CN210814706U - Organic waste gas treatment device - Google Patents
Organic waste gas treatment device Download PDFInfo
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- CN210814706U CN210814706U CN201920825148.7U CN201920825148U CN210814706U CN 210814706 U CN210814706 U CN 210814706U CN 201920825148 U CN201920825148 U CN 201920825148U CN 210814706 U CN210814706 U CN 210814706U
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Abstract
The utility model discloses an organic waste gas treatment device: the device comprises a photolysis catalytic device and an active carbon adsorption device, wherein an air outlet of the photolysis catalytic device is communicated with an air inlet of the active carbon adsorption device; the photolysis catalytic device comprises a plurality of ultraviolet lamp tubes, and the ultraviolet lamp tubes are arranged in a direction vertical to the airflow direction; activated carbon particles are arranged inside the activated carbon adsorption device; organic waste gas that produces the application loops through photolysis catalytic unit and active carbon adsorption device and thoroughly carries out the photolysis and adsorbs organic waste gas for the gas of final emission can not influence staff's health.
Description
Technical Field
The utility model relates to a polluted gas treatment technical field especially relates to an organic waste gas treatment device.
Background
The components of the coating waste gas not only comprise benzene, toluene, dimethylbenzene and dust particles, but also comprise ethyl acetate, butanone, isopropanol, ethers and the like, so that the coating waste gas can seriously pollute the atmosphere. With the increasing awareness of people on the protection of the atmospheric environment, the treatment requirements on the coating waste gas are increasing day by day.
The conventional catalytic device usually adopts catalytic combustion, which utilizes the catalytic action to make the organic matter implement violent oxidative combustion below the ignition temperature. Because the coating waste gas contains resin, pigment and plasticizer in equal parts besides organic solvent, the catalyst can be poisoned, and the components are various, so that the service life of the catalyst is changed frequently and the test and the control are difficult.
The traditional organic waste gas treatment device does not remove paint mist contained in the organic waste gas in advance and reduce the temperature of the waste gas, so that the adsorption efficiency and the service life of the activated carbon are greatly reduced.
Therefore, the organic waste gas is not thoroughly treated or secondary pollutants are generated, and the health of working human bodies can be seriously harmed.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects existing in the prior art, the utility model provides an organic waste gas treatment device which can well solve the problems.
The technical scheme is as follows: in order to achieve the above object, the utility model discloses an organic waste gas treatment device: the device comprises a photolysis catalytic device and an active carbon adsorption device, wherein an air outlet of the photolysis catalytic device is communicated with an air inlet of the active carbon adsorption device; the photolysis catalytic device comprises a plurality of ultraviolet lamp tubes, and the ultraviolet lamp tubes are arranged in a direction vertical to the airflow direction; activated carbon particles are arranged inside the activated carbon adsorption device; organic waste gas that produces the application loops through photolysis catalytic unit and active carbon adsorption device and thoroughly carries out the photolysis and adsorbs organic waste gas for the gas of final emission can not influence staff's health.
Furthermore, a plurality of titanium dioxide catalytic plates are arranged in the photolysis catalytic device, and the titanium dioxide catalytic plates are arranged in the photolysis catalytic device and are perpendicular to the direction of the airflow; the titanium dioxide catalytic plate and the ultraviolet lamp tube are arranged in the photolysis catalytic device in a staggered mode along the airflow direction; the titanium dioxide catalytic plates are arranged in a honeycomb shape; the titanium dioxide generates hydroxyl radicals after being irradiated by ultraviolet rays, and the hydroxyl radicals react with organic substances in the air to generate non-toxic inorganic substances, can efficiently decompose formaldehyde, benzene, ammonia gas and the like, convert the formaldehyde, the benzene, the ammonia gas and the like into CO2 and H2O, oxidize and remove nitrogen oxides, sulfides, various odors and the like in the atmosphere, and play a role in air purification.
Furthermore, a water retaining structure is arranged in the photolysis catalytic device, the water retaining structure comprises a water retaining outer frame, the water retaining outer frame is vertically arranged in the photolysis catalytic device, and a plurality of leakage holes penetrating through two end faces of the water retaining outer frame are formed in the water retaining outer frame; a plurality of water retaining covers are respectively arranged on the water inlet end face and the water outlet end face of the water retaining outer frame, and the water retaining covers on the water inlet end face and the water outlet end face of the water retaining outer frame are arranged in a staggered mode along the airflow direction; the water retaining cover is arranged in an outwards-opened notch shape, and the notch of the water retaining cover is opposite to the airflow direction; the water retaining structure can effectively shield water drops entering the photolysis catalytic device along with waste gas, and the damage of equipment caused by the water drops and the wet ultraviolet lamp is avoided.
