CN209828596U

CN209828596U - Novel UV exhaust-gas treatment of paint spray booth device

Info

Publication number: CN209828596U
Application number: CN201920297085.2U
Authority: CN
Inventors: 夏咸卫
Original assignee: Guangzhou Lanjiabai Environmental Protection Technology Co Ltd
Current assignee: Guangzhou Lanjiabai Environmental Protection Technology Co Ltd
Priority date: 2019-03-10
Filing date: 2019-03-10
Publication date: 2019-12-24
Anticipated expiration: 2029-03-10

Abstract

The utility model relates to a waste gas treatment device, especially a novel UV waste gas treatment device in paint spray booth, it includes: the utility model discloses a gas collecting channel, tuber pipe, cyclone, first conveyer pipe, spray column, second conveyer pipe, glass fiber cabinet, UV light oxygen catalysis cabinet, active carbon filter equipment, centrifugal fan and blast pipe, the utility model discloses a cyclone removes dust, gets rid of the material that dissolves with water in the waste gas through the spray column, and residual coating cloud and particulate matter are got rid of to glass fiber cotton filter screen board to volatile organic matter in the waste gas carries out a small amount of absorption, lets in UV light oxygen catalysis cabinet and active carbon filter equipment with waste gas again, gets rid of the waste gas organic matter, adsorbs remaining organic matter and steam through active carbon filter equipment at last, and the efficiency of waste gas treatment is high, reduces the emission of waste gas, reduces environmental pollution; through UV photodissociation with organic matter degradation for carbon dioxide and water, can not produce secondary pollutant, the operation energy consumption of device is low, and the oxidant consumptive material is few, reduces the running cost.

Description

Novel UV exhaust-gas treatment of paint spray booth device

Technical Field

The utility model relates to a waste gas treatment device, especially a novel UV waste gas treatment device in paint spray booth.

Background

The paint spraying process is widely applied to the industries of containers, machinery manufacturing, electrical equipment, household appliances, automobiles, ships, furniture and the like. The exhaust gas generated by spray painting is mainly formed by mixing volatile solvent, diluent molecules and non-volatile paint mist molecules. At present, most of waste gas treatment of spray-baking paint rooms uses an adsorption method, most of the adsorption methods use active carbon as an adsorbent, the surface area of the adsorbent is large, and the adsorption method is a better choice for purifying organic waste gas. However, there are problems in treating the exhaust gas from the painting with activated carbon: the paint mist particle that contains in the waste gas that sprays paint is little, viscosity is big, easily adhere on the material surface, when retrieving organic solvent with activated carbon adsorption, the hole of activated carbon is blockked up very easily to the paint mist particle, activated carbon adsorption efficiency and life have been influenced, consequently, the UV light oxygen catalysis carries out exhaust-gas treatment and becomes the mainstream, but current UV exhaust treatment device does not carry out the preliminary treatment to waste gas, contain a large amount of paint mist particles in the waste gas that especially spouts the baking finish house production, carry out UV photodissociation after getting rid of, can consider the treatment effeciency that improves waste gas, reduce exhaust emission, reduce environmental pollution.

Disclosure of Invention

Not enough to prior art, the utility model provides a waste gas treatment is efficient, reduces exhaust emission, reduces environmental pollution's spray baking finish and prevents novel UV exhaust-gas treatment device.

The technical scheme of the utility model is that: the utility model provides a novel UV exhaust-gas treatment of spray baking finish house device, it includes: the device comprises a gas collecting hood, an air pipe, a cyclone dust collector, a first conveying pipe, a spray tower, a second conveying pipe, a glass fiber cabinet, a UV photo-oxidation catalysis cabinet, an active carbon filtering device, a centrifugal fan and an exhaust pipe, wherein the air outlet of the gas collecting hood is connected with the air pipe, the tail end of the air pipe is connected with a dust-containing air inlet of the cyclone dust collector, the top of the cyclone dust collector is provided with a first air outlet, the first air outlet is connected with the first conveying pipe, the tail end of the first conveying pipe is connected with the spray tower, the top of the spray tower is provided with a second air outlet, the second air outlet is connected with the second conveying pipe, the tail end of the second conveying pipe is connected with the glass fiber cabinet, the glass fiber cabinet is connected with the UV photo-oxidation catalysis cabinet, the UV photo-oxidation catalysis cabinet is connected with the active carbon filtering device, the active carbon, and an exhaust port is arranged at the tail end of the exhaust pipe.

Furthermore, an ash bucket is arranged at the bottom of the cyclone dust collector, and a layer of anti-sticking coating is coated on the inner wall of the cyclone dust collector and the inner wall of the ash bucket to prevent paint mist particles from adhering.

Furthermore, a plurality of glass fiber cotton filter screen plates are longitudinally arranged in the glass fiber cabinet and used for removing residual paint mist and particles and adsorbing a small amount of volatile organic compounds in waste gas.

