CN209934351U - Paint mist waste gas purification device - Google Patents
Paint mist waste gas purification device Download PDFInfo
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- CN209934351U CN209934351U CN201920541599.8U CN201920541599U CN209934351U CN 209934351 U CN209934351 U CN 209934351U CN 201920541599 U CN201920541599 U CN 201920541599U CN 209934351 U CN209934351 U CN 209934351U
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- water curtain
- absorption liquid
- pool
- tower body
- slag
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- Treating Waste Gases (AREA)
Abstract
The utility model discloses a paint mist waste gas purification device, including tower body, absorption liquid pool, drag for the sediment pond, circulating pump, absorption liquid pool be located the bottom of tower body, drag for the sediment pond and absorb the liquid pool and link as an organic whole and the lower part communicates with each other, upper portion is equipped with the deep bead that prevents the air leakage, install one-level each other and stack and detachable liquid film defroster in the tower body at least, the liquid film defroster separates the tower body into spraying washing district and water curtain filtering area, the liquid film defroster is located the water curtain filtering area, a plurality of shower heads are installed to spraying washing district top, the water curtain overflow launder is installed to water curtain filtering area top, one end and the sediment pond intercommunication of circulating pump, the other end communicates with shower head and water curtain overflow launder respectively; after adopting this structure, have simple structure reasonable, operation convenient to use, treatment effect are good, work efficiency is high and advantage such as reuse.
Description
Technical Field
The utility model relates to an environmental protection processing technology field, especially a product surface sprays paint produced coating cloud exhaust gas purification device.
Background
The paint spraying treatment can be carried out on the surface of the product in the production process of daily necessities and industrial products, so that not only can the product be produced with high quality, low price and rich and colorful, but also the grade and the service life of the product can be greatly improved. However, considerable amounts of paint waste gases are released during the painting process and the subsequent curing process. At present, the paint spraying waste gas contains paint mist waste gas and organic waste gas, in order to effectively pretreat the paint mist waste gas, the common methods are spray tower spray purification method, dry purification method, water curtain purification method, water rotating purification method, Venturi water curtain purification method, pumpless water curtain purification method, micron bubble separation method and the like, in practical application, the removal rate of paint mist is generally kept at 60-85% as a pretreatment process, because the paint mist contains aerosol and organic matters which have a large amount of viscosity in the form of liquid functional groups, the subsequent organic waste gas purification is directly influenced by the paint mist in waste gas which is not well treated, no matter which process is adopted subsequently, the subsequent process can cause influence, activated carbon adsorption can block activated carbon pores to cause rapid inactivation of the activated carbon, plasma and photocatalysis can block light pipes to cause short circuit and even explosion, and catalytic combustion can block honeycomb ceramics and the like. The pollution control of the waste gas in the spraying industry is always a difficult problem which is difficult to solve at home and abroad, and particularly, whether the paint mist can be completely treated or not in the pretreatment stage is very critical to subsequent treatment equipment, so that the operation of the whole system is directly influenced, and further improvement is needed. Therefore, many manufacturers and knowledgeable persons develop and develop the products, but no good products are yet available.
Disclosure of Invention
In order to overcome the problems existing in the prior art, the utility model aims to develop a paint mist waste gas purification device which has simple and reasonable structure, convenient operation and use, good treatment effect, high working efficiency and can be repeatedly used.
The utility model solves the technical problems and adopts the technical proposal that the device comprises a tower body, an absorption liquid pool, a slag salvaging pool and a circulating pump, wherein the absorption liquid pool is arranged at the bottom of the tower body, the slag salvaging pool and the absorption liquid pool are connected into a whole, the lower part of the slag salvaging pool is communicated, the upper part of the slag salvaging pool is provided with a wind shield for preventing air leakage, the absorption liquid in the absorption liquid pool and the slag salvaging pool is higher than the bottom of the wind shield, at least one stage of liquid film demister which is mutually stacked and can be disassembled is arranged in the tower body, the liquid film demister divides the tower body into a spray washing area and a water curtain filtering area, a waste gas inlet of the tower body is arranged in the spray washing area, an exhaust outlet of the tower body is arranged at the outlet side of the water curtain filtering area, the demister is arranged on the water curtain filtering area, a plurality of spray heads are arranged above the spray, the other end is respectively communicated with the spray header and the water curtain overflow groove through a connecting pipe; during operation, absorption liquid sprayed by a spray head and paint mist waste gas entering from a waste gas inlet are subjected to contact reaction to generate paint slag, absorption liquid flowing down from a water curtain overflow groove forms an absorption liquid film on the surface of a water curtain plate of a liquid film demister, the paint mist waste gas is subjected to contact reaction with the absorption liquid film to generate the paint slag, and the paint slag flows into an absorption liquid pool along with the absorption liquid and then enters a slag fishing pool.
