CN219879459U

CN219879459U - Tail gas treatment device

Info

Publication number: CN219879459U
Application number: CN202321009845.8U
Authority: CN
Inventors: 侯文斌; 刘康
Original assignee: Xi'an Jiaheng Heat Treatment Co ltd
Current assignee: Xi'an Jiaheng Heat Treatment Co ltd
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2023-10-24
Anticipated expiration: 2033-04-28

Abstract

The utility model relates to a tail gas treatment device, which relates to the technical field of tail gas treatment and comprises a sedimentation cylinder and a spraying device, wherein the telescopic sedimentation cylinder is provided with an air inlet, an air outlet and a slag hole, an air inlet pipe is arranged at the air inlet, the air inlet pipe is fixedly connected with the sedimentation cylinder, the air outlet is provided with an air outlet pipe, and the air outlet is fixedly connected with the sedimentation cylinder; the spray device comprises a first water inlet pipe and a mounting ring, wherein the sedimentation cylinder is provided with a through hole, the mounting ring is positioned in the inner cavity of the sedimentation cylinder and fixedly connected with the sedimentation cylinder, the first water inlet pipe penetrates through the through hole and is fixedly connected with the mounting ring, the mounting ring is provided with a plurality of atomizing nozzles, the atomizing nozzles are fixedly connected with the mounting ring, and the first water inlet pipe is communicated with the mounting ring. The utility model has the effect of … ….

Description

Tail gas treatment device

Technical Field

The utility model relates to the technical field of tail gas treatment, in particular to a tail gas treatment device.

Background

In metal processing, heat treatment is an important link, and the heat treatment is a metal heat processing technology for obtaining expected tissues and performances of materials by means of heating, heat preservation, cooling and pressure change under the condition of solid state. Some processes require the addition of a certain amount of liquid ammonia to obtain certain new properties for the relevant materials, but at the same time produce a large amount of solid particles and a small amount of ammonia gas to leak out.

In the related art, when solid particles are treated, an adsorption method is mostly adopted, a collection tank is generally arranged, and a plurality of layers of filter screens are arranged in an inner cavity of the collection tank, so that air flow containing the solid particles sequentially passes through the plurality of layers of filter screens, and the filter screens can adsorb the solid particles in the air flow, so that the diffusion of the particles to the external environment is reduced.

To the above-mentioned related art, there is the life that has the filter screen to have certain scope, when surpassing certain scope after, can lead to the adsorption capacity of filter screen to descend, needs operating personnel to change the filter screen this moment, increases operating personnel's work burden, needs to pause the heat treatment work this moment etc. to make the efficiency of work reduce by a wide margin.

Disclosure of Invention

In order to facilitate the adsorption of solid particles in gas and the cleaning of the adsorbed particles, the utility model provides an exhaust gas treatment device.

The utility model provides a tail gas treatment device, which adopts the following technical scheme:

the tail gas treatment device comprises a sedimentation cylinder and a spraying device, wherein the telescopic sedimentation cylinder is provided with an air inlet, an air outlet and a slag outlet, the air inlet is provided with an air inlet pipe, the air inlet pipe is fixedly connected with the sedimentation cylinder, the air outlet is provided with an air outlet pipe, and the air outlet is fixedly connected with the sedimentation cylinder;

the spray device comprises a first water inlet pipe and a mounting ring, wherein the sedimentation cylinder is provided with a through hole, the mounting ring is positioned in the inner cavity of the sedimentation cylinder and fixedly connected with the sedimentation cylinder, the first water inlet pipe penetrates through the through hole and is fixedly connected with the mounting ring, the mounting ring is provided with a plurality of atomizing nozzles, the atomizing nozzles are fixedly connected with the mounting ring, and the first water inlet pipe is communicated with the mounting ring.

