CN114307596A

CN114307596A - Industrial waste gas treatment and purification system

Info

Publication number: CN114307596A
Application number: CN202111505831.0A
Authority: CN
Inventors: 高永民
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-04-12

Abstract

The invention discloses an industrial waste gas treatment and purification system, which comprises a purification tower, wherein a waste gas outlet is fixedly arranged at the upper end of the purification tower, filter screens are respectively arranged at the left side and the right side of the purification tower, a drying cavity is arranged between the two filter screens, a purification cavity is arranged at the lower side of the drying cavity, a power motor is fixedly arranged on the lower side wall of the purification cavity, fan blades are dynamically connected to the upper end of the power motor, two bilaterally symmetrical push plates are arranged in the purification cavity in a sliding manner, a left-right opened waste gas inlet is fixedly arranged on the right end surface of the purification tower, two bilaterally symmetrical heating boxes are fixedly arranged on the upper side wall of the purification cavity, hot gas is provided by a heater to heat waste gas, so that the waste gas can more comprehensively react with a neutralizer, the purification efficiency is indirectly improved, the reacted neutralizer is collected far away from the fan blades through a chute, the waste gas is further blocked from flowing through a connecting pipe and a division plate, and the blockage of the open cavity and a dispersion plate is prevented, through intermittent air discharge, the neutralizer can be fully mixed with the waste gas in the purification cavity, and the purification effect is improved.

Description

Industrial waste gas treatment and purification system

Technical Field

The invention relates to the technical field of industrial waste gas treatment, in particular to an industrial waste gas treatment and purification system.

Background

Industrial waste gas refers to the collective term for the various pollutant-containing gases emitted into the air during the combustion and production processes of fuels in the factory area of an enterprise. At present, three-stage alkaline washing and activated carbon adsorption methods are generally adopted to treat process waste gas, but in long-term purification work, the dust adsorption capacity of activated carbon is gradually reduced, the activated carbon needs to be replaced manually and frequently, and meanwhile, waste gas contains dust particles, so that a cleaning opening is easily blocked in the alkaline washing process, and the purification capacity is reduced.

Disclosure of Invention

The object of the present invention is to provide an industrial waste gas treatment and purification system, which overcomes the above-mentioned drawbacks of the prior art.

The industrial waste gas treatment and purification system comprises a purification tower, wherein a waste gas outlet is fixedly arranged at the upper end of the purification tower, activated carbon for adsorbing residual water vapor is filled in the waste gas outlet, filter screens are respectively arranged at the left side and the right side of the purification tower, a drying cavity is arranged between the two filter screens, a purification cavity is arranged at the lower side of the drying cavity, a power motor is fixedly arranged on the lower side wall of the purification cavity, a power shaft is dynamically connected to the upper end of the power motor, fan blades are uniformly distributed on the periphery of the power shaft and used for gathering waste gas, two bilaterally symmetrical push plates are arranged in the purification cavity in a sliding manner, uniformly distributed open cavities are respectively formed in the left side and the right side of the two push plates, solvent tanks are fixedly arranged at the left side and the right side of the purification cavity, a mixing tank is fixedly arranged at the adjacent ends of the two solvent tanks, and a left-right open waste gas inlet is fixedly arranged on the right end surface of the purification tower, the waste gas entry with through the inlet pipeline intercommunication between the purification chamber, two bilateral symmetry's heating cabinet has set firmly on the last lateral wall in purification chamber, two just be located between the heating cabinet the last lateral wall in purification chamber has set firmly the detection case.

Preferably, a sliding cavity is formed in the lower side of the purification cavity, an upward spiral area is arranged on the periphery of the power shaft and is positioned in the sliding cavity, a sliding rod is slidably arranged on the right side wall of the sliding cavity and is slidably connected with the upward spiral area, a pull rope is connected onto the sliding rod, two bilaterally symmetrical rotating wheels are rotatably arranged on the lower side wall of the purification cavity, the sliding cavities are formed in the left side and the right side of the purification cavity, push blocks are slidably arranged in the two sliding cavities, a thrust spring and a driven rope are connected between the far ends of the two push blocks and the sliding cavity, the two push blocks are abutted against the push plate by the near ends, the two driven ropes extend downwards to be connected with the corresponding rotating wheels and then are connected with the pull rope, each fan blade is provided with an arc-shaped chute, and the open cavities on the left side and the right side are hinged with open plates by the near ends, the open cavity is wide at the position far away from the power shaft and narrow at the position close to the power shaft.