The utility model discloses a further scheme, the liquid film defroster include mount, a plurality of water curtain board, the water curtain board is the S-shaped structure, water curtain board align to grid and detachably install on the mount, form S-shaped exhaust gas channel between the adjacent water curtain board.
The further proposal of the utility model is that the slag salvaging pool is provided with a slag salvaging port which is convenient for cleaning the paint slag.
The utility model discloses a further scheme, the tower body on be equipped with the access hole that makes things convenient for the liquid film defroster to dismantle the clearance, install sealed access door on the access hole.
After adopting above-mentioned structure, compare with prior art and have following advantage and effect: firstly, the coating cloud waste gas contact reaction back that absorbing solution that the during operation shower head sprayed and waste gas import got into, pass through the absorbing solution that water curtain overflow groove flows down again and produce the coating cloud waste gas secondary contact reaction in the liquid film defroster with coating cloud waste gas, the coating cloud enters along with the absorbing solution flows into behind the absorbing solution pond and drags for the sediment pond, can set up multistage liquid film defroster according to the treatment effect in same tower body, guarantees that the coating cloud waste gas passes through the utility model discloses can discharge to reach standard after handling, the coating cloud of income is transported to the useless warehouse of danger and is handled in unison. Secondly, because liquid film defroster water curtain board align to grid and detachably installs on the mount, form S-shaped exhaust gas channel between the adjacent water curtain board, can prolong the dwell time of coating cloud waste gas on S-shaped exhaust gas channel, guarantee coating cloud waste gas treatment effect. And thirdly, because the tower body is provided with the access hole, the access hole is provided with the sealed access door, the liquid film demister can be moved out from the access hole to clean, clean and replace the water curtain plate, the cleaning and the replacement are simple and convenient, and the service life can be ensured.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic view of the spraying circulation structure of the present invention.
Fig. 3 is the matching structure schematic diagram of the S-shaped waste gas channel of the liquid film demister of the present invention.
Wherein 1 tower body, 2 waste gas import, 3 absorption liquid ponds, 4 circulating pumps, 5 access holes, 6 access doors, 7 connecting pipes, 8 drag for the slag bath, 9 deep beads, 10 shower heads, 11 water curtain overflow launders, 12 absorption liquid, 13 liquid film demister, 14 water curtain board, 15 mount, 16 spray washing district, 17 water curtain filtering areas, 18 exhaust outlets.
Detailed Description
FIG. 1, FIG. 2 and FIG. 3 show a concrete embodiment of the paint mist waste gas purifying device of the present invention, which comprises a tower body 1, an absorption liquid pool 3, a slag scooping pool 8 and a circulating pump 4, wherein the absorption liquid pool 3 is located at the bottom of the tower body 1, the slag scooping pool 8 is connected with the absorption liquid pool 3 into a whole, the lower part of the slag scooping pool is communicated with the lower part of the absorption liquid pool 3, the upper part of the absorption liquid pool is provided with a wind screen 9 for preventing air leakage, the absorption liquid 12 in the absorption liquid pool 3 and the slag scooping pool 8 is higher than the bottom of the wind screen 9, at least one stage of liquid film demister 13 which is mutually overlapped and can be disassembled is arranged in the tower body 1, the liquid film demister 13 divides the tower body 1 into a spraying washing area 16 and a water curtain filtering area 17, a waste gas inlet 2 of the tower body 1 is arranged in the spraying washing area 16, an exhaust outlet 18 of the tower body 1, a water curtain overflow groove 11 is arranged above the water curtain filtering area 17, one end of the circulating pump 4 is communicated with the absorption liquid 12 in the absorption liquid pool 3 or the slag salvaging pool 8 through a connecting pipe 7, and the other end is respectively communicated with the spray header 10 and the water curtain overflow groove 11 through the connecting pipe 7; during operation, the absorption liquid 12 sprayed by the spray header 10 contacts and reacts with paint mist waste gas entering from the waste gas inlet 2 to generate paint slag, the absorption liquid 12 flowing down from the water curtain overflow groove 11 forms an absorption liquid film on the surface of a water curtain plate 14 of the liquid film demister 13, the paint mist waste gas contacts and reacts with the absorption liquid film to generate paint slag, and the paint slag flows into the absorption liquid tank 3 along with the absorption liquid 12 and then enters the slag salvaging tank 8.
