RTO equipment for treating VOCs in waste lithium battery recycling process
By setting up water removal and filtration mechanisms in the RTO equipment, the problem of impurities entering the equipment in VOCs treatment during the recycling of waste lithium batteries is solved, the purification efficiency and combustion effect of the equipment are improved, and the equipment maintenance is simplified.
Patent Information
- Application Number
- CN202421863612.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-02
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-08-02
AI Technical Summary
When the existing RTO equipment deals with the VOCs generated during the recycling of waste lithium batteries, it does not set up a filtration and water removal mechanism, causing particulate matter and moisture in the waste gas to enter the equipment, which may block the heat storage body, affect the heat exchange efficiency, and reduce the combustion effect.
An RTO device including a water removal mechanism and a filtration mechanism is designed. The water removal mechanism removes moisture from the exhaust gas through a molecular sieve, and the filtering mechanism removes particulate matter from the exhaust gas through a filter plate to prevent these impurities from entering the equipment.
Through filtration and water removal treatment, impurities are avoided to damage to RTO equipment, the purification efficiency and combustion effect of the equipment are improved, and the filtering and water removal equipment is convenient and fast.
Smart Images

Figure CN222849266U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of waste lithium battery recycling, and in particular to an RTO device for treating VOCs in the waste lithium battery recycling process. Background Art
[0002] The recycling of waste lithium batteries is an important environmental protection and resource recycling process, which is of great significance for reducing environmental pollution and saving resources. VOCs generated in the recycling process of waste lithium batteries need to be treated with RTO equipment. A Chinese patent discloses a horizontal RTO equipment with corrosion resistance and anti-clogging (authorization announcement number CN 221005089 U). The patented technology can make the exhaust gas form a tortuous flow, prolong the residence time of the exhaust gas, which is conducive to improving the purification efficiency, and reduce the height of the equipment and expand the scope of application. However, it does not have a mechanism for filtering and removing water from the exhaust gas, so that the exhaust gas containing impurities such as particulate matter and dust directly enters the RTO equipment, which may block the heat storage body, affect the heat exchange efficiency, and cause damage to the equipment. At the same time, excessive moisture in the exhaust gas will reduce the concentration of organic matter in the exhaust gas and affect the combustion effect of the RTO equipment. Therefore, those skilled in the art provide an RTO equipment for treating VOCs in the recycling process of waste lithium batteries to solve the problems raised in the above background technology. Utility Model Content
[0003] In order to solve the above technical problems, the utility model provides an RTO device for treating VOCs in the process of recycling waste lithium batteries, including an RTO device body, an inspection door is symmetrically arranged at the right end of the RTO device body, an explosion relief valve is arranged at the upper end of the RTO device body, an oxidation chamber is arranged inside the RTO device body, a plurality of heat storage chambers are arranged at the right end of the oxidation chamber, an air inlet and an air outlet are installed at the right end of the heat storage chamber, lifting valves are installed on the outer surfaces of the air inlet and the air outlet, a water removal mechanism is installed at the right end of the air inlet, a filtering mechanism is installed at the right end of the water removal mechanism, and an air inlet pipe is installed at the right end of the filtering mechanism.
[0004] Preferably: the water removal mechanism includes a circular cylinder and a round block, the lower end of the circular cylinder is connected to the filtering mechanism, the circular cylinder is rotatably connected inside the circular cylinder, a motor is installed at the lower end of the round block, and the motor is fixed at the lower end of the circular cylinder, a plurality of placement grooves are opened at the upper end of the round block, a grid plate is installed at the bottom of the placement groove, a square groove is opened at the upper end of the round block, and a round plate is arranged at the upper end of the round block.
[0005] Preferably: a plurality of grid areas are arranged inside the circular plate, and the grid areas correspond to the positions of the placement grooves, a square block is installed at the lower end of the circular plate, and the square block corresponds to the positions of the square grooves, a cover plate is arranged at the upper end of the circular cylinder, the cover plate is connected to the air inlet, and a connecting mechanism is symmetrically installed on the sides of the circular cylinder and the cover plate.
