CN216677695U - Pollutant odor treatment and purification device - Google Patents
Pollutant odor treatment and purification device Download PDFInfo
- Publication number
- CN216677695U CN216677695U CN202220305743.XU CN202220305743U CN216677695U CN 216677695 U CN216677695 U CN 216677695U CN 202220305743 U CN202220305743 U CN 202220305743U CN 216677695 U CN216677695 U CN 216677695U
- Authority
- CN
- China
- Prior art keywords
- plate
- box body
- lamp tube
- activated carbon
- photolysis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The utility model discloses a pollutant odor treatment and purification device, which comprises a box body, an air inlet, an air outlet, a UV photolysis mechanism, an activated carbon adsorption mechanism and a return pipe, wherein the box body is provided with a gas inlet and a gas outlet; the UV photolysis mechanism is positioned on one side of the activated carbon adsorption mechanism; the air inlet is positioned at one side of the UV photolysis mechanism, and the air outlet is positioned at one side of the activated carbon adsorption mechanism; one end of the return pipe is connected with one side of the air outlet, and the other end of the return pipe is connected with one side of the air inlet; the UV photolysis mechanism comprises a transparent glass lampshade, an ultraviolet lamp tube, a turbulence mechanism, a grid plate I, a lamp tube bracket, a grid plate II and a mounting block; the mounting block is fixed on the box body; the lamp tube brackets are provided with a pair of lamp tube brackets which are all arranged on the mounting blocks; the transparent glass lampshade is arranged on the lamp tube bracket, and the ultraviolet lamp tube is positioned in the transparent glass lampshade; the turbulence mechanism is positioned between the ultraviolet lamp tubes, the grid plate I is positioned between the lamp tube brackets, and the grid plate II is positioned between the lamp tube brackets and the activated carbon adsorption mechanism. The utility model can decompose the pollutants in the gas more thoroughly.
Description
Technical Field
The utility model belongs to the technical field of environmental protection, and particularly relates to a pollutant odor treatment and purification device.
Background
Malodorous gas mainly comprises inorganic or organic compounds such as hydrogen sulfide, ammonia, organic amine and the like, the odor components can emit large malodorous smell under the condition of low emission concentration, and cause great trouble to the sense of people, at present, the UV photolysis air purifier photolysis technology is widely applied to the air purification treatment of various manufacturing factories as an environment-friendly treatment device for efficiently removing the malodorous gas, the application field is very wide, almost all factories are provided with UV photolysis air purifiers, pollutants in the malodorous gas are cracked by utilizing ultraviolet light beams, then, the high-concentration ozone is subjected to oxidation reaction, the effect of thorough deodorization is achieved, and the traditional pollutant malodorous treatment odor purification device has the following defects:
1) traditional pollutant stench is handled and is purified flavor device, when using UV photolysis technique to decompose the pollutant, gaseous irradiation time at ultraviolet tube is shorter, can't thorough decompose the pollutant in the gas.
2) Traditional pollutant stench is handled and is purified smell device does not have the back flow, and under the very fast condition of gas velocity, does not thoroughly purify clean gas, just with gaseous emission, can cause the pollution to the environment.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide a pollutant odor treatment and purification device which can decompose pollutants in gas more thoroughly.
In order to achieve the purpose, the utility model adopts the technical scheme that:
a pollutant odor treatment and purification device comprises a box body, an air inlet, an air outlet, a UV photolysis mechanism, an activated carbon adsorption mechanism and a return pipe; the UV photolysis mechanism and the activated carbon adsorption mechanism are both positioned in the box body, and the UV photolysis mechanism is positioned on one side of the activated carbon adsorption mechanism; the air inlet is positioned on the box body at one side of the UV photolysis mechanism, and the air outlet is positioned on the box body at one side of the active carbon adsorption mechanism; the back flow is located the box outside, and back flow one end is connected in gas outlet one side, and the other end is connected in air inlet one side.
