Volatile organic compound multi-stage adsorption treatment device

Abstract

The invention relates to the technical field of volatile organic compound treatment, in particular to a volatile organic compound multi-stage adsorption treatment device which comprises a reduction treatment structure, a grid baffle, a grid top plate, an adsorption treatment structure and a gas guide treatment structure, the side end of the reduction treatment structure is fixedly connected with the grid baffle, and the upper end of the grid baffle is fixedly connected with the grid top plate; the rear end of the reduction treatment structure communicates with the adsorption treatment structure, the side end of the grid top plate communicates with a treatment structure, and the reduction treatment structure comprises a sealing separation base, a control motor, a sealing protection block, a first heating rotating roller, a second heating rotating roller, an auxiliary heating base, a first fluted disc, a worm and a second fluted disc; the side end of the control motor is fixedly connected with the first heating rotating roller, the control motor is installed on a sealing protection block, and the side end of the sealing protection block is fixedly connected with a sealing separation base. And by arranging the reduction treatment structure and the adsorption treatment structure, volatile organic compound treatment work is facilitated.

Description

Technical Field

[0001] The invention relates to the technical field of volatile organic compound treatment, in particular to a multi-stage adsorption treatment device for volatile organic compounds. Background Art

[0002] VOCs (volatile organic compounds) are common pollutants in industrial waste gas. The emission of VOCs not only has a serious impact on the environment, such as causing the formation of haze and photochemical smog, but also poses a threat to human health. Therefore, effective control of VOCs and reduction of their emissions are inevitable requirements for protecting the environment and human health. For the control of VOCs, a variety of equipment and technologies have been widely used.

[0003] According to Chinese patent publication number CN220478486U, a multi-stage adsorption treatment device for volatile organic compounds is disclosed, including an adsorption tank assembly, the adsorption tank assembly including a first adsorption tank and a second adsorption tank; an adsorption pipeline assembly and a valve assembly. The arrangement of the pipeline, tank body and valve enables the device to have a high adaptability to working conditions. By controlling the opening and closing of the valve, two-stage series adsorption and parallel adsorption can be achieved when only two adsorption tanks are used. One-stage adsorption can also be performed when the exhaust concentration is low, and the device has a high equipment utilization rate.

[0004] At present, the existing multi-stage adsorption treatment device for volatile organic compounds is not convenient for continuous treatment during use, so that the adsorption tank and the reduction tank cannot work together efficiently, and the problem of inadequate adsorption easily occurs. Therefore, improvements are made to address the above problems. Summary of the invention

[0005] In view of the problems in the prior art, the present invention provides a multi-stage adsorption treatment device for volatile organic compounds.

[0006] The technical solution adopted by the present invention to solve the technical problem is: a multi-stage adsorption treatment device for volatile organic compounds, comprising a reduction treatment structure, a baffle plate, a grille top plate, an adsorption treatment structure and an air guide treatment structure, wherein the side end of the reduction treatment structure is fixedly connected with the baffle plate, the upper end of the baffle plate is fixedly connected with the grille top plate, the rear end of the reduction treatment structure is connected with the adsorption treatment structure, and the side end of the grille top plate is connected with the air guide treatment structure;

[0007] The reduction processing structure includes a sealing separator seat, a control motor, a sealing protection block, a first heating rotating roller, a second heating rotating roller, an auxiliary heating seat, a first toothed disc, a worm and a second toothed disc. The side end of the control motor is fixedly connected to the first heating rotating roller, and the control motor is installed on the sealing protection block. The side end of the sealing protection block is fixedly connected to the sealing separator seat, and the front end of the sealing separator seat is fixedly installed with the auxiliary heating seat. The side end of the first heating rotating roller is fixedly connected to the first toothed disc, and the side end of the first toothed disc is fixedly connected to the worm. The rear end of the first toothed disc is meshedly connected to the second toothed disc, and the side end of the second toothed disc is fixedly connected to the second heating rotating roller. The first heating rotating roller and the second heating rotating roller rotate in opposite directions.

