A VOCs exhaust gas treatment system

Abstract

The present application relates to the technical field of VOCs waste gas treatment, and discloses a VOCs waste gas treatment system, which comprises a waste gas collecting tank for collecting VOCs waste gas, a spraying treatment assembly, a adsorption treatment assembly and a replacement assembly. The spraying treatment assembly comprises a first treatment tank and a spraying part, the first treatment tank is communicated with the waste gas collecting tank through a first pipeline, and the spraying part is arranged in the first treatment tank and used for spraying treatment of the VOCs waste gas. The adsorption treatment assembly comprises a second treatment tank and a plurality of adsorption parts, the second treatment tank is communicated with the first treatment tank through a second pipeline, and the plurality of adsorption parts are arranged in the second treatment tank in an axial direction and used for adsorption treatment of the VOCs waste gas. The replacement assembly comprises a connecting piece and a replacement piece, the connecting piece is arranged on the second treatment tank, the replacement piece is arranged in the connecting piece, and the replacement piece is used for sealed replacement of the adsorption parts in the second treatment tank. The present application has simple structure, realizes multistage treatment of waste gas, guarantees treatment effect, simultaneously realizes sealed replacement of the adsorption parts, and avoids waste gas leakage.

Description

Technical Field

[0001] The present invention relates to the technical field of VOCs waste gas treatment, and in particular to a VOCs waste gas treatment system. Background Art

[0002] VOCs primarily refer to toxic organic compounds, including hydrocarbons, ketones, aldehydes, alcohols, esters, benzene, and its homologues. Benzene and its homologues are the most hazardous, entering the human body through the respiratory tract and skin, causing damage to the respiratory tract, blood, and liver. VOCs, due to their composition, are flammable, explosive, toxic, and difficult to control.

[0003] At present, the main technologies for treating VOCs waste gas include adsorption technology, catalytic oxidation technology, incineration and destruction technology, biological purification technology, etc. However, the existing technology treats VOCs waste gas mostly through a single technical means, resulting in less than ideal treatment effect. At the same time, for adsorption treatment technology, as the adsorption process proceeds, the adsorption parts need to be replaced regularly, but the replacement in the existing technology requires stopping the equipment operation, and the staff need to wear protective equipment, etc. to avoid gas leakage during the replacement process, affecting the health of the staff and thus affecting the overall treatment efficiency.

[0004] Therefore, there is an urgent need for a VOCs waste gas treatment system to solve the above problems. Summary of the Invention

[0005] The purpose of the present invention is to provide a VOCs waste gas treatment system to solve the problems existing in the above-mentioned prior art.

[0006] To achieve the above objectives, the present invention provides the following solution: The present invention provides a VOCs waste gas treatment system, comprising:

[0007] Waste gas collection box, used to collect VOCs waste gas;

[0008] A spray treatment assembly, comprising a first treatment tank and a spray element, wherein the first treatment tank is connected to the exhaust gas collection box through a first pipe, and the spray element is arranged in the first treatment tank for spraying the VOCs exhaust gas;

[0009] An adsorption treatment assembly includes a second treatment tank and a plurality of adsorption elements, wherein the second treatment tank is connected to the first treatment tank through a second pipe, and the plurality of adsorption elements are axially arranged in the second treatment tank for adsorption treatment of VOCs waste gas;

[0010] The replacement component comprises a connecting piece and a replacement piece, wherein the connecting piece is arranged on the second processing tank, and the replacement piece is arranged in the connecting piece and is used for sealing and replacing the adsorption piece in the second processing tank.

[0011] According to a VOCs waste gas treatment system provided by the present invention, the spray part includes a threaded rod rotatably connected to the middle part of the first treatment tank, a support ring is threadedly connected to the threaded rod, one end of the spray pipe is fixedly connected to the support ring along the axial direction, and the other end of the spray pipe is fixedly connected to an outer ring, and the outer ring is in sliding contact with the inner wall of the first treatment tank. The spray pipes are all fixedly connected with a conduit, and the conduit is connected to the external spray liquid. A number of spray heads are fixedly connected to the spray pipe along the axial direction, and a motor is fixedly connected to the top of the first treatment tank. One end of the threaded rod extends out of the first treatment tank and is fixedly connected to the output shaft of the motor.

