CN214345588U

CN214345588U - Paint spraying waste gas treatment device

Info

Publication number: CN214345588U
Application number: CN202022120654.1U
Authority: CN
Inventors: 王红
Original assignee: Haorui Xingchen Tianjin Technology Co ltd
Current assignee: Haorui Xingchen Tianjin Technology Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-10-08
Anticipated expiration: 2030-09-24

Abstract

The utility model discloses a paint spraying waste gas treatment device in the technical field of paint spraying waste gas treatment, which comprises an air inlet pipeline and a spray tower, a demisting layer is fixedly arranged on the left side wall of the inner cavity of the spray tower, a spray header is fixedly arranged below the demisting layer, the lower side wall of the spray header is fixedly connected with a spray head, a ceramic packing layer is fixedly arranged below the spray head, the lower side wall of the inner cavity of the spray tower is fixedly provided with a water storage area, the left side wall of the water storage area is fixedly provided with a water inlet pipe, the utility model has reasonable design, the decomposition and precipitation treatment of the soluble water component in the waste gas is carried out by spraying, so as to realize the preliminary filtration of the waste gas, the filtered gas is subjected to photolysis separation sterilization through a titanium dioxide semiconductor, so that harmful and toxic components in the gas are destroyed and changed into organic oxides harmless to human bodies, and the gas subjected to electrolytic treatment is subjected to adsorption treatment through filtering activated carbon.

Description

Paint spraying waste gas treatment device

Technical Field

The utility model relates to a waste gas treatment technical field that sprays paint specifically is a waste gas treatment device sprays paint.

Background

Along with industrial development, the paint spraying link is an important component in industrial production, paint mist contains rich toxic and harmful substance components and has thick peculiar smell, the harm to the respiratory tract of a human body is great, the health of the human body is seriously threatened, meanwhile, serious air environment pollution is caused, the craving for improving the air environment for people is increased day by day, and the paint mist waste gas is urgently required to be treated.

The existing treatment equipment mainly treats paint mist waste gas by hydrolysis dissolution and active carbon, lacks photo-oxidation catalytic treatment, and cannot thoroughly treat toxic and harmful components in the waste gas.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waste gas treatment device sprays paint to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a paint spraying waste gas treatment device comprises an air inlet pipeline and a spray tower, wherein a defogging layer is fixedly arranged on the left side wall of an inner cavity of the spray tower, a spray water pipe is fixedly arranged below the defogging layer, the lower side wall of the spray header is fixedly connected with a spray head, a ceramic packing layer is fixedly arranged below the spray head, a water storage area is fixedly arranged on the lower side wall of the inner cavity of the spray tower, a water inlet pipe is fixedly arranged on the left side wall of the water storage area, a sewage discharge pipe is fixedly arranged on the lower side wall of the water storage area, a first water pump is connected with a pipeline flange at the water outlet end of the water storage area, the outlet end pipeline of the spray tower is connected with a photolysis catalysis box through a flange, the outlet end pipeline of the photolysis catalysis box is connected with an active carbon filter box through a flange, the outlet end pipeline flange of the active carbon filter box is connected with an induced draft fan, and the outlet end pipeline flange of the induced draft fan is connected with a chimney.

Preferably, the left side wall of the inner cavity of the activated carbon filter box is movably provided with a storage bracket, and the right side of the storage bracket is fixedly provided with a push-pull handle.

Preferably, the fixed lighting fixture, photocatalysis semiconductor and the cold water storage cistern that is provided with of lower lateral wall of the inner chamber of photodissociation catalysis case, the equal fixedly connected with purple light lamp of left side and right lateral wall of lighting fixture, the end pipeline activity of giving vent to anger of the lower lateral wall of cold water storage cistern is provided with the check switch valve, the end flange connection that intakes of the right lateral wall of cold water storage cistern has the second water pump, the fixed heating device that is provided with in left side of cold water storage cistern, heating device's right side wall flange is connected with the heat pipe.