Preferably, two evenly distributed's fixed case has all set firmly in the mixing box, the homonymy be equipped with between the fixed case about opening the pump, the neutralizing agent has been held, two in the solvent incasement the mixing box is kept away from each other the end all communicates solvent pipe, two equal downwardly extending of solvent pipe gets into in the neutralizing agent, two the one end that the mixing box is close to each other all communicates there is the connecting pipe, the connecting pipe is crooked to be set up, two crooked about the connecting pipe with purify the chamber intercommunication, the connecting pipe has set firmly the dispersion board, two the upper end of mixing box with through the gas tube intercommunication between the dry chamber.

Preferably, the lower end surface of the detection box is fixedly provided with a switch valve, two air pressure plates which are symmetrical left and right and can slide left and right in the detection box are arranged in the detection box, one ends of the two air pressure plates which are close to each other are both connected with a brake rod, two bilateral symmetrical pressure sensors are fixedly arranged in the detection box, a gas spring is connected between the pressure sensor and the gas pressure plate, the far ends of the two gas pressure plates are both connected with an active rope, the rear side wall of the purification cavity is communicated with an air outlet pipe which extends upwards and is communicated with the waste gas outlet, the active rope is connected with a switch valve, the switch valve is connected with the air outlet pipe to control the on-off state of the air outlet pipe, the pressure sensor is used for reading a pressure index and is used for preventing the opening plate from being damaged due to the fact that the pressure in the purification cavity is too high.

Preferably, two the heater has all set firmly on the up end of heating cabinet, two all rotate in the heating cabinet and be connected with evenly distributed's pendulum leaf, every the pendulum leaf with all be connected with the torsional spring between the heating cabinet, two that the homonymy is adjacent all be connected with the driving rope between the pendulum leaf, purify the upside in chamber and set up two bilateral symmetry's sliding tray, two the push pedal is corresponding respectively the horizontal slip in the sliding tray, two the one end that the push pedal is close to each other all is connected with the pendulum rope, two the pendulum rope with the driving rope is connected.

Preferably, activated carbon is filled in the drying cavity, two collecting tanks and a recovery tank which are bilaterally symmetrical and have upward openings are fixedly arranged on the lower side wall of the purification cavity, the collecting tanks are used for collecting the mixture of the neutralizing agent and the air which cannot flow through the open cavity, and the recovery tank is used for collecting the reactant of the neutralizing agent and the industrial waste gas which drip from the chute.

The invention has the beneficial effects that: provide steam through the heater, make waste gas be heated, accelerate the velocity of motion of inside material, thereby can be more comprehensive react with the neutralizer, indirectly improve purification efficiency, through the spout, make the neutralizer after the reaction keep away from the flabellum under the blowing force effect of centrifugal force and push pedal along the spout, be retrieved and recycled by the accumulator, further block the exhaust circulation through connecting pipe and division board, prevent to open the chamber and block up with the dispersion plate, gassing through the intermittent type formula, make the neutralizer can be abundant mix with waste gas in purifying the chamber, improve purifying effect, through placing at the intraoral active carbon of waste gas outlet, absorb the neutralizer because volatile steam when placing for a long time.

Drawings

FIG. 1 is a schematic view of an industrial waste gas treatment and purification system according to the present invention;

FIG. 2 is a schematic diagram of the overall structure of an industrial waste gas treatment and purification system according to the present invention;

FIG. 3 is an enlarged schematic view of B of FIG. 2 according to the present invention;

FIG. 4 is an enlarged partial schematic view of the invention at the decontamination chamber of FIG. 2;

FIG. 5 is an enlarged schematic view of the present invention at the power motor of FIG. 2;

FIG. 6 is a schematic view of C of FIG. 2 of the present invention;

FIG. 7 is an enlarged schematic view of the invention at the push plate of FIG. 2;

in the figure:

10. a purification tower; 11. an exhaust gas outlet; 12. opening and closing the board; 13. a detection box; 14. swinging a rope; 15. a sliding groove; 16. an air outlet pipe; 17. a brake lever; 18. filtering with a screen; 19. a drying chamber; 20. an inflation tube; 21. a solvent tank; 22. a solvent tube; 23. a mixing box; 24. a fixed box; 25. pumping; 26. a connecting pipe; 27. a dispersion plate; 28. a neutralizing agent; 29. a purification chamber; 30. pushing the plate; 31. opening a cavity; 32. a push block; 33. a sliding cavity; 34. a thrust spring; 35. a driven rope; 36. a rotating wheel; 37. a power motor; 38. a power shaft; 39. an upward helical region; 40. a slide chamber; 41. a slide bar; 42. pulling a rope; 43. an exhaust gas inlet; 44. an inlet duct; 45. a fan blade; 46. a chute; 47. collecting tank; 48. a recovery tank; 49. a heater; 50. a heating box; 51. swinging the leaves; 52. a torsion spring; 53. a drive rope; 54. a gas pressure plate; 55. an active rope; 56. a gas spring; 57. an on-off valve; 58. a pressure sensor.

