CN111905560B

CN111905560B - Photocatalytic oxidation treatment odor treatment device and treatment method

Info

Publication number: CN111905560B
Application number: CN202010681021.XA
Authority: CN
Inventors: 张先琼
Original assignee: Shenzhen Fangyuan Environmental Protection Technology Co ltd
Current assignee: Shenzhen Fangyuan Environmental Protection Technology Co ltd
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2022-11-08
Anticipated expiration: 2040-07-15
Also published as: CN111905560A

Abstract

The invention discloses a photocatalytic oxidation treatment odor treatment device and a treatment method in the technical field of gas treatment, wherein two groups of light source reflection adjusting components are symmetrically arranged in an inner cavity of a photocatalytic oxidation component, the light source reflection adjusting components are driven to operate by a driving component, the photocatalytic oxidation component is connected with a circulating pipeline component, and the circulating pipeline component is connected with an odor pretreatment component.

Description

Photocatalytic oxidation treatment odor treatment device and treatment method

Technical Field

The invention relates to the technical field of gas treatment, in particular to a photocatalytic oxidation treatment odor treatment device and a photocatalytic oxidation treatment odor treatment method.

Background

With the continuous expansion of human production and living activities, the organic waste gas discharged by industry is increasing day by day, which causes environmental deterioration, causes the problems of acid rain, acid mist, photochemical smog, respiratory diseases and the like, and brings immeasurable harm to human body. The technical problem of controlling, reducing and eradicating the emission of the pollutants is all over the world. The organic waste gas has various types, complex composition, irregular concentration change, huge flow and great treatment difficulty.

Currently, most of odor is treated by a photocatalytic oxidation technology, but the light ray line emitted by the used UV light source is fixed and cannot be in efficient contact with the odor, so that the treatment efficiency and quality are reduced; meanwhile, excessive impurities in the odor can affect the transmission path of light, so that the treatment effect of the UV light source is affected; therefore, a photocatalytic oxidation treatment odor treatment device and a treatment method are provided.

Disclosure of Invention

The present invention is directed to provide an odor treatment device and method using photocatalytic oxidation to solve the above-mentioned problems of the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a photocatalytic oxidation handles odor treatment device, includes the photocatalytic oxidation subassembly, photocatalytic oxidation subassembly inner chamber symmetry is equipped with two sets of light source reflection adjustment subassemblies, light source reflection adjustment subassembly orders about the operation through drive assembly, the photocatalytic oxidation subassembly is connected with the circulation pipeline subassembly, the circulation pipeline subassembly is connected with odor pretreatment subassembly.

Further, the photocatalytic oxidation subassembly is including handling the case, it is equipped with the air filter section of thick bamboo to handle roof portion, just it is equipped with the UV light source to handle incasement chamber, UV light source below is equipped with the photocatalytic plate, it is equipped with the board that condenses to handle incasement chamber bottom.

Further, the light source reflection adjusting assembly comprises a fixed plate arranged in an inner cavity of the treatment box, a fixed seat is fixedly connected to the surface of the fixed plate, a lower fixed seat is arranged below the upper fixed seat, a driving piece is arranged between the upper fixed seat and the lower fixed seat, a transmission gear ring is fixedly sleeved on the outer wall of the driving piece, an installation rod penetrating through the upper fixed seat and the lower fixed seat is fixedly inserted into the inner cavity of the movable connecting piece, one end of the installation rod is fixedly connected with the light reflection plate, the other end of the installation rod is fixedly connected with the connecting piece, and the connecting piece is inserted into the supporting seat.

Furthermore, the driving part is of a structure with truncated cone structures at two ends and a straight rod in the middle, movable grooves matched with the driving part are formed in the upper fixing seat and the lower fixing seat, the connecting part is of a fixing block structure with a belt groove formed in the outer wall, and the light reflecting plate is of a sector structure with a central angle larger than 150 degrees.

Furthermore, the driving assembly comprises a transmission belt connected with the connecting piece, the transmission belt is in transmission connection with a transmission wheel, a transmission shaft is fixedly inserted on the transmission wheel, one end of the transmission shaft is fixedly connected with a gear disc, the gear disc is in meshing connection with a transmission gear ring, the transmission wheel is in transmission connection with a driving wheel and a linkage belt, the driving wheel is connected with the output end of the double-shaft motor through a rotating shaft, and the two groups of driving assemblies share one double-shaft motor.