Through adopting above-mentioned technical scheme, the air current that contains a large amount of solid particulate matters is discharged from the factory building and enters into the intake pipe, and enter into the inner chamber of settling cask through the air inlet, wear to locate the first inlet tube of through-hole simultaneously and supply water to the connecting pipe, connecting pipe and collar intercommunication, make water can enter into the inner chamber of collar, the collar is equipped with a plurality of atomizer, water sprays the inner chamber of settling cask behind the atomizer, adsorb and subside the solid particulate matters in the settling cask inner chamber gas, can effectively reduce the concentration of the solid particulate matters in the settling cask inner chamber gas, the gas leaves the settling cask by the gas outlet of settling cask lateral wall afterwards. The liquid with a large amount of solid particles falls to the bottom of the sedimentation cylinder under the action of gravity, and is settled and kept stand at the bottom, and simultaneously, solid-liquid separation is carried out, three layers of cleaner liquid are led out, at the moment, mud and the like can leave the sedimentation cylinder from a slag hole, and further, heat treatment is not required to be stopped, and meanwhile, solid particles in the air can be adsorbed and cleaned.

Optionally, still include cleaning device, cleaning device includes cleaning component, the subsider is equipped with the round hole, cleaning component includes electric putter, holding ring and second inlet tube, electric putter is located the inner chamber of subsider, electric putter is used for the drive the holding ring slides along vertical direction, the second water inlet wear to locate the round hole and with holding ring fixed connection, the rigid coupling has a plurality of high-pressure shower nozzles on the holding ring, the second inlet tube the holding ring with high-pressure shower nozzle intercommunication.

Through adopting above-mentioned technical scheme, after accomplishing the absorption, there is a large amount of liquid drops to carry a large amount of particulate matters, adheres to the lateral wall of settling cask, and after the time extension, probably can dry and be fixed in the inner wall of settling cask. At this moment, the electric putter drive support ring moves along vertical direction, and the second wears to locate the round hole to supply water to the support ring, be equipped with high-pressure nozzle on the support ring, can carry out the pressure boost to the water in the support ring, and spray the inner wall of subsider with water, wash the solid particle thing that adheres to the subsider lateral wall, prevent water droplet and solid particle thing solidification.

Optionally, cleaning device still includes scrapes the material subassembly, scrape the material subassembly and include motor, gear, ring gear and scraping the flitch, the motor is fixed in the inner chamber of setting drum just is used for the drive the gear is rotatory, setting drum coaxial is equipped with the spacing groove, the ring gear is located the inner chamber of spacing groove, just the ring gear with setting drum rotates to be connected, the gear with the ring gear meshing, scrape the flitch butt in setting drum's inner wall and with ring gear fixed connection.

Through adopting above-mentioned technical scheme, the high-pressure rivers can not necessarily all wash clean with the particulate matter of settling cask lateral wall entirely, need the scraper blade to scrape the material to the inner wall of settling cask this moment. The motor drives the gear to rotate, the gear meshes with the toothed ring, the toothed ring can rotate in the limiting groove, the limiting ring can limit the slow rotation, the toothed ring is prevented from rotating to the outer cavity, the scraping plate is fixedly connected with the toothed ring and is abutted to the inner wall of the sedimentation cylinder, at the moment, the motor drives the gear to rotate, the gear drives the toothed ring to rotate, and the toothed ring drives the scraping plate to rotate, so that water drops and solid particles on the side wall of the sedimentation cylinder can be cleaned.

Optionally, the cleaning device further comprises a pushing assembly, the pushing assembly comprises a hydraulic cylinder and a pushing plate, the hydraulic cylinder is fixedly connected with the settling drum, the driving direction of the hydraulic cylinder is consistent with the opening direction of the slag hole, the pushing plate is positioned in the inner cavity of the settling drum and is fixedly connected with a telescopic rod of the hydraulic cylinder, both side walls of the pushing plate are respectively provided with an avoidance groove, the inner cavity of the avoidance groove is provided with a scraping plate and a spring, one end of the spring is fixedly connected with the pushing plate, and the other end of the spring is fixedly connected with the scraping plate; the push plate is rotationally connected with the sedimentation cylinder.

