CN116870669A

CN116870669A - Waste gas treatment device

Info

Publication number: CN116870669A
Application number: CN202311140788.1A
Authority: CN
Inventors: 牛嘉豪; 牛瑞君; 牛志强; 耿海鹏; 宋学智; 陈凯; 刘效功
Original assignee: Shanxi Sanqiang New Energy Technology Co ltd
Current assignee: Shanxi Sanqiang New Energy Technology Co ltd
Priority date: 2023-09-06
Filing date: 2023-09-06
Publication date: 2023-10-13
Anticipated expiration: 2043-09-06
Also published as: CN116870669B

Abstract

The invention relates to the technical field of waste gas treatment, in particular to a waste gas treatment device, which comprises an absorption tower, wherein the bottom of the absorption tower is communicated with a water outlet pipe; a flush assembly; the air baffle plate is connected to the top of the inner wall of the water outlet pipe, and a water drainage channel is formed between the air baffle plate and the bottom wall of the water outlet pipe; the first baffle is arranged on one side of the air blocking baffle, which is far away from the absorption tower, and the bottom wall of the first baffle is not lower than the bottom wall of the air blocking baffle; the clean water recovery pipe, one end of which is connected with the wall of the first baffle plate, is arranged on one side of the first baffle plate far away from the air baffle plate, and the other end of which extends out of the water outlet pipe; the first baffle is matched with the second baffle to seal the water outlet pipe, and the top of the second baffle is rotationally connected with the water outlet pipe; the starting piece is used for controlling the second baffle to rotate upwards when the flushing assembly flushes water and controlling the second baffle to reset when the flushing assembly stops flushing water. The invention can improve the stability of the device, prolong the service life of the device and reduce the influence of sediment on the device.

Description

Waste gas treatment device

Technical Field

The invention relates to the technical field of waste gas treatment, in particular to a waste gas treatment device.

Background

An exhaust gas treatment apparatus is an apparatus for treating a gas containing pollutants and harmful substances generated in industrial production by various methods, and then discharging a clean gas.

The Chinese patent application with the publication number of CN115970457A discloses a desulfurizing tower airflow distribution device and method with a gas purifying effect, and the desulfurizing tower airflow distribution device comprises a tower body and an air inlet pipe, wherein a particle capturing system is arranged on one side of the air inlet pipe, which is close to the tower body, a plurality of spray pipes are arranged in the tower body, atomizing spray heads are uniformly distributed below the spray pipes, a flow guiding oblique block is arranged at the bottom end of the tower body, and a liquid discharge pipe is arranged on the side wall of the tower body, which is close to the lower position of the flow guiding oblique block.

In view of the above-mentioned related art, the present inventors believe that some substances in the exhaust gas may generate a precipitate during the treatment process, the atomizing nozzle in the tower continuously sprays water mist into the tower, the water mist forms water flow after being collected, flows along the side wall and the bottom wall of the tower, the precipitate moves downward along with the water flow, but the water flow formed by collecting the water mist is smaller, it is difficult to flush the precipitate out of the tower, and the precipitate is easily collected at the bottom of the tower or adhered to the bottom wall of the tower.

Disclosure of Invention

In order to improve the stability of the device, prolong the service life of the device and reduce the influence of sediment on the device, the invention provides an exhaust gas treatment device.

The invention provides an exhaust gas treatment device, which adopts the following technical scheme: the waste gas treatment device comprises an absorption tower, wherein the inside of the absorption tower is hollow, the bottom of the side wall of the absorption tower is fixedly communicated with an air inlet pipeline, the top wall of the absorption tower is fixedly communicated with an air outlet pipe, and the bottom wall of the absorption tower is fixedly communicated with a horizontally placed water outlet pipe; the spray layer is arranged in the absorption tower and used for releasing atomized liquid in the absorption tower; the flushing assembly is communicated with the inside of the absorption tower and is used for flushing water to the inside of the absorption tower; the air baffle plate is vertically arranged and connected to the top of the inner wall of the water outlet pipe, and a water drainage channel for water to pass through is formed between the air baffle plate and the bottom wall of the water outlet pipe; the first baffle is vertically arranged and connected to the top of the inner wall of the water outlet pipe, the first baffle is arranged on one side of the air baffle plate away from the absorption tower, and the bottom wall of the first baffle is not lower than the bottom wall of the air baffle plate; the clean water recycling pipe is arranged on one side of the first baffle, which is far away from the air baffle, and the other end of the clean water recycling pipe extends out of the water outlet pipe; the second baffle is vertically arranged in the water outlet pipe, the second baffle is arranged below the first baffle, the first baffle and the second baffle are matched to seal the water outlet pipe, and the top of the second baffle is rotationally connected with the water outlet pipe; and the starting piece is used for controlling the second baffle plate to rotate upwards when the flushing assembly flushes water and controlling the second baffle plate to reset when the flushing assembly stops flushing water.

By adopting the technical scheme, the spraying layer is used for purifying the waste gas in the absorption tower, the treated gas is discharged through the gas outlet pipe, the gas blocking partition plate and the first baffle are arranged, and the condition that the waste gas is discharged through the water outlet pipe is reduced by utilizing the communicating vessel principle; the first baffle is connected with a clear water recovery pipe, when the water is not flushed, the second baffle is matched with the first baffle, the water outlet pipe is closed, water mist and sediment in the absorption tower are gathered at the bottom of the water outlet pipe, the sediment is precipitated downwards under the action of gravity, clear water at the top of the inside of the water outlet pipe is discharged through the clear water recovery pipe, the recycling is facilitated, and the waste is reduced; when the flushing assembly flushes water into the absorption tower, the second baffle is controlled by the starting piece, so that sediment can be conveniently flushed out of the absorption tower and the water outlet pipe through water flow, sediment accumulation conditions in the absorption tower and the water outlet pipe are reduced, the stability of the device is improved, and the service life of the device is prolonged.

The device is stable, reduces the circumstances of waste gas loss, reduces the pollution of waste gas to the environment, and the recycle of being convenient for reduces extravagant, reduces the sediment accumulation condition of absorption tower inside wall and diapire and outlet pipe inner wall, and through the intermittent type nature bath of bath subassembly, both be convenient for clear up the sediment through great rivers, reduce extravagant again, extension device's life.