Furthermore, the activated carbon adsorption device comprises a box body, wherein an air inlet and an air outlet are respectively arranged at two ends of the box body, an activated carbon filtering structure is arranged in the box body, the activated carbon filtering structure divides the interior of the box body into an air inlet cavity and an air outlet cavity, the air inlet cavity is arranged at two sides of the interior of the box body, and the air inlet cavity is communicated with the air inlet of the box body; the air outlet cavity is arranged in the middle of the box body and is communicated with an air outlet of the box body; organic waste gas is adsorbed again through the activated carbon adsorption device, so that the discharged air is ensured to be pollution-free to workers.
Furthermore, the activated carbon filtering structure comprises a bearing layer, wherein an activated carbon layer is arranged in the bearing layer, and the activated carbon layer is granular activated carbon; the top of the bearing layer is provided with an access hole penetrating through the outer top of the box body, and the adsorption efficiency of the granular activated carbon is high.
Has the advantages that: the utility model discloses an organic waste gas processing apparatus loops through the organic waste gas that produces the application and photodissociation catalytic unit and active carbon adsorption device thoroughly carries out photodissociation and absorption to organic waste gas to can not produce secondary pollutant when carrying out thorough processing to organic waste gas, make the gas of final emission can not influence staff's health.
Drawings
FIG. 1 is a schematic structural view of the whole organic waste gas treatment device of the present invention;
FIG. 2 is a schematic structural view of the photolysis catalytic device of the present invention;
fig. 3 is a schematic structural view of the water retaining structure of the present invention;
fig. 4 is a partially enlarged schematic structural view of fig. 3 of the present invention;
FIG. 5 is a schematic view of a partial cross-sectional structure of the activated carbon adsorption unit of the present invention;
fig. 6 is the structural schematic diagram of the water curtain paint mist removing system of the utility model.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
An organic waste gas treatment device as shown in the attached figures 1-6: the system comprises a pump-free water curtain paint mist removing system 3, a photolysis catalytic device 1 and an active carbon adsorption device 2, wherein an air inlet of the pump-free water curtain paint mist removing system 3 is communicated with a waste gas outlet of a paint spray booth, and an air outlet of the pump-free water curtain paint mist removing system 3 is communicated with an air inlet of the photolysis catalytic device 1; the gas outlet of the photolysis catalytic device 1 is communicated with the gas inlet of the activated carbon adsorption device 2; an air pump for providing power is arranged between the air outlet of the photolysis catalytic device 1 and the air inlet of the activated carbon adsorption device 2, so that waste gas in the paint spray booth is discharged after sequentially passing through the pumpless water curtain paint mist removing system 3, the photolysis catalytic device 1 and the activated carbon adsorption device 2; the photolysis catalytic device 1 comprises a plurality of ultraviolet lamp tubes 11, and the ultraviolet lamp tubes 11 are arranged in a direction perpendicular to the airflow direction; the activated carbon adsorption device 2 is internally provided with activated carbon particles. Removing large-particle hydrophilic dust in waste gas discharged from a paint spray booth through a pump-free water curtain paint mist removing system 3; the photolysis catalytic device 1 degrades harmful organic gases in the waste gas into harmless inorganic substances; the activated carbon adsorption device 2 further adsorbs low-concentration undegraded organic matters and small-particle dust through activated carbon; therefore, the exhaust gas from the paint spray booth is discharged into the air after being treated by the treatment device, and the health of a human body is not affected.