[0012] According to a VOCs waste gas treatment system provided by the present invention, a guide rod is fixedly connected to the first treatment tank, the guide rod is arranged parallel to the threaded rod, and the support ring is sleeved on the guide rod and slidably cooperates with the guide rod.

[0013] According to a VOCs waste gas treatment system provided by the present invention, the adsorbent includes a support frame, the top and bottom ends of the support frame are fixedly connected to filter screens, a number of activated carbon blocks are arranged between the two filter screens, and a number of plug-in slots are opened on the second treatment tank, the support frame is adapted to the plug-in slots, and a sealing member is provided on the support frame, and the support frame is sealed and connected to the plug-in slots through the sealing member.

[0014] According to a VOCs waste gas treatment system provided by the present invention, a groove is opened on the side wall of the support frame, a plurality of sliding rods are slidably connected in the groove, a sealing block is fixedly connected to one end of the sliding rod, a slider is fixedly connected in the plug-in groove, the groove is adapted to the slider, a sealing plate is fixedly connected to the slider, and the sealing block is arranged in contact with the sealing plate.

[0015] According to a VOCs waste gas treatment system provided by the present invention, both sides of the support frame are slidably connected with a top rod, one end of a plurality of connecting rods is hinged on the top rod, and the other end of the connecting rod is hinged to the sliding rod. A first spring is sleeved on the top rod, and the two ends of the first spring are fixedly connected to the top rod and the support frame respectively.

[0016] According to a VOCs waste gas treatment system provided by the present invention, the sealing plate has an arc-shaped structure, and protrusions are fixedly connected to both ends, and is configured so that when the sealing block squeezes the sealing plate, the protrusions come into contact with the inner wall of the groove.

[0017] According to a VOCs waste gas treatment system provided by the present invention, the connecting part includes a lifting bracket, a connecting box is fixedly connected to the lifting bracket, a replacement port is provided on one side of the connecting box, an annular groove is provided on the replacement port, a suction nozzle is provided in the annular groove, and the suction nozzle is provided in contact with the second treatment tank.

[0018] According to a VOCs waste gas treatment system provided by the present invention, the replacement part includes two screw slides arranged on the connecting box body, and the screw slides are connected to clamping claws through electric telescopic rods, and the clamping claws are used to clamp the support frame.

[0019] According to a VOCs waste gas treatment system provided by the present invention, a mounting plate is fixedly connected to the support frame, the mounting plate is connected to the second treatment tank through bolts, a handle is fixedly connected to the mounting plate, and the clamping claw is used to clamp the handle.

[0020] Compared with the prior art, the present invention has the following advantages and technical effects:

[0021] The present invention provides a VOCs waste gas treatment system. Specifically, waste gas is collected in a waste gas collection box and first transported to a first treatment tank. The waste gas is subjected to primary treatment by a spray treatment component, while ensuring sufficient contact between the reaction liquid and the waste gas to ensure the treatment effect. After the primary treatment, the waste gas is transported to a second treatment tank, and the waste gas is adsorbed by a provided adsorption component. During the adsorption process, the waste gas is connected to the second treatment tank through a provided connector. After the connection, the adsorption component is sealed and replaced by a provided replacement component to avoid waste gas leakage and ensure overall treatment efficiency. The present application has a simple structure, realizes multi-stage treatment of waste gas, ensures treatment effect, and simultaneously realizes the sealing replacement of the adsorption component to avoid waste gas leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. Those skilled in the art can also derive other drawings based on these drawings without inventive work.