Through adopting above-mentioned technical scheme, when the bottom of subsider is equi-position to liquid and solid particulate matter, and accomplish and keep still the layering after, open the slag notch of bottom, pneumatic cylinder drive scraper blade motion this moment, along with the change of subsider diameter, the scraper blade is under the effect of spring, and the edge of scraper blade is and laminate in the lateral wall of subsider throughout, increases when the diameter, and the spring pops up the scraper blade from dodging the groove, and when the diameter descends, the scraper blade moves towards the direction that is close to each other, the spring compresses. Until the slurry and the like are pushed to the slag outlet and discharged from the slag outlet.

Optionally, still include recovery unit, recovery unit includes cylinder, drain pipe and water pump, the subsider is equipped with the liquid outlet, the cylinder is located the inner chamber of subsider, drain pipe one end with the water pump intercommunication, the other end wear to locate the liquid outlet just with the telescopic link fixed connection of cylinder.

Through adopting above-mentioned technical scheme, after liquid and solid particulate matter accomplish the layering, the supernatant on upper strata can retrieve or recycle to the drain pipe extends to the inner chamber of settling cask through the liquid outlet to be fixed in the telescopic link department of cylinder, cylinder drive telescopic link motion this moment can drive the drain pipe and follow vertical direction motion, can collect the supernatant of not co-altitude. When reaching the preset height, the water pump is started, and the water pump can separate the clear liquid in the inner cavity of the sedimentation cylinder from the sedimentation cylinder through the liquid outlet pipe.

Optionally, the air inlet is provided with a brush, the brush is fixedly connected with the sedimentation cylinder, and the brush is used for shielding the air inlet.

Through adopting above-mentioned technical scheme, the brush can carry out the shielding of a certain amount with the air inlet, and the water smoke can adhere to the surface of brush after with the brush contact, prevents that the water smoke of settling cask inner chamber from entering into the intake pipe, prevents simultaneously to condense in the intake pipe, prevents that liquid from flowing backward.

Optionally, the side wall of the scraping plate contacted with the sedimentation cylinder is in a blade shape, and the direction of the blade is towards the side wall of the sedimentation cylinder and is consistent with the rotation direction of the scraping plate.

Through adopting above-mentioned technical scheme, the edge of scraping the flitch is the sword strip, more is convenient for scrape solid particle thing and the liquid of settling cask inner wall, and then promotes the work efficiency of scraping the material, makes the lateral wall of settling cask inner chamber keep clean.

Optionally, the drain pipe is kept away from the one end of water pump is equipped with and collects the cover, collect the cover with drain pipe fixed connection, the inner chamber of collecting the cover is equipped with the filter screen, the filter screen with collect cover fixed connection.

Through adopting above-mentioned technical scheme, collect the collection area that covers can increase the drain pipe, and then improve the drain pipe to the collection efficiency of liquid. The filter screen can effectively prevent solid particles in the liquid from entering the collecting cover, so that the liquid pumped by the water pump keeps a certain crystallinity and provides a basis for the subsequent related operation.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. through setting up spray set, can adsorb the air current that contains solid particulate matter in the settling cask inner chamber, make solid particulate matter and water smoke contact, and then make solid particulate matter subside, reduce the concentration of solid particulate matter in the gas;

2. by arranging the cleaning device, the inner wall of the sedimentation cylinder and the settled slurry can be cleaned, so that the cleaning efficiency of the device is further improved, the working strength of operators is reduced, and the working efficiency of the operators is improved;

3. by arranging the recovery device, the supernatant after sedimentation can be sucked and recovered, and subsequent related operations are prepared.

Drawings

FIG. 1 is a schematic view of the overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of an embodiment of the present utility model;

FIG. 3 is a schematic view of the structure of the air inlet;

FIG. 4 is an enlarged schematic view of portion A of FIG. 2;

figure 5 is a schematic cross-sectional view of a push plate.