In order to prolong the retention time of the paint mist waste gas on the liquid film demister 13, the liquid film demister 13 comprises a fixed frame 15 and a plurality of water curtain plates 14, the water curtain plates 14 are of S-shaped structures, the water curtain plates 14 are uniformly arranged and detachably mounted on the fixed frame 15, and S-shaped waste gas channels are formed between the adjacent water curtain plates 14.
In order to collect paint slag conveniently, a slag dragging port convenient for cleaning the paint slag is arranged on the slag dragging pool 8.
In order to conveniently clean and clean the water curtain plate 14 and ensure the service life of the liquid film demister 13, the tower body 1 is provided with an access hole 5 which is convenient for the liquid film demister 13 to be detached and cleaned, and the access hole 5 is provided with a sealed access door 6.
The above description is only the specific embodiment of the present invention, and is not intended to limit the present invention in any form, and the present invention does not depart from the technical solution of the present invention, and the made simple modification, equivalent change or modification all fall into the protection scope of the present invention.
Claims (4)
1. The utility model provides a coating cloud exhaust gas purification device, includes tower body (1), absorption liquid pond (3), drags for slag bath (8), circulating pump (4), characterized by: the absorption liquid pool (3) is positioned at the bottom of the tower body (1), the slag fishing pool (8) and the absorption liquid pool (3) are connected into a whole, the lower part of the slag fishing pool (8) is communicated, the upper part of the slag fishing pool is provided with a wind shield (9) for preventing air leakage, the absorption liquid (12) in the absorption liquid pool (3) and the slag fishing pool (8) is higher than the bottom of the wind shield (9), at least one stage of liquid film demister (13) which is mutually stacked and can be detached is arranged in the tower body (1), the tower body (1) is divided into a spraying washing area (16) and a water curtain filtering area (17) by the liquid film demister (13), a waste gas inlet (2) of the tower body (1) is arranged at the spraying washing area (16), an exhaust outlet (18) of the tower body (1) is arranged at the outlet side of the water curtain filtering area (17), the demister (13) is positioned on the water curtain filtering area (, a water curtain overflow groove (11) is arranged above the water curtain filtering area (17), one end of the circulating pump (4) is communicated with the absorption liquid (12) in the absorption liquid pool (3) or the residue salvaging pool (8) through a connecting pipe (7), and the other end of the circulating pump is respectively communicated with the spray header (10) and the water curtain overflow groove (11) through the connecting pipe (7); when the paint spraying device works, an absorption liquid (12) sprayed by a spray head (10) is in contact reaction with paint mist waste gas entering from a waste gas inlet (2) to generate paint slag, an absorption liquid film is formed on the surface of a water curtain plate (14) of a liquid film demister (13) by the absorption liquid (12) flowing down from a water curtain overflow groove (11), the paint mist waste gas is in contact reaction with the absorption liquid film to generate paint slag, and the paint slag flows into an absorption liquid pool (3) along with the absorption liquid (12) and then enters a slag fishing pool (8).
2. The paint mist exhaust gas purifying apparatus as set forth in claim 1, wherein: the liquid film demister (13) comprises a fixing frame (15) and a plurality of water curtain plates (14), wherein the water curtain plates (14) are of S-shaped structures, the water curtain plates (14) are uniformly arranged and detachably mounted on the fixing frame (15), and S-shaped waste gas channels are formed between the adjacent water curtain plates (14).
3. The paint mist exhaust gas purifying apparatus as claimed in claim 1 or 2, wherein: the slag fishing pool (8) is provided with a slag fishing port which is convenient for cleaning paint slag.
4. The paint mist exhaust gas purifying apparatus as set forth in claim 3, wherein: the tower body (1) on be equipped with and make things convenient for liquid film defroster (13) to dismantle access hole (5) of clearance, install sealed access door (6) on access hole (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920541599.8U CN209934351U (en) | 2019-04-20 | 2019-04-20 | Paint mist waste gas purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920541599.8U CN209934351U (en) | 2019-04-20 | 2019-04-20 | Paint mist waste gas purification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209934351U true CN209934351U (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920541599.8U Active CN209934351U (en) | 2019-04-20 | 2019-04-20 | Paint mist waste gas purification device |
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| CN (1) | CN209934351U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114712953A (en) * | 2022-03-16 | 2022-07-08 | 浙江菲达环保科技股份有限公司 | Dust removal device for removing textile fiber particles in waste gas |
-
2019
- 2019-04-20 CN CN201920541599.8U patent/CN209934351U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114712953A (en) * | 2022-03-16 | 2022-07-08 | 浙江菲达环保科技股份有限公司 | Dust removal device for removing textile fiber particles in waste gas |
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