[0008] Specifically, the adsorption processing structure includes a connecting control pipe, a docking transverse pipe, a connecting pump, a first reflux duct, a second reflux duct, a solenoid valve, an adsorption tank, a fixed base frame, an air guide pipe, a control valve and a channel pipe. The rear end of the connecting control pipe is connected to a docking transverse pipe, the rear end of the docking transverse pipe is connected to the adsorption tank through a solenoid valve, the upper end of the adsorption tank is connected to the second reflux duct, the front end of the second reflux duct is connected to a connecting pump, and the lower end of the connecting pump is connected to the first reflux duct.

[0009] The top of the adsorption tank is connected with a control valve, the upper end of the control valve is connected with a channel pipe, the side end of the channel pipe is connected with an air guide pipe, and the bottom of the adsorption tank is fixed by a fixed base frame support.

[0010] The adsorption treatment structure includes a transverse pipe, an exhaust branch pipe and a supporting and fixing guide rod. The upper end of the supporting and fixing guide rod supports the transverse pipe, and the rear end of the transverse pipe is connected to the exhaust branch pipe.

[0011] The air guide processing structure includes a control matching valve seat, an exhaust port, a control guide valve, a first connecting branch pipe, a second connecting branch pipe, a turbine and a third connecting branch pipe. The side end of the third connecting branch pipe is connected to the second connecting branch pipe, the rear end of the second connecting branch pipe is connected to the first connecting branch pipe, the rear end of the first connecting branch pipe is connected to the right side of the control matching valve seat through a pipe body, and the left side of the control matching valve seat is connected to the exhaust port.

[0012] Specifically, the control guide valve is rotatably connected in the control matching valve seat, and the front end of the control guide valve is fixed to the turbine, the connection position between the turbine and the second connecting branch pipe is sealed and protected, and the lower end of the turbine is meshed and connected with the worm.

[0013] The first reflux duct is connected with the upper end of the sealing partition seat, the liquid is conducted to the second reflux duct through the first reflux duct and the connecting pump, and the second reflux duct is connected with the adsorption tank to introduce the reducing liquid, the air guide pipe is connected with the docking cross pipe through the solenoid valve, and the docking cross pipe is connected with the side end of the sealing protection block through the connecting control pipe.

[0014] The first heating rotating roller, the second heating rotating roller and the auxiliary heating seat are all used for heating inside the sealed partition seat. The air guide pipe is connected to the adsorption tank through the channel pipe and the control valve, and the tube body at the lower end of the control valve is inserted into the bottom of the adsorption tank and inserted into the submerged position.

[0015] The upper end of the adsorption tank is connected to the cross pipe through an exhaust branch pipe for exhaust treatment, and the exhaust branch pipe is arranged above the liquid level through a pipe body, and the supporting fixed guide rod is fixedly connected to the fixed base frame.

[0016] The first connecting branch pipe and the control matching valve seat are sealed at the docking position, and the gas is transmitted from the right side of the control matching valve seat to the left side of the control matching valve seat through the rotation of the control guide valve, and the control matching valve seat is connected to the exhaust port for the introduction of exhaust gas.

[0017] Beneficial effects of the present invention:

[0018] 1. The present invention protects the connection position of the reduction treatment structure and the air guide treatment structure by setting a baffle plate and a grille top plate. The baffle plate and the grille top plate are fixed to perform top protection work. The sealing partition seat and the sealing protection block in the reduction treatment structure are fixed. The liquid is introduced through the side end of the sealing protection block, and a one-way valve is set at the introduction position so that the liquid is stored inside the sealing partition seat and the sealing protection block. At this time, the control motor works to drive the first heating rotating roller, the first gear disc, and the worm to rotate, and the first gear disc is meshed with the second gear disc, and can drive the second heating rotating roller to rotate in the opposite direction through the second gear disc, thereby stirring the liquid in the sealing partition seat and the sealing protection block, and the first heating rotating roller, the second heating rotating roller, and the auxiliary heating seat can heat the sealing partition seat and the sealing protection block to help restore the liquid. An exhaust pipe is provided at the rear end of the sealing partition seat to guide and discharge the reaction exhaust gas.