The UV photolysis mechanism comprises a transparent glass lampshade, an ultraviolet lamp tube, a turbulence mechanism, a grid plate I, a lamp tube bracket, a grid plate II, a mounting block and an ozone generator; the mounting blocks are provided with a plurality of sliding grooves which are fixed on the box body; the lamp tube bracket is provided with a pair of chutes which are arranged on the mounting block; the transparent glass lampshade is arranged on the lamp tube bracket, and the ultraviolet lamp tube is positioned in the transparent glass lampshade; two ends of the ultraviolet lamp tube are fixedly connected to the lamp tube bracket; the ozone generator is located on one side of the box body and connected with the box body on one side of the air inlet through a guide pipe, the turbulence mechanism is located between the ultraviolet lamp tubes, the grid plate I is located between the lamp tube supports, the grid plate II is located between the lamp tube supports and the activated carbon adsorption mechanism, and ultraviolet photocatalyst titanium dioxide coatings are arranged on the grid plate I and the grid plate II.
The turbulence mechanism comprises a baffle plate, a rotating shaft, a choke plate, a spring guide shaft, a spring, a mounting seat and a limiting plate; the baffle plate is positioned between the ultraviolet lamp tubes, and the rotating shafts are fixed at two ends of the baffle plate and movably connected with the side wall of the box body; a chain wheel is arranged on a rotating shaft at one end of the baffle plate, the chain wheels on the upper rotating shaft and the lower rotating shaft are connected through a chain, a plurality of motors are fixedly arranged on the side wall of the box body, and a chain wheel is arranged on an output shaft of each motor and is connected with the chain wheel on the adjacent rotating shaft through a chain; the limiting plate is positioned at one side of the baffle plate and fixed on the side wall of the box body; the mounting seat is fixed on the baffle plate, the choke plate is movably connected on the mounting seat through a connecting shaft, a movable groove is arranged on the choke plate, and the baffle plate and the choke plate are transparent; the spring is positioned between the choke plate and the baffle plate, the spring guide shaft penetrates through the spring, one end of the spring guide shaft is fixed on the baffle plate, and the other end of the spring guide shaft penetrates through the choke plate through the movable groove.
The activated carbon adsorption mechanism comprises an activated carbon placing box, activated carbon, a supporting plate and a partition plate; the supporting plate is positioned on one side of the grid plate II and is fixed on the side wall of the box body; the activated carbon placing box is placed on the supporting plate, and a plurality of through holes are formed in the activated carbon placing box; the active carbon is positioned in the active carbon placing box; the baffle is fixed in the box, is equipped with the blow vent on the baffle, and the case is placed to the active carbon corresponds with the blow vent on the baffle.
The air outlet is provided with a pair of stop plates, the supporting plate is provided with a pair of box bodies which are respectively fixed on the upper side and the lower side of the air outlet, the air cylinder is provided with a pair of stop plates which are respectively fixed on the supporting block, and the stop plates are connected with the air cylinder.
An access door is arranged on the side wall of the box body.
Compared with the prior art, the utility model has the beneficial effects that:
1) the malodorous gas enters the box body, and the gas is dispersed and enters the UV photolysis mechanism under the action of the baffle plate; when more gas is contained, the choke plate is extruded, rotates, is compressed by the spring, and is enlarged, so that the gas channel is prevented from being concentrated at the choke plate; if the gas is reduced, the spring is restored to drive the choke plate to rotate in the opposite direction, and the gas channel is reduced; the gas is blocked by the baffle plate and the choke plate, so that the direction of the gas is changed, the time of the gas in the UV photolysis mechanism is prolonged, and the purpose of more fully oxidizing the gas is achieved;
2) when the gas has multiple flow rates and is fast, pollutants in the gas can be incompletely decomposed, the air cylinder drives the blocking plate to move, the air outlet is reduced, a large amount of gas cannot be discharged from the air outlet, and therefore the gas returns to one side of the air inlet through the return pipe, and the gas is secondarily purified; when the gas is small in flow rate and slow in flow rate, the gas is purified completely, and the gas outlet is enlarged at the moment, so that the gas is discharged from the gas outlet; the effect of purifying pollutants more thoroughly is achieved.
