw conveyor; 15. Air inlet pump; 16. Spray box; 17. Air outlet pipe; 18. Liquid discharge pipe; 19. Air outlet pump; 20. Divider plate; 21. Receiving screen; 22. Exhaust hole; 23. Annular spray pipe; 24. Atomizing spray head; 25. Liquid delivery pipe. Detailed Implementation

[0023] The present invention will now be described in further detail with reference to the accompanying drawings.

[0024] Please refer to Figures 1-2 A waste gas treatment device for lithium battery recycling process includes a filtration device and a spray device connected to the filtration device.

[0025] The filtration device includes a filter box 1, an air inlet pipe 2 on the left side of the filter box 1, an exhaust pipe 3 on the right side, and several filter modules inside the filter box 1. Each filter module includes a filter screen 4, which is detachably inserted into the filter box 1.

[0026] A cleaning module is located on the left side of the filter module. The cleaning module includes a cleaning cylinder 5, which is vertically downward mounted on the top of the filter housing 1. A cleaning scraper 6, which is inclined, is fixed to the piston rod of the cleaning cylinder 5, and the right side of the cleaning scraper 6 abuts against the filter baffle. In this embodiment, after the filter screen 4 has been filtering for a period of time, the cleaning cylinder 5 can be activated to drive the cleaning scraper 6 to move back and forth on the filter screen 4 to scrape off the dust and other debris adhering to its sides, thereby improving the filtration effect.

[0027] A groove 7 is provided on the cleaning scraper 6. In this embodiment, the cleaning scraper 6 is set at an angle, and the scraped dust and other debris can quickly fall into the dust collection funnel 11 through the groove 7.

[0028] The bottom of the filter screen 4 is inserted into the first limiting groove 8, and the top of it is provided with a connecting plate 9. A second limiting groove 10 is provided at the top of the filter box opposite to the connecting plate 9. The connecting plate 9 can be fixed inside the second limiting groove 10 by several nuts. In this embodiment, the bottom of the filter screen 4 is inserted into the first limiting groove 8, and the connecting plate 9 at the top can be detachably fixed inside the second limiting groove 10 by several nuts, thereby facilitating timely replacement and cleaning.

[0029] Several dust collection funnels 11 adapted to the filter module are provided at the bottom of the filter box. A dust discharge pipe 12 is provided at the bottom of each dust collection funnel 11, and an electric valve 13 is installed on the dust discharge pipe 12. A screw conveyor 14 is connected to the bottom of the dust discharge pipe 12. In this embodiment, the dust collection funnels 11 can collect the filtered dust and other particles, and discharge them through the dust discharge pipe 12 into the screw conveyor 14, where they are transported to a designated collection location.

[0030] An air intake pump 15 is provided on the air intake pipe 2, and the input end of the exhaust pipe 3 is connected to the spray device. The spray device includes a spray box 16, an air outlet pipe 17 is provided at the top of the spray box 16, a drain pipe 18 is provided at the bottom of the spray box 16, and an air outlet pump 19 is provided on the air outlet pipe 17.

[0031] Several partition plates 20 are provided inside the spray box 16. A receiving mesh plate 21 is provided below the partition plates 20. High molecular organic filler is filled between the receiving mesh plate 21 and the partition plates 20.

[0032] Several vent holes 22 are provided on the partition plate 20 in a staggered manner, and an annular spray pipe 23 is provided above the partition plate 20. Several atomizing spray heads 24 are provided below the annular spray pipe 23. The annular spray pipe 23 is connected to an external spray pump through an infusion pipe 25.

[0033] In this embodiment, a number of partition plates 20 are provided inside the spray box 16, and a number of staggered exhaust holes 22 are provided on the partition plates 20, which can delay the time of gas in the spray box 16, so as to make it fully contact the spray liquid and improve the treatment effect.

[0034] Several atomizing spray heads 24 are provided below the annular spray pipe 23, which can atomize and disperse the spray liquid more evenly between the partition plates 20 in the spray box 16, thereby improving the processing efficiency.

[0035] Work process: The exhaust gas is transported to the filter box 1 through the air inlet pipe 2. Dust and other particulate matter in the exhaust gas are filtered out by multiple filter screens 4 and fall into the ash collection funnel 11 for collection and transportation.

[0036] After filtering for a period of time, the cleaning cylinder 5 can be activated to drive the cleaning scraper 6 to move back and forth on the filter screen 4 to scrape off the dust and other debris adhering to its sides, thereby improving the filtration effect.

[0037] The filtered exhaust gas can be transported to the spray box 16 through the exhaust pipe 3. The exhaust gas moves upward and passes through the receiving mesh plate 21 in sequence to contact with the polymer organic filler. Then it is transported to the partition plate 20 through the exhaust hole 22. During the upward transport process, it fully contacts and reacts with the atomized spray liquid sprayed by several atomizing spray heads 24 below the annular spray pipe 23, and is finally discharged into the atmosphere through the exhaust pipe 17.

[0038] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and not to limit it; although the utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications can still be made to the specific implementation of this utility model or equivalent substitutions can be made to some technical features without departing from the spirit of the technical solution of this utility model, and all such modifications and substitutions should be covered within the scope of the technical solution claimed by this utility model.

Claims

1. A waste gas treatment device for lithium battery recycling process, characterized in that, It includes a filtration device and a spray device connected to the filtration device; The filtration device includes a filter box, an air inlet pipe on the left side of the filter box, an exhaust pipe on the right side, and a number of filter modules inside the filter box. Each filter module includes a filter screen, which is detachably inserted into the filter box. A cleaning module is provided on the left side of the filter module. The cleaning module includes a cleaning cylinder, which is vertically downward and set on the top of the filter box. A cleaning scraper is fixed on the piston rod of the cleaning cylinder and is set at an angle. The right side of the cleaning scraper abuts against the filter baffle.

2. The waste gas treatment device in the lithium battery recycling process according to claim 1, characterized in that, A groove is provided on the cleaning scraper.

3. The waste gas treatment device in the lithium battery recycling process according to claim 1, characterized in that, The bottom of the filter screen is inserted into the first limiting groove, and the top of it is provided with a docking plate. A second limiting groove is provided at the top of the filter box opposite to the docking plate. The docking plate can be fixed inside the second limiting groove by several nuts.

4. The waste gas treatment device in the lithium battery recycling process according to claim 1, characterized in that, At the bottom of the filter box are several ash-receiving funnels adapted to the filter module. At the bottom of the ash-receiving funnels are ash-discharge pipes with electric valves on them. At the bottom of the ash-discharge pipes are screw conveyors.

5. The waste gas treatment device in the lithium battery recycling process according to claim 1, characterized in that, An air pump is installed on the air intake pipe, and the input end of the exhaust pipe is connected to a spray device.

6. The waste gas treatment device in the lithium battery recycling process according to claim 1, characterized in that, The spraying device includes a spraying box, an air outlet pipe at the top of the spraying box, a drain pipe at the bottom of the spraying box, and an air pump on the air outlet pipe. The spray box is equipped with several partition plates, and a receiving mesh plate is provided below the partition plates. The space between the receiving mesh plate and the partition plates is filled with a polymer organic filler. Several staggered exhaust holes are provided on the partition plate, and an annular spray pipe is provided above the partition plate. Several atomizing spray heads are provided below the annular spray pipe. The annular spray pipe is connected to an external spray pump through an infusion pipe.

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