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 This is a schematic diagram of the internal structure of the first processing tank of the present invention;

[0025] Figure 3 This is a schematic diagram of the internal structure of the second processing tank of the present invention;

[0026] Figure 4This is a schematic diagram of the internal structure of the connection box of the present invention;

[0027] Figure 5 This is a schematic diagram of the connection frame of the present invention in an uninstalled state;

[0028] Figure 6 For the present invention Figure 5 A partial enlarged view of the middle A;

[0029] Figure 7 This is a schematic diagram of the top rod structure of the present invention;

[0030] Figure 8 For the present invention Figure 7 A partial enlarged view of point B in the middle;

[0031] Figure 9 Schematic diagram of the suction nozzle structure of the present invention;

[0032] Among them, 1. exhaust gas collection box; 2. first treatment tank; 3. first pipeline; 4. second treatment tank; 5. second pipeline; 6. threaded rod; 7. support ring; 8. spray pipe; 9. outer ring; 10. conduit; 11. spray head; 12. motor; 13. guide rod; 14. support frame; 15. filter; 16. activated carbon block; 17. plug-in slot; 18. groove; 19. slide rod; 20. sealing block; 21. slider; 22. sealing plate; 23. push rod; 24. connecting rod; 25. first spring; 26. protrusion; 27. lifting bracket; 28. connecting box; 29. ​​replacement port; 30. annular groove; 31. suction nozzle; 32. screw slide; 33. electric telescopic rod; 34. clamping claw; 35. mounting plate; 36. bolt; 37. handle. DETAILED DESCRIPTION

[0033] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0034] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0035] In the related art, such as a VOCs waste gas treatment system, relates to the technical field of chemical environmental protection equipment. The VOCs waste gas treatment system comprises a treatment tower, a cavity for the flow of VOCs is arranged in the treatment tower, a gas inlet pipe is arranged at the bottom end of the treatment tower, and the gas inlet pipe is used to introduce VOCs into the treatment tower; a reaction zone is arranged at the bottom of the treatment tower, and the reaction zone is filled with a prefabricated reaction liquid for reacting with VOCs, and the gas outlet of the gas inlet pipe is located below the reaction liquid surface of the prefabricated reaction liquid; a filter layer is arranged in the treatment tower and located above the reaction zone, and a plurality of pores for the passage of VOCs are arranged in the filter layer; and a vacuum pump is connected to the top of the treatment tower, and a negative pressure is formed at the top of the cavity to provide power for the passage of VOCs through the filter layer. When the VOCx enters the reaction zone, it is dispersed into the reaction zone by the turbulence blade, thereby increasing the contact between the VOCs and the reaction liquid, and thereby improving the reaction efficiency.

[0036] Such as a VOCs waste gas treatment system, comprising a VOCs closed generator, the top of the VOCs closed generator is respectively communicated with a connecting pipe, a liquid inlet pipe and an air inlet pipe, one end of the air outlet end of the connecting pipe is communicated with a coalescence oil remover, the waste gas enters the coalescence oil remover, the gas-water membrane separator, the iron-carbon micro-electrolysis reactor and the VOCs secondary purification chamber in sequence through the connecting pipe to carry out waste gas treatment, the waste gas carries out catalytic oxidation reaction with the iron-carbon micro-electrolysis reactor, and is finally decomposed into CO2, H2O and a small amount of inorganic gas; the decomposed gas enters the VOCs secondary purification chamber, is discharged through the gas outlet after reaching the standard.

[0037] In the above related technology, the treatment is simply carried out by a single technical means, resulting in unsatisfactory treatment effect. At the same time, for the adsorption treatment technology, the adsorption device needs to be replaced regularly as the adsorption process proceeds. However, the replacement in the prior art needs to stop the equipment operation, and the staff needs to wear protective equipment to avoid gas leakage during the replacement process, which affects the health of the staff and further affects the overall processing efficiency. Therefore, in view of the above problems, the present application provides a VOCs waste gas treatment system, and the scheme is as follows:

[0038] Referring to Figures 1-9 The present application provides a VOCs waste gas treatment system, comprising:

[0039] The waste gas collecting box 1 is used for collecting VOCs waste gas;

[0040] The spray treatment assembly comprises a first treatment tank 2 and a spraying member, the first treatment tank 2 is communicated with the waste gas collecting box 1 through a first pipeline 3, and the spraying member is arranged in the first treatment tank 2 and used for spraying treatment of VOCs waste gas;

[0041] The adsorption treatment assembly comprises a second treatment tank 4 and a plurality of adsorption members, the second treatment tank 4 is communicated with the first treatment tank 2 through a second pipeline 5, and the plurality of adsorption members are arranged in the second treatment tank 4 in the axial direction and used for adsorbing and treating the VOCs waste gas.