Optionally, the flushing assembly includes a first water tank disposed on a side wall of the absorption tower, the first water tank reciprocates in a vertical direction, the first water tank discharges water into the absorption tower after moving to the bottom, the first water tank discharges water and then moves to the top for resetting, the starting piece includes a first rotating block, a second rotating block, a first control line group and a spring, two opposite side walls of the water outlet pipe are respectively provided with rotating holes, the first rotating block and the second rotating block are respectively connected with the two rotating holes in a rotating way, two sides of the second baffle are respectively connected with the first rotating block and the second rotating block, the spring is disposed in the second rotating block, and the second baffle has a resetting tendency under the action of the spring; the absorption tower side wall is provided with a first rotating disc, a second rotating disc, a connecting disc and a belt, the connecting disc is vertically arranged and fixedly connected to the absorption tower side wall, a first connecting groove is formed in one side, far away from the absorption tower, of the connecting disc, the first rotating disc and the connecting disc are arranged at parallel intervals, a second connecting groove is formed in one side, close to the connecting disc, of the first rotating disc, a first connecting block is fixedly connected to one side, far away from the connecting disc, of the second connecting groove, the first connecting block penetrates through the first connecting groove and is rotationally connected to the connecting disc, a plurality of connecting teeth are connected to the first connecting block side wall, the connecting teeth are in clearance arrangement with the first connecting groove side wall, a plurality of connecting teeth are arranged along the first connecting block at intervals in the circumferential direction, the connecting teeth are obliquely arranged, and one end, close to the first water tank, of the connecting teeth, which is positioned at the lowest end, is the lower position of the connecting teeth; the bottom wall of the connecting disc is provided with a third connecting groove, the third connecting groove is communicated with the first connecting groove, the side wall of the third connecting groove is connected with a fixed block, a first limiting block and a first limiting spring, the fixed block is fixedly connected with the side wall of the third connecting groove away from the first water tank, the middle part of the first limiting block is hinged to one side of the third connecting groove away from the absorption tower, the first limiting spring is vertically arranged on the fixed block, two ends of the first limiting spring are respectively connected with the top surface of the fixed block and the bottom surface of the first limiting block, one end of the first limiting block away from the first water tank is inserted between two connecting teeth and is abutted with the connecting teeth, one end of the first limiting block close to the first water tank is obliquely downwards extended out of the third connecting groove, the second rotating disc is rotatably connected with the side wall of the absorption tower, and the belt is sleeved on the outer wall of the first rotating disc and the outer wall of the second rotating disc; one end of the first control line group is connected with the first rotating block and is wound on the first rotating block, and the other end of the first control line group is connected with the second rotating disc and is wound on the second rotating disc; the utility model discloses a belt, including first water tank, second water tank, belt, first water tank lateral wall is connected with first sliding block, first sliding groove has been seted up on the first sliding block, the belt slip peg graft in the first sliding groove, when first water tank is located the top, first sliding block with first stopper butt, the belt is close to one side fixedly connected with second sliding block of first water tank, the second sliding block is located in vertical direction the bottom of belt, first sliding block with the second sliding block corresponds in vertical direction position.

Through adopting above-mentioned technical scheme, reciprocating motion is done to first water tank in vertical direction, first water tank downward movement drives first sliding block downward movement, when first sliding block and second sliding block butt, the second sliding block downward movement, the belt rotates, the second rolling disc rotates, drive first control line group, drive first rolling block and rotate, need not to additionally set up and be used for driving first rolling block pivoted power supply, save the cost, and be convenient for control second baffle pivoted opportunity upwards, open the second baffle at first water tank decline in-process, open the second baffle before first water tank drains water, water flows down and flows out through the outlet pipe in the absorption tower directly, the water flows the in-process and strikes the precipitate and take away the precipitate, open the second baffle in advance, reduce the interference of second baffle to rivers impulsive force, the cleaning effect of hoisting device, reduce the accumulation of precipitate, and extension device life.

In the rising process of the first water tank, the second baffle plate has a tendency of downward rotation reset under the action of the spring, but at the moment, the first limiting block is abutted with the connecting teeth, the first rotating disc cannot normally rotate, namely the belt is motionless, the control line group is tensioned, the second baffle plate keeps a state of opening the drainage channel, smoothness of the drainage channel is guaranteed, when the first water tank moves to the top, the first sliding block is abutted with the first limiting block, the first limiting spring is compressed, the first limiting block is separated from the connecting teeth, the first rotating disc is restored to normally rotate, the second rotating block rotates under the action of the spring, the second baffle plate rotates downwards and resets, the first control line group is pulled, the second rotating disc rotates, the belt rotates, the second sliding block moves upwards, the drainage channel is in an opened state in the rising process of the first water tank, the drainage channel is conveniently used for drainage and sediment drainage, the condition that the drainage channel is closed when the water is not completely removed is reduced, and stability of the device is improved.

The linkage between the devices is convenient for control the opportunity of opening and closing the drainage channel so as to facilitate the discharge of sediment, save cost, and the device is stable, convenient to use, promotes the cleaning effect of the device and prolongs the service life of the device.

Optionally, the side wall of the absorption tower is fixedly connected with a fixed pipe, and one end of the first control line group is connected to the second rotating disc and penetrates through the fixed pipe to be connected to the first rotating block.

Through adopting above-mentioned technical scheme, play the guard action to first control line group, restrict the direction of motion of first control line group, further promote device stability, extension device's life.

Optionally, the flushing assembly further comprises a second water tank, a first water inlet is formed in the top of the first water tank, a first water drain pipe is communicated with the bottom of the first water tank, a first switch piece is arranged on the first water drain pipe, the first switch piece controls the water draining state of the first water drain pipe, a water inlet pipe is arranged on the side wall of the absorption tower, the water inlet pipe drains water towards the first water tank through the first water inlet, the second water tank is fixedly connected to the side wall of the absorption tower, the second water tank corresponds to the first water tank in position in the vertical direction, the second water tank is arranged below the first water tank, a second water inlet is formed in the top of the second water tank, a second water drain pipe is communicated with the bottom wall of the second water tank, and the second water drain pipe is communicated with the inside of the absorption tower and drains water towards the inside of the absorption tower; be equipped with first control assembly and second control assembly on the absorption tower, first control assembly is used for controlling first water tank is reciprocating motion in vertical direction, second control assembly is used for when first water tank moves to the bottom open first switch spare, and when first water tank is discharged, to the second water tank is fixed.

Through adopting above-mentioned technical scheme, first water tank is at the top retaining, and the retaining is later down to the bottom and towards the second water tank in, again to the absorption tower in wash water, clear up the precipitate in the absorption tower and the outlet pipe.

Optionally, the first control component includes a buoyancy ball, two second control line groups, two second limiting blocks, two third limiting blocks, two second limiting springs, a second connecting block and two connecting frames, the buoyancy ball is connected with a connecting rod, one end of the connecting rod is rotationally connected to the side wall of the absorption tower, the buoyancy ball corresponds to the first water tank in the vertical direction, and when the first water tank moves to the top position, the buoyancy ball is positioned in the first water tank; the two connecting frames are connected to the side wall of the absorption tower, the two connecting frames are respectively arranged at two sides of the buoyancy ball, the connecting frames are provided with sliding grooves, the sliding grooves extend along the horizontal direction, the sliding grooves penetrate through the connecting frames in the vertical direction, the two second limiting blocks are respectively connected in the sliding grooves in a sliding manner, the two second limiting springs are respectively connected to the two second limiting blocks, the two ends of the second limiting springs are respectively connected to the side wall of the absorption tower and the side wall of the second limiting block, the second limiting springs are horizontally arranged, under the action of the second limiting springs, the second limiting blocks have a trend of moving towards the direction far away from the absorption tower, and the third limiting block is connected to one side, close to the absorption tower, of the first water tank; the third limiting block is obliquely arranged on one side, close to the absorption tower, of the third limiting block, the top surface area of the third limiting block is smaller than the bottom surface area of the third limiting block, the second limiting block is obliquely arranged on one side, close to the first water tank, of the second limiting block, the top surface area of the second limiting block is larger than the bottom surface area of the second limiting block, the second limiting block corresponds to the third limiting block in position in the vertical direction, one end of the second control line set is connected with the connecting rod, and the other end of the second control line set is connected with one side, far away from the first water tank, of the second limiting block; the second connecting block is connected to the inner wall of the first water tank, the water inlet pipe is connected to the side wall of the absorption tower, a second switch piece is arranged on the water inlet pipe, the second connecting block corresponds to the second switch piece in position in the vertical direction, and when the first water tank is located at the top position, the second connecting block is abutted to the second switch piece and opens the water inlet pipe to drain water.

