CN212974621U

CN212974621U - Waste gas treatment device is used in production of N-methyl-1-naphthylmethylamine

Info

Publication number: CN212974621U
Application number: CN202021700330.9U
Authority: CN
Inventors: 卞月江; 刘俊立; 高跃; 刘宏卫
Original assignee: Shandong Xingshun New Material Co ltd
Current assignee: Shandong Xingshun New Material Co ltd
Priority date: 2020-08-15
Filing date: 2020-08-15
Publication date: 2021-04-16
Anticipated expiration: 2030-08-15

Abstract

The utility model discloses a waste gas treatment device is used in production of N-methyl-1-naphthylmethylamine relates to exhaust-gas treatment equipment technical field, to current N-methyl-1-naphthylmethylamine in the in-process of production and processing, can produce the problem of certain waste gas, now proposes following scheme, and it is including handling the box, first treatment chamber, second treatment chamber, fourth treatment chamber and retaining chamber have been seted up to the inside of handling the box, the top of handling the box is fixed with the water pump, the input of water pump is connected with the inlet tube, the one end that the water pump was kept away from to the inlet tube extends to the inside in retaining chamber, the output of water pump is connected with the outlet pipe. The utility model discloses can spray and filtration many times to the waste gas that produces in the N-methyl-1-naphthylmethylamine production process, and can carry out filtration treatment to the inside processing water liquid of exhaust-gas treatment device to can carry out cleaning treatment to the filter unit among the exhaust-gas treatment device, exhaust-gas treatment efficiency is fast, and working property is high.

Description

Waste gas treatment device is used in production of N-methyl-1-naphthylmethylamine

Technical Field

The utility model relates to a waste gas treatment equipment technical field especially relates to a waste gas treatment device is used in production of N-methyl-1-naphthylmethylamine.

Background

N-methyl-1-naphthylmethylamine is a chemical in light red brown liquid.

In the process of producing and processing N-methyl-1-naphthylmethylamine, certain waste gas is generated, the generated waste gas can diffuse into a workshop for producing N-methyl-1-naphthylmethylamine, and the waste gas diffused into the workshop for producing N-methyl-1-naphthylmethylamine can reduce the precision of instruments in the workshop and even damage the body of workers in the workshop.

SUMMERY OF THE UTILITY MODEL

The utility model provides a waste gas treatment device is used in production of N-methyl-1-naphthylmethylamine, has solved N-methyl-1-naphthylmethylamine in the in-process of production and processing, can produce the problem of certain waste gas.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the waste gas treatment device for the production of the N-methyl-1-naphthylmethylamine comprises a treatment box body, wherein a first treatment cavity, a second treatment cavity, a fourth treatment cavity and a water storage cavity are formed in the treatment box body, a water pump is fixed at the top of the treatment box body, the input end of the water pump is connected with a water inlet pipe, one end, far away from the water pump, of the water inlet pipe extends into the water storage cavity, the output end of the water pump is connected with a water outlet pipe, one end, far away from the water pump, of the water outlet pipe extends into the first treatment cavity and is fixed on the inner wall of the top of the first treatment cavity, a plurality of spray heads are arranged on the water outlet pipe on the inner wall of the top of the first treatment cavity, an air inlet groove is formed in the inner wall between the first treatment cavity and the second treatment cavity, a first filter screen is embedded in the inner wall between the second treatment cavity and the fourth treatment cavity, the below of second filter screen is equipped with filters the box, the inside packing that filters the box has the active carbon granule, a plurality of inlet ports have been seted up to the filtration box, the diameter of active carbon granule is greater than the aperture of inlet port, the intake pipe is installed at the top of handling the box left end, the intake pipe is corresponding with first processing chamber, the outlet duct is installed to the bottom of handling the box right-hand member, the outlet duct is corresponding with fourth processing chamber, the outlet duct is located the below of filtering the box.

