Waste lithium battery cracking waste gas purification system for purification chamber
By designing a waste gas purification system including liquid tank, interceptor tube, fiber filter plate and activated carbon adsorption plate, the problem of small and medium-sized dust impurities in the cracked waste gas of waste lithium batteries is solved, and the complete interception of small and medium-sized gas particles is achieved and Adsorption improves the waste gas purification effect.
Patent Information
- Application Number
- CN202420321303.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-21
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-02-21
AI Technical Summary
In the prior art, smaller dust impurities in the waste gas generated during the cracking of waste lithium batteries cannot be effectively filtered, which may cause the gas to carry small particles and emit it into the air.
Design a waste lithium battery cracking waste gas purification system for purification chambers. The system includes a liquid box, an interceptor tube, a fiber filter plate and an activated carbon adsorption plate. Through multiple filtration and adsorption processes such as liquid filtration, an interceptor tube filtration, a fiber filtration and activated carbon adsorption, Achieve complete interception and adsorption of small and medium-sized gas particles.
Effective interception and adsorption of smaller particles in the gas is achieved, ensuring that the discharged gas does not carry harmful impurities, and improving the effect of exhaust gas purification.
Smart Images

Figure CN222445880U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a waste lithium battery cracking waste gas purification system, in particular to a waste lithium battery cracking waste gas purification system for a purification room, belonging to the technical field of lithium batteries. Background Art
[0002] Lithium batteries refer to batteries that contain lithium (including metallic lithium, lithium alloys, lithium ions, and lithium polymers) in the electrochemical system. Lithium batteries can be roughly divided into two categories: lithium metal batteries and lithium ion batteries. Lithium metal batteries are usually non-rechargeable and contain metallic lithium. Lithium ion batteries do not contain metallic lithium and are rechargeable.
[0003] The existing patent number CN211513756U proposes a waste gas purification system in the lithium battery recycling process. The device has the characteristics of high concentration of dust, fluorine and volatile organic compounds in the waste gas generated in the lithium battery recycling process. Reasonable arrangement of various functional units can remove most of the fluorine-containing components in the waste gas to prevent the fluorine-containing components from corroding the volatile organic compound treatment device body, thermal insulation materials or heat storage bodies. However, the dust removal structure of the device is not enough to thoroughly intercept finer dust impurities, and the gas may carry small particles into the air. In view of the above problems, the utility model proposes a waste lithium battery cracking waste gas purification system for clean rooms to facilitate people's use. Utility Model Content
[0004] The technical problem to be solved by the utility model is to provide a waste lithium battery cracking waste gas purification system for a clean room, which can better intercept smaller particles in the gas, solving the technical problem that smaller dust impurities cannot be better filtered in the prior art.
[0005] In order to solve the above problems, the following technical solutions are provided:
[0006] A waste lithium battery cracking waste gas purification system for a clean room is designed, comprising a support leg, a processing tank is fixedly arranged at the upper end of the support leg, an exhaust pipe is fixedly arranged at the upper end of the processing tank, a purification box is arranged on one side of the processing tank, an L-tube is arranged inside the purification box, a first through hole is opened at the upper end of the L-tube, a second through hole is opened at the lower end of the exhaust pipe, and an interception pipe is arranged inside the L-tube;
[0007] A liquid tank is provided inside the purification box, a connecting pipe is fixedly provided on one side of the liquid tank, a second bolt is provided on one side of the L tube, an exhaust fan is provided at the upper end of the purification box, a purification cylinder is provided at the upper end of the exhaust fan, a fiber filter plate is fixedly provided inside the purification cylinder, and an activated carbon adsorption plate is provided at the upper end of the fiber filter plate.
[0008] Furthermore, a first bolt is disposed inside the first through hole, and a sealing ring is fixedly disposed on the upper end of the L-tube.
[0009] Through the above technical solution, the first bolt passes through the first through hole and is threadedly connected to the second through hole on the exhaust pipe, thereby fixing the exhaust pipe and the L-tube.
[0010] Furthermore, an outer wall at the upper end of the intercepting tube is fixedly provided with an external thread, and an inner wall at the upper end of the L tube is fixedly provided with an internal thread.
[0011] Through the above technical solution, the threaded connection between the intercepting tube and the L tube is realized by utilizing the threaded structure of the external thread and the internal thread, which facilitates installation and disassembly.
[0012] Furthermore, a plurality of filtering holes are provided inside the intercepting tube, and a cross rod is fixedly provided on the inner wall of the intercepting tube.
[0013] Through the above technical solution, the filter holes play a filtering role, and the cross rods are used to support and reinforce the interception tube.
[0014] Furthermore, a sponge plate is provided on the upper end of the activated carbon adsorption plate.