The pumpless water curtain paint mist removing system 3 comprises a water tank 31, an air suction channel 32, a flashing plate 33, an overflow tank 34, a first filtering unit 35 and an active carbon adsorption area 36, wherein a waste gas outlet of a paint spraying room is arranged opposite to the flashing plate 33, the water tank 31 is communicated below the flashing plate 33, the output end of the water tank 31 is connected with the air suction channel 32, the output end of the air suction channel unit 32 is connected with the first filtering unit 35 provided with a filter plate, and the output end of the first filtering unit 35 is connected with the active carbon adsorption area 36 provided with active carbon; an overflow groove 34 is formed at the bottom of the first filtering unit 35, and a flashing plate 33 is arranged at the lower part of the overflow groove 34; this allows the exhaust gas to sufficiently contact the water curtain on the flashing 33, so that large hydrophilic particles of dust in the exhaust gas settle in the water, and a flocculating agent is added to the water tank 31 to prevent the dust from adhering to the inner wall of the water tank 31.
Be provided with water retaining structure 13 in the photolysis catalytic unit 1, water retaining structure 13 is close to the water inlet setting of photolysis catalytic unit 1, and the waste gas that gets into from the water inlet is degraded under ultraviolet ray behind water retaining structure 13. The water retaining structure 13 comprises a water retaining outer frame 131, the water retaining outer frame 131 is vertically arranged in the photolysis catalysis device 1, and a plurality of leak holes 132 penetrating through two end faces of the water retaining outer frame 131 are arranged on the water retaining outer frame 131; a plurality of water retaining covers 133 are respectively arranged on the water inlet end surface 1311 and the water outlet end surface 1312 of the water retaining outer frame 131, and the water retaining covers 133 on the water inlet end surface 1311 and the water outlet end surface 1312 of the water retaining outer frame are arranged in a staggered mode along the airflow direction; the water retaining cover 133 is arranged in a shape of an outwards opened notch, and the notch of the water retaining cover 133 is opposite to the airflow direction, so that waste gas can pass through the water retaining structure 13, the temperature of the water doped in the waste gas is reduced when the water is in contact with the water retaining cover 133, and water vapor of the water is liquefied on the water retaining cover 133 and is blocked in the water retaining structure 13, so that the equipment damage caused by the water drop wet ultraviolet lamp 11 is effectively avoided. Bacteria in the waste gas are removed through ultraviolet light in the photolysis catalytic device 1, a plurality of titanium dioxide catalytic plates 12 are arranged in the photolysis catalytic device 1, and the titanium dioxide catalytic plates 12 are arranged in the photolysis catalytic device 1 and perpendicular to the direction of air flow; the titanium dioxide catalytic plate 12 and the ultraviolet lamp tube 11 are arranged in the photolysis catalytic device 1 in a staggered manner along the airflow direction; the titanium dioxide generates hydroxyl radicals after being irradiated by ultraviolet rays, and the hydroxyl radicals can react with organic substances in the air to generate non-toxic inorganic substances, can efficiently decompose formaldehyde, benzene, ammonia gas and the like, convert the formaldehyde, the benzene, the ammonia gas and the like into CO2 and H2O, oxidize and remove nitrogen oxides, sulfides, various odors and the like in the atmosphere, and play a role in air purification. The titanium dioxide catalysis board 12 is in honeycomb arrangement to make the area of contact of titanium dioxide catalysis board 12 and waste gas big, like this when waste gas passes titanium dioxide catalysis board 12, the organic matter side degradation effect in the waste gas is better.
The activated carbon adsorption device 2 comprises a box body 21, an air inlet and an air outlet are respectively arranged at two ends of the box body 21, an activated carbon filtering structure 22 is arranged in the box body 21, the activated carbon filtering structure 22 comprises a supporting layer 221, air holes penetrating through two sides of the supporting layer 221 are formed in the supporting layer 221, an activated carbon layer 222 is arranged in the supporting layer 221, the activated carbon layer 222 is granular activated carbon, the granular activated carbon is large in surface area, and the adsorption efficiency is high; and the top of the supporting layer 221 is provided with an access hole 23 penetrating through the outer top of the box body 21. The activated carbon filtering structure 22 divides the interior of the box body 21 into an air inlet cavity 211 and an air outlet cavity 212, the air inlet cavity 211 is arranged on two sides of the interior of the box body 21, and the air inlet cavity 211 is communicated with an air inlet of the box body 21; the air outlet cavity 212 is arranged in the middle of the box body 21, and the air outlet cavity 212 is communicated with an air outlet of the box body 21; the degraded low-concentration paint mist is adsorbed and filtered by the activated carbon, so that the discharged gas has no influence on the health of people.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (5)
1. An organic waste gas treatment device, characterized in that: the device comprises a photolysis catalytic device (1) and an active carbon adsorption device (2), wherein an air outlet of the photolysis catalytic device (1) is communicated with an air inlet of the active carbon adsorption device (2); the photolysis catalytic device (1) comprises a plurality of ultraviolet lamp tubes (11), and the ultraviolet lamp tubes (11) are arranged in a direction vertical to the airflow direction; activated carbon particles are arranged in the activated carbon adsorption device (2);
still include no pump water curtain paint mist removal system (3), no pump water curtain paint mist removal system (3) is including basin (31), induced draft passageway (32), flashing board (33), overflow tank (34), first filter unit (35), activated carbon adsorption zone (36), and the painting room exhaust outlet just gives vent to anger the setting to flashing board (33), flashing board (33) board below intercommunication is provided with basin (31), the output and induced draft passageway (32) of basin (31) are connected, the output of induced draft passageway (32) is connected with first filter unit (35) that are provided with the filter, the output of first filter unit (35) is connected with activated carbon adsorption zone (36) that are provided with the activated carbon.