Detailed Description

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

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to the attached drawings 1-7, an industrial waste gas treatment and purification system according to an embodiment of the present invention includes a purification tower 10, a waste gas outlet 11 is fixedly disposed at an upper end of the purification tower 10, activated carbon for adsorbing residual water vapor is filled at the waste gas outlet 11, filter screens 18 are disposed at left and right sides of the purification tower 10, a drying cavity 19 is disposed between the two filter screens 18, a purification cavity 29 is disposed at a lower side of the drying cavity 19, a power motor 37 is fixedly disposed on a lower side wall of the purification cavity 29, an upper end of the power motor 37 is dynamically connected to a power shaft 38, blades 45 are uniformly distributed on an outer periphery of the power shaft 38, the blades 45 are used for gathering waste gas, two push plates 30 which are bilaterally symmetrical are slidably disposed in the purification cavity 29, open cavities 31 which are uniformly distributed are opened at left and right of the two push plates 30, solvent tanks 21 are fixedly disposed at left and right sides of the purification cavity 29, two solvent case 21 all sets firmly mixing box 23 near the end each other, set firmly on the right-hand member face of purification tower 10 and control the waste gas entry 43 of opening, waste gas entry 43 with through inlet pipeline 44 intercommunication between the purification chamber 29, set firmly two bilateral symmetry's heating cabinet 50 on the last lateral wall of purification chamber 29, two between the heating cabinet 50 and be located the last lateral wall of purification chamber 29 has set firmly detection case 13.

Optionally, a sliding cavity 40 is formed in the lower side of the purification cavity 29, an upward spiral area 39 is arranged in the sliding cavity 40 and on the periphery of the power shaft 38 and is located on the right side wall of the sliding cavity 40, a sliding rod 41 is slidably arranged on the right side wall of the sliding cavity 40, the sliding rod 41 is slidably connected with the upward spiral area 39, a pull rope 42 is connected to the sliding rod 41, two bilaterally symmetrical runners 36 are rotatably arranged on the lower side wall of the purification cavity 29, sliding cavities 33 are formed in the left side and the right side of the purification cavity 29, push blocks 32 are slidably arranged in the two sliding cavities 33, a thrust spring 34 and a driven rope 35 are connected between the ends of the two push blocks 32 away from each other and the sliding cavities 33, the two push blocks 32 abut against the push plate 30 near the proximal ends, the two driven ropes 35 extend downwards to connect with the corresponding runners 36 and then connect with the pull rope 42, and each fan blade 45 is provided with an arc-shaped chute 46, the left and right open cavities 31 are hinged with the open plates 12 by the near ends, the open cavities 31 are far away from the power shaft 38 and are wide and narrow near the power shaft 38, the power shaft 38 is driven to rotate by the work of the power motor 37, so that the fan blades 45 fixed on the periphery of the power shaft 38 rotate, industrial waste gas enters the purification cavity 29 through the inlet pipeline 44 by the connection of the waste gas inlet 43 and an industrial waste gas source, waste gas is gathered between the fan blades 45 under the rotation of the fan blades 45, when the power shaft 38 rotates, the upward spiral area 39 and the sliding rod 41 are connected in a sliding way, the sliding cavity 40 and the sliding rod 41 are connected in a sliding way, so that the rotating upward spiral area 39 can drive the sliding rod 41 to slide in the vertical direction, and the loosening and tightening of the pull rope 42 are controlled, under the transmission of the rotating wheels 36 on the left side and the right side, the two driven ropes 35 connected with the pull rope 42 are controlled to be loosened and tightened, so that the push block 32 slides left and right in the sliding cavity 33 under the spring force of the thrust spring 34, and further, the push block 30 slides left and right in the purification cavity 29 through the push block 32 abutted against the push plate 30, so that the air pressure change in the purification cavity 29 is controlled, and the exchange work of air is performed.