Further, active carbon filter includes box and active carbon filter, one side of box is provided with a plurality of rectangular hole, the active carbon filter passes through the rectangular hole and inserts in the box, it has the closing plate to articulate through the hinge on the rectangular hole, the periphery cover of closing plate is equipped with sealed the pad, sealed pad can seal the gap between closing plate and the rectangular hole, through setting up rectangular hole and closing plate, makes things convenient for the change of active carbon filter.

Furthermore, a paint mist particle collecting tank is installed at the bottom of the gas collecting hood, paint mist particles which fall off along with the inner wall of the gas collecting hood after colliding with the inner wall of the gas collecting hood can be collected conveniently, anti-sticking paint is coated on the inner walls of the gas collecting hood and the collecting tank, the paint mist particles are prevented from being adhered, and cleaning is facilitated.

Furthermore, the tail end of the exhaust pipe is provided with an umbrella-shaped baffle through a support, so that rainwater is prevented from entering the exhaust pipe through an exhaust port.

The utility model discloses a theory of operation:

collecting waste gas by a gas collecting hood, leading the waste gas to enter a cyclone dust collector from a dust-containing waste gas inlet through an air pipe to enable dust-containing air flow to rotate, separating dust particles from the air flow by virtue of centrifugal force and collecting the dust particles on the wall of the dust collector, leading the dust particles to fall into an ash hopper by virtue of gravity, leading the waste gas subjected to dust removal treatment to upwards enter a spray tower through a first conveying pipe, spraying the waste gas in the spray tower to separate gas and liquid so as to remove substances capable of being dissolved by water, then leading the gas to enter a glass fiber cabinet through a second conveying pipe, leading the gas to pass through a plurality of layers of glass fiber cotton filter screen plates to remove residual paint mist and particulate matters, adsorbing a small amount of volatile organic matters in the waste gas, and leading organic or inorganic high molecular waste gas compound molecular chains to be degraded and converted into low molecular compounds under the irradiation of high-energy ultraviolet light beams by, such as CO2, H2O and the like, and finally passes through an activated carbon filtering device to adsorb the waste gas, residual organic matters and water vapor decomposed by oxidation, and the waste gas reaching the emission standard is discharged into the atmosphere through an exhaust pipe by a centrifugal fan.

The utility model has the advantages that: the utility model discloses a cyclone removes dust, get rid of in the waste gas through the spray column and dissolve material, glass fiber cotton filter plate that dissolve with water and get rid of residual coating cloud and particulate matter to carry out a small amount of absorption to the volatile organic compounds in the waste gas, let in UV light oxygen catalysis cabinet and active carbon filter equipment with waste gas again, get rid of the waste gas organic matter, adsorb residual organic matter and steam through the active carbon filter equipment at last, the efficiency of exhaust-gas treatment is high, reduces the emission of waste gas, reduces environmental pollution; through UV photodissociation with organic matter degradation for carbon dioxide and water, can not produce secondary pollutant, the operation energy consumption of device is low, and the oxidant consumptive material is few, reduces the running cost.

Drawings

Fig. 1 is a schematic structural diagram of the present embodiment.

In the figure, 1, a gas collecting hood; 2. an air duct; 3. a cyclone dust collector; 4. a first delivery pipe; 5. a spray tower; 6. a second delivery pipe; 7. a glass fiber cabinet; 8. a UV photo-oxygen catalysis cabinet; 9. an activated carbon filtration device; 10. a centrifugal fan; 11. an exhaust pipe; 12. an exhaust port; 13. an ash hopper; 14. a glass fiber cotton filter screen plate; 15. a sealing plate; 16. collecting tank; 17. an umbrella-shaped baffle.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:

as shown in fig. 1, a novel UV waste gas treatment device for a paint spray booth comprises: the device comprises a gas collecting hood 1, an air pipe 2, a cyclone dust collector 3, a first conveying pipe 4, a spray tower 5, a second conveying pipe 6, a glass fiber cabinet 7, a UV photo-oxidation catalysis cabinet 8, an active carbon filtering device 9, a centrifugal fan 10 and an exhaust pipe 11, wherein the air outlet of the gas collecting hood 1 is connected with the air pipe 2, the tail end of the air pipe 2 is connected with a dust-containing air inlet of the cyclone dust collector 3, the top of the cyclone dust collector 3 is provided with a first air outlet, the first air outlet is connected with the first conveying pipe 4, the tail end of the first conveying pipe 4 is connected with the spray tower 5, the top of the spray tower 5 is provided with a second air outlet, the second air outlet is connected with the second conveying pipe 6, the tail end of the second conveying pipe 6 is connected with the glass fiber cabinet 7, the glass fiber cabinet 7 is connected with the UV photo-oxidation catalysis cabinet 8, the UV photo-oxidation catalysis cabinet 8 is connected with the active carbon filtering device, the centrifugal fan 10 is connected with an exhaust pipe 11, and an exhaust port 12 is arranged at the tail end of the exhaust pipe 11.

An ash bucket 13 is arranged at the bottom of the cyclone dust collector 3, and a layer of anti-sticking coating is coated on the inner walls of the cyclone dust collector 3 and the ash bucket 13 to prevent paint mist particles from adhering.

