CN218530449U

CN218530449U - Harmless waste gas treatment system for livestock and poultry died of diseases

Info

Publication number: CN218530449U
Application number: CN202222675445.2U
Authority: CN
Inventors: 项纪超
Original assignee: Zhucheng Xinshengyuan Machinery Co ltd
Current assignee: Zhucheng Xinshengyuan Machinery Co ltd
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2023-02-28
Anticipated expiration: 2032-10-11

Abstract

The utility model relates to the technical field of livestock and poultry processing dying of illness, in particular to a harmless waste gas treatment system for livestock and poultry dying of illness, which adopts a mode of dispersion aeration in water to improve the effect of waste gas washing processing, integrates all processing units into a processing tower and reduces the occupied area; comprises a treatment tower, an active carbon filter layer is arranged in the middle of the treatment tower, and a photo-oxygen catalyst is arranged on the upper part of the active carbon filter layer; alkaline water is injected to the bottom of a treatment cavity of the treatment tower, a fan is installed at the input end of an air supply mechanism, the fan is located outside the treatment tower, the output end of the air supply mechanism extends into the alkaline water, a plurality of air supply pipes are rotatably installed at the output end of the air supply mechanism, the air supply mechanism is provided with a plurality of driving assemblies for stirring the air supply pipes, a plurality of air outlet nozzles are arranged on the back water surfaces of the air supply pipes, the air outlet nozzles disperse waste gas into tiny bubbles and evenly distribute the tiny bubbles in the alkaline water, a spraying mechanism is installed at the upper part of a photo-oxidation catalyst, and the spraying mechanism sprays acidic water mist to neutralize the waste gas.

Description

Harmless waste gas treatment system for livestock and poultry died of diseases

Technical Field

The utility model relates to a technical field of beasts and birds of dying of illness processing especially relates to a beasts and birds innocent waste gas treatment system of dying of illness.

Background

The harmless treatment of the dead livestock and poultry is widely applied by a method comprising the following steps of; firstly, crushing livestock and poultry died of diseases: secondly, directly heating the fragments of the livestock and poultry died of the disease by using high-temperature and high-pressure steam, carrying out wet decomposition on the livestock and poultry died of the disease, and killing germs and the like: thirdly, indirectly heating the decomposed product of the livestock and poultry died of the disease obtained in the second step by using high-temperature steam, and drying the livestock and poultry died of the disease into slag to further kill germs; and step four, treating the obtained waste residues and waste liquid.

In actual work, a large amount of waste gas is generated in the second step and the third step, the waste gas contains a large amount of water vapor, solid particles, organic waste gas, acid gas and the like, the waste gas can be discharged after reaching the standard after being treated, most of the existing harmless waste gas treatment systems for livestock and poultry died of diseases are divided into a plurality of independent treatment units and are sequentially connected through gas transmission pipelines, a spray tower is arranged in the treatment units, the waste gas is contacted with water mist in the spray tower, the water vapor, most of particles and the acid gas in the waste gas are dissolved into the water mist, but the contact time of the waste gas and the water mist is short and the contact is insufficient, so that the treatment effect of the waste gas in the spray tower is poor, and the multiple treatment units which are independently and dispersedly arranged cause the low integration level and large floor area of the treatment system.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an adopt aquatic dispersion aeration's mode, improve the effect of waste gas washing processing, all processing units are integrated to treatment tower (1) in, reduce area's beasts and birds innocent treatment system that dies of illness.