[0019] Second, the present invention adopts the structural setting of the adsorption treatment structure. The exhaust gas reaches the control valve through the air guide pipe and the channel pipe, and then reaches the sub-liquid position of the adsorption tank, contacts with the adsorption liquid, and performs volatile organic compound adsorption treatment. Then, it is discharged through the exhaust branch pipe and the cross pipe. At the same time, the adsorption liquid after the reaction can be introduced into the sealing partition seat and the sealing protection block through the solenoid valve, the docking cross pipe, and the connecting control pipe for reduction treatment. The reduction liquid refluxes to the interior of the adsorption tank through the first reflux conduit, the connecting pump, and the second reflux conduit for reciprocating use. The setting of the air guide treatment structure facilitates the introduction of exhaust gas. The exhaust gas is introduced through the third connecting branch pipe, the second connecting branch pipe, and the first connecting branch pipe. A pipe body is provided on the right side of the rear end of the first connecting branch pipe, which can be introduced into the control matching valve seat through the right position. At this time, the worm is meshed with the turbine to drive the turbine to rotate, so that the control guide valve rotates inside the control matching valve seat. Under the rotation of the control guide valve, the gas is discharged through the gap position, so that the exhaust gas is introduced into the air guide pipe through the exhaust port to perform regular exhaust gas introduction work. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the main body of the present invention from the front perspective;

[0022] Figure 2 It is a schematic diagram of the three-dimensional structure of the main body of the present invention from a side perspective;

[0023] Figure 3 It is a schematic diagram of the three-dimensional structure of the main body of the present invention from a rear perspective;

[0024] Figure 4 It is a split diagram of the main body in the present invention;

[0025] Figure 5 It is a disassembled diagram of the reduction treatment structure in the present invention;

[0026] Figure 6 It is a schematic diagram of the three-dimensional structure of the adsorption treatment structure of the present invention from a front perspective;

[0027] Figure 7 It is a three-dimensional rear view of the adsorption treatment structure of the present invention;

[0028] Figure 8 This is a disassembled diagram of the gas guide processing structure in the present invention.

[0029] In the figure: 1-reduction treatment structure, 2-baffle plate, 3-grid top plate, 4-adsorption treatment structure, 5-air guide treatment structure, 6-sealed partition seat, 7-control motor, 8-sealed protection block, 9-first heating rotating roller, 10-second heating rotating roller, 11-auxiliary heating seat, 12-first gear plate, 13-worm, 14-second gear plate, 15-connecting control pipe, 16-jointing cross pipe, 17-connecting pump, 18-first reflux duct, 19-second reflux duct, 20-solenoid valve, 21-adsorption tank, 22-fixed base frame, 23-air guide pipe, 24-control valve, 25-channel pipe, 26-cross pipe, 27-exhaust branch pipe, 28-support fixed guide rod, 29-control matching valve seat, 30-exhaust port, 31-control guide valve, 32-first connecting branch pipe, 33-second connecting branch pipe, 34-turbine, 35-third connecting branch pipe. DETAILED DESCRIPTION

[0030] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0031] The present invention is further described below in conjunction with the accompanying drawings.

[0032] Example

[0033] like Figure 1-8 As shown, a multi-stage adsorption treatment device for volatile organic compounds of the present invention comprises a reduction treatment structure 1, a baffle plate 2, a grille top plate 3, an adsorption treatment structure 4 and an air guide treatment structure 5, wherein the side end of the reduction treatment structure 1 is fixedly connected with the baffle plate 2, the upper end of the baffle plate 2 is fixedly connected with the grille top plate 3, the rear end of the reduction treatment structure 1 is connected with the adsorption treatment structure 4, and the side end of the grille top plate 3 is connected with the air guide treatment structure 5;