Drawings
FIG. 1 is a schematic structural diagram of a pollutant malodor treatment and odor purification device of the present invention;
FIG. 2 is a schematic structural diagram of a pollutant malodor treatment and odor purification device of the present invention;
FIG. 3 is a schematic view of the internal structure of a pollutant malodor treatment and odor purification device of the present invention;
FIG. 4 is a schematic view of the internal structure of a pollutant odor treatment and purification device of the present invention;
FIG. 5 is a schematic structural view of the spoiler of FIG. 3;
FIG. 6 is a schematic structural view of the activated carbon adsorption mechanism of FIG. 3;
in the figure: 1. a box body; 101. an access door; 2. an air inlet; 3. an air outlet; 301. a blocking plate; 302. a support block; 303. a cylinder; 4. a UV photolysis mechanism; 401. a transparent glass lampshade; 402. an ultraviolet lamp tube; 403. a flow disturbing mechanism; 4031. a baffle plate; 4032. a rotating shaft; 4033. a choke plate; 4034. a spring guide shaft; 4035. a spring; 4036. a mounting seat; 4037. a limiting plate; 4038. mounting grooves; 404. a grid plate I; 405. a lamp tube bracket; 406. a grid plate II; 407. mounting blocks; 408. an ozone generator; 5. an activated carbon adsorption mechanism; 501. an activated carbon placing box; 5011. a through hole; 502. activated carbon; 503. a support plate; 504. a partition plate; 5041. a vent; 6. a return pipe.
Detailed Description
For the convenience of understanding of those skilled in the art, the technical solution of the present invention will be further described in detail with reference to fig. 1 to 6.
A pollutant odor treatment and purification device comprises a box body 1, an air inlet 2, an air outlet 3, a UV photolysis mechanism 4, an activated carbon adsorption mechanism 5 and a return pipe 6; the UV photolysis mechanism 4 and the activated carbon adsorption mechanism 5 are both positioned in the box body 1, and the UV photolysis mechanism 4 is positioned on one side of the activated carbon adsorption mechanism 5; the air inlet 2 is positioned on the box body 1 at one side of the UV photolysis mechanism 4, and the air outlet 3 is positioned on the box body 1 at one side of the active carbon adsorption mechanism 5; the return pipe 6 is positioned outside the box body 1, one end of the return pipe 6 is connected to one side of the air outlet 3, and the other end of the return pipe 6 is connected to one side of the air inlet 2; malodorous gas enters the box body 1 through the gas inlet 2, pollutants in the malodorous gas are firstly decomposed in the UV photolysis mechanism 4, and then the gas enters the activated carbon adsorption mechanism 5 for further purification; the purified gas is discharged through the gas outlet 3.
The UV photolysis mechanism 4 comprises a transparent glass lampshade 401, an ultraviolet lamp tube 402, a turbulence mechanism 403, a grid plate I404, a lamp tube bracket 405, a grid plate II 406, a mounting block 407 and an ozone generator 408; the mounting blocks 407 are provided with a plurality of sliding grooves which are fixed on the box body 1, and the mounting blocks 407 are provided with sliding grooves; the lamp tube bracket 405 is provided with a pair of sliding grooves which are all arranged on the mounting block 407; the transparent glass lamp housing 401 is mounted on the lamp tube bracket 405, and the ultraviolet lamp tube 402 is positioned in the transparent glass lamp housing 401, so that the ultraviolet lamp tube 402 is prevented from being damaged, and the service life of the ultraviolet lamp tube 402 is prolonged; both ends of the ultraviolet lamp tube 402 are fixedly connected to the lamp tube bracket 405; the ozone generator 408 is positioned at one side of the box body 1 and is connected with the box body 1 at one side of the air inlet 2 through a conduit; the turbulence mechanism 403 is positioned between the ultraviolet lamp tubes 402, the grid plate I404 is positioned between the lamp tube supports 405, the grid plate II 406 is positioned between the lamp tube supports 405 and the activated carbon adsorption mechanism 5, ultraviolet photocatalyst titanium dioxide coatings are respectively arranged on the grid plate I404 and the grid plate II 406, the titanium dioxide coatings have a strong oxidation-reduction effect, and the UV photooxidation efficiency is improved; malodorous gas enters through the turbulence mechanism 403 in a dispersing way, pollutants in the malodorous gas are cracked under the irradiation of the ultraviolet lamp tube 402, and then high-concentration ozone which is introduced into the box body 1 through the ozone generator 408 is subjected to oxidation reaction, so that the effect of thorough deodorization is achieved.