Preferably, the inside in retaining chamber is fixed with the feed cylinder, and the water inlet pipe that is located retaining intracavity portion advances the top at the feed cylinder left end, the inside of feed cylinder is equipped with the worm that transversely sets up, the both ends of worm rotate respectively through the bearing and connect on the inner wall in retaining chamber, the outer wall of worm is fixed to have cup jointed helical blade, helical blade rotates the cover and establishes in the inside of feed cylinder, the inlet tube is located helical blade's left side, helical blade's right side is equipped with the third filter screen, the third filter screen is fixed in the inside of feed cylinder, the inlet has been seted up to the bottom of feed cylinder right-hand member, the inlet is located the right side of third filter screen, the inner wall of feed cylinder left end bottom rotates through the bearing and is connected with the pivot of vertical setting, the other end of pivot extends to the inside in retaining chamber to rotate through the bearing and connect on the inner wall at retaining chamber, the fixed cover of pivot outer wall that is located into liquid cylinder inside has connect the worm wheel, worm wheel and worm meshing work, the fixed cover of pivot outer wall that is located retaining intracavity portion has connect the action wheel, the top of second filter screen is rotated through the bearing and is connected with the axis of rotation of vertical setting, the other end of axis of rotation passes through the bearing and rotates the inner wall of connecting at fourth treatment chamber top, the outer wall of axis of rotation is fixed to have cup jointed from the driving wheel, the action wheel is equipped with the belt with the outside from the driving wheel, action wheel, from driving wheel and belt transmission cooperation work, the outer wall at axis of rotation both ends all is fixed with the cleaning brush of horizontal setting, and the brush hair that is located the cleaning brush at axis of rotation top contacts with first filter screen, and the brush.

Preferably, one side of the outer part of the treatment box body is hinged with a movable door through a hinge, and a sealing ring is arranged on the outer wall of the movable door along the circumferential direction.

Preferably, a connecting groove is formed in the inner wall between the fourth treatment cavity and the water storage cavity, and the belt is connected inside the connecting groove in a sliding mode.

Preferably, the top of the liquid inlet cylinder is provided with a rotary groove, and the rotary shaft is rotatably connected inside the rotary groove.

Preferably, a liquid discharge pipe is installed at the top of the left side of the treatment box body, the liquid discharge pipe corresponds to the first treatment cavity, a butterfly valve is installed in the middle of the liquid discharge pipe, a liquid injection valve is installed in the middle of the left side of the treatment box body, and the water storage cavity corresponds to the liquid injection valve.

The utility model discloses in:

through the cooperation of the treatment box body, the first treatment cavity, the second treatment cavity, the fourth treatment cavity, the water storage cavity, the water pump, the water inlet pipe, the water outlet pipe, the spray head, the air inlet groove, the first filter screen, the second filter screen, the filtration box body, the activated carbon particles, the air inlet pipe, the air outlet pipe, the liquid inlet cylinder, the worm, the helical blade, the third filter screen, the liquid inlet port, the rotating shaft, the worm wheel, the driving wheel, the rotating shaft, the driven wheel, the belt, the cleaning brush and the movable door, the waste gas generated in the production process of the N-methyl-1-naphthylmethylamine can be sprayed and filtered for a plurality of times, so that harmful substances in the waste gas can be effectively removed, the harmful substances in the waste gas can be prevented from invading the body of workers in a workshop, and the treated water liquid in the waste gas treatment device can be filtered, so that the spraying part of the waste, thereby effectual improvement spray set's life to can carry out cleaning to the filter element among the exhaust treatment device, thereby avoid filter element after long-time filtering operation, filter element's filtration pore is blockked up by the impurity in the waste gas, thereby lead to filter element's filtration rate to reduce, thereby effectual improvement filter element's permeability can, and then effectual improvement exhaust treatment device's working property.

To sum up, the utility model discloses can spray and filtration many times to the waste gas that produces in the N-methyl-1-naphthylmethylamine production process, and can carry out filtration treatment to the inside processing water liquid of exhaust-gas treatment device to can carry out cleaning to the filter unit among the exhaust-gas treatment device, exhaust-gas treatment efficiency is fast, and working property is high.

Drawings

FIG. 1 is a schematic structural view of an apparatus for treating waste gas from the production of N-methyl-1-naphthylmethylamine;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a front view of the waste gas treatment device for producing N-methyl-1-naphthylmethylamine of the present invention.