Through adopting above-mentioned technical scheme, when first water tank is located the top, third stopper bottom surface and second stopper top surface butt, buoyancy ball is located first water tank, after holding full water in first water tank, buoyancy ball upwards moves under the effect of first water tank internal water, drive the connecting rod and upwards rotate, the connecting rod pulls second control line group, second control line group drives second stopper and moves towards the direction that is close to the absorption tower, second stopper and third stopper separation, first water tank drops downwards under the action of gravity, after first water tank finishes the water, upward movement and reset under first control assembly effect, first water tank upward movement in-process, third stopper top surface and second stopper bottom surface butt, promote the second stopper to move towards the direction that is close to the absorption tower, third stopper upward movement reaches second stopper top, the second stopper moves towards the direction that keeps away from the absorption tower under the effect of second limiting spring, third stopper bottom surface and second stopper top surface butt, the first water tank of being convenient for holds water and discharges water, second connecting block and second switch piece butt, open and advance the inlet tube.

The device is stable, does not need to additionally set a power source for driving or controlling, is linked among the devices, is convenient to use and is stable in structure.

Optionally, the first switch piece includes a connection cover, the connection cover is arranged on the bottom wall inside the first water tank, one side of the connection cover is hinged with the bottom wall inside the first water tank, the connection cover is matched with the first water drain pipe, and the connection cover seals the top of the first water drain pipe; the second control assembly comprises a push rod, a sliding rod and a top plate, wherein a second sliding groove is formed in the side wall of the first water drain pipe, the second sliding groove penetrates through the first water drain pipe in the horizontal direction, the second sliding groove extends along the vertical direction, the sliding rod is horizontally arranged, two ends of the sliding rod penetrate through the second sliding groove and extend out of the first water drain pipe, the sliding rod is slidably inserted into the second sliding groove in the vertical direction, the push rod is vertically arranged on the top surface of the sliding rod, the push rod is in butt joint with the bottom surface of the connecting cover, the top plate is connected to the inner wall of the second water tank, a third sliding groove is formed in the top plate, the third sliding groove penetrates through the top plate in the vertical direction, and the first water drain pipe is slidably inserted into the third sliding groove.

Through adopting above-mentioned technical scheme, first water tank downwardly moving to the bottom, first drain pipe slip grafting is in the third sliding tray, roof and slide bar butt, and the relative upward movement of first drain pipe of slide bar drives the ejector pin and upwards moves and with the junction cap butt, opens the junction cap, and the first water tank of being convenient for is automatic to drain, need not to set up extra power supply, and the control of being convenient for drain opportunity, convenient to use.

Optionally, the second control assembly further comprises a first limiting rod, two second limiting rods and two limiting plates, the two limiting plates are all arranged in the first water drain pipe, the limiting plates are located below the second sliding grooves in the vertical direction, the two limiting plates are matched and sealed on the first water drain pipe, one side of each limiting plate is connected with a connecting ring, the two connecting rings are all sleeved on the first limiting rods, the connecting rings are rotationally connected with the first limiting rods, one ends of the two second limiting rods are respectively connected into the connecting rings in a sliding manner, sliding holes are formed in the two opposite side walls of the first water drain pipe, the sliding holes penetrate through the side walls of the first water drain pipe in the horizontal direction, and the two second limiting rods are respectively connected into the two sliding holes in a sliding manner; one side of the second limiting rod, which is far away from the first limiting rod, is connected with a limiting strip, one end of the limiting strip, which is far away from the second limiting rod, extends out of the first water drain pipe, one end of the second limiting rod, which is far away from the first limiting rod, is connected with a sliding block, limiting grooves are formed in two opposite sides of the inner wall of the first water drain pipe, the limiting grooves are communicated with the sliding holes, the sliding block is slidably inserted into the limiting grooves, a reset spring is arranged between one side of the sliding block, which is far away from the first limiting rod, and the side wall, which is far away from the first limiting rod, of the limiting grooves, one side, which is close to the first limiting rod, is connected with a threaded strip, the threaded strip is wound on the second limiting rod, the threaded strip extends along the axial direction of the second limiting rod, and two connecting rings are connected with control strips on one side, which is far away from the first limiting rod, and the control strips are abutted against the threaded strip; when the limiting plate is horizontally arranged, the limiting strip is retracted in the sliding hole, and when the limiting plate rotates downwards, the control strip is abutted to the threaded strip and enables the threaded strip to move in the direction away from the first limiting rod.

By adopting the technical scheme, when the first water tank is not drained, under the action of the two return springs, the two limiting plates are horizontally arranged, and the limiting strips are retracted into the sliding holes; when the first water tank is drained, under the impact action of water, the limiting plate is turned downwards, the control strip is abutted with the threaded strip, the threaded strip is driven to move in the direction away from the first limiting rod, namely, the limiting strip moves in the direction away from the first connecting rod, the limiting strip stretches out of the side wall of the first water drain pipe, the top surface of the limiting strip is abutted with the bottom surface of the top plate, the position of the first water tank relative to the second water tank in the vertical direction is limited, stability of the device is further improved, in the water draining process of the first water tank, the impact force of water is gradually reduced to the reset spring to push the threaded strip, the threaded strip moves in the direction close to the first limiting rod, the threaded strip is abutted with the control strip, the limiting plate is restored to the horizontal setting state, the limiting strip is retracted into the sliding hole, and the first water tank can move upwards.

Further promote device stability, when rivers are great in the first drain pipe, restrict the position of first water tank relative second water tank, be convenient for drain, reduce the circumstances that water splashes.

Optionally, the first control assembly further includes a return spring, the return spring is vertically disposed, one end of the return spring is connected to the bottom surface of the connecting frame, and the other end of the return spring is connected to one side, close to the absorption tower, of the first water tank.

Through adopting above-mentioned technical scheme, after the first water tank finishes the water, upwards move to the top and reset under the effect of return spring, be convenient for next retaining and the use of draining.

Optionally, one end of the air inlet pipeline extends into the absorption tower, and an opening of the air inlet pipeline in the absorption tower faces downwards.

Through adopting above-mentioned technical scheme, be favorable to getting into the gas in the absorption tower through the admission line and evenly scatter so that by the discharge after the treatment purifies in the absorption tower, and reduce influence that water smoke etc. fall into the admission line and lead to the fact to the admission line in the admission line, extension device life.

In summary, the invention has the following beneficial technical effects:

1. the air baffle plate and the first baffle plate are arranged, and the condition that waste gas is discharged through the water outlet pipe is reduced by utilizing the principle of a communicating vessel; the first baffle is connected with a clear water recovery pipe, when the water is not flushed, the second baffle is matched with the first baffle, the water outlet pipe is closed, water mist and sediment in the absorption tower are gathered at the bottom of the water outlet pipe, the sediment is precipitated downwards under the action of gravity, clear water at the top of the inside of the water outlet pipe is discharged through the clear water recovery pipe, the recycling is facilitated, and the waste is reduced; when the flushing assembly flushes water into the absorption tower, the second baffle is controlled by the starting piece, so that sediment can be conveniently flushed out of the absorption tower and the water outlet pipe through water flow, sediment accumulation conditions in the absorption tower and the water outlet pipe are reduced, the stability of the device is improved, and the service life of the device is prolonged.