Further, the circulation pipeline subassembly includes the wet return of being connected with processing bottom of the case portion, the play water end and the cold water ware of wet return are connected, the play water end and the aqueduct one end of cold water ware are connected, the aqueduct other end is connected with foul smell preliminary treatment subassembly, the circulation pipeline subassembly still includes intake pipe and the outlet duct of being connected with foul smell preliminary treatment subassembly, the end of giving vent to anger of outlet duct is connected with processing case, just be equipped with the drying tube on the pipeline of outlet duct.

Further, the odor pretreatment component comprises a pretreatment barrel, a spray disc is arranged at the top of an inner cavity of the pretreatment barrel, a flow guide channel is arranged below the spray disc, an air filtering frame is arranged right below the flow guide channel, spoilers are distributed in the flow guide channel in a staggered mode, and a water outlet with a valve is arranged at the bottom of the pretreatment barrel.

Further, the air filter screen is arranged on the outermost side of the inner surface of the air filtering frame, the filter screen is arranged on the inner side of the air filter screen, the activated carbon filter screen is arranged on the inner side of the filter screen, and the air filter screen, the filter screen and the activated carbon filter screen are arranged adjacently at intervals of 5 cm.

A method for treating odor through photocatalytic oxidation treatment, which specifically comprises the following steps,

s1: introducing odor into the inner cavity of the pretreatment cylinder through an air inlet pipe, sequentially passing through an air filter screen, a filter plate and an active carbon filter screen, effectively filtering most large-particle impurities doped in the odor, and performing condensation spraying treatment on the odor through a spraying disc and a water cooler to greatly remove impurities in the odor, so that the treatment effect of photocatalytic oxidation is greatly improved;

s2: the pretreated odor enters the treatment box through the air outlet pipe and the drying pipe, the photocatalytic oxidation treatment of the odor is realized through the UV light source and the photocatalytic plate, the purification function is achieved, the odorous substances in the gas are decomposed and oxidized into carbon dioxide and water, the decomposed water is concentrated on the water condensation plate and is input into the water cooler through the water return pipe, a water source is provided for the condensation spraying treatment of the odor, the recycling of the decomposed water is realized, and the water resource is effectively utilized;

s3: control biax motor work, order about drive wheel and linkage belt and drive the transmission shaft and rotate, thereby it rotates to drive driving belt and toothed disc in step, driving belt drives the connecting piece and rotates, toothed disc drives the transmission ring gear and rotates, thereby it does the rotatory action round last fixing base axis to drive installation pole cooperation driving piece, make the light reflecting plate do the removal of multi-angle, the light source to UV light source transmission carries out the multi-angle reflection, the contact efficiency of increase light and foul smell, the efficiency of the quality of processing has been improved.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, light adjustment of the UV light source is realized through the light source reflection adjusting component, the work of the double-shaft motor is controlled, the driving wheel and the linkage belt are driven to drive the transmission shaft to rotate, the gear disc drives the transmission gear ring to rotate, so that the mounting rod is driven to be matched with the driving piece to rotate around the central axis of the upper fixing seat, the light reflecting plate moves in multiple angles, the light source emitted by the UV light source is reflected in multiple angles, the contact efficiency of the light and odor is increased, and the treatment quality and efficiency are improved; the odor is introduced into the inner cavity of the pretreatment cylinder through the air inlet pipe and sequentially passes through the air filter screen, the filter plate and the active carbon filter screen, most of large-particle impurities doped in the odor are effectively filtered, and the odor is subjected to condensation spraying treatment through the spraying disc and the water cooler, so that the impurities in the odor are greatly removed, and the photocatalytic oxidation treatment effect is greatly improved; and the collection operation of water after decomposing the odor is realized through the circulating pipeline assembly, and the water is reused in the pretreatment condensation spraying treatment of the odor in the odor pretreatment assembly, so that the water resource is effectively utilized, and the utilization efficiency is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a light source reflection adjustment assembly according to the present invention;

FIG. 3 is a schematic view of the odor pre-treating component of the present invention;

FIG. 4 is a schematic view of the structure of the air filtering frame of the present invention.