[0042] The replacement assembly comprises a connecting piece and a replacement piece, the connecting piece is arranged on the second treatment tank 4, and the replacement piece is arranged in the connecting piece and used for sealing and replacing the adsorption members in the second treatment tank 4.

[0043] In one embodiment of the present application, the waste gas is collected into the waste gas collection tank 1, firstly delivered into the first treatment tank 2, and then subjected to primary treatment through the arranged spray treatment piece, so that the waste gas is fully contacted with the reaction liquid, the treatment effect is ensured, and after the primary treatment, the waste gas is delivered into the second treatment tank 4 and subjected to adsorption through the arranged adsorption members; during the adsorption process, the connecting piece is connected to the second treatment tank 4, and after the connection, the replacement piece is arranged to seal and replace the adsorption members, so that the waste gas leakage is avoided and the overall treatment efficiency is ensured.

[0044] As an optional implementation, the spray piece comprises a threaded rod 6 rotatably connected to the middle part of the first treatment tank 2, a support ring 7 threadedly connected to the threaded rod 6, one end of a spray pipe 8 fixedly connected to the support ring 7 in the axial direction, an outer ring 9 fixedly connected to the other end of the spray pipe 8, the outer ring 9 in sliding contact with the inner wall of the first treatment tank 2, a plurality of pipes 10 fixedly connected to the spray pipe 8, the pipes 10 in communication with the spraying liquid outside, a plurality of spray heads 11 fixedly connected to the spray pipe 8 in the axial direction, and a motor 12 fixedly connected to the top end of the first treatment tank 2, one end of the threaded rod 6 extending out of the first treatment tank 2 and fixedly connected to the output shaft of the motor 12.

[0045] In one embodiment of the present application, the motor 12 drives the threaded rod 6 to rotate, the support ring 7 vertically moves when the threaded rod 6 rotates, and the height of the spray pipe 8 is moved, so that the internal waste gas is subjected to spray treatment, the spray effect is ensured, and the outer ring 9 scrapes the inner wall of the first treatment tank 2 to avoid the residue of the reaction liquid.

[0046] As an optional implementation, a guide rod 13 is fixedly connected to the first treatment tank 2, the guide rod 13 is arranged in parallel with the threaded rod 6, and the support ring 7 is sleeved on the guide rod 13 and in sliding cooperation with the guide rod 13.

[0047] In one embodiment of the present application, the guide rod 13 ensures the stable lifting of the support ring 7 when the threaded rod 6 rotates.

[0048] As an optional embodiment, the adsorbent includes a support frame 14, and the top and bottom ends of the support frame 14 are fixedly connected to filter screens 15, and a number of activated carbon blocks 16 are arranged between the two filter screens 15. The second treatment tank 4 is provided with a number of plug-in slots 17, and the support frame 14 is adapted to the plug-in slots 17, and a seal is provided on the support frame 14, and the support frame 14 is sealed and connected to the plug-in slots 17 through the seal.

[0049] In one embodiment of the present invention, the activated carbon block 16 is provided to achieve adsorption treatment of the exhaust gas.

[0050] As an optional embodiment, a groove 18 is opened on the side wall of the support frame 14, and a number of sliding rods 19 are slidably connected in the groove 18. A sealing block 20 is fixedly connected to one end of the sliding rod 19. A slider 21 is fixedly connected in the plug-in groove 17. The groove 18 is adapted to the slider 21. A sealing plate 22 is fixedly connected to the slider 21, and the sealing block 20 is arranged in contact with the sealing plate 22.

[0051] In one embodiment of the present invention, the sealing block 20 is provided in contact with the sealing plate 22 to achieve sealing after the support frame 14 is installed, thereby preventing the exhaust gas from flowing out through the gap and ensuring that the exhaust gas passes through the activated carbon block stably.