The utility model discloses a beasts and birds innocent waste gas treatment system that dies of illness, including treatment tower, fan, active carbon filter layer and light oxygen catalyst converter, the inside of treatment tower is provided with the treatment cavity, and the top of treatment tower is provided with the gas vent, and the gas vent communicates with the treatment cavity, and the active carbon filter layer is installed in the middle part of treatment tower, and the light oxygen catalyst converter is installed on the upper portion of active carbon filter layer, and the active carbon filter layer filters waste gas, and the light oxygen catalyst converter carries out the light catalytic oxidation to waste gas and handles; the device comprises a light-oxygen catalytic converter, and is characterized by also comprising an air supply mechanism, a plurality of water stirring pipes, a plurality of air outlet nozzles and a spraying mechanism, wherein alkaline water is injected into the bottom of a treatment cavity of the treatment tower, a fan is installed at the input end of the air supply mechanism, the fan is positioned outside the treatment tower, the output end of the air supply mechanism extends into the alkaline water, the plurality of water stirring pipes are rotatably installed at the output end of the air supply mechanism, the air supply mechanism is provided with a plurality of driving components for the water stirring pipes, a plurality of air outlet nozzles are arranged on the back surfaces of the plurality of water stirring pipes, the plurality of air outlet nozzles disperse waste gas into tiny bubbles which are uniformly distributed in the alkaline water, the spraying mechanism is installed at the upper part of the light-oxygen catalytic converter, and acidic water mist is sprayed by the spraying mechanism to neutralize the waste gas; the fan starts to suck waste gas generated in the harmless treatment process of livestock and poultry died of illness into the air supply mechanism and pressurizes and accelerates the conveying of the waste gas into the plurality of water stirring pipes, the driving assembly drives the plurality of water stirring pipes to rotate, the plurality of water stirring pipes stir alkaline water, the pressure of the back water surface of the plurality of water stirring pipes is low, the waste gas is dispersed into tiny bubbles through the plurality of air outlet nozzles and is uniformly distributed in the alkaline water, flowing alkaline water collides with the bubbles, the waste gas is kept in long-time full contact with the alkaline water, so that water vapor, solid particles and acidic gas in the waste gas are dissolved into the alkaline water, the dissolving effect is improved, the waste gas washed by the alkaline water rises, water-insoluble particles in the waste gas are filtered by the activated carbon filter layer, the filtered waste gas enters the photo-oxygen catalyst, the photo-oxygen catalyst decomposes organic waste gas in the waste gas into carbon dioxide and water vapor through photo-catalytic oxidation treatment, finally the waste gas enters the upper part of a treatment chamber of the treatment tower, the spraying mechanism sprays acidic water mist to react and treat the alkaline waste gas, the effect of the waste gas is improved, and all the water washing treatment units are integrated into the treatment tower, and the occupied area is reduced.

Preferably, the device also comprises an air suction cover, an air inlet of the fan is connected with an air outlet of the harmless treatment kettle through a waste gas pipeline, the waste gas pipeline is provided with an air inlet branch, the input end of the air inlet branch is provided with the air suction cover, and the air suction cover is positioned in the harmless treatment workshop; when the fan runs, the waste gas in the harmless treatment kettle is pumped out, and simultaneously, the waste gas in the workshop environment is collected and conveyed to the treatment tower through the air suction cover, so that the air quality in the workshop is improved.

Preferably, the air supply mechanism comprises an air supply pipe, a water stirring motor and a rotary joint, wherein the input end of the air supply pipe is connected with an air outlet of the fan, the output end of the air supply pipe extends into a treatment cavity of the treatment tower, the output port of the air supply pipe extends into alkaline water of the treatment tower, the water stirring motor is arranged in the middle of the air supply pipe, the output shaft of the water stirring motor is concentrically and drivingly connected with the rotary joint through a transmission shaft, the rotary joint is rotatably arranged on the output port of the air supply pipe, a plurality of water stirring pipes are uniformly arranged on the outer wall of the rotary joint, the plurality of water stirring pipes are communicated with the air supply pipe through the rotary joint, and a plurality of air outlet nozzles are arranged on the back water surfaces of the plurality of water stirring pipes; during the fan carries a plurality of water pipes that stir with waste gas pressurization with higher speed through gas-supply pipe and rotary joint, stir the water motor and pass through transmission shaft drive rotary joint and a plurality of water pipe rotation of stirring, a plurality of water pipe stirring alkaline water, a plurality of gas outlet nozzle disperse into small bubble cloth with a plurality of waste gas of stirring in the water pipe and scatter to the alkaline aquatic, the alkaline water that flows collides with the bubble for waste gas and alkaline water full contact of longer time, improvement washing dissolving effect.

Preferably, the device also comprises a cooling pipe, wherein the cooling pipe is coiled at the bottom of the treatment chamber of the treatment tower and is positioned below the plurality of stirring pipes; the cooling tube is connected with external cooler, and the cooling tube cools down the alkaline water cooling, with the vapor condensation in the waste gas, reduces the vapor evaporation simultaneously, improves the practicality.