Optionally, two fixed boxes 24 are fixedly arranged in the two mixing boxes 23, a suction pump 25 which is opened from left to right is arranged between the fixed boxes 24 at the same side, a neutralizing agent 28 is contained in the solvent box 21, the ends of the two mixing boxes 23 which are far away from each other are communicated with solvent tubes 22, the two solvent tubes 22 extend downwards to enter the neutralizing agent 28, one ends of the two mixing boxes 23 which are close to each other are communicated with connecting tubes 26, the connecting tubes 26 are arranged in a bent manner, the two connecting tubes 26 are bent from left to right and communicated with the purification cavity 29, dispersion plates 27 are fixedly arranged in the connecting tubes 26, the upper ends of the two mixing boxes 23 are communicated with the drying cavity 19 through an inflation tube 20, dry air is extracted from the inflation tube 20 by the operation of the suction pump 25, the neutralizing agent 28 is extracted through the solvent tubes 22, and is mixed in the fixed boxes 24, the moist air that has neutralizer 28 after the mixture fills in the connecting pipe 26 disperse under the aperture effect on the dispersion plate 27 when the push pedal 30 moves about, push pedal 30 with atmospheric pressure between the connecting pipe 26 changes, and when atmospheric pressure becomes low, air and neutralizer 28 in the connecting pipe 26 pass through dispersion plate 27 is inhaled in the purification chamber 29, then in the removal of push pedal 30, through open the chamber 31 is concentrated, later through rushing open plate 12 gets into two in the purification chamber 29 between the push pedal 30 the rotation of flabellum 45 is down mixed with industrial waste gas, and then realizes the purification work of waste gas.

Optionally, a switch valve 57 is fixedly arranged on the lower end surface of the detection box 13, two bilateral symmetry pneumatic plates 54 capable of sliding left and right in the detection box 13 are arranged in the detection box 13, one end of each of the two pneumatic plates 54 close to each other is connected with the brake lever 17, two bilateral symmetry pressure sensors 58 are fixedly arranged in the detection box 13, a pneumatic spring 56 is connected between each of the pressure sensors 58 and the pneumatic plates 54, the end of each of the two pneumatic plates 54 away from each other is connected with an active rope 55, the rear side wall of the purification chamber 29 is communicated with the outlet pipe 16, the outlet pipe 16 extends upwards to be communicated with the exhaust gas outlet 11, the active rope 55 is connected with the switch valve 57, the switch valve 57 is connected with the outlet pipe 16 to control the opening and closing state of the outlet pipe 16, and the pressure sensor 58 is used for reading a pressure index to prevent the open-close plate 12 from being damaged due to an excessive pressure in the purification chamber 29, the pressure sensor 58 is used for detecting the pressure, so that the neutralizer 28 and the air at the solvent tank 21 are prevented from entering the purification cavity 29 due to the blockage of the air outlet pipe 16, industrial waste gas is filled in the purification cavity 29, the air pressure in the purification cavity 29 is detected through the air pressure plates 54, when the air pressure in the purification cavity 29 is larger than the spring thrust of the air pressure spring 56, the two air pressure plates 54 are close to each other, the air outlet pipe 16 is driven to be opened through the stretching of the driving rope 55, and the intermittent discharge work is carried out, so that the neutralizer 28 can be fully mixed with the waste gas in the purification cavity 29.

Optionally, heaters 49 are fixedly arranged on the upper end surfaces of the two heating boxes 50, the two heating boxes 50 are internally and rotatably connected with swing blades 51 which are uniformly distributed, each swing blade 51 is connected with a torsion spring 52 between the heating boxes 50, two swing blades 51 which are adjacent to each other at the same side are connected with a transmission rope 53, two bilateral symmetry sliding grooves 15 are formed in the upper side of the purification cavity 29, the two push plates 30 respectively slide left and right in the corresponding sliding grooves 15, one ends of the two push plates 30 which are close to each other are connected with swing ropes 14, the two swing ropes 14 are connected with the transmission rope 53, and through the left and right movement of the push plates 30, under the connection of the transmission rope 53 and the swing ropes 14, the swing blades 51 are controlled to swing along with the push plates 30, the heaters 49 work to provide hot air, so that waste gas is heated, and the movement speed of internal substances is accelerated, therefore, the catalyst can be reacted with the neutralizer 28 more comprehensively, and the purification efficiency is indirectly improved.

Optionally, activated carbon is filled in the drying cavity 19, two collecting tanks 47 and a recovery tank 48 which are bilaterally symmetrical and have upward openings are fixedly arranged on the lower side wall of the purifying cavity 29, the collecting tanks 47 are used for collecting the mixture of the neutralizing agent 28 and the air which cannot pass through the open cavity 31, and the recovery tank 48 is used for collecting the reactant of the neutralizing agent 28 and the industrial waste gas which drip from the chute 46.