Reference numerals: 1. a sedimentation cylinder; 11. an air inlet; 111. an air inlet pipe; 12. an air outlet; 13. a brush; 14. a through hole; 15. a round hole; 16. a limit groove; 17. a slag outlet; 171. a baffle; 18. a liquid outlet; 2. a spraying device; 21. a first water inlet pipe; 22. a support tube; 23. a mounting ring; 24. a connecting pipe; 25. an atomizing nozzle; 3. a cleaning device; 31. cleaning the assembly; 311. an electric push rod; 312. a support ring; 313. a guide rod; 314. a fixing ring; 315. a second water inlet pipe; 316. a high pressure nozzle; 32. a scraping assembly; 321. a motor; 322. a gear; 323. a toothed ring; 324. a scraping plate; 33. a pushing component; 331. a hydraulic cylinder; 332. a push plate; 333. an avoidance groove; 334. a scraper; 335. a spring; 4. a recovery device; 41. a cylinder; 42. a mounting frame; 43. a liquid outlet pipe; 44. a water pump; 45. a collection cover; 46. and (5) a filter screen.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-5.

The embodiment of the utility model discloses a tail gas treatment device.

Referring to fig. 1 and 2, an exhaust gas treatment device includes a settling cask 1, a spray device 2, a cleaning device 3, and a recovery device 4.

Referring to fig. 1 and 2, in the present embodiment, the settling drum 1 is preferably a hollow cylindrical settling drum 1, and the top wall of the settling drum 1 is provided with an air inlet 11 penetrating in the vertical direction. An air inlet pipe 111 is arranged at the air inlet 11, an oil smoke filtering device is arranged on the air inlet pipe 111, the oil smoke filtering device is fixedly connected with the air inlet pipe 111 in a screw fixing mode, and the oil smoke filtering device is communicated with the air inlet pipe 111; one end of the air inlet pipe 111 is communicated with a smoke outlet of the factory building, and the other end of the air inlet pipe is penetrated through the air inlet 11 of the settling cask 1 and is fixedly connected with the settling cask 1 in a screw fixing mode. One end of the side wall of the sedimentation cylinder 1, which is close to the air inlet 11, is provided with an air outlet 12 in a penetrating way along the horizontal direction, the air outlet 12 is provided with an air outlet pipe, and the air outlet pipe is fixedly connected with the sedimentation cylinder 1 in a screw fixing way.

Referring to fig. 3, a plurality of groups of brushes 13 are disposed at the air inlet 11, and the brushes 13 are uniformly distributed along the inner wall of the air inlet 11 in the axial direction, in this embodiment, the length of the brushes 13 is slightly greater than the radius of the air inlet 11, and the brushes 13 are fixedly connected with the air inlet 11 by means of screw fixation.

Referring to fig. 1 and 2, the top wall of the sedimentation cylinder 1 is provided with a through hole 14 in a penetrating manner along a vertical direction, the spraying device 2 comprises a first water inlet pipe 21, a support pipe 22 and a plurality of mounting rings 23, the support pipe 22 is vertically arranged and penetrates through the through hole 14, the axis of the support pipe 22 is parallel to the axis of the sedimentation cylinder 1, in this embodiment, the shape of the mounting rings 23 is preferably circular, the number of the mounting rings is preferably three, the mounting rings are distributed at intervals along the length direction of the support pipe 22, a connecting pipe 24 is arranged at the outer side of each mounting ring 23, one end of each connecting pipe 24 is welded with the support pipe 22, and the other end of each connecting pipe is welded with the mounting ring 23. Each mounting ring 23 is provided with a plurality of atomizing nozzles 25 which are uniformly distributed along the circumferential direction of the mounting plate, the atomizing nozzles 25 are fixedly connected with the mounting plate in a welding mode, and the spraying direction of the atomizing nozzles 25 is upward towards the wall of the sedimentation cylinder 1 and is inclined. One end of the first water inlet pipe 21 is connected with a water source, and the other end of the first water inlet pipe penetrates through the through hole 14 and is fixedly connected with the supporting pipe 22 through a hoop. In this embodiment, the first water inlet pipe 21, the support pipe 22, the connection pipe 24, the mounting ring 23 and the atomizer head 25 are communicated.