Preferably, the shower head comprises a water spray hole and a water inlet.

Preferably, the defogging layer includes an outer frame and a defogging plate.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a rationally, decompose the precipitation treatment through spraying the water-soluble composition in to waste gas, the realization is carried out prefilter to waste gas, gas after filtering through the titanium dioxide semiconductor carries out the photodissociation separation and disinfects, harmful toxic composition becomes the harmless organic oxide to the human body in the realization destruction gas, gas after the electrolysis is handled through filtering activated carbon adsorption, adsorb remaining harmful composition in the gas and drive and form emission standard gas, through getting into the filter layer behind the formation vapour to the water heating, thereby realize activated carbon desorption increase of service life.

Drawings

FIG. 1 is a schematic view of the main structure of a paint spraying waste gas treatment device of the present invention;

FIG. 2 is a top view of a shower head of the paint spraying waste gas treatment device of the present invention;

FIG. 3 is a schematic view of a demisting layer structure of the painting waste gas treatment device of the present invention;

fig. 4 is the structural schematic diagram of the filter box of the paint spraying waste gas treatment device of the utility model.

In the figure: 1. an air intake duct; 2. a spray tower; 3. a water inlet pipe; 4. a demisting layer; 41. an outer frame; 42. A defogging plate; 5. a spray header; 6. a shower head; 61. a water spray hole; 62. a water inlet; 7. a ceramic packing layer; 8. a water storage area; 9. a blow-off pipe; 10. a first water pump; 11. a heating device; 12. a heat conducting pipe; 13. a photolytic catalytic tank; 14. a lamp holder; 15. an ultraviolet lamp; 16. a photocatalytic semiconductor; 17. a cold water tank; 18. a one-way switching valve; 19. a second water pump; 20. an activated carbon filter box; 201. a placement bracket; 202. A push-pull handle; 21. an induced draft fan; 22. and (4) a chimney.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a paint spraying waste gas treatment device as shown in figures 1-4, which comprises an air inlet pipeline 1 and a spray tower 2, wherein the left side wall of the inner cavity of the spray tower 2 is fixedly provided with a demisting layer 4, a spray water pipe 5 is fixedly arranged below the demisting layer 4, the lower side wall of the spray water pipe 5 is fixedly connected with a spray head 6, the lower side wall of the inner cavity of the spray tower 6 is fixedly provided with a ceramic packing layer 7, the lower side wall of the inner cavity of the spray tower 2 is fixedly provided with a water storage area 8, the left side wall of the water storage area 8 is fixedly provided with an inlet pipe 3, the lower side wall of the water storage area 8 is fixedly provided with a drain pipe 9, the water outlet pipeline of the water storage area 8 is flanged with a first water pump 10, the outlet pipeline of the spray tower 2 is flanged with a photolysis catalysis box 13, the outlet pipeline of the photolysis catalysis box 13 is flanged with an activated carbon filter box 20, the outlet pipeline of the activated carbon filter box 20 is flanged with a draught fan 21, the outlet end pipeline flange of the draught fan 21 is connected with a chimney 22, and the chimney 22 discharges gas up to the standard.

The left side wall of the inner cavity of the activated carbon filter box 20 is movably provided with a storage bracket 201, the right side of the storage bracket 201 is fixedly provided with a push-pull handle 202, and activated carbon is conveniently replaced by the push-pull handle 202;

a lamp holder 14, a photocatalytic semiconductor 16 and a cold water tank 17 are fixedly arranged on the lower side wall of the inner cavity of the photolysis catalysis tank 13, ultraviolet lamps 15 are fixedly connected to the left side wall and the right side wall of the lamp holder 14, a one-way switch valve 18 is movably arranged on an air outlet end pipeline of the lower side wall of the cold water tank 17, a second water pump 19 is connected to a water inlet end flange of the right side wall of the cold water tank 17, a heating device 11 is fixedly arranged on the left side of the cold water tank 17, a heat conduction pipe 12 is connected to a right side wall flange of the heating device 11, and the heat conduction pipe 12 enters the inner cavity of the cold water tank 17 to heat water to form steam;

the spray header 6 comprises a water spraying hole 61 and a water inlet 62, water is uniformly sprayed on the surface of the ceramic filler layer 7 through the spray header 6, and convection is formed between the water and the rising gas;

the defogging layer 4 includes an outer frame 41 and a defogging plate 42, and the water component contained in the filtered gas is scraped off by the defogging layer 4.