A plurality of glass fiber cotton filter screen plates 14 are longitudinally arranged in the glass fiber cabinet 7 and used for removing residual paint mist and particles and adsorbing a small amount of volatile organic compounds in waste gas.

Activated carbon filter 9 includes box and activated carbon filter, one side of box is provided with a plurality of rectangular hole, the activated carbon filter passes through the rectangular hole and inserts in the box, it has closing plate 15 to articulate through the hinge on the rectangular hole, closing plate 15's periphery cover is equipped with sealed the pad, sealed pad can seal the gap between closing plate 15 and the rectangular hole, through setting up rectangular hole and closing plate 15, makes things convenient for the change of activated carbon filter.

Paint mist particle collecting grooves 16 are installed at the bottom of the gas collecting hood 1, paint mist particles which slide along with the inner wall of the gas collecting hood 1 after colliding with the inner wall of the gas collecting hood 1 can be collected conveniently, anti-sticking coatings are coated on the inner walls of the gas collecting hood 1 and the collecting grooves 16, adhesion of the paint mist particles is prevented, and cleaning is facilitated.

The tail end of the exhaust pipe 11 is provided with an umbrella-shaped baffle 17 through a bracket, so that rainwater is prevented from entering the exhaust pipe 11 through the exhaust port 12.

The gas collecting hood in this embodiment is a gas collecting hood produced by the system engineering of bolandt laboratories (Jiangsu) limited.

The cyclone dust collector in the embodiment adopts a small-sized customized cyclone dust collector produced by environmental protection equipment limited in Hebei province.

The spray tower in this embodiment is a spray tower for treating paint mist waste gas disclosed in chinese patent application, application No.: 201710642821.9.

the UV light oxygen catalysis cabinet in the embodiment adopts a UV light oxygen waste gas purifier produced by Xinfeng environmental protection equipment limited company in Pout City.

The glass fiber cotton filter screen plate in the embodiment is a glass fiber cotton filter screen plate produced by Liaoning Shifa clean science and technology limited.

The activated carbon filter plate in this example is an activated carbon filter plate produced by Suzhou industrial park three-ladder clean facility Co.

The anti-sticking coating in the embodiment is self-drying nano anti-sticking and anti-doodling coating produced by gold new-resistant material limited of Dongguan city.

The foregoing embodiments and description have been provided to illustrate the principles and preferred embodiments of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed.

Claims

1. The utility model provides a novel UV exhaust-gas treatment of spray baking finish house device which characterized in that: the device comprises a gas collecting hood (1), an air pipe (2), a cyclone dust collector (3), a first conveying pipe (4), a spray tower (5), a second conveying pipe (6), a glass fiber cabinet (7), a UV photo-oxygen catalysis cabinet (8), an activated carbon filtering device (9), a centrifugal fan (10) and an exhaust pipe (11), wherein the air outlet of the gas collecting hood (1) is connected with the air pipe (2), the tail end of the air pipe (2) is connected with a dust-containing air inlet of the cyclone dust collector (3), the top of the cyclone dust collector (3) is provided with a first air outlet, the first air outlet is connected with the first conveying pipe (4), the tail end of the first conveying pipe (4) is connected with the spray tower (5), the top of the spray tower (5) is provided with a second air outlet, the second air outlet is connected with the second conveying pipe (6), the tail end of the second conveying pipe (6) is connected with the glass fiber cabinet, the glass fiber cabinet (7) is connected (8) with the UV light oxygen catalysis cabinet, the UV light oxygen catalysis cabinet (8) is connected with the activated carbon filtering device (9), the activated carbon filtering device (9) is connected with the centrifugal fan (10), the centrifugal fan (10) is connected with the exhaust pipe (11), and the tail end of the exhaust pipe (11) is provided with an exhaust port (12).

2. The novel UV waste gas treatment device for the paint spray and baking room as claimed in claim 1, wherein: an ash bucket (13) is arranged at the bottom of the cyclone dust collector (3), and a layer of anti-sticking coating is coated on the inner wall of the cyclone dust collector (3) and the inner wall of the ash bucket (13).

3. The novel UV waste gas treatment device for the paint spray and baking room as claimed in claim 2, wherein: a plurality of glass fiber cotton filter screen plates (14) are longitudinally arranged in the glass fiber cabinet (7).

4. The novel UV waste gas treatment device for the paint spray and baking room as claimed in claim 3, wherein: active carbon filter equipment (9) include box and active carbon filter, one side of box is provided with a plurality of rectangular hole, the active carbon filter passes through in the rectangular hole inserts the box, it has closing plate (15) to articulate through the hinge on the rectangular hole, the periphery cover of closing plate (15) is equipped with sealed the pad.

5. The novel UV waste gas treatment device for the paint spray and baking room as claimed in claim 4, wherein: the paint mist particle collecting tank (16) is installed at the bottom of the gas collecting hood (1), and anti-sticking coatings are coated on the inner walls of the gas collecting hood (1) and the inner wall of the collecting tank (16).

6. The novel UV waste gas treatment device for the paint spray and baking room as claimed in claim 5, wherein: the tail end of the exhaust pipe (11) is provided with an umbrella-shaped baffle (17) through a bracket.