2. The second baffle is opened before the water is discharged from the first water tank, water directly flows downwards in the absorption tower and flows out through the water outlet pipe, the sediment is impacted and taken away in the water flowing process, the second baffle is opened in advance, the interference of the second baffle on the water flowing force is reduced, the cleaning effect of the device is improved, the accumulation of the sediment is reduced, and the service life of the device is prolonged; in the rising process of the first water tank, the drainage channel is in an opened state, so that the water tank is convenient for draining water and sediment, the condition that the drainage channel is closed when the second baffle is not completely removed by water is reduced, and the stability of the device is improved; the timing that the drain channel was opened and was closed is convenient for control to the discharge of deposit, practice thrift the cost, the device is stable, convenient to use, and the cleaning effect of hoisting device prolongs device life.

3. The device is linked without additionally arranging a power source for driving or controlling, is convenient to use and has stable structure.

4. When the water flow in the first water discharge pipe is large, the position of the first water tank relative to the second water tank is limited, water is discharged conveniently, and the water splashing condition is reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

FIG. 2 is a cross-sectional view of the overall structure in an embodiment of the invention;

FIG. 3 is a cross-sectional view of a drain assembly according to an embodiment of the present invention;

FIG. 4 is a schematic view of a portion of a first tank and a first stop member according to an embodiment of the present invention;

FIG. 5 is a schematic diagram showing the overall structure of the second control line set and the connection frame according to the embodiment of the present invention;

FIG. 6 is a schematic view of a portion of the structure of the first switch member and the second control member in an embodiment of the present invention;

FIG. 7 is a schematic view showing the overall structure of a second water tank and a second rotary disk in an embodiment of the present invention;

FIG. 8 is a cross-sectional view of a second stop member according to an embodiment of the present invention;

FIG. 9 is an enlarged schematic view of a portion A of FIG. 8;

FIG. 10 is a schematic view of a partial structure of a water outlet pipe according to an embodiment of the present invention;

FIG. 11 is a schematic view of a partial structure of a water outlet pipe according to an embodiment of the present invention;

fig. 12 is a cross-sectional view of a first rotor plate and a connecting plate in an embodiment of the invention.

Reference numerals illustrate: 1. an absorption tower; 011. an air intake duct; 012. an air outlet pipe; 013. a water outlet pipe; 2. spraying a layer; 201. a shower pipe; 202. an atomizing nozzle; 203. a water inlet pipe; 204. a filler layer; 3. a flush assembly; 301. a first water tank; 302. a first water inlet; 303. a second switching member; 304. a first drain pipe; 305. a second water tank; 306. a second water inlet; 307. a second water drain pipe; 309. a sliding frame; 310. a third slider; 4. a first control assembly; 5. a first limiting member; 501. a buoyancy ball; 502. a second control line group; 503. a second limiting block; 504. a third limiting block; 505. a second limit spring; 506. a second connection block; 507. a connection frame; 508. a connecting rod; 509. a support; 510. a chute; 6. a first control member; 601. a return spring; 7. a first switch member; 701. a connection cover; 8. a second control assembly; 9. a second control member; 901. a push rod; 902. a slide bar; 903. a top plate; 904. a second sliding groove; 905. a third sliding groove; 10. a second limiting piece; 101. a first stop lever; 102. a second limit rod; 103. a limiting plate; 104. a connecting ring; 105. a sliding hole; 106. a limit bar; 107. a limit groove; 108. a slide block; 109. a return spring; 110. a thread strip; 111. a control bar; 11. a drainage assembly; 112. a gas baffle; 113. a first baffle; 114. a clear water recovery pipe; 115. a second baffle; 116. a drainage channel; 117. a clear water outlet; 12. a start-up member; 121. a first rotating block; 122. a second rotating block; 123. a first control line group; 124. a spring; 125. a rotation hole; 13. a connecting piece; 131. a first rotating disc; 132. a second rotating disc; 133. a connecting disc; 134. a belt; 135. a first connection groove; 136. a second connecting groove; 137. a first connection block; 138. a connecting tooth; 139. a third connecting groove; 140. a fixed block; 141. a first limiting block; 142. a first limit spring; 15. a fixed tube; 16. a first slider; 17. a first sliding groove; 18. and a second slider.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which are obtained by a person skilled in the art based on the described embodiments of the invention, fall within the scope of protection of the invention.

The invention is described in further detail below with reference to fig. 1-12.

The embodiment of the invention discloses an exhaust gas treatment device. As shown in fig. 1 to 12, an exhaust gas treatment device comprises an absorption tower 1, a spraying layer 2, a flushing assembly 3 and a drainage assembly 11, wherein exhaust gas enters the absorption tower 1 and is discharged after being purified by the spraying layer 2, the flushing assembly 3 is used for flushing water at intervals in the absorption tower 1, and sediment in the absorption tower 1 is discharged through the drainage assembly 11, so that sediment accumulation in the absorption tower 1 is reduced, the stability of the device is improved, and the service life of the device is prolonged.

As shown in fig. 1 and 2, the whole absorption tower 1 is cylindrical, the absorption tower 1 is vertically arranged, the inside of the absorption tower 1 is hollow, an air inlet pipeline 011 is fixedly communicated with the bottom of the side wall of the absorption tower 1, one end of the air inlet pipeline 011 stretches into the absorption tower 1, the opening of the air inlet pipeline 011 in the absorption tower 1 faces downwards, an air outlet pipe 012 is fixedly communicated with the top wall of the absorption tower 1, and an water outlet pipe 013 horizontally arranged is fixedly communicated with the bottom wall of the absorption tower 1.

As shown in fig. 2, spray layer 2 includes a plurality of shower 201, a plurality of shower 201 communicate, and all be connected with a plurality of atomizer 202 under every shower 201, atomizer 202 is down, absorber 1 lateral wall is equipped with inlet tube 203, spray layer 2 is equipped with two sets of, two sets of spray layer 2 all communicate in inlet tube 203, two sets of spray layer 2 interval sets up and all are located air inlet tube 011 top in the vertical direction, inlet tube 203 supplies water, rivers get into in the shower 201 and advance atomizer 202 blowout, liquid after the blowout atomizing in towards absorber 1 carries out purification treatment to the waste gas that gets into absorber 1.

As shown in fig. 2, two packing layers 204 are further disposed in the absorption tower 1, the packing layers 204 are made of porous materials, the contact area between the waste gas and the water mist is increased, the treatment efficiency is improved, the treatment effect is improved, the two packing layers 204 are disposed at intervals in the vertical direction, and the two packing layers 204 are disposed between the two spraying layers 2.

As shown in fig. 1, the flushing assembly 3 includes a first water tank 301, a second water tank 305, a first control assembly 4 and a second control assembly 8, the first water tank 301 is slidably connected to the side wall of the absorption tower 1 along the vertical direction, the second water tank 305 is fixedly connected to the side wall of the absorption tower 1, the first water tank 301 and the second water tank 305 are arranged at intervals in the vertical direction, the second water tank 305 is arranged below the first water tank 301, and the first water tank 301 and the second water tank 305 are in position correspondence in the vertical direction.

As shown in fig. 4 and fig. 5, a first water inlet 302 is provided at the top of the first water tank 301, a branch pipe is connected to the water inlet pipe 203, the opening of the branch pipe faces the first water inlet pipe 203 and is used for discharging water into the first water tank 301, a second switch member 303 is provided at the bottom of the branch pipe and is used for controlling the water discharging state of the branch pipe, a sliding frame 309 is vertically provided on the side wall of the absorption tower 1, a third sliding block 310 is connected to one side of the first water tank 301 close to the absorption tower 1, and the third sliding block 310 is slidably connected to the sliding frame 309.

As shown in fig. 4 and 5, the first control assembly 4 includes a first stopper 5 and a first control member 6, the first stopper 5 is used to control the first water tank 301 to move downward after being filled with water, and the first control member 6 is used to control the first water tank 301 to move upward and reset after being filled with water.