In the figure: 100. a photocatalytic oxidation assembly; 101. a treatment tank; 102. an air filtration cartridge; 103. a UV light source; 104. a photocatalytic plate; 105. a water condensation plate; 200. a light source reflection adjustment assembly; 201. a fixing plate; 202. an upper fixed seat; 203. a lower fixed seat; 204. a drive member; 205. a transmission gear ring; 206. mounting a rod; 207. a light reflecting plate; 208. a connecting member; 300. a drive assembly; 301. a drive belt; 302. a driving wheel; 303. a drive shaft; 304. a gear plate; 305. a linkage belt; 306. a drive wheel; 307. a rotating shaft; 308. a double-shaft motor; 400. a circulation line assembly; 401. a water return pipe; 402. an air inlet pipe; 403. a water cooler; 404. a water conduit; 405. an air outlet pipe; 406. a drying tube; 500. an odor pretreatment component; 501. a pretreatment cylinder; 502. spraying a disc; 503. a flow guide channel; 504. a gas filtering frame; 5041. an active carbon filter screen; 5042. a filter plate; 5043. an air screen; 505. a water outlet; 506. a spoiler.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the present embodiments, certain elements of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the present invention provides a photocatalytic oxidation treatment odor treatment apparatus, including a photocatalytic oxidation assembly 100, two sets of light source reflection adjustment assemblies 200 are symmetrically disposed in an inner cavity of the photocatalytic oxidation assembly 100, light adjustment of a UV light source 103 is realized through the light source reflection adjustment assemblies 200, contact efficiency of light and odor is increased, treatment quality and efficiency are improved, the light source reflection adjustment assemblies 200 are driven to operate through a driving assembly 300, the photocatalytic oxidation assembly 100 is connected with a circulation pipeline assembly 400, a function of collecting and recycling water after odor decomposition is realized through the circulation pipeline assembly 400, water resources are effectively utilized, the circulation pipeline assembly 400 is connected with the odor pretreatment assembly 500, condensation and spray treatment is performed on odor through the odor pretreatment assembly 500, impurities in odor are substantially removed, and a treatment effect of photocatalytic oxidation is improved.

Referring to fig. 1, the photocatalytic oxidation assembly 100 includes a treatment box 101, an air filter 102 is disposed on the top of the treatment box 101, a UV light source 103 is disposed in the inner cavity of the treatment box 101, a photocatalytic plate 104 is disposed below the UV light source 103, impurities in odor are decomposed into carbon dioxide and water by the UV light source 103 and the photocatalytic plate 104, so as to achieve a purifying effect and avoid the problem of pollution to the atmosphere caused by direct discharge, a water condensing plate 105 is disposed on the bottom of the inner cavity of the treatment box 101, and the decomposed water is collected by the water condensing plate 105 for pretreatment operation of the odor, thereby effectively utilizing water resources.

Referring to fig. 2, the light source reflection adjustment assembly 200 includes a fixing plate 201 disposed in an inner cavity of the treatment chamber 101, an upper fixing seat 202 is fixedly connected to a surface of the fixing plate 201, a lower fixing seat 203 is disposed below the upper fixing seat 202, a driving member 204 is disposed between the upper fixing seat 202 and the lower fixing seat 203, a transmission ring gear 205 is fixedly sleeved on an outer wall of the driving member 204, an installation rod 206 penetrating through the upper fixing seat 202 and the lower fixing seat 203 is fixedly inserted into an inner cavity of the movable connecting member 208, one end of the installation rod 206 is fixedly connected to a light reflection plate 207, light emitted from the UV light source 103 is reflected by the light reflection plate 207, so as to increase a contact area with odor, the other end of the installation rod 206 is fixedly connected to the connecting member 208, the connecting member 208 is inserted into the support seat, a dual-axis motor 308 is controlled to operate, a driving wheel 306 and a linkage belt 305 are driven to drive a transmission shaft 303 to rotate, so as to synchronously drive the transmission belt 301 and a gear disc 304 to rotate, the transmission belt 301 drives the connecting member 304 to drive the installation rod 206 to rotate around a central axis of the upper fixing seat 202, so as to move the light reflection plate 207 in multiple angles, to reflect light emitted from the light source 103, thereby increasing the contact efficiency of the odor.

