CN112844037A - Organic waste gas treatment device of paint spraying line - Google Patents
Organic waste gas treatment device of paint spraying line Download PDFInfo
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- CN112844037A CN112844037A CN202011565852.7A CN202011565852A CN112844037A CN 112844037 A CN112844037 A CN 112844037A CN 202011565852 A CN202011565852 A CN 202011565852A CN 112844037 A CN112844037 A CN 112844037A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20707—Titanium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/80—Type of catalytic reaction
- B01D2255/802—Photocatalytic
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Abstract
The invention discloses an organic waste gas treatment device for a paint spraying line, which comprises a paint spraying box body, a flow guide mechanism, a supporting platform, a circular supporting through pipe, a catalytic decomposition mechanism and a flow guide cover, wherein the circular supporting through pipe is connected with the flow guide mechanism; the bottom of the paint spraying box body is provided with a supporting leg, and a flow guide mechanism is arranged inside the paint spraying box body; a supporting platform is arranged at the top of the paint spraying box body; a pair of circular support through pipes are arranged at the upper part of the support platform, and a flow guide cover is arranged between the flow guide mechanism and the circular support through pipes; the upper part of the circular support through pipe is provided with a catalytic decomposition mechanism which is connected with a centrifugal fan through a pipeline. The invention effectively separates the organic waste gas and paint mist volatilized by the paint spraying line, the waste gas is treated in sections and decomposed in a catalytic manner, the flow of the treated waste gas is large, and the effect is good.
Description
Technical Field
The invention belongs to the technical field of waste gas treatment, and particularly relates to an organic waste gas treatment device for a paint spraying line.
Background
At present, aluminum plates are excellent in ductility, and are often rolled into plate-like structures with a very thin thickness in industrial production, such as wire-drawing aluminum rolls, color-drawing aluminum rolls, and the like. In the production process of the color-blending aluminum coil, the aluminum coil needs to be dyed by paint spraying equipment, and the existing aluminum coil spraying process has the following great technical problems: 1) for example, after the existing spraying device sprays paint on the aluminum coil, the drying speed is slow, and in the spraying process, the paint mist is also discharged along with the mixing of the air flow and the volatile organic waste gas under the action of the induced draft fan, so that the organic waste gas treatment process is complex and the purification treatment of the organic waste gas is difficult; 2) in time, drying equipment is added in the prior art to accelerate drying of the paint, but the heated heat enables organic waste gas in the paint to volatilize more quickly, the flow of the organic waste gas is large, and the treatment time is long.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the organic waste gas treatment device for the paint spraying line, which can effectively separate the volatile organic waste gas and paint mist of the paint spraying line, treat the waste gas in a segmented manner, decompose the waste gas in a catalytic manner, and has large waste gas treatment flow and good effect.
In order to achieve the purpose, the invention adopts the technical scheme that:
a paint spraying line organic waste gas treatment device comprises a paint spraying box body, a flow guide mechanism, a supporting platform, a circular supporting through pipe, a catalytic decomposition mechanism and a flow guide cover; the bottom of the paint spraying box body is provided with a supporting leg, and a flow guide mechanism is arranged inside the paint spraying box body; a supporting platform is arranged at the top of the paint spraying box body; a pair of circular support through pipes are arranged at the upper part of the support platform, and a flow guide cover is arranged between the flow guide mechanism and the circular support through pipes; the upper part of the circular support through pipe is provided with a catalytic decomposition mechanism which is connected with a centrifugal fan through a pipeline; in the aluminium book spraying production process, the aluminium book is opened a book, the flat band passes the box that sprays paint, carry out the spraying in the box that sprays paint, the coating cloud after the spraying and volatile organic waste gas pass through water conservancy diversion mechanism and get into the kuppe, at first realize the separation of coating cloud and organic waste gas, the coating cloud turns into paint and retrieves, organic waste gas passes through the kuppe and gets into circular support siphunculus, get into catalytic decomposition mechanism through circular support siphunculus and carry out catalytic decomposition purification waste gas, purify organic waste gas after, discharge to external world through centrifugal fan drainage.