2. The organic waste gas treatment device according to claim 1, characterized in that: the photocatalytic device (1) is also internally provided with a plurality of titanium dioxide catalytic plates (12), and the titanium dioxide catalytic plates (12) are arranged in the photocatalytic device (1) and are vertical to the direction of air flow; the titanium dioxide catalytic plate (12) and the ultraviolet lamp tube (11) are arranged in the photolysis catalytic device (1) in a staggered mode along the airflow direction; the titanium dioxide catalytic plate (12) is arranged in a honeycomb shape.
3. An organic exhaust gas treatment device according to claim 2, wherein: a water retaining structure (13) is arranged in the photolysis catalytic device (1), the water retaining structure (13) comprises a water retaining outer frame (131), the water retaining outer frame (131) is vertically arranged in the photolysis catalytic device (1), and a plurality of leakage holes (132) penetrating through two end faces of the water retaining outer frame (131) are formed in the water retaining outer frame; a plurality of water retaining covers (133) are respectively arranged on the water inlet end face (1311) and the water outlet end face (1312) of the water retaining outer frame (131), and the water retaining covers (133) on the water inlet end face (1311) and the water retaining covers (133) on the water outlet end face (1312) of the water retaining outer frame are arranged in a staggered mode along the airflow direction; the water retaining cover (133) is arranged in a notch shape which is opened outwards, and the notch of the water retaining cover (133) is opposite to the airflow direction.
4. The organic waste gas treatment device according to claim 1, characterized in that: the activated carbon adsorption device (2) comprises a box body (21), wherein an air inlet and an air outlet are respectively arranged at two ends of the box body (21), an activated carbon filtering structure (22) is arranged in the box body (21), the activated carbon filtering structure (22) divides the interior of the box body (21) to form an air inlet cavity (211) and an air outlet cavity (212), the air inlet cavity (211) is arranged at two sides of the interior of the box body (21), and the air inlet cavity (211) is communicated with the air inlet of the box body (21); the air outlet cavity (212) is arranged in the middle of the box body (21), and the air outlet cavity (212) is communicated with an air outlet of the box body (21).
5. The organic waste gas treatment device according to claim 4, characterized in that: the activated carbon filtering structure (22) comprises a supporting layer (221), an activated carbon layer (222) is arranged in the supporting layer (221), and the activated carbon layer (222) is granular activated carbon; and the top of the bearing layer (221) is provided with an access hole (23) penetrating through the outer top of the box body (21).
Priority Applications (1)
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CN201920825148.7U CN210814706U (en) | 2019-06-03 | 2019-06-03 | Organic waste gas treatment device |
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CN201920825148.7U CN210814706U (en) | 2019-06-03 | 2019-06-03 | Organic waste gas treatment device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115121117A (en) * | 2022-07-29 | 2022-09-30 | 重庆海塑建材有限公司 | Plastic production workshop exhaust treatment device |
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2019
- 2019-06-03 CN CN201920825148.7U patent/CN210814706U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115121117A (en) * | 2022-07-29 | 2022-09-30 | 重庆海塑建材有限公司 | Plastic production workshop exhaust treatment device |
CN115121117B (en) * | 2022-07-29 | 2023-11-28 | 重庆海塑建材有限公司 | Waste gas treatment device for plastic production workshop |
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