[0034] The reduction treatment structure 1 includes a sealing separation seat 6, a control motor 7, a sealing protection block 8, a first heating rotating roller 9, a second heating rotating roller 10, an auxiliary heating seat 11, a first toothed disc 12, a worm 13 and a second toothed disc 14. The side end of the control motor 7 is fixedly connected to the first heating rotating roller 9, and the control motor 7 is installed on the sealing protection block 8. The side end of the sealing protection block 8 is fixedly connected to the sealing separation seat 6. The front end of the sealing separation seat 6 is fixedly installed with the auxiliary heating seat 11. The side end of the first heating rotating roller 9 is fixedly connected to the first toothed disc 12. The side end of the first toothed disc 12 is fixedly connected to the worm 13. The rear end of the first toothed disc 12 is meshedly connected to the second toothed disc 14. The side end of the second toothed disc 14 is fixedly connected to the second heating rotating roller 10. The first heating rotating roller 9 and the second heating rotating roller 10 rotate in opposite directions. Through the setting of the baffle plate 2 and the grille top plate 3, the reduction treatment structure 1 and the air guide treatment structure 5 are performed. The connection position is protected, the baffle plate 2 and the grille top plate 3 are fixed, and the top protection work is performed. The sealing partition seat 6 and the sealing protection block 8 in the reduction treatment structure 1 are fixed, and the liquid is introduced through the side end of the sealing protection block 8, and a one-way valve is set at the introduction position so that the liquid is stored in the sealing partition seat 6 and the sealing protection block 8. At this time, the control motor 7 works to drive the first heating rotating roller 9, the first gear disc 12, and the worm 13 to rotate, and the first gear disc 12 is engaged with the second gear disc 14, and the second heating rotating roller 10 can be driven by the second gear disc 14 to rotate in the opposite direction, thereby stirring the liquid in the sealing partition seat 6 and the sealing protection block 8, and the first heating rotating roller 9, the second heating rotating roller 10, and the auxiliary heating seat 11 can heat the sealing partition seat 6 and the sealing protection block 8, thereby helping the liquid reduction, and an exhaust pipe is provided at the rear end of the sealing partition seat 6 to discharge the reaction exhaust gas.

[0035] The adsorption treatment structure 4 includes a connecting control pipe 15, a docking transverse pipe 16, a connecting pump 17, a first reflux conduit 18, a second reflux conduit 19, an electromagnetic valve 20, an adsorption tank 21, a fixed base frame 22, an air guide pipe 23, a control valve 24 and a channel pipe 25. The rear end of the connecting control pipe 15 is connected with the docking transverse pipe 16, and the rear end of the docking transverse pipe 16 is connected with the adsorption tank 21 through the electromagnetic valve 20. The upper end of the adsorption tank 21 is connected with the second reflux conduit 19, and the front end of the second reflux conduit 19 is connected with the connecting pump 17. The lower end of the connecting pump 17 is connected with the first reflux conduit 18. When the liquid in the adsorption tank 21 needs to be restored, the electromagnetic valve 20 is started at this time, so that the liquid is conducted to the docking transverse pipe 16 through the electromagnetic valve 20, and then through the connecting control pipe 15. Guide the inside of the sealing partition seat 6 and the sealing protection block 8. At this time, the first heating rotating roller 9 rotates in the sealing partition seat 6 and the sealing protection block 8, and the first heating rotating roller 9 can perform heating work. The side end of the first heating rotating roller 9 is fixed to the worm 13 through the first toothed disc 12, and the first toothed disc 12 is meshed and connected with the second toothed disc 14, thereby driving the second heating rotating roller 10 to rotate in the opposite direction. The second heating rotating roller 10 can also be heated. At the same time, the auxiliary heating seat 11 also performs heating work in the sealing partition seat 6 and the sealing protection block 8, so that the liquid is restored. The restored liquid is conducted through the first reflux conduit 18 and the connecting pump 17, and is guided to the inside of the second reflux conduit 19. After that, it can return to the inside of the adsorption tank 21 for circulation treatment.

[0036] The top of the adsorption tank 21 is connected to a control valve 24 , the upper end of the control valve 24 is connected to a channel pipe 25 , the side end of the channel pipe 25 is connected to an air guide pipe 23 , and the bottom of the adsorption tank 21 is supported and fixed by a fixed base frame 22 .