The flow guide mechanism comprises a supporting frame, a rotating shaft, a connecting sleeve, a flow guide plate, a pull rod, a connecting plate, an air cylinder I and a storage tank; the supporting frame is arranged on the outer side wall of the paint spraying box body, the bottom of the supporting frame in the paint spraying box body is provided with a storage tank, and one side of the storage tank is provided with an access hole on the paint spraying box body; the support frame is provided with a plurality of rotating shafts, the rotating shafts are arranged on the support frame at equal intervals, the rotating shafts are movably connected relative to the support frame, the rotating shafts are provided with guide plates, the guide plates and the guide plates are arranged in a staggered manner to form a louver arrangement, rubber press plates are arranged at two ends of the guide plates, one end of each rotating shaft is provided with a connecting sleeve, the other end of each connecting sleeve is fixedly connected with a pull rod through a pin shaft, one side of each pull rod is provided with a connecting plate, the connecting plate is connected with the head of an air cylinder I through a pin shaft, the tail of the air cylinder I is fixedly connected onto a paint spraying box body, the air cylinder I stretches to drive the pull rod to move relative to the support frame, the rotating shafts rotate relative to the support frame, the included angle between the guide plates and the, the paint flows downwards through self weight, and the paint mist flows downwards to be recycled and enters the storage tank through the upper surface of the guide plate.
The air guide sleeve comprises a conical surface body, an exhaust hole, a base, an outflow channel and an adjusting screw; the lower part of the conical surface body is provided with a base, and the diameter of the base is larger than the inner diameter of the circular support through pipe; an outflow channel is arranged on the base and is opposite to the guide plate in the corresponding guide mechanism; the top of the conical surface body is provided with a plurality of exhaust holes, the exhaust holes are arranged at equal angles relative to the central line of the conical surface body, the base is provided with adjusting screws, the guide cover is fixedly connected on the circular support through the adjusting screws, the height of the guide cover extending into the circular support through pipe is further adjusted through rotating the adjusting screws, the air flow strength of the organic waste gas passing through the guide cover is further adjusted, the organic waste gas passes through the inner side wall of the conical surface body and finally enters the catalytic decomposition mechanism through the exhaust holes, and the overflowing paint mist enters the guide mechanism through the outer side wall of the conical surface body.
The catalytic decomposition mechanism comprises an outer barrel, a top cover, an inner barrel, an air flow channel, a baffle, a motor support, a transmission shaft, a helical blade, a spreader cone, an inner barrel arc photolysis lamp group, a lamp holder, a partition plate, a vertical photolysis lamp group, an outer barrel arc photolysis lamp group, an air outlet and a backflow air inlet, wherein the inner barrel is arranged at the center of the outer barrel; the inner barrel is a conical body, the upper part of the inner barrel is small, the lower part of the inner barrel is large, a plurality of airflow channels are arranged on the side wall of the inner barrel, a separation blade is arranged on the outer side wall of the inner barrel at the top of each airflow channel, an inner barrel arc photolysis lamp group is arranged on one side of the separation blade, the inner barrel arc photolysis lamp group is arranged on a partition plate through a lamp holder, a plurality of vertical photolysis lamp groups are arranged on one side of the inner side wall of an outer barrel, an outer barrel arc photolysis lamp group is arranged on one side of each vertical photolysis lamp group, photocatalyst coatings are arranged on the separation; the top of the inner cylinder body is provided with a motor support, the motor support is provided with a motor, the shaft end of the motor is provided with a transmission shaft, the transmission shaft is provided with a helical blade, the bottom of the transmission shaft is provided with a spreader cone, and the spreader cone breaks up and spreads the organic waste gas entering the inner cylinder body;
the motor provides power for the transmission shaft drives the helical blade stirring, makes the interior negative pressure air current that forms the vortex of barrel, and organic waste gas carries out catalytic decomposition in getting into the photocatalytic decomposition cavity through airflow channel, specifically is: the inner cylinder and the outer cylinder are arranged into independent photocatalytic decomposition cavities by the partition board, the photocatalyst coating in the photocatalytic decomposition cavities is a TiO2 coating or a TiO2 doped body coating, and under the action of the photocatalyst coating (TiO2), small molecules smashed by organic waste gas by ozone are oxidized into inorganic substances such as CO2, H2O and the like.
Further, the photolysis lamp bank in the inner cylinder arc photolysis lamp bank, the vertical photolysis lamp bank and the outer cylinder arc photolysis lamp bank mainly comprises a UV photolysis lamp, a ballast and a safety rubber ring, the UV photolysis lamp and the ballast are electrically connected to the controller, the UV photolysis lamp is installed inside the lamp holder through the safety rubber ring, the UV photolysis lamp is a high-ozone ultraviolet lamp tube, and an ultraviolet-C waveband (200nm-275nm) light source is adopted to crack, break, oxidize and decompose chemical molecular chains of VOCs in waste gas; the ballast and the controller can adapt to complex waste gas treatment environment, and the service life of the equipment is ensured.