[0015] Through the above technical solution, the sponge board is used to achieve a preliminary filtering effect.
[0016] Furthermore, a liquid inlet pipe is fixedly provided on one side of the purification box.
[0017] Through the above technical solution, the liquid is added by using the liquid inlet pipe.
[0018] Furthermore, a maintenance door is rotatably connected to the front end of the purification box.
[0019] Through the above technical solution, it is convenient to inspect and repair the inside of the purification box when the maintenance door is opened.
[0020] Compared with the prior art, the beneficial effects of the present invention are:
[0021] 1. The utility model is provided with a liquid purification component, and an interception cylinder is provided before the exhaust gas enters the liquid tank to intercept large impurities, and then the gas enters the liquid for secondary filtration, so that small dust contacts the liquid, thereby making the gas filtration more thorough;
[0022] 2. The utility model can repeatedly filter dust and adsorb odor of gas by arranging fiber filter plates and activated carbon adsorption plates, so as to ensure that the exhausted gas does not carry harmful impurities.
[0023] With reference to the following description and the accompanying drawings, specific embodiments of the present invention are disclosed in detail, indicating the manner in which the principles of the present invention can be adopted. It should be understood that the embodiments of the present invention are not limited in scope. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0025] Figure 1 It is a schematic diagram of the overall structure of a waste lithium battery decomposition waste gas purification system for a clean room according to the utility model;
[0026] Figure 2 It is a partial front section structural schematic diagram of a waste lithium battery decomposition waste gas purification system for a clean room according to the utility model;
[0027] Figure 3 It is a partial structural schematic diagram of a waste lithium battery decomposition waste gas purification system for a clean room according to the utility model;
[0028] Figure 4 It is a schematic diagram of the front cross-section structure of a purification cylinder of a waste lithium battery decomposition waste gas purification system for a clean room according to the utility model;
[0029] Figure 5 for Figure 2 Magnified view at A in the middle.
[0030] In the figure: 1. Support leg; 2. Processing tank; 3. Exhaust pipe; 4. Purification box; 5. L-tube; 6. First through hole; 7. Second through hole; 8. Sealing ring; 9. First bolt; 10. Intercepting tube; 11. External thread; 12. Internal thread; 13. Filter hole; 14. Cross rod; 15. Liquid box; 16. Connecting pipe; 17. Second bolt; 18. Exhaust fan; 19. Purification cylinder; 20. Fiber filter plate; 21. Activated carbon adsorption plate; 22. Sponge plate; 23. Liquid inlet pipe; 24. Maintenance door. DETAILED DESCRIPTION
[0031] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0032] like Figure 1 - Figure 5As shown, a waste lithium battery cracking waste gas purification system for a clean room provided in this embodiment includes a support leg 1, a processing tank 2 is fixedly arranged on the upper end of the support leg 1, an exhaust pipe 3 is fixedly arranged on the upper end of the processing tank 2, the exhaust pipe 3 facilitates the entry of gas, a purification box 4 is arranged on one side of the processing tank 2, the purification box 4 is used to set a purification structure, an L-tube 5 is arranged inside the purification box 4, a first through hole 6 is opened at the upper end of the L-tube 5, a second through hole 7 is opened at the lower end of the exhaust pipe 3, an interception tube 10 is arranged inside the L-tube 5, and the interception tube 10 intercepts impurities in the gas;
[0033] A liquid box 15 is provided inside the purification box 4, a connecting pipe 16 is fixedly provided on one side of the liquid box 15, a second bolt 17 is provided on one side of the L tube 5, an exhaust fan 18 is provided at the upper end of the purification box 4, a purification cylinder 19 is provided at the upper end of the exhaust fan 18, a fiber filter plate 20 is fixedly provided inside the purification cylinder 19, and an activated carbon adsorption plate 21 is provided at the upper end of the fiber filter plate 20.
[0034] In this embodiment, if Figure 3 and Figure 5 As shown, a flange structure is provided at the upper end of the L-tube 5 and the lower end of the exhaust pipe 3, a first bolt 9 is screwed into the first through hole 6 of the L-tube 5, the first bolt 9 passes through the second through hole 7 at the lower end of the exhaust pipe 3 and is threadedly connected with the second through hole 7, so that the first bolt 9 connects the L-tube 5 and the exhaust pipe 3, and a sealing ring 8 is fixedly provided at the upper end of the L-tube 5, and the sealing ring 8 can ensure a tighter connection between them.
[0035] In this embodiment, if Figure 3 and Figure 5 As shown, the upper outer wall of the intercepting tube 10 is fixedly provided with an external thread 11, and the upper inner wall of the L tube 5 is fixedly provided with an internal thread 12. The internal thread 12 can be fitted with the external thread 11, so that the upper end of the intercepting tube 10 can be screwed onto the L tube 5 through threads.