Reference numbers in the figures: 1. a treatment box body; 2. a first processing chamber; 3. a second processing chamber; 4. a fourth processing chamber; 5. a water storage cavity; 6. a water pump; 7. a water inlet pipe; 8. a water outlet pipe; 9. a spray head; 10. an air inlet groove; 11. a first filter screen; 12. a second filter screen; 13. a filter box body; 14. activated carbon particles; 15. an air inlet pipe; 16. an air outlet pipe; 17. a liquid inlet cylinder; 18. a worm; 19. a helical blade; 20. a third filter screen; 21. a liquid inlet; 22. a rotating shaft; 23. a worm gear; 24. a driving wheel; 25. a rotating shaft; 26. a driven wheel; 27. a belt; 28. a cleaning brush; 29. a movable door.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a waste gas treatment device for N-methyl-1-naphthylmethylamine production comprises a treatment box body 1, a first treatment cavity 2, a second treatment cavity 3, a fourth treatment cavity 4 and a water storage cavity 5 are arranged in the treatment box body 1, a water pump 6 is fixed at the top of the treatment box body 1, the input end of the water pump 6 is connected with a water inlet pipe 7, one end of the water inlet pipe 7, which is far away from the water pump 6, extends into the water storage cavity 5, the output end of the water pump 6 is connected with a water outlet pipe 8, one end of the water outlet pipe 8, which is far away from the water pump 6, extends into the first treatment cavity 2 and is fixed on the inner wall of the top of the first treatment cavity 2, a plurality of spray heads 9 are arranged on the water outlet pipe 8 on the inner wall of the top of the first treatment cavity 2, an air inlet groove 10 is arranged on the inner wall between the first treatment cavity 2 and the second treatment cavity, a second filter screen 12 is fixed inside the fourth processing chamber 4, a filter box body 13 is arranged below the second filter screen 12, activated carbon particles 14 are filled inside the filter box body 13, the filter box body 13 is provided with a plurality of air inlet holes, the diameter of the activated carbon particles 14 is larger than the aperture of the air inlet holes, an air inlet pipe 15 is arranged at the top of the left end of the processing box body 1, the air inlet pipe 15 corresponds to the first processing chamber 2, an air outlet pipe 16 is arranged at the bottom of the right end of the processing box body 1, the air outlet pipe 16 corresponds to the fourth processing chamber 4, the air outlet pipe 16 is positioned below the filter box body 13, when a user needs to use an exhaust gas treatment device to treat exhaust gas generated in the production process of the N-methyl-1-naphthylmethylamine, sufficient exhaust gas can be injected into the first processing chamber 2 through the air inlet pipe 15 at the moment, and water inside the water storage chamber 5, the water entering the water inlet pipe 7 at this time can raise dust to the inside of the water outlet pipe 8 through the water pump 6, the water entering the water outlet pipe 8 at this time can be sprayed through the spray head 9, the waste gas inside the first treatment cavity 2 can be sprayed through the water sprayed through the spray head 9 at this time, the waste gas after spraying treatment can pass through the air inlet groove 10 and enter the inside of the second treatment cavity 3, the waste gas entering the inside of the second treatment cavity 3 at this time can enter the inside of the fourth treatment cavity 4 through the filtration of the first filter screen 11, the waste gas entering the inside of the fourth treatment cavity 4 at this time can be filtered by the second filter screen 12, the waste gas filtered by the second filter screen 12 at this time can enter the inside of the filter box body 13 through the air inlet hole, the waste gas entering the inside of the filter box body 13 at this time can be adsorbed by the activated carbon particles 14, the waste gas adsorbed by the activated carbon particles 14 at this time can be discharged through the air inlet hole at the bottom of the filter At this time, the waste gas after being treated by the harmful substances for many times is discharged through the gas outlet pipe 16, so that the harmful substances in the waste gas are prevented from invading the body of workers in the workshop.