The spoiler mechanism 403 comprises a baffle 4031, a rotating shaft 4032, a choke plate 4033, a spring guide shaft 4034, a spring 4035, a mounting seat 4036 and a limiting plate 4037; the baffle 4031 is positioned between the ultraviolet lamp tubes 402, and the rotating shaft 4032 is fixed at two ends of the baffle 4031 and is movably connected with the side wall of the box body 1; a chain wheel is arranged on the rotating shaft 4032 at one end of the baffle 4031, the chain wheels on the upper rotating shaft 4032 and the lower rotating shaft 4032 are connected through a chain, the motor is provided with a plurality of chain wheels which are fixedly arranged on the side wall of the box body 1, and the output shaft of the motor is provided with the chain wheel which is connected with the chain wheel on the adjacent rotating shaft through the chain; the limiting plate 4037 is positioned on one side of the baffle 4031 and is fixed on the side wall of the box body 1; the motor provides power to drive the baffle 4031 to rotate, so that the baffle 4031 is far away from the lamp tube bracket 405, the lamp tube bracket 405 is convenient to mount, and the limiting plate 4037 ensures that the baffles 4031 are lapped together when rotating back to the original position; the mounting base 4036 is fixed on the baffle 4031, the choke plate 4033 is movably connected to the mounting base 4036 through a connecting shaft, a movable groove is formed in the choke plate 4033, and the baffle 4031 and the choke plate 4033 are transparent; a spring 4035 is positioned between the choke plate 4033 and the baffle plate 4031, the spring guide shaft 4034 penetrates through the spring 4035, one end of the spring guide shaft 4034 is fixed on the baffle plate 4031, and the other end of the spring guide shaft 403passes through the choke plate 4033 through a movable groove; malodorous gas enters the box body 1 and is dispersed under the action of the baffle 4031; when more gas is generated, the choke plate 4033 is pressed, the choke plate 4033 rotates, the spring 4035 is compressed, the gas channel is enlarged, and the gas is prevented from being concentrated on the choke plate 4033; when the gas is reduced, the spring 4035 is restored to drive the choke plate 4033 to rotate in the opposite direction, and the gas channel is reduced; the blocking of the baffle 4031 and the choke plate 4033 changes the direction of the gas, so that the time of the gas in the UV photolysis mechanism 4 is prolonged, and the purpose of fully oxidizing the gas is achieved.
The activated carbon adsorption mechanism 5 comprises an activated carbon placing box 501, activated carbon 502, a supporting plate 503 and a partition plate 504; the supporting plate 503 is positioned on one side of the grid plate II 406 and is fixed on the side wall of the box body 1; the activated carbon placing box 501 is placed on the supporting plate 503, and a plurality of through holes 5011 are formed in the activated carbon placing box 501; the activated carbon 502 is positioned in the activated carbon placing box 501; the partition plate 504 is fixed in the box body 1, the partition plate 504 is provided with a vent 5041, and the activated carbon placing box 501 corresponds to the vent 5041 on the partition plate 504; the gas enters the activated carbon placing box 501, pollutants in the gas are adsorbed by the activated carbon 502 and then are discharged through the vent 5041, and the effects of purifying and deodorizing the gas are achieved.