[0037] The adsorption treatment structure 4 includes a transverse pipe 26, an exhaust branch pipe 27 and a supporting fixed guide rod 28. The upper end of the supporting fixed guide rod 28 supports the transverse pipe 26. The rear end of the transverse pipe 26 is connected to the exhaust branch pipe 27. The connection position of the reduction treatment structure 1 and the air guide treatment structure 5 is protected by the baffle plate 2 and the grille top plate 3. The exhaust gas can be introduced through the third connecting branch pipe 35 and conducted through the second connecting branch pipe 33. The second connecting branch pipe 33 is connected to the first connecting branch pipe 32. The first connecting branch pipe 32 is connected to the right side of the control matching valve seat 29 through the pipe body to realize the conduction of the exhaust gas. At this time, the control motor 7 works to drive the first heating rotating roller 9 to rotate. , so that the first gear plate 12 and the worm 13 rotate accordingly, and the worm 13 is meshed with the turbine 34. At this time, the turbine 34 rotates, and the turbine 34 is fixed to the control guide valve 31, thereby driving the control guide valve 31 to rotate, and the exhaust gas is transmitted through the rotation of the control guide valve 31, so that the exhaust gas reaches the air guide pipe 23 through the exhaust port 30, the turbine 34 is connected with the channel pipe 25, and the lower end of the channel pipe 25 is connected with the control valve 24, so that the exhaust gas reaches the lower end of the liquid level of the adsorption tank 21. After the adsorption treatment of the liquid in the adsorption tank 21, the exhaust gas can be discharged through the exhaust branch pipe 27, and the exhaust branch pipe 27 is connected with the cross pipe 26 to transmit the treated exhaust gas.

[0038] The air guide processing structure 5 includes a control matching valve seat 29, an exhaust port 30, a control guide valve 31, a first connecting branch pipe 32, a second connecting branch pipe 33, a turbine 34 and a third connecting branch pipe 35. The side end of the third connecting branch pipe 35 is connected to the second connecting branch pipe 33, the rear end of the second connecting branch pipe 33 is connected to the first connecting branch pipe 32, the rear end of the first connecting branch pipe 32 is connected to the right side of the control matching valve seat 29 through the pipe body, and the left side of the control matching valve seat 29 is connected to the exhaust port 30.

[0039] The control guide valve 31 is rotatably connected in the control matching valve seat 29 , and the front end of the control guide valve 31 is fixed to the turbine 34 . The connection position between the turbine 34 and the second connecting branch pipe 33 is sealed and protected, and the lower end of the turbine 34 is meshed and connected to the worm 13 .

[0040] The first reflux duct 18 is connected to the upper end of the sealing partition seat 6, and the liquid is conducted to the second reflux duct 19 through the first reflux duct 18 and the connecting pump 17, and the second reflux duct 19 is connected to the adsorption tank 21 to introduce the reducing liquid, and the air guide pipe 23 is connected to the docking cross pipe 16 through the solenoid valve 20, and the docking cross pipe 16 is connected to the side end of the sealing protection block 8 through the connecting control pipe 15.

[0041] The first heating rotating roller 9, the second heating rotating roller 10 and the auxiliary heating seat 11 are all used for heating inside the sealed partition seat 6. The air guide pipe 23 is connected to the adsorption tank 21 through the channel pipe 25 and the control valve 24, and the tube body at the lower end of the control valve 24 is inserted into the bottom of the adsorption tank 21 and inserted into the submerged position.

[0042] The upper end of the adsorption tank 21 is connected to the cross pipe 26 through the exhaust branch pipe 27 for exhaust treatment, and the exhaust branch pipe 27 is arranged above the liquid level through the pipe body, and the supporting fixed guide rod 28 is fixedly connected to the fixed base frame 22.

[0043] The first connecting branch pipe 32 and the control matching valve seat 29 are sealed at the docking position. The gas is transmitted from the right side of the control matching valve seat 29 to the left side of the control matching valve seat 29 through the rotation of the control guide valve 31, and the control matching valve seat 29 is connected to the exhaust port 30 for the introduction of exhaust gas.