As shown in fig. 4 and 5, the first limiting member 5 includes a buoyancy ball 501, a second control line group 502, two second limiting blocks 503, two third limiting blocks 504, two second limiting springs 505, a second connecting block 506 and two connecting frames 507, where the buoyancy ball 501 corresponds to the first water tank 301 in the vertical direction, when the first water tank 301 is located at the top, the buoyancy ball 501 is located inside the first water tank 301, a connecting rod 508 is connected to the buoyancy ball 501, a support 509 is fixedly connected to the side wall of the absorption tower 1, and one end of the connecting rod 508 is hinged to the support 509.

As shown in fig. 4 and fig. 5, two connection frames 507 are fixedly connected to the side wall of the absorption tower 1, the two connection frames 507 are respectively arranged at two opposite sides of the buoyancy ball 501, the two connection frames 507 are horizontally positioned correspondingly, the connection frames 507 are respectively provided with a sliding groove 510, the sliding grooves 510 extend along the horizontal direction, the sliding grooves 510 penetrate through the connection frames 507 in the vertical direction, two second limiting blocks 503 are respectively and slidably connected in the two sliding grooves 510, the second limiting blocks 503 move towards the direction close to or far away from the first water tank 301, a second limiting spring 505 is horizontally arranged, one end of the second limiting spring 505 is connected to one side of the second limiting block 503 far away from the first water tank 301, the other end of the second limiting spring 505 is connected to the side wall of the absorption tower 1, under the action of the second limiting spring 505, the second limiting block 503 has a trend of moving towards the direction close to the first water tank 301, one end of the second control line set 502 is connected to the connecting rod 508, the bottom of the support 509 is connected with a fixed pipe 15, the two second control line sets 502 penetrate through the fixed pipe 509 and are respectively connected to the two second limiting blocks 503, and the other end of the second control line set 502 is connected to one side of the second limiting block 503 far away from the first water tank 301.

As shown in fig. 4 and 5, the third limiting block 504 is connected to one side of the first water tank 301 near the absorption tower 1, one side of the third limiting block 504 near the absorption tower 1 is obliquely arranged, the area of the top surface of the third limiting block 504 is smaller than the area of the bottom surface of the third limiting block 504, one side of the second limiting block 503 near the first water tank 301 is obliquely arranged, the area of the top surface of the second limiting block 503 is larger than the area of the bottom surface of the second limiting block 503, the second limiting block 503 and the third limiting block 504 are in position correspondence in the vertical direction, the second connecting block 506 is connected to the inner wall of the first water tank 301, and the second connecting block 506 is in position correspondence in the vertical direction with the second switching piece 303.

As shown in fig. 4 and fig. 5, when the first water tank 301 is located at the top, the bottom surface of the third limiting block 504 abuts against the top surface of the second limiting block 503, so as to limit the position of the first water tank 301, the second connecting block 506 abuts against the second switching element 303, the switch of the second switching element 303 is turned on, the water inlet pipe 203 is enabled to drain water towards the first water tank 301, after the first water tank 301 is filled with water, the buoyancy ball 501 floats under the action of the water, the connecting rod 508 is driven to rotate, the connecting rod 508 is connected with the second control line group 502, the second limiting block 503 is driven by the second control line group 502, so that the second limiting block 503 moves towards a direction away from the first water tank 301, the second limiting block 503 is separated from the third limiting block 504, and the first water tank 301 falls down under the action of gravity.

As shown in fig. 6 and 7, the bottom of the first water tank 301 is communicated with a first water drain pipe 304, the first water drain pipe 304 extends along the vertical direction, a first switch member 7 is arranged on the first water drain pipe 304, the first switch member 7 controls the water drain state of the first water drain pipe 304, a second water inlet 306 is formed in the top of the second water tank 305, and the first water drain pipe 304 corresponds to the second water inlet 306 in the vertical direction.

As shown in fig. 6, the first switch member 7 includes a connection cover 701, one side of the connection cover 701 is hinged to the bottom wall of the interior of the first water tank 301, the connection cover 701 is matched with the first drain pipe 304, and the connection cover 701 closes the top of the first drain pipe 304.

As shown in fig. 6, the second control assembly 8 includes a second control member 9 and a second limiting member 10, the second control member 9 is used for opening the first switch member 7 after the first water tank 301 moves to the bottom, so that the first water tank 301 discharges water toward the second water tank 305, and the second limiting member 10 is used for limiting the position of the first water tank 301 relative to the second water tank 305 during the water discharge of the first water tank 301.

As shown in fig. 6 and 7, the second control member 9 includes a push rod 901, a sliding rod 902 and a top plate 903, the opposite two side walls of the first drain pipe 304 are provided with a second sliding groove 904, the second sliding groove 904 extends along the vertical direction, the sliding rod 902 is integrally in a cuboid shape, the sliding rod 902 is horizontally arranged in the first drain pipe 304, two ends of the sliding rod 902 respectively pass through the second sliding groove 904 and extend out of the first drain pipe 304, the sliding rod 902 is slidably inserted in the second sliding groove 904 in the vertical direction, the push rod 901 is integrally cylindrical, the push rod 901 is vertically arranged and fixedly connected to the top surface of the sliding rod 902, in the upward sliding process of the sliding rod 902, the push rod 901 is abutted to the connecting cover 701, the top plate 903 is connected to the inner wall of the second water tank 305, the top plate 903 corresponds to the position of the first drain pipe 304 in the vertical direction, a third sliding groove 905 is formed in the top plate 903, the third sliding groove 905 penetrates the top plate 903 in the vertical direction, and the first drain pipe 304 is slidably inserted in the third sliding groove 905.

As shown in fig. 6 and 7, after the first water tank 301 is fully filled with water, the first water tank 301 falls down under the action of gravity, and one end of the first water drain pipe 304 falls into the third sliding groove 905 in a sliding manner, the top plate 903 is abutted against the sliding rod 902, so that the sliding rod 902 moves upwards, the top rod 901 is driven to abut against the connecting cover 701, the top rod 901 abuts against the connecting cover 701, and water in the first water tank 301 flows into the first water drain pipe 304 to drain water.

As shown in fig. 8 and 9, the second limiting member 10 includes a first limiting rod 101, two second limiting rods 102 and two limiting plates 103, the two limiting plates 103 are all disposed in a first water drain pipe 304, the whole limiting plates 103 are semicircular, when the two limiting plates 103 are all horizontally disposed, the two limiting plates 103 are matched with each other, the two limiting plates are in clearance fit with the side wall of the first water drain pipe 304, the whole first limiting rod 101 is cylindrical and horizontally disposed in the first water drain pipe 304, the first limiting rod 101 is axially parallel to the radial direction of the first water drain pipe 304, one side of each limiting plate 103 is connected with a connecting ring 104, the two connecting rings 104 are all sleeved on the first limiting rod 101, and the connecting rings 104 are rotationally connected to the first limiting rod 101.

As shown in fig. 8 and 9, the opposite two side walls of the first water drain pipe 304 are provided with sliding holes 105, the sliding holes 105 extend along the horizontal direction and penetrate through the side wall of the first water drain pipe 304, the sliding holes 105 correspond to the connecting rings 104 in position in the horizontal direction, the whole second limiting rod 102 is cylindrical, the two second limiting rods 102 are respectively arranged on two sides of the first limiting rod 101, one end of each second limiting rod 102 is slidably inserted into the connecting ring 104, the other end of each second limiting rod 102 is slidably inserted into the sliding holes 105, one side, far away from the first limiting rod 101, of each second limiting rod 102 is connected with a limiting strip 106, the limiting strips 106 are cuboid, the limiting strips 106 are horizontally arranged, and one end of each limiting strip 106 penetrates through the sliding holes 105 and stretches out of the side wall of the first water drain pipe 304.