A pair of blocking plates 301 are arranged at the gas outlet 3, the supporting block 302 is provided with a pair of boxes 1 which are respectively fixed on the upper side and the lower side of the gas outlet 3, the cylinder 303 is provided with a pair of blocking plates 301 which are respectively fixed on the supporting block 302, the blocking plates 301 are connected with the cylinder 303, when the gas has multiple flow rates, pollutants in the gas can be decomposed incompletely, the cylinder 303 drives the blocking plates 301 to move, the gas outlet 3 is reduced, a large amount of gas can not be discharged from the gas outlet 3, and therefore, the gas returns to one side of the gas inlet 2 through the return pipe 6, and the gas is subjected to secondary purification; when the gas is small in flow rate and slow in flow rate, the gas is purified completely, and the gas outlet 3 is enlarged at the moment, so that the gas is discharged from the gas outlet 3; the effect of purifying pollutants more thoroughly is achieved.
Be equipped with access door 101 on the 1 lateral wall of box, make things convenient for the staff to overhaul, maintain.
A pollutant odor treatment and purification device comprises the following working processes: malodorous gas enters the box body 1 through the gas inlet 2, firstly enters the UV photolysis mechanism 4 through the baffle 4031 and the choke plate 4033 in a dispersing way, pollutants in the malodorous gas are cracked under the irradiation of the ultraviolet lamp tube 402, then high-concentration ozone which is introduced into the box body 1 through the ozone generator 408 is subjected to oxidation reaction to achieve the effect of thorough deodorization, then the gas enters the activated carbon adsorption mechanism 5, and the residual undecomposed pollutants are adsorbed by the activated carbon 502; the purified gas is discharged through the gas outlet 3.
The foregoing is merely exemplary and illustrative of the present invention, and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the utility model as defined in the accompanying claims.
Claims (5)
1. A pollutant odor treatment and purification device comprises a box body, an air inlet, an air outlet, a UV photolysis mechanism, an activated carbon adsorption mechanism and a return pipe; the UV photolysis device is characterized in that the UV photolysis mechanism and the activated carbon adsorption mechanism are both positioned in the box body, and the UV photolysis mechanism is positioned on one side of the activated carbon adsorption mechanism; the air inlet is positioned on the box body at one side of the UV photolysis mechanism, and the air outlet is positioned on the box body at one side of the active carbon adsorption mechanism; the return pipe is positioned outside the box body, one end of the return pipe is connected to one side of the air outlet, and the other end of the return pipe is connected to one side of the air inlet;
the UV photolysis mechanism comprises a transparent glass lampshade, an ultraviolet lamp tube, a turbulence mechanism, a grid plate I, a lamp tube bracket, a grid plate II, a mounting block and an ozone generator; the mounting blocks are provided with a plurality of sliding grooves which are fixed on the box body; the lamp tube bracket is provided with a pair of chutes which are arranged on the mounting block; the transparent glass lampshade is arranged on the lamp tube bracket, and the ultraviolet lamp tube is positioned in the transparent glass lampshade; two ends of the ultraviolet lamp tube are fixedly connected to the lamp tube bracket; the ozone generator is located on one side of the box body and connected with the box body on one side of the air inlet through a guide pipe, the turbulence mechanism is located between the ultraviolet lamp tubes, the grid plate I is located between the lamp tube supports, the grid plate II is located between the lamp tube supports and the activated carbon adsorption mechanism, and ultraviolet photocatalyst titanium dioxide coatings are arranged on the grid plate I and the grid plate II.
2. The odor eliminating device for treating offensive odors of pollutants according to claim 1, wherein the flow disturbing mechanism comprises a baffle plate, a rotating shaft, a choke plate, a spring guide shaft, a spring, a mounting seat, a limiting plate; the baffle plate is positioned between the ultraviolet lamp tubes, and the rotating shafts are fixed at two ends of the baffle plate and movably connected with the side wall of the box body; a chain wheel is arranged on a rotating shaft at one end of the baffle plate, the chain wheels on the upper rotating shaft and the lower rotating shaft are connected through a chain, a plurality of motors are fixedly arranged on the side wall of the box body, and a chain wheel is arranged on an output shaft of each motor and is connected with the chain wheel on the adjacent rotating shaft through a chain; the limiting plate is positioned at one side of the baffle plate and fixed on the side wall of the box body; the mounting seat is fixed on the baffle plate, the choke plate is movably connected on the mounting seat through a connecting shaft, a movable groove is arranged on the choke plate, and the baffle plate and the choke plate are transparent; the spring is positioned between the choke plate and the baffle plate, the spring guide shaft penetrates through the spring, one end of the spring guide shaft is fixed on the baffle plate, and the other end of the spring guide shaft penetrates through the choke plate through the movable groove.