Preferably, the device also comprises a water replenishing pipe and a water draining pipe, wherein the water replenishing pipe and the water draining pipe are both arranged on the outer wall of the lower part of the treatment tower and are both communicated with a treatment cavity of the treatment tower, the water replenishing pipe is positioned below the activated carbon filter layer, and the water draining pipe is positioned below the cooling pipe; the drain pipe is connected with waste water treatment system, after working for a period of time, beats the drain pipe, discharges the waste water in the treatment tower into waste water treatment system through the drain pipe, beats the moisturizing pipe and adds new alkaline water in the treatment tower, conveniently changes alkaline water, improves the simple operation nature.

Preferably, the spraying mechanism comprises a bottom plate, a fence, an upper air pipe, air outlet pipes, a water pump and a spray head, the bottom plate is arranged at the upper part of a treatment cavity of the treatment tower, the bottom plate is positioned above the photo-oxidation catalyst, the fence is arranged at the edge of the bottom plate, a raised air collecting hood is arranged in the middle of the bottom plate, the upper air pipe is arranged in the middle of the air collecting hood, the lower port of the upper air pipe is communicated with the air collecting hood, the upper end of the upper air pipe is closed, the air outlet pipes are uniformly arranged on the side wall of the upper air pipe, the output ports of the air outlet pipes are inclined downwards, the water pump is arranged on the outer wall of the treatment tower, the water inlet pipe of the water pump extends into the bottom plate, the spray head is arranged on the water outlet pipe of the water pump, and the spray head is positioned above the upper air pipe; waste gas after photo-oxidation catalyst treatment gets into in the last trachea through the gas collecting channel of bottom plate and gets into the upper portion of the processing cavity of treatment tower through a plurality of outlet ducts, and the notes of bottom plate are annotated and are had sour water, and the water pump is with sour water through the vaporific blowout of shower nozzle one-tenth water for alkaline gas in the waste gas is fallen by the neutralization reaction, and the outlet duct that inclines down avoids water smoke to leak the well lower part of the processing cavity of treatment tower, improves the practicality.

Compared with the prior art, the beneficial effects of the utility model are that: the fan starts to suck waste gas generated in the harmless treatment process of livestock and poultry died of illness into the air supply mechanism and pressurizes and accelerates the conveying of the waste gas into the plurality of water stirring pipes, the driving assembly drives the plurality of water stirring pipes to rotate, the plurality of water stirring pipes stir alkaline water, the pressure of the back water surface of the plurality of water stirring pipes is low, the waste gas is dispersed into tiny bubbles through the plurality of air outlet nozzles and is uniformly distributed in the alkaline water, flowing alkaline water collides with the bubbles, the waste gas is kept in long-time full contact with the alkaline water, so that water vapor, solid particles and acidic gas in the waste gas are dissolved into the alkaline water, the dissolving effect is improved, the waste gas washed by the alkaline water rises, water-insoluble particles in the waste gas are filtered by the activated carbon filter layer, the filtered waste gas enters the photo-oxygen catalyst, the photo-oxygen catalyst decomposes organic waste gas in the waste gas into carbon dioxide and water vapor through photo-catalytic oxidation treatment, finally the waste gas enters the upper part of a treatment chamber of the treatment tower, the spraying mechanism sprays acidic water mist to react and treat the alkaline waste gas, the effect of the waste gas is improved, and all the water washing treatment units are integrated into the treatment tower, and the occupied area is reduced.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of a semi-section axial structure of the present invention;

FIG. 3 is an enlarged schematic structural view of the fan, the water stirring pipe, the air outlet nozzle, the air supply mechanism and the like;

FIG. 4 is an enlarged schematic view of a spray mechanism or the like;

in the drawings, the reference numbers: 1. a treatment tower; 2. a fan; 3. stirring a water pipe; 4. an air outlet nozzle; 5. an activated carbon filter layer; 6. a photo-oxygen catalyst; 7. an air intake cover; 8. a gas delivery pipe; 9. a water stirring motor; 10. a rotary joint; 11. a cooling tube; 12. a water replenishing pipe; 13. a drain pipe; 14. a base plate; 15. a fence; 16. an upper trachea; 17. an air outlet pipe; 18. a water pump; 19. and (4) a spray head.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Example 1