The working principle is as follows: in the concrete construction operation, the waste gas is sprayed to the spray tower 2 through the gas inlet pipeline 1, the ceramic filler layer 7 is uniformly sprayed with water through the spray head 6, the gas is contacted with the rising waste gas to decompose the easily soluble substance components in the waste gas and is precipitated, the filtered gas enters the photolysis catalytic box 13, the ultraviolet lamp 15 irradiates the photocatalytic semiconductor 16 to perform electrolytic separation on toxic and harmful components in the gas, and forms harmless organic matter components, the separated harmless gas enters an active carbon filter box 20 for adsorption, the residual impurity components in the gas are removed to form gas which reaches the discharge standard, the water in the cold water tank 17 is heated to form steam under the combined action of the heating device 11 and the heat conduction pipe 12, enters the activated carbon filter tank 20 through the one-way switch valve 18 to perform desorption treatment on the activated carbon with saturated adsorption, and finally enters the chimney 22 through the induced draft fan 21 to be discharged out of the atmosphere.

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 paint spraying waste gas treatment device comprises an air inlet pipeline (1) and a spray tower (2), wherein a defogging layer (4) is fixedly arranged on the left side wall of an inner cavity of the spray tower (2), a spray water pipe (5) is fixedly arranged below the defogging layer (4), a spray head (6) is fixedly connected to the lower side wall of the spray water pipe (5), a ceramic packing layer (7) is fixedly arranged below the spray head (6), a water storage area (8) is fixedly arranged on the lower side wall of the inner cavity of the spray tower (2), an inlet pipe (3) is fixedly arranged on the left side wall of the water storage area (8), a blow-off pipe (9) is fixedly arranged on the lower side wall of the water storage area (8), a first water pump (10) is connected to a water outlet end pipeline flange of the water storage area (8), a photolysis catalysis box (13) is connected to an outlet end pipeline flange of the spray tower (2), the outlet end pipeline flange of photolysis catalysis case (13) is connected with active carbon filter box (20), the outlet end pipeline flange of active carbon filter box (20) is connected with draught fan (21), the outlet end pipeline flange of draught fan (21) is connected with chimney (22).

2. The exhaust gas treatment device for painting according to claim 1, wherein: the left side wall of the inner cavity of the active carbon filter box (20) is movably provided with an article placing bracket (201), and the right side of the article placing bracket (201) is fixedly provided with a push-pull handle (202).

3. The exhaust gas treatment device for painting according to claim 1, wherein: the fixed lighting fixture (14), photocatalysis semiconductor (16) and cold water storage cistern (17) that are provided with of lower lateral wall of the inner chamber of photodissociation catalysis case (13), the left side and the equal fixedly connected with purple light lamp (15) of right side wall of lighting fixture (14), the end pipeline activity of giving vent to anger of the lower lateral wall of cold water storage cistern (17) is provided with one-way switch valve (18), the end flange connection that intakes of the right side wall of cold water storage cistern (17) has second water pump (19), the fixed heating device (11) that are provided with in left side of cold water storage cistern (17), the right side wall flange of heating device (11) is connected with heat pipe (12).

4. The exhaust gas treatment device for painting according to claim 2, wherein: the spray header (6) comprises a water spray hole (61) and a water inlet (62).

5. The exhaust gas treatment device for painting according to claim 2, wherein: the defogging layer (4) comprises an outer frame (41) and a defogging plate (42).