[0044] The working principle is as follows: when in use, the connection position of the reduction treatment structure 1 and the air guide treatment structure 5 is protected by the baffle plate 2 and the grille top plate 3, the exhaust gas can be introduced through the third connecting branch pipe 35, and is conducted through the second connecting branch pipe 33, and the second connecting branch pipe 33 is connected to the first connecting branch pipe 32, and the first connecting branch pipe 32 is connected to the right side of the control matching valve seat 29 through the pipe body to realize the conduction of the exhaust gas. At this time, the control motor 7 works to drive the first heating rotating roller 9 to rotate, so that the first toothed disc 12 and the worm gear 12 are connected to the first heating rotating roller 9, and the exhaust gas is discharged from the first toothed disc 12 and the worm gear 12. The rod 13 rotates accordingly, and the worm 13 is meshed with the turbine 34. At this time, the turbine 34 rotates, and the turbine 34 is fixed to the control guide valve 31, thereby driving the control guide valve 31 to rotate. The exhaust gas is transmitted through the rotation of the control guide valve 31, so that the exhaust gas reaches the air guide pipe 23 through the exhaust port 30. The turbine 34 is connected with the channel pipe 25, and the lower end of the channel pipe 25 is connected with the control valve 24, so that the exhaust gas reaches the lower end of the liquid level of the adsorption tank 21. After being adsorbed by the liquid in the adsorption tank 21, the exhaust gas can be discharged through the exhaust port 30. The gas branch pipe 27 is used for exhaust, and the exhaust branch pipe 27 is connected with the cross pipe 26 to transmit the treated waste gas. When the liquid in the adsorption tank 21 needs to be restored, the solenoid valve 20 is started at this time, so that the liquid is conducted to the docking cross pipe 16 through the solenoid valve 20, and then guided to the inside of the sealing partition seat 6 and the sealing protection block 8 through the connecting control pipe 15. At this time, the first heating rotating roller 9 rotates in the sealing partition seat 6 and the sealing protection block 8, and the first heating rotating roller 9 can perform heating work. The side end of the first heating rotating roller 9 is fixed to the worm 13 through the first gear disc 12, and the first gear disc 12 is meshed and connected with the second gear disc 14, thereby driving the second heating rotating roller 10 to rotate in the opposite direction, and the second heating rotating roller 10 can also be heated. At the same time, the auxiliary heating seat 11 also performs heating work in the sealing partition seat 6 and the sealing protection block 8, so that the liquid is restored. The restored liquid is conducted through the first reflux conduit 18 and the connecting pump 17, and is guided to the inside of the second reflux conduit 19, and then can return to the inside of the adsorption tank 21, thereby performing circulation treatment to complete the work.

[0045] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-stage adsorption treatment device for volatile organic compounds, characterized in that: The invention comprises a reduction processing structure (1), a baffle plate (2), a grille top plate (3), an adsorption processing structure (4) and an air guiding processing structure (5), wherein the side end of the reduction processing structure (1) is fixedly connected to the baffle plate (2), the upper end of the baffle plate (2) is fixedly connected to the grille top plate (3), the rear end of the reduction processing structure (1) is connected to the adsorption processing structure (4), and the side end of the grille top plate (3) is connected to the air guiding processing structure (5); The reduction treatment structure (1) comprises a sealing partition seat (6), a control motor (7), a sealing protection block (8), a first heating rotating roller (9), a second heating rotating roller (10), an auxiliary heating seat (11), a first toothed disc (12), a worm (13) and a second toothed disc (14); the side end of the control motor (7) is fixedly connected to the first heating rotating roller (9), and the control motor (7) is installed on the sealing protection block (8); the side end of the sealing protection block (8) is fixedly connected to the sealing partition seat (6); the front end of the sealing partition seat (6) is fixedly installed with the auxiliary heating seat (11); the side end of the first heating rotating roller (9) is fixedly connected to the first toothed disc (12); the side end of the first toothed disc (12) is fixedly connected to the worm (13); the rear end of the first toothed disc (12) is meshedly connected to the second toothed disc (14); the side end of the second toothed disc (14) is fixedly connected to the second heating rotating roller (10); the first heating rotating roller (9) and the second heating rotating roller (10) rotate in opposite directions.