As shown in fig. 8 and 9, the opposite sides of the inner wall of the first water drain pipe 304 are provided with a limit groove 107, the limit groove 107 extends along the horizontal direction, the limit groove 107 is communicated with the sliding hole 105, the side wall of the limit groove 107 away from the first limit rod 101 is arranged at intervals with the outer wall of the first water drain pipe 304, the end of the second limit rod 102 away from the first limit rod 101 is connected with a slide block 108, the slide block 108 is integrally annular, the slide block 108 is sleeved on the second limit rod 102, the slide block 108 is slidably inserted in the limit groove 107, a reset spring 109 is arranged between the side wall of the limit groove 107 away from the first limit rod 101 and the side wall of the slide block 108 away from the first limit rod 101, and under the action of the reset spring 109, the slide block 108 has a trend of moving towards the direction close to the first limit rod 101.

As shown in fig. 8 and 9, a threaded bar 110 is connected to one side of the slider 108, which is close to the first stop lever 101, the threaded bar 110 is wound around the second stop lever 102, and a control bar 111 is connected to one side of the two connecting rings 104, which is far away from the first stop lever 101, and the control bar 111 abuts against the threaded bar 110.

As shown in fig. 8 and 9, when the first water tank 301 is not drained, under the action of the two return springs 109, the two limiting plates 103 are horizontally arranged, and the limiting strips 106 are retracted into the sliding holes 105; when the first water tank 301 discharges water, under the impact of water, the limiting plate 103 turns downwards, the control strip 111 is abutted with the threaded strip 110, the threaded strip 110 is driven to move in the direction away from the first limiting rod 101, namely, the limiting strip 106 moves in the direction away from the first connecting rod 508, the limiting strip 106 extends out of the side wall of the first water discharge pipe 304, the top surface of the limiting strip 106 is abutted with the bottom surface of the top plate 903, and the position of the first water tank 301 relative to the second water tank 305 in the vertical direction is limited.

As shown in fig. 5, the first control member 6 includes a return spring 601, where the return spring 601 is vertically disposed, one end of the return spring 601 is connected to the bottom surface of the connection frame 507, and the other end of the return spring 601 is connected to one side of the first water tank 301 near the absorption tower 1.

As shown in fig. 4 and 5, after the first water tank 301 finishes draining, under the action of the return spring 601, the first water tank 301 moves upward, when the first water tank 301 moves to the top, the top surface of the third limiting block 504 abuts against the top surface of the second limiting block 503, so that the second limiting block 503 moves towards the direction close to the absorption tower 1, when the third limiting block 504 moves above the second limiting block 503, the second limiting block 503 moves towards the direction close to the first water tank 301 under the action of the second limiting spring 505, and the bottom surface of the third limiting block 504 abuts against the top surface of the second limiting block 503, so that water is stored and drained next time.

As shown in fig. 7, the bottom of the second water tank 305 is connected to a second water drain pipe 307, the second water drain pipe 307 is connected to the inside of the absorption tower 1, and water in the second water tank 305 flows into the inside of the absorption tower 1 through the second water drain pipe 307 and washes the bottom of the inner wall of the absorption tower 1.

As shown in fig. 3, the drainage assembly 11 includes a gas baffle 112, a first baffle 113, a clear water recovery tube 114, a second baffle 115, a starting member 12 and a connecting member 13, the gas baffle 112 is semicircular integrally, the gas baffle 112 is vertically arranged and connected to the top of the inner wall of the water outlet 013, the bottom surface of the gas baffle 112 extends along the horizontal direction, a drainage channel 116 through which water flows is formed between the gas baffle 112 and the bottom wall of the water outlet 013, the first baffle 113 is semicircular integrally, the first baffle 113 is connected to the top of the inner wall of the water outlet 013, the first baffle 113 and the gas baffle 112 are arranged at parallel intervals, the bottom surface of the first baffle 113 corresponds to the bottom surface of the gas baffle 112 in the horizontal direction, the first baffle 113 is arranged at one side of the gas baffle 112 away from the absorber 1, a clear water outlet 117 is arranged on the first baffle 113, one end of the clear water recovery tube 114 is connected to the side wall of the water outlet 117, the other end of the clear water recovery tube 114 extends out of the side of the water outlet 013, the first baffle 113 is arranged at one side of the first baffle 113 away from the gas baffle 112, the second baffle 115 is semicircular integrally, the second baffle 115 is arranged below the first baffle 115, and the second baffle 115 is matched with the first baffle 113 and is sealed with the second baffle 013.

As shown in fig. 10 and 11, the starting member 12 includes a first rotating block 121, a second rotating block 122, a first control line group 123 and a spring 124, where the first rotating block 121 and the second rotating block 122 are all cylindrical, two opposite side walls of the water outlet pipe 013 are provided with rotating holes 125, the first rotating block 121 and the second rotating block 122 are respectively connected to the two rotating holes 125 in a rotating manner, two sides of the second baffle 115 are respectively connected to the first rotating block 121 and the second rotating block 122, the spring 124 is disposed in the second rotating block 122, and under the action of the spring 124, the second baffle 115 has a tendency to be reset to a vertical arrangement.

As shown in fig. 7 and 12, the connecting member 13 includes a first rotating disc 131, a second rotating disc 132, a connecting disc 133 and a belt 134, the first rotating disc 131, the second rotating disc 132 and the connecting disc 133 are all cylindrical, the connecting disc 133 is vertically arranged and fixedly connected to the side wall of the absorption tower 1, the first rotating disc 131 and the connecting disc 133 are arranged at parallel intervals, a first connecting groove 135 is formed in one side, far away from the absorption tower 1, of the connecting disc 133, a second connecting groove 136 is formed in one side, close to the connecting disc 133, of the first rotating disc 131, a first connecting block 137 is fixedly connected to one side, far away from the connecting disc 133, of the second connecting groove 136, the first connecting block 137 penetrates through the first connecting groove 135 and is rotationally connected to the connecting disc 133, a plurality of connecting teeth 138 are connected to the side wall of the first connecting block 137, the connecting teeth 138 are arranged at intervals along the circumferential direction of the first connecting block 137, the connecting teeth 138 are obliquely arranged, one end, close to the first water tank 301, of the connecting teeth 138 at the lowest end is the lower position of the connecting teeth 138, and the connecting teeth 138 are elastic.

As shown in fig. 4 and 12, the bottom wall of the connecting disc 133 is provided with a third connecting groove 139, the third connecting groove 139 is communicated with the first connecting groove 135, the side wall of the third connecting groove 139 is connected with a fixed block 140, a first limiting block 141 and a first limiting spring 142, the fixed block 140 is fixedly connected with the side wall of the third connecting groove 139 far away from the first water tank 301, the middle part of the first limiting block 141 is hinged with one side of the third connecting groove 139 far away from the absorption tower 1, the first limiting spring 142 is vertically arranged on the fixed block 140, two ends of the first limiting spring 142 are respectively connected with the top surface of the fixed block 140 and the bottom surface of the first limiting block 141, one end of the first limiting block 141 far away from the first water tank 301 is inserted between two connecting teeth 138 and is abutted with the connecting teeth 138, one end of the first limiting block near the first water tank 301 is inclined downwards and extends out of the third connecting groove 139, the second rotating disc 132 is rotatably connected with the side wall of the absorption tower 1, and the belt 134 is sleeved on the outer wall of the first rotating disc 131 and the outer wall of the second rotating disc 132.