As shown in fig. 1 to 4, a harmless waste gas treatment system for livestock and poultry died of diseases comprises a treatment tower 1, a fan 2, an active carbon filter layer 5 and a photo-oxidation catalyst 6, wherein a treatment chamber is arranged inside the treatment tower 1, an exhaust port is arranged at the top of the treatment tower 1 and is communicated with the treatment chamber, the active carbon filter layer 5 is arranged in the middle of the treatment tower 1, the photo-oxidation catalyst 6 is arranged at the upper part of the active carbon filter layer 5, the active carbon filter layer 5 filters waste gas, and the photo-oxidation catalyst 6 performs photo-catalytic oxidation treatment on the waste gas; the device is characterized by further comprising an air supply mechanism, a plurality of water stirring pipes 3, a plurality of air outlet nozzles 4 and a spraying mechanism, wherein alkaline water is injected into the bottom of a treatment cavity of the treatment tower 1, a fan 2 is installed at the input end of the air supply mechanism, the fan 2 is located outside the treatment tower 1, the output end of the air supply mechanism extends into the alkaline water, the plurality of water stirring pipes 3 are rotatably installed at the output end of the air supply mechanism, the air supply mechanism is provided with a driving assembly of the plurality of water stirring pipes 3, the plurality of air outlet nozzles 4 are all arranged on the back water surfaces of the plurality of water stirring pipes 3, the plurality of air outlet nozzles 4 disperse waste gas into tiny bubbles which are uniformly distributed in the alkaline water, the spraying mechanism is installed at the upper part of the photo-oxygen catalyst 6, and acidic water mist is sprayed by the spraying mechanism to neutralize the waste gas; the air supply mechanism comprises an air supply pipe 8, a water stirring motor 9 and a rotary joint 10, wherein the input end of the air supply pipe 8 is connected with an air outlet of the fan 2, the output of the air supply pipe 8 extends into a treatment cavity of the treatment tower 1, the output port of the air supply pipe 8 extends into alkaline water of the treatment tower 1, the water stirring motor 9 is arranged in the middle of the air supply pipe 8, the output shaft of the water stirring motor 9 is concentrically and drivingly connected with the rotary joint 10 through a transmission shaft, the rotary joint 10 is rotatably arranged on the output port of the air supply pipe 8, a plurality of water stirring pipes 3 are uniformly arranged on the outer wall of the rotary joint 10, the plurality of water stirring pipes 3 are communicated with the air supply pipe 8 through the rotary joint 10, and a plurality of air outlet nozzles 4 are arranged on the back water surface of the plurality of water stirring pipes 3; the spraying mechanism comprises a bottom plate 14, a fence 15, an upper air pipe 16, air outlet pipes 17, a water pump 18 and a spray head 19, wherein the bottom plate 14 is arranged at the upper part of a treatment cavity of the treatment tower 1, the bottom plate 14 is positioned above the photo-oxidation catalyst 6, the fence 15 is arranged at the edge of the bottom plate 14, a convex air collecting hood is arranged at the middle part of the bottom plate 14, the upper air pipe 16 is arranged at the middle part of the air collecting hood, the lower port of the upper air pipe 16 is communicated with the air collecting hood, the upper end of the upper air pipe 16 is closed, the air outlet pipes 17 are uniformly arranged on the side wall of the upper air pipe 16, the output ports of the air outlet pipes 17 are inclined downwards, the water pump 18 is arranged on the outer wall of the treatment tower 1, the water inlet pipe of the water pump 18 extends into the bottom plate 14, the spray head 19 is arranged on the water outlet pipe of the water pump 18, and the spray head 19 is positioned above the upper air pipe 16;