2. The multi-stage adsorption treatment device for volatile organic compounds according to claim 1, characterized in that: The adsorption processing structure (4) comprises a connecting control pipe (15), a docking transverse pipe (16), a connecting pump (17), a first reflux conduit (18), a second reflux conduit (19), an electromagnetic valve (20), an adsorption tank (21), a fixed base frame (22), an air guide pipe (23), a control valve (24) and a channel pipe (25). The rear end of the connecting control pipe (15) is connected to the docking transverse pipe (16), the rear end of the docking transverse pipe (16) is connected to the adsorption tank (21) through the electromagnetic valve (20), the upper end of the adsorption tank (21) is connected to the second reflux conduit (19), the front end of the second reflux conduit (19) is connected to the connecting pump (17), and the lower end of the connecting pump (17) is connected to the first reflux conduit (18).

3. A multi-stage adsorption treatment device for volatile organic compounds according to claim 2, characterized in that: The top of the adsorption tank (21) is connected to a control valve (24), the upper end of the control valve (24) is connected to a channel pipe (25), the side end of the channel pipe (25) is connected to an air guide pipe (23), and the bottom of the adsorption tank (21) is supported and fixed by a fixed base frame (22).

4. The multi-stage adsorption treatment device for volatile organic compounds according to claim 3 is characterized in that: The adsorption treatment structure (4) comprises a transverse pipe (26), an exhaust branch pipe (27) and a supporting fixed guide rod (28), wherein the upper end of the supporting fixed guide rod (28) supports the transverse pipe (26), and the rear end of the transverse pipe (26) is connected to the exhaust branch pipe (27).

5. The multi-stage adsorption treatment device for volatile organic compounds according to claim 4 is characterized in that: The air guide processing structure (5) comprises a control matching valve seat (29), an exhaust port (30), a control guide valve (31), a first connecting branch pipe (32), a second connecting branch pipe (33), a turbine (34) and a third connecting branch pipe (35); the side end of the third connecting branch pipe (35) is connected to the second connecting branch pipe (33); the rear end of the second connecting branch pipe (33) is connected to the first connecting branch pipe (32); the rear end of the first connecting branch pipe (32) is connected to the right side of the control matching valve seat (29) through a pipe body; and the left side of the control matching valve seat (29) is connected to the exhaust port (30).

6. The multi-stage adsorption treatment device for volatile organic compounds according to claim 5, characterized in that: The control guide valve (31) is rotatably connected in the control matching valve seat (29), and the front end of the control guide valve (31) is fixed to the turbine (34). The connection position between the turbine (34) and the second connecting branch pipe (33) is sealed and protected, and the lower end of the turbine (34) is meshed and connected with the worm (13).

7. The multi-stage adsorption treatment device for volatile organic compounds according to claim 6, characterized in that: The first reflux conduit (18) is connected to the upper end of the sealing partition seat (6), and the liquid is conducted to the second reflux conduit (19) through the first reflux conduit (18) and the connecting pump (17), and the second reflux conduit (19) is connected to the adsorption tank (21) to introduce the reducing liquid, and the air guide pipe (23) is connected to the docking transverse pipe (16) through the electromagnetic valve (20), and the docking transverse pipe (16) is connected to the side end of the sealing protection block (8) through the connecting control pipe (15).

8. The multi-stage adsorption treatment device for volatile organic compounds according to claim 7, characterized in that: The first heating rotating roller (9), the second heating rotating roller (10) and the auxiliary heating seat (11) are all used for heating inside the sealed partition seat (6); the air guide pipe (23) is connected to the adsorption tank (21) through the channel pipe (25) and the control valve (24); and the tube body at the lower end of the control valve (24) is inserted into the bottom of the adsorption tank (21) and inserted to the sub-liquid position.

9. A multi-stage adsorption treatment device for volatile organic compounds according to claim 8, characterized in that: The upper end of the adsorption tank (21) is connected to the cross pipe (26) through an exhaust branch pipe (27) for exhaust treatment, and the exhaust branch pipe (27) is arranged above the liquid level through a pipe body, and a supporting fixed guide rod (28) is fixedly connected to the fixed base frame (22).

10. A multi-stage adsorption treatment device for volatile organic compounds according to claim 9, characterized in that: The first connecting branch pipe (32) and the control matching valve seat (29) are connected at a sealing position, and the gas is transmitted from the right side of the control matching valve seat (29) to the left side of the control matching valve seat (29) through the rotation of the control guide valve (31), and the control matching valve seat (29) is connected to the exhaust port (30) for the introduction of exhaust gas.

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