[0052] As an optional embodiment, both sides of the support frame 14 are slidably connected with a push rod 23, one end of a plurality of connecting rods 24 is hinged on the push rod 23, and the other end of the connecting rod 24 is hinged to the sliding rod 19. A first spring 25 is sleeved on the push rod 23, and the two ends of the first spring 25 are fixedly connected to the push rod 23 and the support frame 14 respectively.

[0053] In one embodiment of the present invention, the push rod 23 is reset by a first spring 25. In the initial state, the push rod 23 is in an extended state. During installation, the push rod 23 is squeezed and slides inward. When sliding, the connecting rod 24 is provided to drive the sliding rod 19 to extend, so that the sealing block 20 is in stable contact with the sealing plate 22.

[0054] As an optional embodiment, the sealing plate 22 is an arc-shaped structure, and has protrusions 26 fixedly connected to both ends, and is configured so that when the sealing block 20 squeezes the sealing plate 22, the protrusions 26 come into contact with the inner wall of the groove 18.

[0055] In one embodiment of the present invention, the sealing plate 22 is an arc-shaped structure. When the sealing block 20 contacts the sealing plate 22, the sealing plate 22 is squeezed to expand, so that the protrusions 26 at both ends contact the inside of the groove 18, further ensuring the sealing state after the two are connected, avoiding gas leakage, and ensuring that the gas passes through the activated carbon block 16 stably.

[0056] As an optional embodiment, the connecting part includes a lifting bracket 27, to which a connecting box 28 is fixedly connected. A replacement port 29 is provided on one side of the connecting box 28, and an annular groove 30 is provided on the replacement port 29. A suction nozzle 31 is provided in the annular groove 30, and the suction nozzle 31 is provided in contact with the second processing tank 4.

[0057] In one embodiment of the present invention, when replacement is required, the lifting bracket 27 is raised and lowered to control the height of the connecting box 28. After adjustment, the replacement port 29 is aligned with the position where it needs to be replaced, and a stable sealing contact is achieved between the two through the suction nozzle 31 to avoid gas leakage during replacement.

[0058] As an optional embodiment, the replacement part includes two screw slides 32 arranged on the connecting box 28, and the screw slides 32 are connected to the clamping claws 34 through the electric telescopic rod 33, and the clamping claws 34 are used to clamp the support frame 14.

[0059] In one embodiment of the present invention, the electric telescopic rod 33 is driven to move vertically by the provided lead screw slide 32 , and the support frame 14 is installed and removed by the provided clamping claw 34 during the movement.

[0060] Specifically, when the support frame 14 needs to be replaced, a support frame 14 is first placed in the connecting box 28, and the replacement port 29 is aligned with the support frame 14 that needs to be replaced. The support frame 14 is first disassembled by the clamping claw 34, and then recovered to the connecting box 28 and moved upward. The support frame 14 below is moved upward and its disassembled part is pushed into the second processing tank 4 to realize the replacement of the support frame 14.

[0061] As an optional embodiment, a mounting plate 35 is fixedly connected to the support frame 14 , and the mounting plate 35 is connected to the second processing tank 4 via bolts 36 . A handle 37 is fixedly connected to the mounting plate 35 , and the clamping claw 34 is used to clamp the handle 37 .

[0062] In one embodiment of the present invention, the mounting plate 35 is provided to contact the outer side wall of the second processing tank 4 , and the mounting plate 35 is installed by screwing in the bolts 36 .

[0063] Specifically, the handle 37 facilitates the clamping of the clamping claw 34 to achieve installation and disassembly of the entire support frame 14. Before disassembly, the bolt 36 needs to be manually unscrewed.

[0064] In the description of the present invention, it should be understood that the terms "longitudinal", "transverse", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0065] The embodiments described above are merely descriptions of preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Without departing from the spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by persons skilled in the art should fall within the scope of protection defined by the claims of the present invention.