As shown in fig. 7 and 10, one end of the first control wire set 123 is connected to the first rotating block 121 and wound around the first rotating block 121, and the other end of the first control wire set 123 is connected to the second rotating disc 132 and wound around the second rotating disc 132.

As shown in fig. 7 and 12, the side wall of the first water tank 301 is connected with a first sliding block 16, a first sliding groove 17 is provided on the first sliding block 16, a belt 134 is slidably inserted in the first sliding groove 17, a second sliding block 18 is fixedly connected to one side of the belt 134, which is close to the first water tank 301, the second sliding block 18 is arranged at the bottom of the belt 134 in the vertical direction, and the positions of the first sliding block 16 and the second sliding block 18 in the vertical direction correspond.

As shown in fig. 10, the side wall of the absorption tower 1 is fixedly connected with a fixed pipe 15, and one end of the first control wire set 123 is connected to the second rotating disc 132 and is connected to the first rotating block 121 after passing through the fixed pipe 15.

Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.

While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the present invention.

Claims

1. An exhaust gas treatment device, comprising:

the absorption tower (1), the inside cavity of absorption tower (1) and lateral wall bottom fixedly communicate has air inlet pipeline (011), absorption tower (1) roof fixedly communicates there is outlet duct (012), absorption tower (1) diapire fixedly communicates there is outlet pipe (013) of horizontal placement;

the spraying layer (2) is arranged in the absorption tower (1) and is used for releasing atomized liquid in the absorption tower (1);

a flushing assembly (3) communicated with the inside of the absorption tower (1) and used for flushing water to the inside of the absorption tower (1);

the air baffle plate (112) is vertically arranged and connected to the top of the inner wall of the water outlet pipe (013), and a water drainage channel (116) for water to pass through is formed between the air baffle plate (112) and the bottom wall of the water outlet pipe (013);

the first baffle plate (113) is vertically arranged and connected to the top of the inner wall of the water outlet pipe (013), the first baffle plate (113) is arranged on one side, far away from the absorption tower (1), of the air baffle plate (112), and the bottom wall of the first baffle plate (113) is not lower than the bottom wall of the air baffle plate (112);

The clean water recycling pipe (114) is arranged on the first baffle (113), a clean water outlet (117) is formed in the first baffle (113), one end of the clean water recycling pipe (114) is connected to the side wall of the clean water outlet (117), the clean water recycling pipe (114) is arranged on one side, far away from the air baffle (112), of the first baffle (113), and the other end of the clean water recycling pipe (114) extends out of the water outlet pipe (013);

the second baffle (115) is vertically arranged in the water outlet pipe (013), the second baffle (115) is arranged below the first baffle (113), the first baffle (113) and the second baffle (115) are matched to seal the water outlet pipe (013), and the top of the second baffle (115) is rotationally connected to the water outlet pipe (013);

and the starting piece (12) is used for controlling the second baffle plate (115) to rotate upwards when the flushing assembly (3) flushes, and controlling the second baffle plate (115) to reset when the flushing assembly (3) stops flushing.

2. An exhaust gas treatment device as claimed in claim 1, wherein: the flushing assembly (3) comprises a first water tank (301) arranged on the side wall of the absorption tower (1), the first water tank (301) reciprocates in the vertical direction, the first water tank (301) moves to the bottom and then discharges water into the absorption tower (1), the first water tank (301) moves to the top for resetting after discharging water, the starting piece (12) comprises a first rotating block (121), a second rotating block (122), a first control line group (123) and a spring (124), rotating holes (125) are formed in two opposite side walls of the water outlet pipe (013), the first rotating block (121) and the second rotating block (122) are respectively connected with the two rotating holes (125) in a rotating mode, two sides of the second baffle (115) are respectively connected with the first rotating block (121) and the second rotating block (122), the spring (124) is arranged in the second rotating block (122), and the second baffle (115) tends to reset under the action of the spring (124);

The absorption tower is characterized in that a first rotating disc (131), a second rotating disc (132), a connecting disc (133) and a belt (134) are arranged on the side wall of the absorption tower (1), the connecting disc (133) is vertically arranged and fixedly connected to the side wall of the absorption tower (1), a first connecting groove (135) is formed in one side, far away from the absorption tower (1), of the connecting disc (133), the first rotating disc (131) and the connecting disc (133) are arranged at intervals in parallel, a second connecting groove (136) is formed in one side, close to the connecting disc (133), of the first rotating disc (131), a first connecting block (137) is fixedly connected to one side, far away from the connecting disc (133), of the second connecting groove (136), the first connecting block (137) passes through the first connecting groove (135) and is rotationally connected to the connecting disc (133), a plurality of connecting teeth (138) are arranged on the side wall of the first connecting block (137) at intervals, the connecting teeth (138) are arranged on the side wall of the first connecting groove (135) at intervals, the connecting teeth (138) are arranged at intervals, the lowest teeth (138) are arranged at intervals, and are arranged at the positions, close to the first connecting teeth (301) and are arranged on the lowest connecting teeth (301);

the bottom wall of the connecting disc (133) is provided with a third connecting groove (139), the third connecting groove (139) is communicated with the first connecting groove (135), the side wall of the third connecting groove (139) is connected with a fixed block (140), a first limiting block (141) and a first limiting spring (142), the fixed block (140) is fixedly connected with the side wall of the third connecting groove (139) far away from the first water tank (301), the middle part of the first limiting block (141) is hinged with one side of the third connecting groove (139) far away from the absorption tower (1), the first limiting spring (142) is vertically arranged on the fixed block (140), two ends of the first limiting spring (142) are respectively connected with the top surface of the fixed block (140) and the bottom surface of the first limiting block (141), one end of the first limiting block (141) far away from the first water tank (301) is inserted between two connecting teeth (138) and is abutted with the connecting teeth (138), the first limiting block (141) is close to the first limiting block (141) and extends downwards to the first side wall (132) of the absorption tower (1), the belt (134) is sleeved on the outer wall of the first rotating disc (131) and the outer wall of the second rotating disc (132);

One end of the first control line group (123) is connected to the first rotating block (121) and is wound on the first rotating block (121), and the other end of the first control line group (123) is connected to the second rotating disc (132) and is wound on the second rotating disc (132);

the utility model discloses a belt, including first water tank (301), first water tank (301) lateral wall is connected with first sliding block (16), first sliding groove (17) have been seted up on first sliding block (16), belt (134) slip peg graft in first sliding groove (17), when first water tank (301) are located the top, first sliding block (16) with first stopper (141) butt, belt (134) are close to one side fixedly connected with second sliding block (18) of first water tank (301), second sliding block (18) are located in the vertical direction the bottom of belt (134), first sliding block (16) with second sliding block (18) are in vertical direction position correspondence.

3. An exhaust gas treatment device as claimed in claim 2, wherein: the side wall of the absorption tower (1) is fixedly connected with a fixed pipe (15), and one end of the first control line group (123) is connected with the second rotating disc (132) and penetrates through the fixed pipe (15) to be connected with the first rotating block (121).