Referring to fig. 2, the driving member 204 is a structure with two truncated cone ends and a straight rod in the middle, the upper fixing base 202 and the lower fixing base 203 are provided with a movable groove adapted to the driving member 204, so that the driving member can rotate around the central axis of the upper fixing base 202 between the upper fixing base 202 and the lower fixing base 203, the connecting member 208 is a fixing block structure with a belt groove on the outer wall, so that the driving belt 301 can drive the connecting member 208 to rotate, thereby driving one end of the mounting rod 206 to rotate around the central axis of the upper fixing base 202, and the light reflecting plate 207 is a fan-shaped structure with a central angle greater than 150 °.

Referring to fig. 1 and 2, the driving assembly 300 includes a driving belt 301 connected to the connecting member 208, the driving belt 301 is in driving connection with a driving wheel 302, a driving shaft 303 is fixedly inserted on the driving wheel 302, one end of the driving shaft 303 is fixedly connected to a gear disc 304, the gear disc 304 is engaged with a driving gear ring 205, the driving wheel 302 is in driving connection with a driving wheel 306 and a linkage belt 305, the driving wheel 306 is connected to an output end of a double-shaft motor 308 through a rotating shaft 307, and the double-shaft motor 308 synchronously drives two sets of light source reflection adjusting assemblies 200 in the inner cavity of the treatment box to work together, so that light emitted by the UV light source 103 is reflected in two directions in multiple angles, thereby further improving the quality and efficiency of odor treatment, and the two sets of driving assemblies 300 share one double-shaft motor 308.

Referring to fig. 1, the circulation pipeline assembly 400 includes a water return pipe 401 connected to the bottom of the treatment tank 101, the water outlet end of the water return pipe 401 is connected to a water cooler 403, the water outlet end of the water cooler 403 is connected to one end of a water guide pipe 404, the other end of the water guide pipe 404 is connected to an odor pretreatment assembly 500, the pretreated odor enters the treatment tank 101 through an air outlet pipe 405 and a drying pipe 406, the photocatalytic oxidation treatment of the odor is realized through a UV light source 103 and a photocatalytic plate 104, so as to achieve a purification function, the odorous substances in the gas are decomposed and oxidized into carbon dioxide and water, the decomposed water is concentrated on a water condensation plate 105 and is input into the water cooler through the water return pipe 401, so as to provide a water source for the condensation spraying treatment of the odor, so as to realize the recycling of the decomposed water, the circulation pipeline assembly 400 further includes an air inlet pipe 402 and an air outlet pipe 405 connected to the odor pretreatment assembly 500, the air outlet end of the air outlet pipe 405 is connected to the treatment tank 101, and the drying pipe 406 is provided on the drying pipe 406, an inner cavity of the drying pipe 406 is provided to dry the drying treatment tank, so as to avoid the problem that the subsequent wet odor treatment of the photocatalytic oxidation treatment of the photocatalytic oxygen is affected by the photocatalytic treatment.

Referring to fig. 3, the odor pretreatment assembly 500 includes a pretreatment cylinder 501, a spray tray 502 is disposed on the top of an inner cavity of the pretreatment cylinder 501, a flow guide channel 503 is disposed below the spray tray 502, an air filtering frame 504 is disposed under the flow guide channel 503, spoilers 506 are distributed in the flow guide channel 503 in a staggered manner, and the arrangement of the spoilers 506 can prolong the time of the odor and the time of the flow guide channel 503, thereby improving the quality of condensation treatment, a water outlet 505 having a valve is disposed at the bottom of the pretreatment cylinder 501, the odor is introduced into the inner cavity of the pretreatment cylinder 501 through an air inlet pipe 402, and passes through an air filter 5043, a filter 5042 and an active carbon filter 5041 in sequence, so as to effectively filter most large-particle impurities doped therein, and the odor is subjected to condensation spraying treatment through the spray tray 502 and a water cooler 403, thereby greatly removing impurities in the odor, and greatly improving the treatment effect of photocatalytic oxidation.