A liquid inlet cylinder 17 is fixed inside the water storage cavity 5, the width of the water storage cavity 5 is larger than the diameter of the liquid inlet cylinder 17, a water inlet pipe 7 positioned inside the water storage cavity 5 is connected with the top of the left end of the liquid inlet cylinder 17, a transversely arranged worm 18 is arranged inside the liquid inlet cylinder 17, two ends of the worm 18 are respectively and rotatably connected with the inner wall of the water storage cavity 5 through bearings, a spiral blade 19 is fixedly sleeved on the outer wall of the worm 18, the spiral blade 19 is rotatably sleeved inside the liquid inlet cylinder 17, the water inlet pipe 7 is positioned on the left side of the spiral blade 19, a third filter screen 20 is arranged on the right side of the spiral blade 19, the third filter screen 20 is fixed inside the liquid inlet cylinder 17, a liquid inlet 21 is arranged at the bottom of the right end of the liquid inlet cylinder 17, the liquid inlet 21 is positioned on the right side of the third filter screen 20, a vertically arranged rotating shaft 22 is rotatably connected with the inner wall, the cleaning brush is rotatably connected to the inner wall of the top of the water storage cavity 5 through a bearing, a worm wheel 23 is fixedly sleeved on the outer wall of a rotating shaft 22 positioned in the liquid inlet cylinder 17, the worm wheel 23 is meshed with a worm 18 to work, a driving wheel 24 is fixedly sleeved on the outer wall of the rotating shaft 22 positioned in the water storage cavity 5, the top of the second filter screen 12 is rotatably connected with a rotating shaft 25 which is vertically arranged through a bearing, the other end of the rotating shaft 25 is rotatably connected to the inner wall of the top of the fourth processing cavity 4 through a bearing, a driven wheel 26 is fixedly sleeved on the outer wall of the rotating shaft 25, a belt 27 is arranged outside the driving wheel 24 and the driven wheel 26, the driving wheel 24, the driven wheel 26 and the belt 27 are in transmission fit to work, cleaning brushes 28 which are transversely arranged are fixed on the outer walls of two ends of the rotating shaft 25, bristles of the cleaning brushes 28 positioned, and when inlet tube 7 extraction water liquid of retaining chamber 5 inside, the inside water liquid of retaining chamber 5 this moment will enter into the inside of feed liquor cylinder 17 through inlet 21, then enter into the inside of inlet tube 7 through feed liquor cylinder 17, the inside water liquid of feed liquor cylinder 17 that enters into this moment will pass through third filter screen 20, accessible third filter screen 20 filters the inside water liquid that enters into feed liquor cylinder 17 this moment, thereby avoid the inside water liquid of retaining chamber 5 to contain impurity, thereby cause shower nozzle 9 to block up, thereby effectual improvement shower nozzle 9's life.

When water liquid in the water storage cavity 5 enters the liquid inlet cylinder 17 through the liquid inlet 21, the water liquid entering the liquid inlet cylinder 17 will push the spiral blade 19 to rotate, the spiral blade 19 rotating at this time will drive the worm 18 to rotate, the worm wheel 23 can be driven to rotate by the rotating worm 18 at this time, the rotating shaft 22 can be driven to rotate by the rotating worm wheel 23 at this time, the driving wheel 24 can be driven to rotate by the rotating shaft 22 at this time, the belt 27 can be driven to operate by the rotating driving wheel 24 at this time, the driven wheel 26 can be driven to rotate by the operating belt 27 at this time, the rotating shaft 25 can be driven to rotate by the rotating driven wheel 26 at this time, the cleaning brush 28 can be driven to rotate by the rotating shaft 25 at this time, the first filter screen 11 and the second filter screen 12 can be cleaned by the rotating cleaning brush 28 respectively, thereby avoid first filter screen 11 and second filter screen 12 after long-time filtering operation, the filtration pore of first filter screen 11 and second filter screen 12 is blockked up by the impurity in the waste gas, thereby lead to the filtration rate of first filter screen 11 and second filter screen 12 to reduce, thereby the permeability of effectual improvement first filter screen 11 and second filter screen 12, and then the effectual working property who improves exhaust treatment device.

One side of the outer part of the treatment box body 1 is hinged with a movable door 29 through a hinge, the outer wall of the movable door 29 is provided with a sealing ring along the circumferential direction, and a user can conveniently overhaul and maintain the parts in the treatment box body 1 through opening the movable door 29.

The inner wall between the fourth treatment chamber 4 and the water storage chamber 5 is provided with a connecting groove, the belt 27 is connected inside the connecting groove in a sliding manner, and the belt 27 can slide flexibly through the connecting groove.

The rotating groove is formed in the top of the liquid inlet cylinder 17, the rotating shaft 22 is rotatably connected to the inside of the rotating groove, and the rotating shaft 22 can flexibly rotate through the rotating groove.

The liquid discharge pipe is installed at the top of the left side of the processing box body 1 and corresponds to the first processing cavity 2, a butterfly valve is installed in the middle of the liquid discharge pipe, and redundant water liquid inside the first processing cavity 2 can be discharged through the liquid discharge pipe by opening the butterfly valve.

The middle part of the left side of the treatment box body 1 is provided with a liquid injection valve, the water storage cavity 5 corresponds to the liquid injection valve, and sufficient water liquid can be injected into the water storage cavity 5 through the liquid injection valve.