Preferably, one side of the catalytic decomposition mechanism is provided with a detection mechanism, the detection mechanism is arranged on the supporting platform, and the detection mechanism comprises a detection box body, a detection air inlet, a purified gas outlet, a cavity to be detected, a detection cavity, a detector, a purified gas cavity, a backflow air outlet, an induced draft fan, a baffle I, a detection channel port, a baffle II, a purified gas inlet, an air cylinder II, a supporting plate, a supporting rod and a plug; the side wall of the detection box body is provided with a plurality of detection air inlets, and air outlets in the catalytic decomposition mechanism are connected with the detection air inlets through pipelines; the detection device comprises a detection box body, a detection air inlet, a detection air outlet, a detection air inlet, a baffle I and a baffle II, wherein the detection box body is sequentially divided into a cavity to be detected, a detection cavity and a purification air cavity by the baffle I and the baffle II; a detection channel opening is formed in the baffle I, and a detector is arranged at the top of the detection cavity; a backflow air outlet is formed in one side of the detector, a high-pressure electromagnetic valve is arranged on the backflow air outlet, an induced draft fan is arranged on one side of the backflow air outlet, the backflow air outlet is connected with the induced draft fan through a pipeline, the induced draft fan is connected with a backflow air inlet in the catalytic decomposition mechanism through a pipeline, the detector detects that gas in the detection cavity does not reach the standard, the induced draft fan is started, and the gas which does not reach the standard is introduced into the catalytic decomposition mechanism for further catalytic decomposition;
be equipped with on baffle II and purify the gas import, be equipped with cylinder II in the purification gas cavity, II heads of cylinder are equipped with the backup pad, be equipped with the bracing piece in the backup pad, the bracing piece passes the purification gas import, the bracing piece head is equipped with the end cap, purification gas cavity lateral wall is equipped with the purification gas export, II provide power and purify the gas import through shrink control end cap switching, detector testing gas does not reach standard, the purification gas import is closed, when reaching standard, the purification gas import is opened, gaseous inflow purification gas cavity, through purifying gas export discharge.
Compared with the prior art, the invention has the beneficial effects that:
1) an air cylinder I in the drainage mechanism stretches and retracts to drive a pull rod to move relative to a supporting frame, a rotating shaft rotates relative to the supporting frame, an included angle between a guide plate and the supporting frame is adjusted, a gap between the guide plate and the guide plate is further adjusted, sprayed paint mist rises through drainage, after the lower surface of the guide plate is precooled, the paint mist adheres to the wall of the guide plate, the paint on the guide plate is gradually increased, the paint flows downwards through self weight, and the downward flow of the paint mist is recycled and enters a storage tank through the upper surface of the guide plate;
2) the cylinder I is ejected out to drive the guide plate and the guide plate to be attached in a staggered mode, the guide plate and the guide plate are attached in a seamless mode due to deformation of rubber pressing plates at two ends of the guide plate, and further, when the paint is recovered and treated through the access hole, the production line does not need to be stopped, waste gas cannot overflow, production efficiency is improved, and the waste gas is timely and effectively treated;
3) the motor provides power for the transmission shaft drives the helical blade stirring, makes the interior negative pressure air current that forms the vortex of barrel, and organic waste gas carries out catalytic decomposition in getting into the photocatalytic decomposition cavity through airflow channel, specifically is: the inner cylinder and the outer cylinder are arranged into independent photocatalytic decomposition cavities by the partition board, the photocatalyst coating in the photocatalytic decomposition cavities is a TiO2 coating or a TiO2 doped body coating, and under the action of the photocatalyst coating (TiO2), small molecules smashed by organic waste gas by ozone are oxidized into inorganic substances such as CO2, H2O and the like;
4) a backflow air outlet is formed in one side of the detector, an induced draft fan is arranged on one side of the backflow air outlet, the backflow air outlet is connected with the induced draft fan through a pipeline, the induced draft fan is connected with a backflow air inlet in the catalytic decomposition mechanism through a pipeline, the detector detects that gas in the detection cavity does not reach the standard, the induced draft fan is started, and the gas which does not reach the standard is drained to enter the catalytic decomposition mechanism for further catalytic decomposition; cylinder II provides power and passes through shrink control end cap switching gas purification import, and detector detecting gas does not reach standard, and the gas purification import is closed, and when reaching standard, the gas purification import is opened, and gas flow in gas purification cavity discharges through the gas purification export.
Drawings
FIG. 1 is a schematic structural view of an organic waste gas treatment device of a paint spraying line according to the present invention;
FIG. 2 is a top view of an organic waste gas treatment apparatus of a painting line according to the present invention;
FIG. 3 is a sectional view of an organic waste gas treatment apparatus of a painting line according to the present invention;
FIG. 4 is a schematic view of the internal structure of an organic waste gas treatment device of a painting line according to the present invention;
FIG. 5 is a schematic structural diagram of an inner cylinder in the organic waste gas treatment device of a paint spraying line of the present invention;
FIG. 6 is a schematic view of a structure of a dome in an organic waste gas treatment device of a painting line according to the present invention;
FIG. 7 is a sectional view of a detecting mechanism in an organic waste gas treating apparatus of a painting line according to the present invention;
in the figure: 10. rolling aluminum; 11. a paint spraying box body; 12. a flow guide mechanism; 13. a support platform; 14. a circular support through pipe; 15. a catalytic decomposition mechanism; 16. a detection mechanism; 17. a pod; 171. a conical surface body; 172. an exhaust hole; 173. a base; 174. an outflow channel; 175. an adjusting screw; 101. supporting legs; 102. an access hole; 201. a support frame; 202. a rotating shaft; 203. connecting sleeves; 204. a baffle; 2041. a rubber press plate; 205. a pull rod; 206. a connecting plate; 207. a cylinder I; 208. a storage tank; 301. an outer cylinder; 302. a top cover; 303. an inner cylinder; 3031. an air flow channel; 304. a baffle plate; 305. a motor; 306. a motor support; 307. a drive shaft; 308. a helical blade; 309. a spreader cone; 310. the inner cylinder body is provided with an arc photolysis lamp group; 311. a lamp socket; 312. a partition plate; 313. a vertical photolysis lamp bank; 314. the outer cylinder body is provided with an arc photolysis lamp group; 315. an air outlet; 316. a return air inlet; 401. detecting the box body; 402. detecting the air inlet; 403. a purified gas outlet; 404. a cavity to be detected; 405. a detection cavity; 406. a detector; 407. a purified gas cavity; 408. a backflow vent hole; 409. an induced draft fan; 410. a baffle plate I; 4101. a detection channel port; 411. a baffle II; 4111. a purified gas inlet; 412. a cylinder II; 4121. a support plate; 4122. a support bar; 4123. and (7) a plug.
Detailed Description
For the convenience of understanding of those skilled in the art, the technical solution of the present invention will be further described in detail with reference to fig. 1 to 7.
A paint spraying line organic waste gas treatment device comprises a paint spraying box body 11, a flow guide mechanism 12, a supporting platform 13, a circular supporting through pipe 14, a catalytic decomposition mechanism 15 and a flow guide cover 17; the bottom of the paint spraying box body 11 is provided with a supporting leg 101, and a flow guide mechanism 12 is arranged inside the paint spraying box body 11; a supporting platform 13 is arranged at the top of the paint spraying box body 11; a pair of circular support through pipes 14 are arranged at the upper part of the support platform 13, and a flow guide cover 17 is arranged between the flow guide mechanism 12 and the circular support through pipes 14; the upper part of the circular support through pipe 14 is provided with a catalytic decomposition mechanism 15, and the catalytic decomposition mechanism 15 is connected with a centrifugal fan through a pipeline.
The flow guide mechanism 12 comprises a supporting frame 201, a rotating shaft 202, a connecting sleeve 203, a flow guide plate 204, a pull rod 205, a connecting plate 206, an air cylinder I207 and a storage tank 208; the supporting frame 201 is arranged on the outer side wall of the paint spraying box body 11, a storage groove 208 is arranged at the bottom of the supporting frame 201 in the paint spraying box body 11, and an access hole 102 is formed in the paint spraying box body 11 on one side of the storage groove 208; the supporting frame 201 is provided with a plurality of rotating shafts 202, the rotating shafts 202 and the rotating shafts 202 are arranged on the supporting frame 201 at equal intervals, the rotating shafts 202 are movably connected with the supporting frame 201, the rotating shafts 202 are provided with guide plates 204, the guide plates 204 and the guide plates 204 are arranged in a staggered manner to form a louver arrangement, two ends of the guide plates 204 are provided with rubber pressing plates 2041, one end of each rotating shaft 202 is provided with a connecting sleeve 203, the rotating shafts 202 are fixedly connected with the connecting sleeves 203, the other ends of the connecting sleeves 203 are connected with pull rods 205 through pin shafts, one side of each pull rod 205 is provided with a connecting plate 206, the connecting plate 206 is connected with the head of an air cylinder I207 through pin shafts, the tail of the air cylinder I207 is fixedly connected to the paint spraying box body 11, the air cylinder I207 stretches and drives the pull rods 205 to move relative to the supporting frame, after the precooling of the lower surface of the guide plate 204, the paint mist adheres to the wall of the guide plate 204, the paint on the guide plate 204 is gradually increased, the paint flows downwards through the dead weight, and the downward flow of the paint mist is recycled through the upper surface of the guide plate 204 and enters the storage tank 208 for recycling.
The air guide sleeve 17 comprises a conical body 171, an exhaust hole 172, a base 173, an outflow channel 174 and an adjusting screw 175; the lower part of the conical surface body 171 is provided with a base 173, and the diameter of the base 173 is larger than the inner diameter of the circular support through pipe 14; an outflow channel 174 is formed on the base 173, and the outflow channel 174 is opposite to the guide plate 204 in the corresponding guide mechanism 12; the top of the conical body 171 is provided with a plurality of exhaust holes 172, the exhaust holes 172 are arranged at equal angles relative to the central line of the conical body 171, the base 173 is provided with an adjusting screw 175, the air guide sleeve 17 is fixedly connected on the circular support through pipe 14 through the adjusting screw 175, the height of the air guide sleeve 17 extending into the circular support through pipe 14 is further adjusted by rotating the adjusting screw 175, the airflow strength of the organic waste gas passing through the air guide sleeve 17 is further adjusted, the organic waste gas finally enters the catalytic decomposition mechanism 15 through the exhaust holes 172 through the inner side wall of the conical body 171, and the overflowing paint mist enters the air guide mechanism 12 through the outer side wall of the conical body 171 and the.
The catalytic decomposition mechanism 15 comprises an outer cylinder 301, a top cover 302, an inner cylinder 303, an air flow channel 3031, a baffle 304, a motor 305, a motor support 306, a transmission shaft 307, a helical blade 308, a splitter cone 309, an inner cylinder arc photolysis lamp group 310, a lamp holder 311, a baffle 312, a vertical photolysis lamp group 313, an outer cylinder arc photolysis lamp group 314, an air outlet 315 and a backflow air inlet 316, the center of the outer cylinder 301 is provided with an inner cylinder 303, a plurality of partition plates 312 are arranged between the inner cylinder 303 and the outer cylinder 301 at equal angles, one end of each partition plate 312 extends into the inner cylinder 303, the inner cylinder 303 and the outer cylinder 301 are arranged into independent photocatalytic decomposition cavities by the partition plates 312, a top cover 302 is arranged at the upper part of each photocatalytic decomposition cavity, an air outlet hole 315 is formed in the top cover 302, a high-pressure electromagnetic valve is arranged on the air outlet hole 315, a backflow air inlet hole 316 is formed in the bottom of each photocatalytic decomposition cavity, and a high-pressure electromagnetic valve is arranged on; the inner cylinder 303 is a conical body, the inner cylinder 303 is small in upper part and large in lower part, the side wall of the inner cylinder 303 is provided with a plurality of air flow channels 3031, the outer side wall of the inner cylinder 303 at the top of the air flow channels 3031 is provided with a baffle 304, one side of the baffle 304 is provided with an inner cylinder arc-shaped photolysis lamp group 310, the inner cylinder arc-shaped photolysis lamp group 310 is arranged on a partition 312 through a lamp holder 311, one side of the inner side wall of the outer cylinder 301 is provided with a plurality of vertical photolysis lamp groups 313, one side of the vertical photolysis lamp group 313 is provided with an outer cylinder arc-shaped photolysis lamp group 314, the baffle 304, the partition 312 and the inner side; the top of the inner cylinder 303 is provided with a motor support 306, the motor support 306 is provided with a motor 305, the shaft end of the motor 305 is provided with a transmission shaft 307, the transmission shaft 307 is provided with a helical blade 308, the bottom of the transmission shaft 307 is provided with a splitter cone 309, and the splitter cone 309 breaks up and splits the organic waste gas entering the inner cylinder 303;
the motor 305 provides power, so that the transmission shaft 307 drives the helical blades 308 to stir, a vortex negative pressure airflow is formed in the inner cylinder 303, and the organic waste gas enters the photocatalytic decomposition cavity through the airflow channel 3031 to be catalytically decomposed, specifically: the inner cylinder 303 and the outer cylinder 301 are set to be independent photocatalytic decomposition cavities by the partition 312, the photocatalyst coating in the photocatalytic decomposition cavity is a TiO2 coating or a TiO2 doped body coating, and under the action of the photocatalyst coating (TiO2), small molecules broken by ozone of organic waste gas are oxidized into inorganic substances such as CO2 and H2O.
Further, the photolysis lamp bank in the inner cylinder arc photolysis lamp bank 310, the vertical photolysis lamp bank 313 and the outer cylinder arc photolysis lamp bank 314 mainly comprises a UV photolysis lamp, a ballast and a safety rubber ring, wherein the UV photolysis lamp and the ballast are electrically connected to a controller, the UV photolysis lamp is arranged inside a lamp holder through the safety rubber ring, the UV photolysis lamp is a high-ozone ultraviolet lamp tube, and an ultraviolet-C waveband (200nm-275nm) light source is adopted to crack, break, oxidize and decompose chemical molecular chains of VOCs in waste gas; the ballast and the controller can adapt to complex waste gas treatment environment, and the service life of the equipment is ensured.
Further, a detection mechanism 16 is arranged on one side of the catalytic decomposition mechanism 15, the detection mechanism 16 is arranged on the supporting platform 13, and the detection mechanism 16 comprises a detection box body 401, a detection air inlet 402, a purified gas outlet 403, a cavity 404 to be detected, a detection cavity 405, a detector 406, a purified gas cavity 407, a backflow air outlet 408, an induced draft fan 409, a baffle I410, a detection channel port 4101, a baffle II 411, a purified gas inlet 4111, a cylinder II 412, a supporting plate 4121, a supporting rod 4122 and a plug 4123; the side wall of the detection box body 401 is provided with a plurality of detection air inlets 402, and an air outlet 315 in the catalytic decomposition mechanism 15 is connected with the detection air inlets 402 through a pipeline; a high-pressure electromagnetic valve is arranged on the detection air inlet 402; a baffle I410 and a baffle II 411 are arranged in the detection box body 401, the baffle I410 and the baffle II 411 divide the detection box body 401 into a cavity 404 to be detected, a detection cavity 405 and a purified gas cavity 407 in sequence, and the cavity 404 to be detected, the detection cavity 405 and the purified gas cavity 407 are respectively provided with a plurality of independent sub-cavities; a detection channel port 4101 is formed in the baffle I410, and a detector 406 is arranged at the top of the detection cavity 405; the type of the detector is as follows; SKY8000-VOC, either purchased or custom-made;
a backflow air outlet 408 is formed in one side of the detector 406, a high-pressure electromagnetic valve is arranged on the backflow air outlet 408, an induced draft fan 409 is arranged on one side of the backflow air outlet 408, the backflow air outlet 408 is connected with the induced draft fan 409 through a pipeline, the induced draft fan 409 is connected with a backflow air inlet 316 in the catalytic decomposition mechanism 15 through a pipeline, the detector 406 detects that the gas in the detection cavity 405 does not reach the standard, the induced draft fan 409 is opened, and the gas which does not reach the standard is guided to enter the catalytic decomposition mechanism 15 for further catalytic decomposition;
the baffle II 411 is provided with a purified gas inlet 4111, a cylinder II 412 is arranged in the purified gas cavity 407, the head of the cylinder II 412 is provided with a supporting plate 4121, the supporting plate 4121 is provided with a supporting rod 4122, the supporting rod 4122 penetrates through the purified gas inlet 4111, the head of the supporting rod 4122 is provided with a plug 4123, the side wall of the purified gas cavity 407 is provided with a purified gas outlet 403, the cylinder II 412 provides power, the plug 4123 is controlled to open and close the purified gas inlet 4111 through contraction, when the detector 406 detects that the gas does not reach the standard, the purified gas inlet 4111 is closed, when the standard is reached, the purified gas inlet 4111 is opened, the gas flows into the purified gas.
The model of the high-pressure electromagnetic valve adopted in the specific implementation process is ZC51-DHB (D-channel), and the drift diameter range is as follows: DN0.5mm to DN500 mm; pressure range: 0.1-300 Mpa; temperature range: -100 ℃ to +250 ℃; the connection mode is as follows: threads, flanges or welding.
The photolysis lamp group mainly comprises a UV photolysis lamp, a ballast and a safety rubber ring, wherein the UV photolysis lamp and the ballast are electrically connected with a controller, and electrical components are connected in a conventional electrical connection mode, which is not within the protection scope of the invention.
The utility model provides a line organic waste gas processing apparatus sprays paint, in the spraying production process is rolled up to the aluminium, 10 uncoiling rolls up are rolled up to the aluminium, the flat belt passes the box that sprays paint, carry out the spraying in the box that sprays paint, the coating cloud after the spraying passes through water conservancy diversion mechanism with volatile organic waste gas and gets into the kuppe, at first, realize coating cloud and organic waste gas separation, the coating cloud turns into paint and retrieves, organic waste gas passes through the kuppe and gets into circular support siphunculus, get into catalytic decomposition mechanism through circular support siphunculus and carry out catalytic decomposition purification waste gas, purify behind the organic waste gas, discharge to the.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the present invention as defined in the accompanying claims.
Claims (6)
1. A paint spraying line organic waste gas treatment device comprises a paint spraying box body, a flow guide mechanism, a supporting platform, a circular supporting through pipe, a catalytic decomposition mechanism and a flow guide cover; the paint spraying box is characterized in that supporting legs are arranged at the bottom of the paint spraying box body, and a flow guide mechanism is arranged inside the paint spraying box body; a supporting platform is arranged at the top of the paint spraying box body; a pair of circular support through pipes are arranged at the upper part of the support platform, and a flow guide cover is arranged between the flow guide mechanism and the circular support through pipes; the upper part of the circular support through pipe is provided with a catalytic decomposition mechanism which is connected with a centrifugal fan through a pipeline.
2. The organic waste gas treatment device for the paint spraying line according to claim 1, wherein the flow guide mechanism comprises a support frame, a rotating shaft, a connecting sleeve, a flow guide plate, a pull rod, a connecting plate, a cylinder I and a storage tank; the supporting frame is arranged on the outer side wall of the paint spraying box body, the bottom of the supporting frame in the paint spraying box body is provided with a storage tank, and one side of the storage tank is provided with an access hole on the paint spraying box body; be equipped with a plurality of pivots on the carriage, the equidistance sets up on the carriage between pivot and the pivot, the pivot is for carriage swing joint, be equipped with the guide plate in the pivot, the guide plate forms the tripe with the guide plate dislocation set and arranges, the guide plate both ends are equipped with the rubber clamp plate, pivot one end is equipped with the adapter sleeve, pivot and adapter sleeve fixed connection, the adapter sleeve other end is through the round pin hub connection pull rod, pull rod one side is equipped with the connecting plate, the connecting plate is through I head of round pin hub connection cylinder, I afterbody fixed connection.
3. The organic waste gas treatment device for the paint spraying line according to claim 1, wherein the air guide sleeve comprises a conical body, an exhaust hole, a base, an outflow channel and an adjusting screw; the lower part of the conical surface body is provided with a base, and the diameter of the base is larger than the inner diameter of the circular support through pipe; an outflow channel is arranged on the base and is opposite to the guide plate in the corresponding guide mechanism; the top of the conical surface body is provided with a plurality of exhaust holes which are arranged at equal angles relative to the central line of the conical surface body, the base is provided with an adjusting screw, and the flow guide cover is fixedly connected on the circular support through pipe through the adjusting screw.
4. The organic waste gas treatment device of claim 1, wherein the catalytic decomposition mechanism comprises an outer cylinder, a top cover, an inner cylinder, an air flow channel, a baffle, a motor support, a transmission shaft, a helical blade, a spreader cone, an inner cylinder arc photolysis lamp set, a lamp holder, a baffle, a vertical photolysis lamp set, an outer cylinder arc photolysis lamp set, an air outlet, and a backflow air inlet, the center of the outer barrel is provided with an inner barrel, a plurality of partition plates are arranged between the inner barrel and the outer barrel at equal angles, one ends of the partition plates extend into the inner barrel, the inner barrel and the outer barrel are arranged into independent photocatalytic decomposition cavities by the partition plates, a top cover is arranged on the upper part of the photocatalytic decomposition cavity, a gas outlet hole is formed in the top cover, a high-pressure solenoid valve is arranged on the gas outlet hole, a backflow gas inlet hole is formed in the bottom of the photocatalytic decomposition cavity, and a high-pressure solenoid valve is arranged; the inner barrel is a conical body, the upper part of the inner barrel is small, the lower part of the inner barrel is large, a plurality of airflow channels are arranged on the side wall of the inner barrel, a separation blade is arranged on the outer side wall of the inner barrel at the top of each airflow channel, an inner barrel arc photolysis lamp group is arranged on one side of the separation blade, the inner barrel arc photolysis lamp group is arranged on a partition plate through a lamp holder, a plurality of vertical photolysis lamp groups are arranged on one side of the inner side wall of an outer barrel, an outer barrel arc photolysis lamp group is arranged on one side of each vertical photolysis lamp group, photocatalyst coatings are arranged on the separation; the top of the inner cylinder body is provided with a motor support, a motor is arranged on the motor support, a transmission shaft is arranged at the shaft end of the motor, the transmission shaft is provided with a helical blade, and the bottom of the transmission shaft is provided with a spreader cone; the photocatalyst coating is a TiO2 coating or a doped body coating of TiO 2.
5. The organic waste gas treatment device of claim 1, wherein the photolysis lamp bank in the inner cylinder arc photolysis lamp bank, the vertical photolysis lamp bank and the outer cylinder arc photolysis lamp bank mainly comprises a UV photolysis lamp, a ballast and a safety rubber ring, the UV photolysis lamp and the ballast are electrically connected to the controller, the UV photolysis lamp is installed inside the lamp holder through the safety rubber ring, and the UV photolysis lamp is a high-ozone ultraviolet lamp tube.
6. The organic waste gas treatment device for the paint spraying line according to claim 1, wherein a detection mechanism is arranged on one side of the catalytic decomposition mechanism, the detection mechanism is arranged on the supporting platform, and the detection mechanism comprises a detection box body, a detection air inlet, a purified gas outlet, a cavity to be detected, a detection cavity, a detector, a purified gas cavity, a backflow air outlet, an induced draft fan, a baffle I, a detection channel port, a baffle II, a purified gas inlet, an air cylinder II, a supporting plate, a supporting rod and a plug; the side wall of the detection box body is provided with a plurality of detection air inlets, and air outlets in the catalytic decomposition mechanism are connected with the detection air inlets through pipelines; the detection device comprises a detection box body, a detection air inlet, a detection air outlet, a detection air inlet, a baffle I and a baffle II, wherein the detection box body is sequentially divided into a cavity to be detected, a detection cavity and a purification air cavity by the baffle I and the baffle II; a detection channel opening is formed in the baffle I, and a detector is arranged at the top of the detection cavity; a backflow air outlet is formed in one side of the detector, a high-pressure electromagnetic valve is arranged on the backflow air outlet, an induced draft fan is arranged on one side of the backflow air outlet, the backflow air outlet is connected with the induced draft fan through a pipeline, the induced draft fan is connected with a backflow air inlet in the catalytic decomposition mechanism through a pipeline, the detector detects that gas in the detection cavity does not reach the standard, the induced draft fan is started, and the gas which does not reach the standard is introduced into the catalytic decomposition mechanism for further catalytic decomposition;
be equipped with on baffle II and purify the gas import, be equipped with cylinder II in the purification gas cavity, II heads of cylinder are equipped with the backup pad, be equipped with the bracing piece in the backup pad, the bracing piece passes the purification gas import, the bracing piece head is equipped with the end cap, purification gas cavity lateral wall is equipped with the purification gas export, II provide power and purify the gas import through shrink control end cap switching, detector testing gas does not reach standard, the purification gas import is closed, when reaching standard, the purification gas import is opened, gaseous inflow purification gas cavity, through purifying gas export discharge.
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| CN112844037B (en) | 2023-01-03 |
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Effective date of registration: 20221215 Address after: 276800 Rizhao vocational and technical college, No. 16, Yantai North Road, Rizhao City, Shandong Province Applicant after: RIZHAO POLYTECHNIC Address before: 276800 No.16, Yantai North Road, Rizhao City, Shandong Province Applicant before: Li Hongxia |
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