Referring to fig. 4, an air filter screen 5043 is disposed on the outermost side of the inner surface of the air filtering frame 504, a filter screen 5042 is disposed on the inner side of the air filter screen 5043, an activated carbon filter screen 5041 is disposed on the inner side of the filter screen 5042, the air filter screen 5043, the filter screen 5042 and the activated carbon filter screen 5041 are disposed at intervals of 5cm, and when the air filter screen 5043, the filter screen 5042 and the activated carbon filter screen 5041 are sprayed by condensation spraying, the sprayed cold water can flush and clean the air filter screen 5043, the filter screen 5042 and the activated carbon filter screen 5041.

s1: introducing odor into the inner cavity of the pretreatment cylinder 501 through the air inlet pipe 402, sequentially passing through an air filter 5043, a filter 5042 and an active carbon filter 5041, effectively filtering most large-particle impurities doped in the odor, performing condensation spraying treatment on the odor through the spraying disc 502 and the water cooler 403, and greatly removing impurities in the odor, so that the treatment effect of photocatalytic oxidation is greatly improved;

s2: pretreated odor enters the treatment box 101 through the air outlet pipe 405 and the drying pipe 406, photocatalytic oxidation treatment on the odor is realized through the UV light source 103 and the photocatalytic plate 104, the purification function is achieved, malodorous substances in the gas are decomposed and oxidized into carbon dioxide and water, the decomposed water is concentrated on the water condensation plate 105 and is input into the water cooler 403 through the water return pipe 401, a water source is provided for condensation spraying treatment of the odor, recycling of the decomposed water is realized, and water resources are effectively utilized;

s3: the double-shaft motor 308 is controlled to work, the driving wheel 306 and the linkage belt 305 are driven to drive the transmission shaft 303 to rotate, the transmission belt 301 and the gear disc 304 are synchronously driven to rotate, the transmission belt 301 drives the connecting piece 208 to rotate, the gear disc 304 drives the transmission gear ring 205 to rotate, the installation rod 206 is driven to be matched with the driving piece 204 to rotate around the central axis of the upper fixing seat 202, the light reflecting plate 207 can move in multiple angles, light emitted by the UV light source 103 can be reflected in multiple angles, the contact efficiency of light and odor is increased, and the treatment quality efficiency is improved.

The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A photocatalytic oxidation treatment odor treatment device is characterized in that: the device comprises a photocatalytic oxidation assembly (100), wherein two groups of light source reflection adjusting assemblies (200) are symmetrically arranged in the inner cavity of the photocatalytic oxidation assembly (100), the light source reflection adjusting assemblies (200) are driven to operate by a driving assembly (300), the photocatalytic oxidation assembly (100) is connected with a circulating pipeline assembly (400), and the circulating pipeline assembly (400) is connected with an odor pretreatment assembly (500);

the photocatalytic oxidation assembly (100) comprises a treatment box (101), an air filter cylinder (102) is arranged at the top of the treatment box (101), a UV light source (103) is arranged in the inner cavity of the treatment box (101), a photocatalytic plate (104) is arranged below the UV light source (103), and a water condensation plate (105) is arranged at the bottom of the inner cavity of the treatment box (101);

the light source reflection adjusting assembly (200) comprises a fixing plate (201) arranged in an inner cavity of a treatment box (101), an upper fixing seat (202) is fixedly connected to the surface of the fixing plate (201), a lower fixing seat (203) is arranged below the upper fixing seat (202), a driving part (204) is arranged between the upper fixing seat (202) and the lower fixing seat (203), a transmission gear ring (205) is fixedly sleeved on the outer wall of the driving part (204), an installation rod (206) penetrating through the upper fixing seat (202) and the lower fixing seat (203) is fixedly inserted into the inner cavity of the transmission gear ring (205), one end of the installation rod (206) is fixedly connected with a light reflecting plate (207), the other end of the installation rod (206) is fixedly connected with a connecting piece (208), and the connecting piece (208) is inserted into the supporting seat;