The working principle is as follows: when a user needs to use the waste gas treatment device to treat waste gas generated in the production process of the N-methyl-1-naphthylmethylamine, sufficient waste gas can be injected into the first treatment cavity 2 through the air inlet pipe 15, the water pump 6 can be operated to drive the water inlet pipe 7 to extract water in the water storage cavity 5, the water entering the water inlet pipe 7 can raise dust to the interior of the water outlet pipe 8 through the water pump 6, the water entering the interior of the water outlet pipe 8 can be sprayed out through the spray head 9, the waste gas in the interior of the first treatment cavity 2 can be sprayed and treated through the water sprayed out from the spray head 9, the waste gas after spraying treatment can enter the interior of the second treatment cavity 3 through the air inlet groove 10, the waste gas entering the interior of the second treatment cavity 3 can enter the interior of the fourth treatment cavity 4 through the filtration of the first filter screen 11, at this time, the waste gas entering the fourth processing chamber 4 will be filtered by the second filter screen 12, at this time, the waste gas filtered by the second filter screen 12 will enter the inside of the filtering box 13 through the air inlet hole, at this time, the waste gas entering the inside of the filtering box 13 will be adsorbed by the activated carbon particles 14, at this time, the waste gas adsorbed by the activated carbon particles 14 will be discharged through the air inlet hole at the bottom of the filtering box 13, at this time, the waste gas after being treated by the harmful substances for many times will be discharged through the air outlet pipe 16, thereby preventing the harmful substances in the waste gas from invading the body of the workshop workers, and when the water inlet pipe 7 extracts the water in the water storage chamber 5, at this time, the water in the water storage chamber 5 will enter the inside of the liquid inlet cylinder 17 through the liquid inlet cylinder 21, then enter the inside of the water inlet pipe 17, at this time, the water entering the inside of the liquid inlet, at this time, the water liquid entering the liquid inlet cylinder 17 can be filtered by the third filter screen 20, so as to prevent the water liquid inside the water storage cavity 5 from containing impurities, thereby causing the blockage of the spray head 9, thereby effectively prolonging the service life of the spray head 9, and when the water liquid inside the water storage cavity 5 enters the liquid inlet cylinder 17 through the liquid inlet 21, the water liquid entering the liquid inlet cylinder 17 will push the helical blade 19 to rotate, at this time, the rotating helical blade 19 will drive the worm 18 to rotate, at this time, the worm wheel 23 can be driven to rotate by the rotating worm wheel 23, the rotating shaft 22 can be driven to rotate by the rotating worm wheel 23, at this time, the driving wheel 24 can be driven to rotate by the rotating shaft 22, at this time, the belt 27 can be driven to operate by the rotating driving wheel 24, at this time, the belt 27 can be driven to rotate, accessible pivoted driven wheel 26 this moment, it rotates to drive axis of rotation 25, accessible pivoted axis of rotation 25 drives cleaning brush 28 this moment and rotates, accessible pivoted cleaning brush 28 cleans first filter screen 11 and second filter screen 12 respectively this moment, thereby avoid first filter screen 11 and second filter screen 12 after long-time filtering operation, the filtration pore of first filter screen 11 and second filter screen 12 is blockked up by the impurity in the waste gas, thereby lead to the filtration rate of first filter screen 11 and second filter screen 12 to reduce, thereby the effectual permeability of first filter screen 11 of improvement and second filter screen 12, and then the effectual working property who improves exhaust-gas treatment device.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The waste gas treatment device for the production of the N-methyl-1-naphthylmethylamine comprises a treatment box body (1) and is characterized in that a first treatment cavity (2), a second treatment cavity (3), a fourth treatment cavity (4) and a water storage cavity (5) are formed in the treatment box body (1), a water pump (6) is fixed to the top of the treatment box body (1), the input end of the water pump (6) is connected with a water inlet pipe (7), one end, far away from the water pump (6), of the water inlet pipe (7) extends to the inside of the water storage cavity (5), the output end of the water pump (6) is connected with a water outlet pipe (8), one end, far away from the water pump (6), of the water outlet pipe (8) extends to the inside of the first treatment cavity (2) and is fixed to the inner wall of the top of the first treatment cavity (2), and a plurality of spray heads (9) are installed on the water outlet pipe (8) located on the, an air inlet groove (10) is formed in the inner wall between the first treatment cavity (2) and the second treatment cavity (3), a first filter screen (11) is embedded in the inner wall between the second treatment cavity (3) and the fourth treatment cavity (4), a second filter screen (12) is fixed inside the fourth treatment cavity (4), a filtering box body (13) is arranged below the second filter screen (12), activated carbon particles (14) are filled inside the filtering box body (13), a plurality of air inlet holes are formed in the filtering box body (13), the diameter of the activated carbon particles (14) is larger than the aperture of the air inlet holes, an air inlet pipe (15) is installed at the top of the left end of the treatment box body (1), the air inlet pipe (15) corresponds to the first treatment cavity (2), an air outlet pipe (16) is installed at the bottom of the right end of the treatment box body (1), and the air outlet pipe (16) corresponds to the fourth treatment cavity (4), the air outlet pipe (16) is positioned below the filtering box body (13).