[0006] Preferably: the connecting mechanism includes a fixed block, an insert block and a positioning block, a positioning hole is opened inside the fixed block, a cavity is set inside the fixed block, a pull block is slidably connected inside the cavity, an insert block is installed at one end of the pull block, and the insert block passes through one end of the positioning hole, a pull rod is installed at the other end of the pull block, and the pull rod passes through the fixed block and is fixedly connected to the pull ring, a spring is symmetrically installed near one end of the pull rod, two positioning blocks are symmetrically installed on the side of the cover plate, and a plug hole is opened inside the positioning block.
[0007] Preferably: the filtering mechanism includes a filter box and a filter plate, the inner wall of the filter box is symmetrically installed with rails, a plurality of filter plates are arranged inside the filter box, and the filter plates are plugged into the rails, the upper ends of the filter plates pass through the filter box, a blocking plate is installed at the upper end of the filter box, and a clamping mechanism is symmetrically installed on the side of the blocking plate.
[0008] Preferably: the clamping mechanism includes a slide groove and a matching block, two slide grooves are symmetrically opened at the upper end of the blocking plate, the slide groove is slidably connected to the buckle block, the outer end of the buckle block is installed with a clamping block, the inner end of the buckle block is symmetrically installed with a spring 2, the inner wall of the slide groove is symmetrically installed with a limit block, and the limit block passes through the buckle block, the two matching blocks are symmetrically fixed at the upper end of the filter box, and a clamping hole is opened inside the matching block.
[0009] Technical effects and advantages of the utility model:
[0010] The utility model removes impurities such as particulate matter and dust in the exhaust gas through the filter plate to avoid the impurities from damaging the RTO equipment body, removes moisture in the exhaust gas through the molecular sieve to ensure the combustion effect of the RTO equipment body, and at the same time, the molecular sieve and the filter plate are easy to replace, which is convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a schematic diagram of the structure of this application;
[0012] Figure 2 It is a structural schematic diagram of the air inlet of this application;
[0013] Figure 3 It is a structural schematic diagram of the water removal mechanism of the present application;
[0014] Figure 4 It is a schematic diagram of the structure of the circular block of this application;
[0015] Figure 5 It is a structural diagram of the connection mechanism of this application;
[0016] Figure 6 It is a structural schematic diagram of the filtering mechanism of the present application;
[0017] Figure 7 It is a structural schematic diagram of the clamping mechanism of the present application;
[0018] In the figure:
[0019] 1. RTO equipment body; 2. Inspection door; 3. Explosion relief valve; 4. Air inlet; 5. Air outlet; 6. Lifting valve; 7. Water removal mechanism; 8. Round cylinder; 9. Round block;
[0020] 10. Placement slot; 11. Grid plate; 12. Square slot; 13. Motor; 14. Round plate; 15. Grid area; 16. Square block; 17. Connecting mechanism; 18. Fixing block; 19. Positioning hole;
[0021] 20. Cavity; 21. Pull block; 22. Insert block; 23. Pull rod; 24. Pull ring; 25. Spring 1; 26. Cover plate; 27. Positioning block; 28. Insert hole; 29. Filter mechanism;
[0022] 30. Filter box; 31. Insert rail; 32. Blocking plate; 33. Filter plate; 34. Clamping mechanism; 35. Slide; 36. Buckle and pull block; 37. Clamp block; 38. Spring 2; 39. Limit block;
[0023] 40. Matching block; 41. Clamping hole. DETAILED DESCRIPTION
[0024] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. 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 are obvious to those of ordinary skill in the art. The embodiments are selected and described in order 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 purposes.
