CN215196324U

CN215196324U - Special clarification plant of paint production

Info

Publication number: CN215196324U
Application number: CN202121661394.7U
Authority: CN
Inventors: 隋军
Original assignee: Shenyang Meishi Chemical Co ltd
Current assignee: Shenyang Meishi Chemical Co ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2021-12-17
Anticipated expiration: 2031-07-21

Abstract

The utility model discloses a special purification device for paint production, which comprises a purification tank body, wherein the purification tank body comprises a purification bin, a filtering bin, a catalyst bin and a diversion bin; a filtering component is arranged in the filtering bin; an adsorption component is arranged in the catalyst bin. The spray effect is improved by the aid of the spirally arranged spray heads, so that water is in full contact with waste gas, the three-stage filter plate is additionally arranged to effectively remove particles in the waste gas, and harmful substances are adsorbed and purified more thoroughly; the catalyst balls are used for catalysis, so that the catalytic efficiency is improved, and the waste gas treatment speed is directly increased; the water resource realizes the recycling.

Description

Special clarification plant of paint production

Technical Field

The utility model relates to a waste gas treatment technical field especially relates to a special clarification plant of paint production.

Background

During the production process of the paint, organic waste gas components such as formaldehyde, phenol, benzene, toluene, xylene and the like are generated, wherein the formaldehyde is colorless gas with strong pungent smell. The benzene is a highly toxic substance, the toluene and the xylene are low-toxicity substances, and a certain amount of benzene, toluene and xylene inhaled can cause poisoning and even destroy a hematopoietic system and a nervous system. In view of this, the treatment of organic waste gases from paint production is at hand. Most of the existing paint production and purification equipment is that a spraying system sprays water into a purification tank body to purify waste gas, and the treatment mode is single and the purification effect is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides a special purifying device for paint production.

In order to solve the technical problem, the technical scheme adopted by the utility model is a special purification device for paint production, which comprises a purification tank body, wherein the purification tank body comprises a purification bin, a filtering bin, a catalyst bin and a flow guide bin, the purification bin, the filtering bin, the catalyst bin and the flow guide bin are sequentially communicated from top to bottom, a spray assembly is arranged in the purification bin, an air inlet pipeline is arranged at the upper end of the purification bin, and the flow guide bin is communicated with a circulating water tank outwards through a pipeline;

the spraying assembly comprises a spraying pipe, the spraying pipe is arranged on a vertical central axis of the purification bin, a plurality of nozzles are arranged on the pipe wall of the spraying pipe and are spirally arranged, the lower end part of the spraying pipe is closed, and the upper end part of the spraying pipe is communicated with the circulating water tank through a pipeline;

a filtering component is arranged in the filtering bin, the filtering component comprises a filtering barrel, a first-stage filtering plate, a second-stage filtering plate and a third-stage filtering plate are sequentially arranged on the cross section of the filtering barrel along the vertical direction, and a buffering sedimentation zone is arranged below the third-stage filtering plate in the filtering barrel;

an adsorption component is arranged in the catalyst bin and comprises a catalyst pellet, and the catalyst bin is filled with the catalyst pellet.

Furthermore, a pipeline of the spray pipe communicated with the circulating water tank is provided with a pressure water pump.

Further, the first-stage filter plate, the second-stage filter plate and the third-stage filter plate are filter plates formed by laminating non-woven filter cloth and are used for adsorbing and absorbing particles in waste water of waste gas.

Further, an air inlet valve is arranged on the air inlet pipeline.

Furthermore, a flow guide pipe is arranged between the catalyst bin and the flow guide bin, and the flow guide pipe is provided with a water inlet valve.

The utility model discloses a special purifying device for paint production, which utilizes a spray head arranged in a spiral shape to improve the spraying effect, is beneficial to the full contact between water and waste gas, adds a three-stage filter plate to effectively remove particles in the waste gas, and is beneficial to the more thorough adsorption and purification of harmful substances; the catalyst balls are used for catalysis, so that the catalytic efficiency is improved, and the waste gas treatment speed is directly increased; the water resource realizes the recycling.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

In the figure: 1. purifying the tank body; 11. a purifying bin; 12. a filtering bin; 13. a catalyst bin; 14. a diversion bin; 15. a circulating water tank; 111. an air intake duct; 112. a shower pipe; 113. a nozzle; 114. an intake valve; 121. a filter vat; 122. a first-stage filter plate; 123. a secondary filter plate; 124. a third-stage filter plate; 125. a buffer precipitation zone; 131. catalyst pellets; 141. a flow guide pipe; 142. a water inlet valve; 151. a pressurized water pump.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The special purification equipment for paint production shown in fig. 1 comprises a purification tank body 1, wherein the purification tank body 1 comprises a purification bin 11, a filtration bin 12, a catalyst bin 13 and a diversion bin 14, the purification bin 11, the filtration bin 12, the catalyst bin 13 and the diversion bin 14 are sequentially communicated with one another from top to bottom in the purification tank body, the upper end of the purification bin 11 is provided with an air inlet pipeline 111, and the air inlet pipeline 111 is provided with an air inlet valve 114.