[0036] In this embodiment, if Figure 3 As shown, a plurality of filter holes 13 are provided on the interception tube 10, so that the interception tube 10 forms a tubular mesh structure, and the filter holes 13 are utilized to realize the circulation of gas and filter out large volume impurities in the gas, so that the interception tube 10 acts as a filter, and a cross rod 14 is fixedly provided on the inner wall of the interception tube 10, and the cross rod 14 is utilized to realize the support and reinforcement of the interception tube 10.
[0037] In this embodiment, if Figure 4 As shown, a sponge plate 22 is arranged at the upper end of the activated carbon adsorption plate 21, and the sponge plate 22 and the fiber filter plate 20 are respectively arranged on the activated carbon adsorption plate 21, and the activated carbon adsorption plate 21 can effectively intercept and filter impurities in the gas.
[0038] In this embodiment, if Figure 1-2 As shown, in order to ensure that the liquid can enter the liquid tank 15, a liquid inlet pipe 23 is set on one side of the purification box 4. After the liquid is injected into the liquid inlet pipe 23, it falls into the liquid tank 15 to achieve the addition of liquid. A maintenance door 24 is installed on the front side of the purification box 4 using hinges. After the maintenance door 24 is opened, it is convenient to maintain and inspect the purification box 4.
[0039] The use principle and use process of the utility model are as follows: when in use, the gas enters the inner wall of the exhaust pipe 3 from the processing tank 2, the gas is located in the interception pipe 10 to filter impurities, large impurities are intercepted, and then the gas enters the liquid, and the gas carrying small impurities enters the liquid, repeatedly contacts the liquid, so that small particles are adsorbed in the water, and then the gas passes through the fiber filter plate 20, the fiber filter plate 20 intercepts and filters the impurities in the gas, and the activated carbon adsorption plate 21 adsorbs the odor of the gas, which can better filter the gas.
[0040] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.
[0041] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0042] The present invention is described above in conjunction with specific implementation methods, but it should be clear to those skilled in the art that these descriptions are exemplary and are not intended to limit the scope of protection of the present invention. Those skilled in the art can make various modifications and variations to the present invention based on the spirit and principles of the present invention, and these modifications and variations are also within the scope of the present invention.
Claims
1. A waste lithium battery cracking waste gas purification system for a clean room, characterized in that: The invention comprises a support leg (1), a processing tank (2) is fixedly arranged at the upper end of the support leg (1), an exhaust pipe (3) is fixedly arranged at the upper end of the processing tank (2), a purification box (4) is arranged on one side of the processing tank (2), an L-tube (5) is arranged inside the purification box (4), a first through hole (6) is opened at the upper end of the L-tube (5), a second through hole (7) is opened at the lower end of the exhaust pipe (3), and an intercepting pipe (10) is arranged inside the L-tube (5); A liquid box (15) is arranged inside the purification box (4), a connecting pipe (16) is fixedly arranged on one side of the liquid box (15), a second bolt (17) is arranged on one side of the L-tube (5), an exhaust fan (18) is arranged at the upper end of the purification box (4), a purification cylinder (19) is arranged at the upper end of the exhaust fan (18), a fiber filter plate (20) is fixedly arranged inside the purification cylinder (19), and an activated carbon adsorption plate (21) is arranged at the upper end of the fiber filter plate (20).
2. A waste lithium battery decomposition waste gas purification system for a clean room according to claim 1, characterized in that: A first bolt (9) is arranged inside the first through hole (6), and a sealing ring (8) is fixedly arranged at the upper end of the L-tube (5).
3. The waste lithium battery decomposition waste gas purification system for a clean room according to claim 1, characterized in that: The upper outer wall of the intercepting tube (10) is fixedly provided with an external thread (11), and the upper inner wall of the L tube (5) is fixedly provided with an internal thread (12).
4. The waste lithium battery decomposition waste gas purification system for a clean room according to claim 1, characterized in that: A plurality of filtering holes (13) are provided inside the intercepting tube (10), and a cross rod (14) is fixedly provided on the inner wall of the intercepting tube (10).
5. The waste lithium battery decomposition waste gas purification system for a clean room according to claim 1, characterized in that: A sponge plate (22) is provided at the upper end of the activated carbon adsorption plate (21).
6. The waste lithium battery decomposition waste gas purification system for a clean room according to claim 1, characterized in that: A liquid inlet pipe (23) is fixedly provided on one side of the purification box (4).
7. The waste lithium battery decomposition waste gas purification system for a clean room according to claim 1, characterized in that: The front end of the purification box (4) is rotatably connected to a maintenance door (24).
Citation Information
Patent Citations
Waste gas purification system in lithium battery recovery process
CN211513756U