[0025] See also Figures 1 to 7In this embodiment, an RTO device for treating VOCs in the process of recycling waste lithium batteries is provided, including an RTO device body 1, a maintenance door 2 is symmetrically arranged at the right end of the RTO device body 1, an explosion relief valve 3 is arranged at the upper end of the RTO device body 1, an oxidation chamber is arranged inside the RTO device body 1, a plurality of heat storage chambers are arranged at the right end of the oxidation chamber, an air inlet 4 and an air outlet 5 are installed at the right end of the heat storage chamber, a lifting valve 6 is installed on the outer surface of the air inlet 4 and the air outlet 5, a water removal mechanism 7 is installed at the right end of the air inlet 4, the water removal mechanism 7 includes a circular cylinder 8 and a round block 9, the lower end of the circular cylinder 8 is connected to the filtering mechanism 29, the circular cylinder 8 is rotatably connected to the round block 9, and a motor 13 is installed at the lower end of the round block 9, and The motor 13 is fixed to the lower end of the circular cylinder 8, and a plurality of placement grooves 10 are provided on the upper end of the circular block 9. A grid plate 11 is installed at the bottom of the placement groove 10. A square groove 12 is provided on the upper end of the circular block 9. A circular plate 14 is provided on the upper end of the circular block 9. A plurality of grid areas 15 are provided inside the circular plate 14, and the grid areas 15 correspond to the positions of the placement grooves 10. A square block 16 is installed on the lower end of the circular plate 14, and the square block 16 corresponds to the positions of the square grooves 12. A cover plate 26 is provided on the upper end of the circular cylinder 8, and the cover plate 26 is connected to the air inlet 4. A connecting mechanism 17 is symmetrically installed on the sides of the circular cylinder 8 and the cover plate 26. The connecting mechanism 17 includes a fixing block 18, an insert block 22 and a positioning block 27. A positioning hole 19 is provided inside the fixing block 18. A cavity 20 is provided inside the fixed block 18, and a pull block 21 is slidably connected inside the cavity 20. An insert block 22 is installed at one end of the pull block 21, and the insert block 22 passes through one end of the positioning hole 19. A pull rod 23 is installed at the other end of the pull block 21, and the pull rod 23 passes through the fixed block 18 and is fixedly connected to the pull ring 24. A spring 25 is symmetrically installed near one end of the pull block 21 near the pull rod 23. Two positioning blocks 27 are symmetrically installed on the side of the cover plate 26. A plug hole 28 is provided inside the positioning block 27. A filter mechanism 29 is installed at the right end of the water removal mechanism 7. An air inlet pipe is installed at the right end of the filter mechanism 29. The filter mechanism 29 includes a filter box 30 and a filter plate 33. The inner wall of the filter box 30 is symmetrically installed with a plug rail 31. The filter box 30 is provided with A plurality of filter plates 33 are provided, and the filter plates 33 are plugged into the rails 31. The upper ends of the filter plates 33 pass through the filter box 30. The blocking plates 32 are installed on the upper ends of the filter box 30. The clamping mechanisms 34 are symmetrically installed on the sides of the blocking plates 32. The clamping mechanisms 34 include slide grooves 35 and matching blocks 40. Two slide grooves 35 are symmetrically arranged on the upper ends of the blocking plates 32. The slide grooves 35 are internally slidably connected to buckle blocks 36. A clamping block 37 is installed on the outer end of the buckle block 36. A spring 2 38 is symmetrically installed on the inner end of the buckle block 36. A limit block 39 is symmetrically installed on the inner wall of the slide groove 35, and the limit block 39 passes through the buckle block 36. The two matching blocks 40 are symmetrically fixed on the upper ends of the filter box 30, and a clamping hole 41 is arranged inside the matching blocks 40.
[0026] The working principle of the utility model is: pour the molecular sieve into the placement groove 10, install the circular plate 14 on the upper end of the circular block 9, and at the same time, insert the square block 16 into the square groove 12, then install the cover plate 26 on the upper end of the circular cylinder 8, insert the positioning block 27 into the positioning hole 19, push the pull block 21 to move through the spring 25, and the pull block 21 drives the plug block 22 to be inserted into the plug hole 28, so that the cover plate 26 is fixed on the upper end of the circular cylinder 8;
[0027] Then, the filter plate 33 is inserted into the insertion rail 31 in the filter box 30, and the blocking plate 32 is installed on the upper end of the filter box 30. Then, the buckle pull block 36 is pushed to move by the spring 2 38, and the buckle pull block 36 drives the clamping block 37 to be inserted into the clamping hole 41, so that multiple filter plates 33 are installed in the filter box 30;
[0028] The exhaust gas enters the filter box 30 through the air inlet pipe, and is filtered by multiple filter plates 33 to filter out impurities such as particulate matter and dust in the exhaust gas. Then, the exhaust gas enters the circular cylinder 8, and the exhaust gas passes through the grid plate 11 and enters the placement groove 10. The molecular sieve absorbs moisture in the exhaust gas, thereby dehydrating the exhaust gas. The motor 13 drives the round block 9 to rotate, so that the new molecular sieve is rotated to continue the dehydration work.
[0029] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. Structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to conventional means in the field unless otherwise specified and limited.