A spray assembly is arranged in the purification bin 11, the spray assembly comprises a spray pipe 112, the spray pipe 112 is arranged on a vertical central axis of the purification bin 11, a plurality of nozzles 113 are arranged on the pipe wall of the spray pipe 112, the plurality of nozzles 113 are arranged in a spiral shape, the lower end part of the spray pipe 112 is closed, and the upper end part of the spray pipe 112 is communicated with the circulating water tank 15 through a pipeline; a pressurized water pump 151 is arranged on the pipeline of the spray pipe 112 communicated with the circulating water tank 15.

Be provided with filtering component in the filtration storehouse 12, filtering component includes filter vat 121, is equipped with one-level filter 122, second grade filter 123 and tertiary filter 124 along upper and lower direction in proper order on filter vat 121's the cross section, and one-level filter 122, second grade filter 123 and tertiary filter 124 are the filter that the non-woven filter cloth layer was pressed for the particulate matter in the waste water of absorption waste gas. A buffer settling zone 125 is arranged below the third-stage filter plate 124 in the filter barrel 121;

an adsorption component is arranged in the catalyst bin 13 and comprises catalyst pellets 131, and the catalyst bin 13 is filled with the catalyst pellets 131. A guide pipe 141 is arranged between the catalyst bin 13 and the guide bin 14, and the guide pipe 141 is provided with a water inlet valve 142. The diversion bin 14 is communicated with a circulating water tank 15 outwards through a pipeline;

the working principle is as follows: when the device is used, waste gas generated in the paint production process is input into the purification bin through the air inlet pipeline, the pressure water pump is started to pump water in the circulating water tank, water pressure is generated and is sprayed out through the spiral nozzles arranged on the spray pipes, the water falls in a spiral posture and fully contacts with the waste gas, then the water enters the filter bin under the action of self gravity, the first-stage filter plate, the second-stage filter plate and the third-stage filter plate in the filter bin filter particles in the waste gas, the particles are filtered completely, the waste gas is more easily purified, the filtered water is settled in the buffering and settling area and then enters the catalyst bin, the catalyst pellets in the catalyst bin are adapted to different solid pellets according to the type of the waste gas generated by the waste gas, the reaction area is increased to effectively catalyze and decompose the waste gas, the water inlet valve is opened after the decomposition is finished and then the waste gas flows back into the flow bin, and the flow guide bin can sample and detect whether the waste gas is qualified or not, and discharging the qualified purified water into a circulating water tank for recycling.

The above embodiments are not intended to limit the present invention, and the present invention is not limited to the above examples, and the technical personnel in the technical field are in the present invention, which can also belong to the protection scope of the present invention.

Claims

1. The utility model provides a special clarification plant of paint production, it is including purifying tank body (1), its characterized in that: the purifying tank body (1) comprises a purifying bin (11), a filtering bin (12), a catalyst bin (13) and a flow guide bin (14), the purifying bin (11), the filtering bin (12), the catalyst bin (13) and the flow guide bin (14) are sequentially communicated from top to bottom, a spraying assembly is arranged in the purifying bin (11), an air inlet pipeline (111) is arranged at the upper end of the purifying bin (11), and the flow guide bin (14) is communicated with a circulating water tank (15) outwards through a pipeline;

the spray assembly comprises a spray pipe (112), the spray pipe (112) is arranged on a vertical central axis of the purification bin (11), a plurality of nozzles (113) are arranged on the pipe wall of the spray pipe (112), the plurality of nozzles (113) are arranged in a spiral shape, the lower end part of the spray pipe (112) is closed, and the upper end part of the spray pipe (112) is communicated with the circulating water tank (15) through a pipeline;

a filtering component is arranged in the filtering bin (12), the filtering component comprises a filtering barrel (121), a first-stage filtering plate (122), a second-stage filtering plate (123) and a third-stage filtering plate (124) are sequentially arranged on the cross section of the filtering barrel (121) along the vertical direction, and a buffering settling zone (125) is arranged in the filtering barrel (121) and is positioned below the third-stage filtering plate (124);

and an adsorption component is arranged in the catalyst bin (13), the adsorption component comprises catalyst balls (131), and the catalyst bin (13) is filled with the catalyst balls (131).

2. The special purification equipment for paint production according to claim 1, characterized in that: and a pressurized water pump (151) is arranged on a pipeline which is communicated with the spray pipe (112) and the circulating water tank (15).

3. The special purification equipment for paint production according to claim 2, characterized in that: the first-stage filter plate (122), the second-stage filter plate (123) and the third-stage filter plate (124) are filter plates formed by laminating non-woven filter cloth and used for adsorbing and absorbing particles in waste water of waste gas.

4. The special purification equipment for paint production according to claim 3, characterized in that: an air inlet valve (114) is arranged on the air inlet pipeline (111).

5. The special purification equipment for paint production according to claim 4, characterized in that: a guide pipe (141) is arranged between the catalyst bin (13) and the guide bin (14), and the guide pipe (141) is provided with a water inlet valve (142).