3. The pollutant malodor treatment odor purification device according to claim 1, wherein the activated carbon adsorption mechanism comprises an activated carbon placing box, activated carbon, a support plate and a partition plate; the supporting plate is positioned on one side of the grid plate II and is fixed on the side wall of the box body; the activated carbon placing box is placed on the supporting plate, and a plurality of through holes are formed in the activated carbon placing box; the active carbon is positioned in the active carbon placing box; the baffle is fixed in the box, is equipped with the blow vent on the baffle, and the case is placed to the active carbon corresponds with the blow vent on the baffle.
4. The odor eliminating device for treating the offensive odor of the pollutants according to claim 1, wherein the air outlet is provided with a pair of blocking plates, the supporting plate is provided with a pair of cases fixed to the upper and lower sides of the air outlet, respectively, the cylinder is provided with a pair of blocks fixed to the supporting blocks, respectively, and the blocking plates are connected to the cylinder.
5. The pollutant malodor treatment odor purification device according to claim 1, wherein an access door is provided on the side wall of the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220305743.XU CN216677695U (en) | 2022-02-15 | 2022-02-15 | Pollutant odor treatment and purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220305743.XU CN216677695U (en) | 2022-02-15 | 2022-02-15 | Pollutant odor treatment and purification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216677695U true CN216677695U (en) | 2022-06-07 |
Family
ID=81829008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220305743.XU Active CN216677695U (en) | 2022-02-15 | 2022-02-15 | Pollutant odor treatment and purification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216677695U (en) |
-
2022
- 2022-02-15 CN CN202220305743.XU patent/CN216677695U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108355474B (en) | Photo-oxygen catalytic waste gas treatment system | |
| CN111237920A (en) | Formaldehyde removal disinfection machine | |
| CN207913507U (en) | Box emission-control equipment | |
| CN212039753U (en) | Novel organic waste gas deodorization equipment of mill | |
| CN203648363U (en) | Photolytic organic waste gas purification equipment | |
| CN211988571U (en) | Equipment for ultraviolet light beam irradiation to generate high-efficiency reaction | |
| CN216677695U (en) | Pollutant odor treatment and purification device | |
| CN205269408U (en) | Miniature light catalytic oxidation machine | |
| CN207102274U (en) | Gas cleaning plant | |
| CN204006398U (en) | Vehicular solar photocatalysis air cleaning device | |
| CN214233476U (en) | High-efficient filterable exhaust-gas treatment equipment | |
| CN202638274U (en) | High gravity field purification treatment equipment for foul gases through photocatalytic oxidation | |
| CN211612254U (en) | Novel light oxygen ion composite deodorization device | |
| CN210206453U (en) | Odor treatment equipment for sanitation facility | |
| CN213725606U (en) | Organic waste gas deodorization clarification plant | |
| CN210410062U (en) | UV photolysis purification device for industrial waste gas | |
| CN209952592U (en) | VOCs processing system of rubber processing industry | |
| CN110064291B (en) | Integrated low-concentration stink waste gas treatment device | |
| CN103134117B (en) | A kind of electrical-conductive nanometer TiO 2composite photocatalyst air cleaning unit | |
| CN112915739A (en) | Heterogeneous catalytic oxidation processing system of organic waste gas and foul smell waste gas | |
| CN200984352Y (en) | Gas deodorization device | |
| CN213643730U (en) | Novel photodissociation photocatalysis deodorization device | |
| CN217431390U (en) | Photocatalysis oxidation peculiar smell removing equipment | |
| CN212881707U (en) | Novel active carbon purifies device | |
| CN203249330U (en) | Conducting nano TiO2 composite photocatalysis air purification device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |