CN210934312U - Coating waste gas paint mist removing device - Google Patents
Coating waste gas paint mist removing device Download PDFInfo
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- CN210934312U CN210934312U CN201921728966.1U CN201921728966U CN210934312U CN 210934312 U CN210934312 U CN 210934312U CN 201921728966 U CN201921728966 U CN 201921728966U CN 210934312 U CN210934312 U CN 210934312U
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Abstract
The utility model provides a coating waste gas coating cloud remove device. The utility model comprises a paint mist treatment tower body, wherein a demisting channel is arranged in the paint mist treatment tower body, an air outlet channel and an air inlet channel are arranged on the paint mist treatment tower body, the air outlet channel and the air inlet channel are both communicated with the interior of the demisting channel, and the air outlet channel is positioned above the air inlet channel; a demisting component is arranged in the demisting channel and positioned between the air outlet channel and the air inlet channel, and the demisting component comprises a filter cloth bag and a powder spraying piece which are arranged from top to bottom in sequence; the powder spraying piece can spray demisting powder into the demisting channel; and an induced draft fan is arranged in the air outlet channel and used for guiding the waste gas in the demisting channel to the air outlet channel. Through above-mentioned technical scheme, application waste gas coating cloud can be got rid of by defogging powder, filtration sack earlier, and then is favorable to promoting the aftertreatment validity of application waste gas.
Description
Technical Field
The utility model relates to a coating exhaust gas purification device especially relates to a coating exhaust gas coating cloud remove device.
Background
When the paint spraying operation is carried out on the appointed object, part of the paint liquid is adhered to the outer surface of the appointed object to be sprayed with paint, and the other part of the paint liquid is scattered in the air, so that the paint mist of the waste coating gas is formed.
In order to treat the coating exhaust gas, a technique such as catalytic oxidation, low-temperature plasma, activated carbon adsorption, or the like is generally performed.
However, the exhaust paint mist has a strong adhesiveness, and if the exhaust paint mist is directly used for catalytic oxidation treatment or adsorption treatment, the exhaust paint mist can be directly adhered to the outer surface of the corresponding catalyst or the outer surface of the activated carbon, which seriously affects the use effect and the service life of the catalyst or the activated carbon, and the exhaust paint mist treatment effect is poor.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a coating waste gas coating cloud remove device, it can effectively get rid of the coating cloud that contains in the coating waste gas, and then promotes the validity of coating waste gas post treatment.
In order to solve the technical problem, the technical scheme of the utility model is that: a coating waste gas paint mist removing device comprises a paint mist treatment tower body, wherein a demisting channel is arranged in the paint mist treatment tower body, an air outlet channel and an air inlet channel are arranged on the paint mist treatment tower body, the air outlet channel and the air inlet channel are both communicated with the interior of the demisting channel, and the air outlet channel is positioned above the air inlet channel;
a demisting component is arranged in the demisting channel and positioned between the air outlet channel and the air inlet channel, and the demisting component comprises a filter cloth bag and a powder spraying piece which are sequentially arranged from top to bottom;
the powder spraying piece can spray demisting powder into the demisting channel;
and an induced draft fan is arranged in the air outlet channel and used for guiding the waste gas in the demisting channel to the air outlet channel.
Through the technical scheme, the powder spraying piece can spray demisting powder into the demisting channel, the induced draft fan is simultaneously started, the demisting powder can be firstly attached to the lower surface of the filter cloth bag, then the coating waste gas paint mist enters the demisting channel in the paint mist treatment tower body from the air inlet channel, the demisting powder can generate mutual adhesion effect on the coating waste gas paint mist in the demisting channel and further adhere to the lower surface of the filter cloth bag, the coating waste gas without the paint mist can be pumped out of the air outlet channel by the induced draft fan, and when the induced draft fan does not work, the mixture particles of the paint mist and the demisting powder adhered to the lower surface of the filter cloth bag can vertically fall when the mixture particles are large or the weight; in the above-mentioned processing procedure, application waste gas coating cloud can be got rid of by defogging powder, filtration sack earlier, and then is favorable to promoting the aftertreatment validity of application waste gas.
Preferably, the powder spraying device further comprises a back-blowing fan, the back-blowing fan is located on one side, away from the powder spraying part, of the filter cloth bag, and an air outlet of the back-blowing fan faces one side of the filter cloth bag.
According to the technical scheme, when a certain amount of mixture of the paint mist and the demisting powder is adhered to the lower surface of the filter cloth bag, in order to ensure the ventilation quantity in the filter cloth bag, the induced draft fan is closed, the back-blowing fan is started, the direction of air blown out from the air outlet of the back-blowing fan is opposite to that of waste gas flowing in the previous demisting channel, and the back-blowing fan can blow down the mixture of the paint mist and the demisting powder on the lower surface of the filter cloth bag, so that the mixture of the paint mist and the demisting powder on the lower surface of the filter cloth; in addition, because in the earlier stage of use, a demisting powder layer is formed on the lower surface of the filter cloth bag, the separation between the mixture of the paint mist and the demisting powder and the lower surface of the filter cloth bag is facilitated.
Preferably, a valve is arranged in the air outlet channel and used for opening and closing the air outlet channel.
Through above-mentioned technical scheme, when closing the draught fan, opening the blowback fan, close the valve, be favorable to increasing the flow of ventilating of blowback fan to filtering cloth bag, promote the separation efficiency between paint mist, the mixture of defogging powder and the filtering cloth bag lower surface.
Preferably, still including installing in defogging passageway and being located the shale shaker of the piece below of dusting, inlet channel is located the shale shaker and dusts between the piece, the lower part of tower body is handled to the coating cloud is equipped with the export of fog powder, the shale shaker includes the screen cloth, is used for driving the screen cloth and carries out the vibration portion of vibration, the screen cloth covers in fog powder export top position.
Through the technical scheme, the mixture of the paint mist and the demisting powder on the lower surface of the filter cloth bag falls on the screen, and the vibrating part drives the screen to vibrate; on the other hand, the demisting powder particles adhered with the paint mist can be remained on the screen.
Preferably, the fog powder outlet is provided with a fog powder collecting barrel, and the fog powder screened out by the screen can fall into the fog powder collecting barrel from the fog powder outlet.
Through above-mentioned technical scheme, the defogging powder that drops in the screen mesh can be stored in fog powder collecting vessel to ability reuse in later stage.
Preferably, still include powder delivery pump, powder pipeline one end is connected in the fog powder collecting vessel, the powder pipeline other end is connected in the piece that dusts, the powder delivery pump is installed on powder pipeline, the powder delivery pump is used for carrying the fog powder in the fog powder collecting vessel to the piece that dusts.
Through above-mentioned technical scheme, the defogging powder accessible powder delivery pump in the fog powder collecting vessel is retransmitted to the piece of dusting in to reuse defogging powder.
Preferably, the powder spraying part comprises a powder spraying bracket connected to the inner wall of the paint mist treatment tower body and a powder spraying head with a plurality of powder spraying ports, a first powder spraying channel is arranged in the powder spraying bracket, a second powder spraying channel communicated with the powder spraying ports is arranged in the powder spraying head, the powder spraying head is rotatably connected to the powder spraying bracket, and the first powder spraying channel is communicated with the inside of the second powder spraying channel.
Through above-mentioned technical scheme, when the draught fan started, the induced air chance drove the air in the defogging passageway and flows, at this in-process, because the dusting head with spray between the support for swivelling joint mode, the dusting head can take place rotatoryly, meanwhile, the mouth spun defogging powder of dusting can disperse inside the coating cloud treatment tower body more evenly.
Preferably, the direction of a rotating axis core line of the powder spraying head is a vertical direction, the powder spraying head comprises at least two powder spraying rods, all the powder spraying rods are arranged in a circumferential array along the rotating axis core line of the powder spraying head, a third powder spraying channel communicated with the second powder spraying channel is arranged in each powder spraying rod, the powder spraying ports are located on the powder spraying rods, and the powder spraying ports are communicated with the inside of the third powder spraying channel.
Through above-mentioned technical scheme, set up two at least poles of dusting, increased the distributable scope of the mouth of dusting, in addition, when there is gas flow in the defogging passageway, the pole of dusting can carry out the rotation in a circumferential direction around the rotation axis heart yearn of powder spray head, and then is favorable to increasing the mouth spun degree of consistency of dusting.
Preferably, the lower part of the paint mist treatment tower body is also provided with a paint slag outlet, a screen of the vibrating screen is obliquely arranged, and the lower side of the screen is inclined to the paint slag outlet.
Through above-mentioned technical scheme, remain the defogging powder granule that is stained with the coating cloud on the screen cloth and can drop toward coating cloud exit, realized the autosegregation between coating cloud and the defogging powder.
Preferably, a paint slag collecting barrel is arranged at the paint slag outlet.
Through above-mentioned technical scheme, the lacquer sediment collecting vessel catches the lacquer sediment that lacquer sediment export department dropped, and the later stage of being convenient for is collected, is handled.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment;
fig. 2 is an enlarged view of a portion a of fig. 1.
Reference numerals: 1. a paint mist treatment tower body; 2. a demisting channel; 3. an air outlet channel; 4. an air intake passage; 5. a defogging assembly; 51. a filter cloth bag; 52. a powder spraying member; 521. powder spraying support; 5211. a first powder injection channel; 522. a powder spray head; 5221. a second powder spraying channel; 523. a powder spraying rod; 5231. a third powder spraying channel; 6. an induced draft fan; 7. a back-blowing fan; 8. a valve; 9. vibrating screen; 91. screening a screen; 92. a vibrating section; 10. a fog powder collecting barrel; 11. a powder delivery pump; 12. a powder delivery conduit; 13. a paint slag outlet; 14. a paint slag collecting barrel; 15. a powder spraying port; 16. and (5) a mist powder outlet.
Detailed Description
The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so that the technical solution of the present invention can be more easily understood and grasped.
The utility model provides a coating waste gas coating cloud remove device, refers to fig. 1, including coating cloud processing tower body 1, is equipped with defogging passageway 2 in the coating cloud processing tower body 1, and defogging passageway 2 is whole to be vertical to the passageway. An air outlet channel 3 and an air inlet channel 4 are arranged on the paint mist treatment tower body 1, and the air outlet channel 3 and the air inlet channel 4 are both communicated with the interior of the demisting channel 2. The air outlet channel 3 is located above the air inlet channel 4, and the air outlet channel 3 and the air inlet channel 4 can be arranged as horizontal channels. The bottom of the paint mist treatment tower body 1 is provided with a paint slag outlet 13 and a mist powder outlet 16, and the paint slag outlet 13 and the mist powder outlet 16 are communicated with the interior of the mist removal channel 2.
Referring to fig. 1, the paint mist of the exhaust coating gas enters the defogging channel 2 from the air intake channel 4. A valve 8 and an induced draft fan 6 are sequentially arranged in the air outlet channel 3. And the induced draft fan 6 is used for guiding the waste gas in the demisting channel 2 to the gas outlet channel 3. The valve 8 is positioned on one side of the induced draft fan 6 close to the demisting channel 2, and the valve 8 is used for opening and closing the air outlet channel 3.
Referring to fig. 1, a defogging assembly 5 is disposed in the defogging channel 2 between the outlet channel 3 and the inlet channel 4, and the defogging assembly 5 is described in detail below:
referring to fig. 1, the defogging assembly 5 includes a back blower 7, a filter cloth bag 51, and a powder spraying member 52, which are sequentially arranged from top to bottom. The filtering cloth bag 51 is transversely arranged, and the periphery of the filtering cloth bag 51 is connected on the channel wall of the demisting channel 2. The air outlet of the back blower 7 faces one side of the filter cloth bag 51. The powder spraying member 52 can spray demisting powder into the demisting passage 2, and the demisting powder and paint mist in the coating waste gas are mixed with each other and then adhered to the lower bag surface of the filter cloth bag 51.
Referring to fig. 1 and 2, the powder spraying member 52 includes a powder spraying bracket 521, the powder spraying bracket 521 is transversely erected on the inner wall of the paint mist treatment tower body 1, and a first powder spraying channel 5211 is arranged in the powder spraying bracket 521. The powder spraying head 522 is rotatably connected to the powder spraying bracket 521, the rotating connection point of the powder spraying head 522 is located in the middle of the powder spraying bracket 521, the direction of the rotating axis line of the powder spraying head 522 is vertical, and the powder spraying head 522 is integrally located in the middle of the demisting channel 2. A second powder injection passage 5221 is provided in the powder injection head 522, and the second powder injection passage 5221 is communicated with the inside of the first powder injection passage 5211. The powder spray head 522 comprises at least two powder spray rods 523, each powder spray rod 523 is horizontally arranged, all the powder spray rods 523 are arranged in a circumferential array along the core line of the rotating shaft of the powder spray head 522, a third powder spray channel 5231 communicated with the second powder spray channel 5221 is arranged in each powder spray rod 523, powder spray ports 15 are arranged on the powder spray rods 523, the powder spray ports 15 are communicated with the third powder spray channel 5231, and the second powder spray channel 5221 is communicated with the inside of the third powder spray channel 5231.
Referring to fig. 1, a vibrating screen 9 is also installed in the demisting passage 2, the vibrating screen 9 is also positioned below the powder spraying member 52, and the air inlet passage 4 is positioned between the vibrating screen 9 and the powder spraying member 52. The vibrating screen 9 includes a screen 91 and a vibrating portion 92 for driving the screen 91 to vibrate, and the vibrating portion 92 may be a vibrating motor. The screen 91 is covered above the powder mist outlet 16. The screen 91 of the vibrating screen 9 is inclined, and the lower side of the screen 91 is inclined to the paint residue outlet 13. And a paint slag collecting barrel 14 is arranged at the paint slag outlet 13.
Referring to fig. 1, a mist powder collecting barrel 10 is provided at the mist powder outlet 16, and mist powder sieved in the screen 91 can fall into the mist powder collecting barrel 10 from the mist powder outlet 16.
Referring to fig. 1 and 2, the powder spraying device further includes a powder conveying pipe 12, one end of the powder conveying pipe 12 is connected to the bottom of the powder mist collecting barrel 10, the other end of the powder conveying pipe 12 is connected to the powder spraying member 52, and an inner pipe of the powder conveying pipe 12 is communicated with the first powder spraying channel 5211. The powder conveying pipeline 12 is provided with a powder conveying pump 11, and the powder conveying pump 11 can convey the atomized powder in the atomized powder collecting barrel 10 to the first powder spraying channel 5211 in the powder spraying part 52 through the powder conveying pipeline 12, and then the atomized powder sequentially enters the second powder spraying channel 5221 and finally is sprayed out from the powder spraying port 15.
In the concrete implementation process, open valve 8 in the air outlet channel 3 earlier, keep air outlet channel 3 inside unobstructed, start draught fan 6, the piece 52 that dusts spouts the defogging powder in defogging channel 2, draught fan 6 can be with this part defogging powder absorption to the lower bag face of filtering cloth bag 51 on, the lower bag face of filtering cloth bag 51 just can be attached to one deck defogging powder layer earlier for reduce the follow-up defogging powder that has the coating cloud and produce the condition that bonds with filtering cloth bag 51.
The coating waste gas containing paint mist is discharged into the demisting channel 2 from the air inlet channel 4 and is acted by the induced draft fan 6,
the coating waste gas containing paint mist flows towards the air outlet channel 3, the paint mist in the coating waste gas is adhered by the demisting powder sprayed by the powder spraying piece 52 and is also under the action of the induced draft fan 6, the demisting powder with the paint mist is adhered to the surface of the attached demisting powder layer on the lower bag surface of the filter cloth bag 51, and the coating waste gas from which the paint mist is removed is discharged from the air outlet channel 3 and is further processed.
Coating waste gas containing paint mist stops entering from the air inlet channel 4, the valve 8 is closed, the induced draft fan 6 is closed, the back-blowing fan 7 is started, wind power of the back-blowing fan 7 penetrates from the upper surface to the lower surface of the filter cloth bag 51, the demisting powder layer attached to the lower surface of the filter cloth bag 51 and the demisting powder with the paint mist can fall down, the demisting powder layer and the demisting powder with the paint mist fall down onto the screen 91 of the vibrating screen 9, the vibrating part 92 can drive the screen 91 to vibrate, the demisting powder with smaller particles can fall down through the screen 91 and pass through the powder outlet 16 to fall into the powder collecting barrel 10, the demisting powder can be re-pumped into the powder conveying pipeline 12 by the powder conveying pump 11 and sequentially enter the first powder spraying channel 5211 of the powder spraying bracket 521 and the second powder spraying channel 5221 of the powder spraying head 522, and the powder spraying part 52 is recycled. The defogging powder particles adhered with the paint mist remaining on the screen 91 move in the inclined direction of the screen 91 and fall from the paint residue outlet 13 into the paint residue collection tub 14.
Of course, the above is only a typical example of the present invention, and besides, the present invention can also have other various specific embodiments, and all technical solutions adopting equivalent replacement or equivalent transformation are all within the scope of the present invention as claimed.
Claims (10)
1. The utility model provides a coating waste gas coating cloud remove device, includes coating cloud processing tower body (1), be equipped with defogging passageway (2), characterized by in the coating cloud processing tower body (1): an air outlet channel (3) and an air inlet channel (4) are arranged on the paint mist treatment tower body (1), the air outlet channel (3) and the air inlet channel (4) are communicated with the interior of the demisting channel (2), and the air outlet channel (3) is positioned above the air inlet channel (4);
a demisting component (5) positioned between the air outlet channel (3) and the air inlet channel (4) is arranged in the demisting channel (2), and the demisting component (5) comprises a filter cloth bag (51) and a powder spraying part (52) which are sequentially arranged from top to bottom;
the powder spraying piece (52) can spray demisting powder into the demisting channel (2);
be provided with draught fan (6) in outlet channel (3), draught fan (6) are used for leading the waste gas in defogging passageway (2) to outlet channel (3).
2. The paint mist removing apparatus for coating exhaust gas according to claim 1, wherein: the powder spraying device is characterized by further comprising a back blowing fan (7), wherein the back blowing fan (7) is located on one side, deviating from the powder spraying part (52), of the filter cloth bag (51), and an air outlet of the back blowing fan (7) faces one side of the filter cloth bag (51).
3. The paint mist removing apparatus for coating exhaust gas according to claim 2, wherein: a valve (8) is arranged in the air outlet channel (3), and the valve (8) is used for opening and closing the air outlet channel (3).
4. The paint mist removing apparatus for coating exhaust gas according to claim 3, wherein: still including installing in defogging passageway (2) and being located the shale shaker (9) of the part (52) below of dusting, inlet channel (4) are located shale shaker (9) and the part (52) of dusting between, the lower part of tower body (1) is handled to the coating cloud is equipped with fog powder export (16), shale shaker (9) include screen cloth (91), be used for driving screen cloth (91) and carry out vibrating vibration portion (92), screen cloth (91) cover in fog powder export (16) top position.
5. The paint mist removing apparatus for coating exhaust gas according to claim 4, wherein: fog powder collecting barrel (10) is arranged at the fog powder outlet (16), and the fog powder screened out by the screen mesh (91) can fall into the fog powder collecting barrel (10) from the fog powder outlet (16).
6. The paint mist removing apparatus for coating exhaust gas according to claim 5, wherein: still include powder delivery pump (11), powder pipeline (12) one end is connected in fog powder collecting vessel (10), the powder pipeline other end is connected in the piece (52) of dusting, install on powder pipeline (12) powder delivery pump (11), powder delivery pump (11) are used for carrying the fog powder in fog powder collecting vessel (10) to the piece (52) of dusting.
7. The paint mist removing apparatus for coating exhaust gas according to claim 6, wherein: the powder spraying part (52) comprises a powder spraying support (521) connected to the inner wall of the paint mist treatment tower body (1) and a powder spraying head (522) with a plurality of powder spraying ports (15), a first powder spraying channel (5211) is arranged in the powder spraying support (521), a second powder spraying channel (5221) communicated with the powder spraying ports (15) is arranged in the powder spraying head (522), the powder spraying head (522) is rotatably connected to the powder spraying support (521), and the first powder spraying channel (5211) is communicated with the interior of the second powder spraying channel (5221).
8. The paint mist removing apparatus for coating exhaust gas according to claim 7, wherein: the direction of a rotating axis core line of the powder spraying head (522) is a vertical direction, the powder spraying head (522) comprises at least two powder spraying rods (523), all the powder spraying rods (523) are arranged in a circumferential array along the rotating axis core line of the powder spraying head (522), a third powder spraying channel (5231) communicated with the second powder spraying channel (5221) is arranged in each powder spraying rod (523), the powder spraying ports (15) are located on the powder spraying rods (523), and the powder spraying ports (15) are communicated with the inside of the third powder spraying channel (5231).
9. The coating exhaust paint mist removing device according to any one of claims 4 to 8, wherein: the lower part of tower body (1) is handled to the coating cloud still is equipped with lacquer sediment export (13), screen cloth (91) of shale shaker (9) are the slope setting, lower one side trend lacquer sediment export (13) of screen cloth (91).
10. The paint mist removing apparatus for coating exhaust gas according to claim 9, wherein: and a paint slag collecting barrel (14) is arranged at the paint slag outlet (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921728966.1U CN210934312U (en) | 2019-10-15 | 2019-10-15 | Coating waste gas paint mist removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921728966.1U CN210934312U (en) | 2019-10-15 | 2019-10-15 | Coating waste gas paint mist removing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210934312U true CN210934312U (en) | 2020-07-07 |
Family
ID=71397001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921728966.1U Active CN210934312U (en) | 2019-10-15 | 2019-10-15 | Coating waste gas paint mist removing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210934312U (en) |
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2019
- 2019-10-15 CN CN201921728966.1U patent/CN210934312U/en active Active
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