The invention relates to an industrial waste gas treatment and purification system, which comprises the following working procedures:

the power motor 37 works to drive the power shaft 38 to rotate, so that the fan blades 45 fixed on the periphery of the power shaft 38 rotate, industrial waste gas enters the purification cavity 29 through the inlet pipeline 44 through the connection of the waste gas inlet 43 and an industrial waste gas source, the waste gas is gathered between the fan blades 45 under the rotation of the fan blades 45, when the power shaft 38 rotates, the rotating upward spiral area 39 can drive the sliding rod 41 to slide up and down through the sliding connection between the upward spiral area 39 and the sliding rod 41 as well as between the sliding cavity 40 and the sliding rod 41, so as to control the loosening and tightening of the pull rope 42, under the transmission of the rotating wheels 36 at the left side and the right side, two driven ropes 35 connected with the pull rope 42 are controlled to loosen and tighten, so that the push block 32 slides left and right in the sliding cavity 33 under the spring force of the thrust spring 34, and further passes through the push block 32 abutted against the push plate 30, the push plate 30 is slid in the purge chamber 29 in the left-right direction to control the change of the air pressure in the purge chamber 29, thereby performing the gas exchange operation.

The dry air is pumped from the gas charging pipe 20 by the operation of the pump 25, the neutralizer 28 is pumped by the solvent pipe 22 and mixed in the fixed box 24, the mixed wet air with the neutralizer 28 is charged into the connecting pipe 26 and is dispersed under the action of the small holes on the dispersion plate 27, when the push plate 30 moves left and right, the air pressure between the push plate 30 and the connecting pipe 26 changes, when the air pressure becomes low, the air and the neutralizer 28 in the connecting pipe 26 are sucked into the purifying cavity 29 through the dispersion plate 27, and then are concentrated through the open cavity 31 in the movement of the push plate 30, and then enter the purifying cavity 29 between the two push plates 30 by rushing through the open plate 12, and are mixed with industrial waste gas under the rotation of the fan blades 45, thereby realizing the purification work of the waste gas.

The pressure sensor 58 is used for detecting the pressure, so that the neutralizing agent 28 and the air at the solvent tank 21 can not enter the purification cavity 29 due to the blockage of the air outlet pipe 16, industrial waste gas is filled in the purification cavity 29, the air pressure in the purification cavity 29 is detected through the air pressure plates 54, when the air pressure in the purification cavity 29 is greater than the spring thrust of the air pressure spring 56, the two air pressure plates 54 are close to each other, the driving rope 55 is stretched to drive the air outlet pipe 16 to be opened, the intermittent discharge work is carried out, and the neutralizing agent 28 can be fully mixed with the waste gas in the purification cavity 29.

Through the left and right movement of the push plate 30, under the connection of the transmission rope 53 and the swing rope 14, the swing blade 51 is controlled to swing along with the push plate 30, the heater 49 works to provide hot gas, so that waste gas is heated, the movement speed of internal substances is accelerated, the waste gas can more comprehensively react with the neutralizer 28, and the purification efficiency is indirectly improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. An industrial waste gas treatment purification system, including a purification tower (10), characterized in that: the upper end of purifying column (10) has set firmly exhaust outlet (11), exhaust outlet (11) department is filled with the active carbon that is used for adsorbing surplus steam, filter screen (18) have all been seted up to the left and right sides of purifying column (10), two dry chamber (19) have been seted up between filter screen (18), clean chamber (29) have been seted up to the downside of dry chamber (19), power motor (37) have been set firmly on the lower lateral wall of clean chamber (29), the upper end power of power motor (37) is connected with power shaft (38), evenly distributed has flabellum (45) on the periphery of power shaft (38), flabellum (45) are used for gathering waste gas, slide in clean chamber (29) and be equipped with two bilateral symmetry's push pedal (30), two open chamber (31) that are equipped with evenly distributed about all on push pedal (30), the left and right sides of clean chamber (29) all sets firmly solvent tank (21), two solvent case (21) are leaned on the near-end each other and are all set firmly mixing box (23), set firmly on the right-hand member face of purification tower (10) about open waste gas entry (43), waste gas entry (43) with purify between chamber (29) through inlet pipeline (44) intercommunication, purification chamber (29) last lateral wall set firmly two bilateral symmetry's heating cabinet (50), two between heating cabinet (50) and be located purification chamber (29) last lateral wall set firmly detection case (13).