2. The waste gas treatment device for the production of N-methyl-1-naphthylmethylamine as claimed in claim 1, wherein a liquid inlet barrel (17) is fixed inside the water storage cavity (5), a water inlet pipe (7) located inside the water storage cavity (5) is connected to the top of the left end of the liquid inlet barrel (17), a transversely arranged worm (18) is arranged inside the liquid inlet barrel (17), two ends of the worm (18) are respectively and rotatably connected to the inner wall of the water storage cavity (5) through bearings, a helical blade (19) is fixedly sleeved on the outer wall of the worm (18), the helical blade (19) is rotatably sleeved inside the liquid inlet barrel (17), the water inlet pipe (7) is located on the left side of the helical blade (19), a third filter screen (20) is arranged on the right side of the helical blade (19), and the third filter screen (20) is fixed inside the liquid inlet barrel (17), inlet (21) have been seted up to the bottom of liquid inlet cylinder (17) right-hand member, inlet (21) are located the right side of third filter screen (20), the inner wall of liquid inlet cylinder (17) left end bottom rotates through the bearing and is connected with pivot (22) of vertical setting, the other end of pivot (22) extends to the inside of retaining chamber (5) to rotate through the bearing and connect on the inner wall at retaining chamber (5) top, the pivot (22) outer wall that is located liquid inlet cylinder (17) inside has fixed cover and has connect worm wheel (23), worm wheel (23) and worm (18) meshing work, pivot (22) outer wall that is located retaining chamber (5) inside has fixed cover and has connect action wheel (24), the top of second filter screen (12) is connected with rotation axis (25) of vertical setting through the bearing rotation, the other end of rotation axis (25) passes through the bearing rotation and connects on the inner wall at fourth processing chamber (4) top, the outer wall of axis of rotation (25) is fixed to be cup jointed from driving wheel (26), action wheel (24) and the outside from driving wheel (26) are equipped with belt (27), action wheel (24), follow driving wheel (26) and belt (27) transmission cooperation work, the outer wall at axis of rotation (25) both ends all is fixed with horizontal cleaning brush (28) that set up, and the brush hair that is located cleaning brush (28) at axis of rotation (25) top contacts with first filter screen (11), and the brush hair that is located cleaning brush (28) of axis of rotation (25) bottom contacts with second filter screen (12).

3. The waste gas treatment device for N-methyl-1-naphthylmethylamine production according to claim 1, wherein a movable door (29) is hinged to one side of the outside of the treatment box body (1) through a hinge, and a sealing ring is arranged on the outer wall of the movable door (29) along the circumferential direction.

4. The waste gas treatment device for N-methyl-1-naphthylmethylamine production according to claim 2, wherein a coupling groove is formed in the inner wall between the fourth treatment chamber (4) and the water storage chamber (5), and the belt (27) is slidably connected to the inside of the coupling groove.

5. The waste gas treatment device for N-methyl-1-naphthylmethylamine production according to claim 2, wherein a rotary tank is arranged at the top of the liquid inlet cylinder (17), and the rotating shaft (22) is rotatably connected inside the rotary tank.

6. The waste gas treatment device for N-methyl-1-naphthylmethylamine production according to claim 1, wherein a liquid discharge pipe is installed at the top of the left side of the treatment box body (1), the liquid discharge pipe corresponds to the first treatment chamber (2), a butterfly valve is installed in the middle of the liquid discharge pipe, a liquid injection valve is installed in the middle of the left side of the treatment box body (1), and the water storage chamber (5) corresponds to the liquid injection valve.