Claims

1. A VOCs waste gas treatment system, characterized in that: include: An exhaust gas collection box (1) for collecting VOCs exhaust gas; A spray treatment assembly comprises a first treatment tank (2) and a spray element, wherein the first treatment tank (2) is connected to the exhaust gas collection box (1) via a first pipe (3), and the spray element is arranged in the first treatment tank (2) for spraying the VOCs exhaust gas; An adsorption treatment assembly comprises a second treatment tank (4) and a plurality of adsorption components, wherein the second treatment tank (4) is connected to the first treatment tank (2) via a second pipe (5), and the plurality of adsorption components are axially arranged in the second treatment tank (4) for adsorption treatment of VOCs waste gas; A replacement component, comprising a connecting piece and a replacement piece, wherein the connecting piece is arranged on the second processing tank (4), and the replacement piece is arranged in the connecting piece, and is used for sealing and replacing the adsorption piece in the second processing tank (4); The adsorption member comprises a support frame (14), the top and bottom ends of the support frame (14) are fixedly connected to filter screens (15), a plurality of activated carbon blocks (16) are arranged between the two filter screens (15), the second treatment tank (4) is provided with a plurality of plug-in slots (17), the support frame (14) is adapted to the plug-in slots (17), and a sealing member is provided on the support frame (14), and the support frame (14) is sealedly connected to the plug-in slots (17) via the sealing member; A groove (18) is provided on the side wall of the support frame (14), a plurality of slide rods (19) are slidably connected in the groove (18), a sealing block (20) is fixedly connected to one end of the slide rod (19), a slider (21) is fixedly connected in the plug-in groove (17), the groove (18) is adapted to the slider (21), a sealing plate (22) is fixedly connected to the slider (21), and the sealing block (20) is arranged in contact with the sealing plate (22); Both sides of the support frame (14) are slidably connected to a push rod (23), one end of a plurality of connecting rods (24) is hinged on the push rod (23), and the other end of the connecting rod (24) is hinged to the slide rod (19), and a first spring (25) is sleeved on the push rod (23), and the two ends of the first spring (25) are fixedly connected to the push rod (23) and the support frame (14) respectively; The sealing plate (22) is an arc-shaped structure, and has protrusions (26) fixedly connected to both ends, and is configured so that when the sealing block (20) presses the sealing plate (22), the protrusions (26) come into contact with the inner wall of the groove (18); The connecting member comprises a lifting bracket (27), a connecting box (28) is fixedly connected to the lifting bracket (27), a replacement port (29) is provided on one side of the connecting box (28), an annular groove (30) is provided on the replacement port (29), a suction nozzle (31) is provided in the annular groove (30), and the suction nozzle (31) is provided in contact with the second processing tank (4); The replacement part comprises two screw slides (32) arranged on the connecting box (28), and the screw slides (32) are connected to clamping claws (34) via electric telescopic rods (33), and the clamping claws (34) are used to clamp the support frame (14).

2. A VOCs waste gas treatment system according to claim 1, characterized in that: The spraying member comprises a threaded rod (6) rotatably connected to the middle of the first treatment tank (2), a support ring (7) is threadedly connected to the threaded rod (6), one end of a spray pipe (8) is fixedly connected to the support ring (7) along the axial direction, the other end of the spray pipe (8) is fixedly connected to an outer ring (9), the outer ring (9) is in sliding contact with the inner wall of the first treatment tank (2), the spray pipes (8) are fixedly connected to a conduit (10), the conduit (10) is communicated with the external spray liquid, the spray pipes (8) are fixedly connected to a plurality of spray heads (11) along the axial direction, the top of the first treatment tank (2) is fixedly connected to a motor (12), and one end of the threaded rod (6) extends out of the first treatment tank (2) and is fixedly connected to the output shaft of the motor (12).

3. A VOCs waste gas treatment system according to claim 2, characterized in that: A guide rod (13) is fixedly connected to the first processing tank (2), the guide rod (13) is arranged parallel to the threaded rod (6), and the support ring (7) is sleeved on the guide rod (13) and slidably engaged with the guide rod (13).

4. A VOCs waste gas treatment system according to claim 1, characterized in that: A mounting plate (35) is fixedly connected to the support frame (14), the mounting plate (35) is connected to the second processing tank (4) via bolts (36), a handle (37) is fixedly connected to the mounting plate (35), and the clamping claw (34) is used to clamp the handle (37).

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