2. The industrial waste gas treatment and purification system according to claim 1, wherein: the lower side of the purification cavity (29) is provided with a sliding cavity (40), the periphery of the power shaft (38) is provided with an upward spiral area (39) in the sliding cavity (40), the right side wall of the sliding cavity (40) is provided with a sliding rod (41) in a sliding manner, the sliding rod (41) is connected with the upward spiral area (39) in a sliding manner, the sliding rod (41) is connected with a pull rope (42), the lower side wall of the purification cavity (29) is provided with two bilaterally symmetrical rotating wheels (36) in a rotating manner, the left side and the right side of the purification cavity (29) are both provided with sliding cavities (33), two sliding cavities (33) are both provided with push blocks (32) in a sliding manner, two push blocks (32) are far away from each other and connected between the sliding cavities (33) with a thrust spring (34) and a driven rope (35), and the two push blocks (32) are abutted against each other by the near end and the push plate (30), two driven rope (35) downwardly extending with correspond runner (36) connect the back with stay cord (42) are connected, every arc spout (46) have all been seted up on flabellum (45), the left and right sides open chamber (31) and all hinge to have open plywood (12) near the end each other, it keeps away from to open chamber (31) power shaft (38) department is wide, be close to power shaft (38) department is narrow.

3. The industrial waste gas treatment and purification system according to claim 2, wherein: two all set firmly evenly distributed's fixed case (24) in mixing box (23), the homonymy be equipped with between fixed case (24) about opening suction pump (25), hold neutralizer (28) in solvent case (21), two mixing box (23) keep away from each other the end all communicate and have solvent pipe (22), two equal downwardly extending entering of solvent pipe (22) in neutralizer (28), two the one end that mixing box (23) are close to each other all communicates and has connecting pipe (26), connecting pipe (26) crooked setting, two crooked about connecting pipe (26) with purification chamber (29) intercommunication, connecting pipe (26) internal set has dispersion board (27), two the upper end of mixing box (23) with through gas tube (20) intercommunication between dry chamber (19).

4. The industrial waste gas treatment and purification system according to claim 2, wherein: the device is characterized in that a switch valve (57) is fixedly arranged on the lower end face of the detection box (13), two air pressure plates (54) which are bilaterally symmetrical and can slide left and right in the detection box (13) are arranged in the detection box (13), one ends, close to each other, of the two air pressure plates (54) are connected with brake rods (17), two pressure sensors (58) which are bilaterally symmetrical are fixedly arranged in the detection box (13), an air pressure spring (56) is connected between each pressure sensor (58) and the air pressure plate (54), the ends, far away from each other, of the two air pressure plates (54) are connected with an active rope (55), an air outlet pipe (16) is communicated with the rear side wall of the purification cavity (29), the air outlet pipe (16) extends upwards and is communicated with the waste gas outlet (11), the active rope (55) is connected with the switch valve (57), and the switch valve (57) is connected with the air outlet pipe (16) to control the opening and closing state of the air outlet pipe (16), the pressure sensor (58) is used for reading a pressure index and preventing the pressure in the purifying cavity (29) from being too high to cause the damage of the opening plate (12).

5. The industrial waste gas treatment and purification system according to claim 1, wherein: two heater (49), two all set firmly on the up end of heating cabinet (50) equal rotation is connected with evenly distributed's pendulum leaf (51), every in heating cabinet (50) pendulum leaf (51) with all be connected with torsional spring (52) between heating cabinet (50), the homonymy adjacent two all be connected with driving rope (53) between pendulum leaf (51), the upside that purifies chamber (29) is seted up two bilateral symmetry's sliding tray (15), two push pedal (30) are corresponding respectively the horizontal slip in sliding tray (15), two the one end that push pedal (30) are close to each other all is connected with pendulum rope (14), two pendulum rope (14) with driving rope (53) are connected.

6. The industrial waste gas treatment and purification system according to claim 3, wherein: the drying chamber (19) is internally provided with activated carbon, two bilaterally symmetrical collecting grooves (47) and a recovery groove (48) with upward openings are fixedly arranged on the lower side wall of the purifying chamber (29), the collecting grooves (47) are used for collecting a mixture of the neutralizing agent (28) and air which cannot rush through the opening chamber (31), and the recovery groove (48) is used for collecting reactants of the neutralizing agent (28) and industrial waste gas which drip from the sliding groove (46).