an air inlet of a fan 2 is connected with air outlets of a plurality of harmless treatment kettles through a waste gas pipeline, the fan 2 is started to suck waste gas generated in the harmless treatment process of livestock and poultry died of illness into a gas conveying pipe 8 and pressurize and accelerate the waste gas to convey a plurality of water stirring pipes 3, a water stirring motor 9 drives a rotary joint 10 and the water stirring pipes 3 to rotate through a transmission shaft, the water stirring pipes 3 stir alkaline water, the pressure of the back surface of the water stirring pipes 3 is lower, the waste gas is dispersed into tiny bubbles through a plurality of air outlet nozzles 4 and is uniformly distributed in the alkaline water, the flowing alkaline water collides with the bubbles, so that the waste gas and the alkaline water are kept in full contact for a long time, and water vapor in the waste gas is condensed, solid particles and acid gas are dissolved into the alkaline water, the waste gas washed by alkaline water rises, water-insoluble particles in the waste gas are filtered by the activated carbon filter layer 5, the filtered waste gas enters the photo-oxidation catalyst 6, the photo-oxidation catalyst 6 decomposes organic waste gas in the waste gas into carbon dioxide and water vapor through photo-catalytic oxidation treatment, the waste gas treated by the photo-oxidation catalyst 6 enters the upper gas pipe 16 through the gas collecting hood of the bottom plate 14 and enters the upper part of the treatment chamber of the treatment tower 1 through a plurality of gas outlet pipes 17, acid water is injected into the bottom plate 14, the water pump 18 sprays the acid water into water mist through the spray nozzle 19, so that the alkaline gas in the waste gas is neutralized and reacted, and the treated waste gas is discharged after reaching the standard.

As shown in fig. 1 to fig. 4, the utility model discloses a beasts and birds innocent treatment system dies of illness, when it is at work, at first fan 2 starts to inhale the waste gas that produces among the beasts and birds innocent treatment process that dies of illness in the gas-supply pipe 8 and pressurizes and accelerate to carry a plurality of water pipes 3 that stir, it drives rotary joint 10 and a plurality of water pipes 3 that stir to stir the water pipe 9, a plurality of water pipes 3 that stir the surface of a back of water pressure is lower, waste gas disperses into tiny bubble through a plurality of air outlet nozzle 4, and evenly distribute in the water of alkali, make the vapor in the waste gas, solid particle and acid gas dissolve in the water of alkali, waste gas through alkaline washing rises, the granule that is insoluble in the waste gas is filtered by active carbon filter layer 5, waste gas after the filtration gets into photo-oxygen catalyst 6, photo-oxygen catalyst 6 decomposes organic waste gas in the waste gas into carbon dioxide and vapor through photo-oxidation treatment, get into in last gas cover through bottom plate 14 gets into in upper air pipe 16 and get into the upper portion of the treatment cavity of treatment tower 1 through a plurality of outlet pipe 17, the upper portion of the injection of gas tower of injection, there is water pump 18 to make the water spray-like reaction water in the water of water pump 18, make the acid gas drop, the acid shower nozzle 18 in the water of water.

The utility model discloses the main function who realizes does:

1. the effect of waste gas washing treatment is improved by adopting a water dispersion aeration mode;

2. all the processing units are integrated into the processing tower, and the occupied area is reduced.

The harmless waste gas treatment system for the dead livestock and poultry of the utility model adopts common mechanical modes as the installation mode, the connection mode or the setting mode, and can be implemented as long as the beneficial effects can be achieved; the utility model discloses a beasts and birds innocent waste gas treatment system that dies of illness 1, fan 2, play gas nozzle 4, active carbon filter layer 5, light oxygen catalyst converter 6, stir water motor 9, cooling tube 11, water pump 18, shower nozzle 19 for purchasing on the market, this industry technical staff only need according to its subsidiary instructions install and operate can, and need not the technical staff in this field and pay out creative work.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A harmless waste gas treatment system for livestock and poultry died of diseases comprises a treatment tower (1), a fan (2), an active carbon filter layer (5) and a photo-oxidation catalyst (6), wherein a treatment chamber is arranged inside the treatment tower (1), an exhaust port is formed in the top of the treatment tower (1), the exhaust port is communicated with the treatment chamber, the active carbon filter layer (5) is arranged in the middle of the treatment tower (1), the photo-oxidation catalyst (6) is arranged on the upper portion of the active carbon filter layer (5), the active carbon filter layer (5) filters waste gas, and the photo-oxidation catalyst (6) performs photo-catalytic oxidation treatment on the waste gas; the device is characterized by further comprising an air supply mechanism, a plurality of stirring pipes (3), a plurality of air outlet nozzles (4) and a spraying mechanism, alkaline water is injected into the bottom of a treatment cavity of the treatment tower (1), a fan (2) is installed at the input end of the air supply mechanism, the fan (2) is located outside the treatment tower (1), the output end of the air supply mechanism extends into the alkaline water, the plurality of stirring pipes (3) are rotatably installed at the output end of the air supply mechanism, the air supply mechanism is provided with a plurality of driving components for stirring the pipes (3), the plurality of air outlet nozzles (4) are arranged on the back water surface of the plurality of stirring pipes (3), the plurality of air outlet nozzles (4) disperse waste gas into tiny bubbles which are uniformly distributed in the alkaline water, the spraying mechanism is installed at the upper part of the photo-oxygen catalyst (6), and the spraying mechanism sprays acidic water mist to neutralize the waste gas.