Referring to fig. 1 and 2, the cleaning device 3 includes a cleaning assembly 31, and a circular hole 15 is formed through the top wall of the settling drum 1 in the vertical direction, and the cleaning assembly 31 includes an electric push rod 311, a support ring 312, a guide rod 313 and a fixing ring 314. The cleaning component 31 is installed in the inner cavity of the sedimentation cylinder 1, the shell of the electric push rod 311 is fixed on the top wall of the sedimentation cylinder 1 through a screw, and the driving direction of the electric push rod 311 is the vertical direction, in the embodiment, the shape of the supporting ring 312 is preferably a circular ring, the diameter of the supporting ring 312 is larger than that of the mounting ring 23, the supporting ring 312 is fixed on the telescopic rod of the electric push rod 311 through a screw, the guide rod 313 is vertically placed, and the length direction of the guide rod 313 is parallel to the driving direction of the electric push rod 311. The guide bar 313 is located to solid fixed ring 314 cover, and can follow guide bar 313 and slide, gu fixed ring 314 and holding ring 312 pass through screw fixed connection, are equipped with second inlet tube 315 and a plurality of high pressure shower nozzle 316 on the holding ring 312, and second inlet tube 315 one end is connected with the water source, and the other end wears to locate behind the round hole 15 and communicates with holding ring 312, and high pressure shower nozzle 316 just through welded mode and holding ring 312 fixed connection along the circumference equipartition of holding ring 312, and the injection direction of high pressure shower nozzle 316 is towards the section of thick bamboo wall of settling cask 1 and slope downwards.

Referring to fig. 2 and 4, the cleaning device 3 further includes a scraping assembly 32, the scraping assembly 32 is located in the inner cavity of the settling drum 1, the scraping assembly 32 includes a motor 321, a gear 322, a toothed ring 323 and a plurality of scraping plates 324, in this embodiment, the motor 321 is preferably a servo motor, the housing of the motor 321 is fixed on the top wall of the settling drum 1 through a screw, the gear 322 is coaxially fixed on the output shaft of the motor 321 through a key connection mode, a limit groove 16 is coaxially arranged on the side wall of the settling drum 1, the toothed ring 323 is located in the inner cavity of the limit groove 16 and can slide along the limit groove 16, and the gear 322 is meshed with the toothed ring 323. In this embodiment, the number of scraping plates 324 is preferably three, and the scraping plates 324 are uniformly distributed along the circumference of the toothed ring 323, the scraping plates 324 are fixedly connected with the toothed ring 323 in a welding manner, the scraping plates 324 are vertically arranged, the side walls of the scraping plates 324 are abutted against the side walls of the settling cask 1, the contact part of the scraping plates 324 and the inner cavity of the settling cask 1 is in a blade shape, and the inclination direction is toward the inner wall of the settling cask 1 and is consistent with the rotation direction of the scraping plates 324.

Referring to fig. 2 and 5, the cleaning device 3 further comprises a pushing component 33, the side wall of the settling drum 1 is provided with a slag hole 17 away from the slag hole 17, a baffle 171 is arranged at the slag hole 17, and the baffle 171 is elastically hinged with the settling drum 1 through a torsion spring. The pushing component 33 comprises a hydraulic cylinder 331 and a push plate 332, wherein the outer shell of the hydraulic cylinder 331 is fixed on the outer wall of the sedimentation cylinder 1 through screws, the driving direction of the hydraulic cylinder 331 is parallel to the opening direction of the slag hole 17, a baffle 171 is fixed on a telescopic rod of the hydraulic cylinder 331 through a screw fixing mode, two side walls of the baffle 171 perpendicular to the driving direction are respectively provided with an avoidance groove 333, an inner cavity of the avoidance groove 333 is provided with a scraping plate 334 and a spring 335, one end of the spring 335 is fixedly connected with the scraping plate 334 through screws, and the other end of the spring 335 is fixedly connected with the push plate 332 through screws. In this embodiment, the push plate 332 and the bottom plate are all vertically placed, and the bottom wall of the bottom plate of the push plate 332 is all abutted against the bottom wall of the inner cavity of the sedimentation cylinder 1, and the edges of the bottom plates at two sides of the push plate 332 are all always abutted against the inner wall of the receiving cylinder.