4. An exhaust gas treatment device as claimed in claim 2, wherein: the flushing assembly (3) further comprises a second water tank (305), a first water inlet (302) is formed in the top of the first water tank (301), a first water drain pipe (304) is communicated with the bottom of the first water tank (301), a first switch piece (7) is arranged on the first water drain pipe (304), the first switch piece (7) controls the water draining state of the first water drain pipe (304), a water inlet pipe (203) is arranged on the side wall of the absorption tower (1), the water inlet pipe (203) drains water towards the inside of the first water tank (301) through the first water inlet (302), the second water tank (305) is fixedly connected to the side wall of the absorption tower (1), the second water tank (305) corresponds to the first water tank (301) in position in the vertical direction, the second water tank (305) is arranged below the first water tank (301), a second water inlet (306) is formed in the top of the second water tank (305), the bottom wall of the second water tank (305) is communicated with the second water drain pipe (307), and the second water tank (307) drains water towards the inside of the absorption tower (1);

be equipped with first control assembly (4) and second control assembly (8) on absorption tower (1), first control assembly (4) are used for controlling first water tank (301) are reciprocating motion in vertical direction, second control assembly (8) are used for opening first switch piece (7) when first water tank (301) are moved to the bottom, and when first water tank (301) are discharged, are fixed second water tank (305).

5. An exhaust gas treatment device as claimed in claim 4, wherein: the first control assembly (4) comprises a buoyancy ball (501), two second control line groups (502), two second limiting blocks (503), two third limiting blocks (504), two second limiting springs (505), a second connecting block (506) and two connecting frames (507), wherein a connecting rod (508) is connected to the buoyancy ball (501), one end of the connecting rod (508) is rotationally connected to the side wall of the absorption tower (1), the buoyancy ball (501) corresponds to the first water tank (301) in position in the vertical direction, and when the first water tank (301) moves to the top position, the buoyancy ball (501) is positioned in the first water tank (301);

the two connecting frames (507) are connected to the side wall of the absorption tower (1), the two connecting frames (507) are respectively arranged on the two sides of the buoyancy ball (501), the connecting frames (507) are respectively provided with a sliding groove (510), the sliding grooves (510) extend along the horizontal direction, the sliding grooves (510) penetrate through the connecting frames (507) in the vertical direction, the two second limiting blocks (503) are respectively connected in the sliding grooves (510) in a sliding manner, the two second limiting springs (505) are respectively connected to the two second limiting blocks (503), the two ends of each second limiting spring (505) are respectively connected to the side wall of the absorption tower (1) and the side wall of each second limiting block (503), the second limiting springs (505) are horizontally arranged, the second limiting blocks (503) have a trend of moving towards the direction far away from the absorption tower (1), and the third limiting blocks (504) are connected to one side, close to the absorption tower (1), of the first water tank (301).

The third limiting block (504) is obliquely arranged near one side of the absorption tower (1), the top surface area of the third limiting block (504) is smaller than the bottom surface area of the third limiting block (504), the second limiting block (503) is obliquely arranged near one side of the first water tank (301), the top surface area of the second limiting block (503) is larger than the bottom surface area of the second limiting block (503), the positions of the second limiting block (503) and the third limiting block (504) in the vertical direction correspond to each other, one end of the second control line group (502) is connected with the connecting rod (508), and the other end of the second control line group (502) is connected with one side, far away from the first water tank (301), of the second limiting block (503);

the second connecting block (506) is connected to the inner wall of the first water tank (301), the water inlet pipe (203) is connected to the side wall of the absorption tower (1), a second switch piece (303) is arranged on the water inlet pipe (203), the second connecting block (506) corresponds to the second switch piece (303) in position in the vertical direction, and when the first water tank (301) is located at the top position, the second connecting block (506) is abutted to the second switch piece (303) and opens the water inlet pipe (203) to drain water.

6. An exhaust gas treatment device as defined in claim 5, wherein: the first switch piece (7) comprises a connecting cover (701), wherein the connecting cover (701) is arranged on the inner bottom wall of the first water tank (301), one side of the connecting cover (701) is hinged with the inner bottom wall of the first water tank (301), the connecting cover (701) is matched with the first water drain pipe (304), and the connecting cover (701) seals the top of the first water drain pipe (304);

The second control assembly (8) comprises a push rod (901), a sliding rod (902) and a top plate (903), wherein a second sliding groove (904) is formed in the side wall of the first water drain pipe (304), the second sliding groove (904) penetrates through the first water drain pipe (304) in the horizontal direction, the second sliding groove (904) extends along the vertical direction, the sliding rod (902) is horizontally arranged, both ends of the sliding rod (902) penetrate through the second sliding groove (904) and extend out of the first water drain pipe (304), the sliding rod (902) is in sliding connection with the second sliding groove (904) in the vertical direction, the push rod (901) is vertically arranged on the top surface of the sliding rod (902), the push rod (901) is in butt joint with the bottom surface of the connecting cover (701), the top plate (903) is connected with the inner wall of the second water tank (305), a third sliding groove (905) is formed in the top plate (903), and the third sliding groove (905) penetrates through the first water drain pipe (904) in the vertical direction.

7. An exhaust gas treatment device as defined in claim 6, wherein: the second control assembly (8) further comprises a first limiting rod (101), two second limiting rods (102) and two limiting plates (103), wherein the two limiting plates (103) are arranged in the first water drain pipe (304), the limiting plates (103) are positioned below the second sliding grooves (904) in the vertical direction, the two limiting plates (103) are matched to form a cylinder and are arranged at intervals with the inner wall of the first water drain pipe (304), one side of each limiting plate (103) is connected with a connecting ring (104), the two connecting rings (104) are sleeved on the first limiting rod (101), the connecting rings (104) are rotatably connected to the first limiting rods (101), one ends of the two second limiting rods (102) are respectively connected in the connecting rings (104) in a sliding mode, sliding holes (105) are formed in the two opposite side walls of the first water drain pipe (304), the sliding holes (105) penetrate through the first water drain pipe (304) in the horizontal direction, and the two limiting rods (102) are respectively connected to the sliding holes (105);

One side of the second limiting rod (102) far away from the first limiting rod (101) is connected with a limiting strip (106), one end of the limiting strip (106) far away from the second limiting rod (102) stretches out of the first water drain pipe (304), one end of the second limiting rod (102) far away from the first limiting rod (101) is connected with a sliding block (108), limiting grooves (107) are formed in two opposite sides of the inner wall of the first water drain pipe (304), the limiting grooves (107) are communicated with the sliding holes (105), the sliding block (108) are slidably inserted into the limiting grooves (107), a reset spring (109) is arranged between one side of the sliding block (108) far away from the first limiting rod (101) and the side wall of the limiting groove (107), one side of the sliding block (108) near the first limiting rod (101) is connected with a threaded strip (110), the threaded strip (110) is wound on the second limiting rod (102), the threaded strip (110) is connected with the threaded strip (111) in an axial direction, and the two sides of the threaded strip (110) are far away from the first limiting rod (101);

when the limiting plate (103) is horizontally arranged, the limiting strip (106) is retracted in the sliding hole (105), and when the limiting plate (103) rotates downwards, the control strip (111) is abutted to the threaded strip (110) and enables the threaded strip (110) to move in the direction away from the first limiting rod (101).

8. An exhaust gas treatment device as defined in claim 7, wherein: the first control assembly (4) further comprises a return spring (601), the return spring (601) is vertically arranged, one end of the return spring (601) is connected to the bottom surface of the connecting frame (507), and the other end of the return spring (601) is connected to one side, close to the absorption tower (1), of the first water tank (301).

9. An exhaust gas treatment device as claimed in claim 1, wherein: one end of the air inlet pipeline (011) extends into the absorption tower (1), and an opening of the air inlet pipeline (011) in the absorption tower (1) faces downwards.