the driving part (204) is in a structure with two ends in a circular truncated cone structure and a straight rod in the middle, the upper fixing seat (202) and the lower fixing seat (203) are provided with movable grooves matched with the driving part (204), the connecting part (208) is in a fixed block structure with a belt groove on the outer wall, and the light reflecting plate (207) is in a fan-shaped structure with a central angle larger than 150 degrees;

the driving assembly (300) comprises a transmission belt (301) connected with a connecting piece (208), the transmission belt (301) is in transmission connection with a transmission wheel (302), a transmission shaft (303) is fixedly inserted into the transmission wheel (302), one end of the transmission shaft (303) is fixedly connected with a gear disc (304), the gear disc (304) is in meshing connection with a transmission gear ring (205), the transmission wheel (302) is in transmission connection with a driving wheel (306) and a linkage belt (305), the driving wheel (306) is connected with the output end of a double-shaft motor (308) through a rotating shaft (307), and two groups of driving assemblies (300) share one double-shaft motor (308);

the circulating pipeline assembly (400) comprises a water return pipe (401) connected with the bottom of the treatment tank (101), the water outlet end of the water return pipe (401) is connected with a water cooler (403), the water outlet end of the water cooler (403) is connected with one end of a water guide pipe (404), the other end of the water guide pipe (404) is connected with an odor pretreatment assembly (500), the circulating pipeline assembly (400) further comprises an air inlet pipe (402) and an air outlet pipe (405) which are connected with the odor pretreatment assembly (500), the air outlet end of the air outlet pipe (405) is connected with the treatment tank (101), and a drying pipe (406) is arranged on a pipeline of the air outlet pipe (405);

the odor pretreatment component (500) comprises a pretreatment barrel (501), a spray disc (502) is arranged at the top of an inner cavity of the pretreatment barrel (501), a flow guide channel (503) is arranged below the spray disc (502), an air filtering frame (504) is arranged right below the flow guide channel (503), spoilers (506) are distributed in the flow guide channel (503) in a staggered manner, and a water outlet (505) with a valve is arranged at the bottom of the pretreatment barrel (501);

an air filter screen (5043) is arranged on the outermost side of the inner surface of the air filtering frame (504), a filter screen (5042) is arranged on the inner side of the air filter screen (5043), an activated carbon filter screen (5041) is arranged on the inner side of the filter screen (5042), and the air filter screen (5043), the filter screen (5042) and the activated carbon filter screen (5041) are arranged adjacently at intervals of 5 cm;

the device executes the photocatalytic oxidation treatment method of odor, and concretely comprises the following steps,

s1: introducing odor into the inner cavity of the pretreatment cylinder (501) through an air inlet pipe (402), sequentially passing through an air filter screen (5043), a filter plate (5042) and an active carbon filter screen (5041), effectively filtering most of large-particle impurities doped in the odor, and performing condensation spraying treatment on the odor through a spraying disc (502) and a water cooler (403), so that impurities in the odor are greatly removed, and the treatment effect of photocatalytic oxidation is greatly improved;

s2: pretreated odor enters a treatment box (101) through an air outlet pipe (405) and a drying pipe (406), photocatalytic oxidation treatment on the odor is realized through a UV light source (103) and a photocatalytic plate (104), a purification function is achieved, odor substances in gas are decomposed and oxidized into carbon dioxide and water, the decomposed water is concentrated on a water condensation plate (105) and is input into a water cooler (403) through a water return pipe (401), a water source is provided for condensation spraying treatment of the odor, recycling of the decomposed water is realized, and water resources are effectively utilized;

s3: the double-shaft motor (308) is controlled to work, the driving wheel (306) and the linkage belt (305) are driven to drive the transmission shaft (303) to rotate, so that the transmission belt (301) and the gear disc (304) are synchronously driven to rotate, the transmission belt (301) drives the connecting piece (208) to rotate, the gear disc (304) drives the transmission gear ring (205) to rotate, the mounting rod (206) is driven to be matched with the driving piece (204) to rotate around the central axis of the upper fixing seat (202), the light reflecting plate (207) can move in multiple angles, light emitted by the UV light source (103) can be reflected in multiple angles, the contact efficiency of light and odor is increased, and the treatment quality efficiency is improved.