Referring to fig. 2, the recovery device 4 includes a cylinder 41, a mounting frame 42, a liquid outlet pipe 43 and a water pump 44, the top wall of the sedimentation cylinder 1 is provided with a liquid outlet 18 along the vertical direction in a penetrating manner, the shell of the cylinder 41 is fixed on the top wall of the inner cavity of the sedimentation cylinder 1 by a screw, the mounting frame 42 is fixed on the top wall of the cylinder 41 by a screw fixing manner, one end of the liquid outlet pipe 43 is fixedly connected with the water pump 44, and the other end of the liquid outlet pipe 43 is fixedly connected with the mounting frame 42 by a hoop after penetrating through the liquid outlet 18. The drain pipe 43 is kept away from the one section of water pump 44 and is equipped with and collects cover 45, collects cover 45 and pass through the mode of screw fixation and drain pipe 43 fixed connection, and the inner chamber of collecting cover 45 is equipped with the filter screen, and the filter screen passes through the mode of screw fixation and collects cover 45 fixed connection.

The implementation principle of the tail gas treatment device provided by the embodiment of the utility model is as follows: when the air flow is treated, the air flow is guided by the air inlet pipe 111, passes through the hairbrush 13 and enters the inner cavity of the settling cask 1.

The first water inlet pipe 21 supplies water to the mounting ring 23, and is sprayed out from the atomizing nozzle 25 on the mounting ring 23, so that solid particles in the inner cavity of the settling cask 1 are settled and adsorbed, and fall to the bottom of the settling cask 1.

After the completion of one round of absorption, at this moment, the electric putter 311 drives support ring 312 and moves along vertical direction, and second inlet tube 315 supplies water for support ring 312, and by the high-pressure shower nozzle 316 on the support ring 312 with water blowout, wash the inner wall of settling cask 1, simultaneously motor 321 drive gear 322 is rotatory, and gear 322 drives ring gear 323 and rotates, and ring gear 323 drives scrapes the flitch 324 and scrapes the material to settling cask 1 inner wall, makes the water droplet of inner wall and the residue of solid particle as much as possible scrape. The cylinder 41 drives the liquid outlet pipe 43 to move in the vertical direction, so that the collecting cover 45 is positioned below the liquid level, and the clear liquid at the top of the sedimentation cylinder 1 is pumped out by the water pump 44.

At this time, the hydraulic cylinder 331 drives the push plate 332 to push the slurry, and meanwhile, the scrapers 334 on two sides of the push plate 332 pop out from the avoiding groove 333, so that two ends of the scrapers 334 are always abutted against the inner wall of the settling cylinder 1, and finally the slurry is discharged from the slag hole 17.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. An exhaust gas treatment device, characterized in that: the device comprises a sedimentation cylinder (1) and a spraying device (2), wherein the telescopic sedimentation cylinder (1) is provided with an air inlet (11), an air outlet (12) and a slag outlet (17), an air inlet pipe (111) is arranged at the air inlet (11), the air inlet pipe (111) is fixedly connected with the sedimentation cylinder (1), the air outlet (12) is provided with an air outlet pipe, and the air outlet (12) is fixedly connected with the sedimentation cylinder (1);

spray set (2) are including first inlet tube (21) and collar (23), subside section of thick bamboo (1) and be equipped with through-hole (14), collar (23) are located subside the inner chamber of section of thick bamboo (1), and with subside section of thick bamboo (1) fixed connection, first inlet tube (21) wear to locate through-hole (14) and with collar (23) fixed connection, collar (23) are equipped with a plurality of atomizer (25), atomizer (25) with collar (23) fixed connection, just first inlet tube (21) collar (23) with atomizer (25) intercommunication.