Claims
1. An RTO device for treating VOCs in the recycling process of waste lithium batteries, comprising an RTO device body (1), characterized in that: The right end of the RTO device body (1) is symmetrically provided with an inspection door (2); the upper end of the RTO device body (1) is provided with an explosion relief valve (3); an oxidation chamber is provided inside the RTO device body (1); a plurality of heat storage chambers are provided at the right end of the oxidation chamber; an air inlet (4) and an air outlet (5) are installed at the right end of the heat storage chamber; lift valves (6) are installed on the outer surfaces of the air inlet (4) and the air outlet (5); a water removal mechanism (7) is installed at the right end of the water removal mechanism (7); a filter mechanism (29) is installed at the right end of the filter mechanism (29); and an air inlet pipe is installed at the right end of the filter mechanism (29).
2. The RTO equipment for treating VOCs in the recycling process of waste lithium batteries according to claim 1, characterized in that: The dewatering mechanism (7) comprises a circular cylinder (8) and a round block (9); the lower end of the circular cylinder (8) is connected to a filtering mechanism (29); the circular cylinder (8) is rotatably connected to the round block (9); a motor (13) is installed at the lower end of the round block (9); and the motor (13) is fixed to the lower end of the circular cylinder (8); a plurality of placement grooves (10) are provided at the upper end of the round block (9); a grid plate (11) is installed at the bottom of the placement grooves (10); a square groove (12) is provided at the upper end of the round block (9); and a round plate (14) is provided at the upper end of the round block (9).
3. The RTO equipment for treating VOCs in the recycling process of waste lithium batteries according to claim 2, characterized in that: A plurality of grid areas (15) are arranged inside the circular plate (14), and the grid areas (15) correspond to the positions of the placement grooves (10); a square block (16) is installed at the lower end of the circular plate (14), and the square block (16) corresponds to the position of the square groove (12); a cover plate (26) is arranged at the upper end of the circular cylinder (8), and the cover plate (26) is connected to the air inlet (4); and a connecting mechanism (17) is symmetrically installed on the sides of the circular cylinder (8) and the cover plate (26).
4. The RTO equipment for treating VOCs in the recycling process of waste lithium batteries according to claim 3, characterized in that: The connecting mechanism (17) comprises a fixed block (18), an insert block (22) and a positioning block (27); a positioning hole (19) is provided inside the fixed block (18); a cavity (20) is provided inside the fixed block (18); a pull block (21) is slidably connected inside the cavity (20); an insert block (22) is installed at one end of the pull block (21), and the insert block (22) passes through one end of the positioning hole (19); a pull rod (23) is installed at the other end of the pull block (21), and the pull rod (23) passes through the fixed block (18) and is fixedly connected to a pull ring (24); a spring (25) is symmetrically installed near one end of the pull block (21) and the pull rod (23); two positioning blocks (27) are symmetrically installed on the side of the cover plate (26); and an insert hole (28) is provided inside the positioning block (27).
5. The RTO equipment for treating VOCs in the recycling process of waste lithium batteries according to claim 1, characterized in that: The filtering mechanism (29) comprises a filtering box (30) and a filtering plate (33); a plug rail (31) is symmetrically mounted on the inner wall of the filtering box (30); a plurality of filtering plates (33) are arranged inside the filtering box (30); the filtering plates (33) are plugged into the plug rail (31); the upper ends of the filtering plates (33) penetrate the filtering box (30); a blocking plate (32) is mounted on the upper end of the filtering box (30); and a clamping mechanism (34) is symmetrically mounted on the side of the blocking plate (32).
6. The RTO equipment for treating VOCs in the recycling process of waste lithium batteries according to claim 5, characterized in that: The clamping mechanism (34) comprises a slide groove (35) and a matching block (40), wherein the two slide grooves (35) are symmetrically arranged at the upper end of the blocking plate (32), the slide grooves (35) are internally slidably connected to the buckle block (36), a clamping block (37) is installed at the outer end of the buckle block (36), a spring 2 (38) is symmetrically installed at the inner end of the buckle block (36), a limit block (39) is symmetrically installed on the inner wall of the slide groove (35), and the limit block (39) passes through the buckle block (36), and the two matching blocks (40) are symmetrically fixed at the upper end of the filter box (30), and a clamping hole (41) is arranged inside the matching block (40).
Citation Information
Patent Citations
A corrosion-resistant and anti-clogging horizontal RTO equipment
CN221005089U