2. The harmless waste gas treatment system for livestock and poultry died of diseases as claimed in claim 1, further comprising an air suction cover (7), wherein an air inlet of the fan (2) is connected with an air outlet of the harmless treatment kettle through a waste gas pipeline, the waste gas pipeline is provided with an air inlet branch, the air suction cover (7) is installed at an input end of the air inlet branch, and the air suction cover (7) is located in the harmless treatment workshop.

3. The harmless waste gas treatment system for the livestock and poultry died of diseases as claimed in claim 1, characterized in that the gas supply mechanism comprises a gas supply pipe (8), a water stirring motor (9) and a rotary joint (10), the input end of the gas supply pipe (8) is connected with the gas outlet of the fan (2), the output of the gas supply pipe (8) extends into the treatment chamber of the treatment tower (1), and the output port of the gas supply pipe (8) extends into the alkaline water of the treatment tower (1), the water stirring motor (9) is installed in the middle of the gas supply pipe (8), the output shaft of the water stirring motor (9) is in concentric transmission connection with the rotary joint (10) through a transmission shaft, the rotary joint (10) is rotatably installed on the output port of the gas supply pipe (8), a plurality of water stirring pipes (3) are uniformly installed on the outer wall of the rotary joint (10), a plurality of water stirring pipes (3) are communicated with the gas supply pipe (8) through the rotary joint (10), and a plurality of gas outlet nozzles (4) are installed on the back water surface of the plurality of the water stirring pipes (3).

4. The harmless waste gas treatment system for livestock and poultry died of illness according to claim 1, further comprising a cooling pipe (11), wherein the cooling pipe (11) is coiled at the bottom of the treatment chamber of the treatment tower (1), and the cooling pipe (11) is located below the plurality of water stirring pipes (3).

5. The harmless waste gas treatment system for livestock and poultry died of diseases according to claim 4, further comprising a water replenishing pipe (12) and a water discharging pipe (13), wherein the water replenishing pipe (12) and the water discharging pipe (13) are both installed on the outer wall of the lower part of the treatment tower (1), the water replenishing pipe (12) and the water discharging pipe (13) are both communicated with the treatment chamber of the treatment tower (1), the water replenishing pipe (12) is positioned below the activated carbon filter layer (5), and the water discharging pipe (13) is positioned below the cooling pipe (11).

6. The harmless waste gas treatment system for livestock and poultry died of diseases as defined in claim 1, wherein the spraying mechanism comprises a bottom plate (14), a fence (15), an upper air pipe (16), an air outlet pipe (17), a water pump (18) and a spray head (19), the bottom plate (14) is installed on the upper portion of the treatment chamber of the treatment tower (1), the bottom plate (14) is located above the photo-oxygen catalyst (6), the fence (15) is arranged on the edge of the bottom plate (14), a raised air collecting hood is arranged in the middle of the bottom plate (14), the upper air pipe (16) is installed in the middle of the air collecting hood, the lower port of the upper air pipe (16) is communicated with the air collecting hood, the upper end of the upper air pipe (16) is closed, the air outlet pipes (17) are uniformly installed on the side wall of the upper air pipe (16), the outlet ports of the air outlet pipes (17) are all inclined downwards, the water pump (18) is installed on the outer wall of the treatment tower (1), the water inlet pipe of the water pump (18) extends into the bottom plate (14), the spray head (19) is installed on the water outlet pipe (18), and the spray head (19) is located above the upper air pipe (16).