2. An exhaust gas treatment device according to claim 1, wherein: still include cleaning device (3), cleaning device (3) are including cleaning component (31), subside section of thick bamboo (1) and be equipped with round hole (15), cleaning component (31) are including electric putter (311), support ring (312) and second inlet tube (315), electric putter (311) are located subside the inner chamber of section of thick bamboo (1), electric putter (311) are used for the drive support ring (312) are along vertical direction slip, and the second water inlet wears to locate round hole (15) and with support ring (312) fixed connection, the rigid coupling has a plurality of high-pressure nozzle (316) on support ring (312), second inlet tube (315) support ring (312) with high-pressure nozzle (316) intercommunication.

3. An exhaust gas treatment device according to claim 2, wherein: cleaning device (3) still include scraping material subassembly (32), scrape material subassembly (32) including motor (321), gear (322), ring gear (323) and scrape flitch (324), motor (321) are fixed in the inner chamber of subsider (1) and are used for the drive gear (322) are rotatory, subsider (1) coaxial spacing groove (16) that is equipped with, ring gear (323) are located the inner chamber of spacing groove (16), just ring gear (323) with subsider (1) rotate and are connected, gear (322) with ring gear (323) meshing, scrape flitch (324) butt in the inner wall of subsider (1) and with ring gear (323) fixed connection.

4. An exhaust gas treatment device according to claim 2, wherein: the cleaning device (3) further comprises a pushing component (33), the pushing component (33) comprises a hydraulic cylinder (331) and a pushing plate (332), the hydraulic cylinder (331) is fixedly connected with the sedimentation cylinder (1), the driving direction of the hydraulic cylinder (331) is consistent with the opening direction of the slag hole (17), the pushing plate (332) is positioned in the inner cavity of the sedimentation cylinder (1) and is fixedly connected with a telescopic rod of the hydraulic cylinder (331), two side walls of the pushing plate (332) are respectively provided with an avoidance groove (333), the inner cavity of the avoidance groove (333) is provided with a scraping plate (334) and a spring (335), one end of the spring (335) is fixedly connected with the pushing plate (332), and the other end of the spring (335) is fixedly connected with the scraping plate (334); the push plate (332) is rotationally connected with the sedimentation cylinder (1).

5. An exhaust gas treatment device according to claim 1, wherein: still include recovery unit (4), recovery unit (4) include cylinder (41), drain pipe (43) and water pump (44), subside section of thick bamboo (1) and be equipped with liquid outlet (18), cylinder (41) are located the inner chamber of subside section of thick bamboo (1), drain pipe (43) one end with water pump (44) intercommunication, the other end wear to locate liquid outlet (18) and with telescopic link fixed connection of cylinder (41).

6. An exhaust gas treatment device according to claim 1, wherein: the air inlet (11) is provided with a hairbrush (13), the hairbrush (13) is fixedly connected with the sedimentation cylinder (1), and the hairbrush (13) is used for shielding the air inlet (11).

7. A tail gas treatment device according to claim 3, wherein: the side wall of the scraping plate (324) contacted with the sedimentation cylinder (1) is in a blade shape, and the direction of the blade is towards the side wall of the sedimentation cylinder (1) and is consistent with the rotation direction of the scraping plate (324).

8. An exhaust gas treatment device according to claim 5, wherein: one end of drain pipe (43) keep away from water pump (44) is equipped with and collects cover (45), collect cover (45) with drain pipe (43) fixed connection, the inner chamber of collecting cover (45) is equipped with filter screen (46), filter screen (46) with collect cover (45) fixed connection.