CN113350967A - Treatment device and treatment method for automobile body spraying waste gas - Google Patents
Treatment device and treatment method for automobile body spraying waste gas Download PDFInfo
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- CN113350967A CN113350967A CN202110775618.5A CN202110775618A CN113350967A CN 113350967 A CN113350967 A CN 113350967A CN 202110775618 A CN202110775618 A CN 202110775618A CN 113350967 A CN113350967 A CN 113350967A
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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
- B01D53/02—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 by adsorption, e.g. preparative gas chromatography
- B01D53/04—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 by adsorption, e.g. preparative gas chromatography with stationary adsorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
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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
- B01D53/14—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 by absorption
- B01D53/1487—Removing organic compounds
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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
- B01D53/14—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 by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/46—Recuperation of heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/07—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases in which combustion takes place in the presence of catalytic material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0258—Other waste gases from painting equipments or paint drying installations
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- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a treatment device and a treatment method for automobile body spraying waste gas, wherein an air inlet pipeline is connected with the input end of a paint mist filter, the input ends of more than two activated carbon adsorption beds are connected in parallel with the output end of the paint mist filter through a first pipeline, the output ends of the activated carbon adsorption beds are connected with the input end of a deodorization box through the first pipeline, the output end of the deodorization box is connected with a chimney through a third pipeline, a system fan is fixedly arranged at the output end of the deodorization box, a catalytic combustion bed is connected in parallel with the two ends of the activated carbon adsorption beds through a second pipeline, and a desorption fan is fixedly arranged at the input end of the catalytic combustion bed. The waste gas that sprays paint passes through the admission line and gets into first filter chamber, fully contacts with the absorption liquid under first filter module's effect to get rid of the most coating cloud in the waste gas, get into and filter the waste gas once more by second filter module after the second filter chamber, not only reduced second filter module's filter pressure, the adsorbed coating cloud of absorption liquid can recycle through the extraction simultaneously.
Description
Technical Field
The invention relates to the technical field of waste gas treatment, in particular to a treatment device and a treatment method for automobile body spraying waste gas.
Background
With the continuous improvement of the national requirements on environmental protection, environmental protection and energy conservation become the development trend of automobile production. At present, automobile body production enterprises mainly use cold-rolled steel coils as raw materials to produce automobile bodies through machining, forming, welding and coating processes, and paint and diluent containing organic solvents such as toluene, xylene, esters and alcohols are used in the coating process, so that a large amount of waste gas containing volatile organic matters can be generated in the related production processes of paint spraying, leveling and drying.
The coating cloud filter is generally installed in present spraying workshop, utilizes the active carbon in the coating cloud filter to carry out adsorption treatment to the coating cloud organic matter, nevertheless because spraying technology waste gas has that the tolerance is big, the easy adhesion of coating cloud, organic waste gas concentration low grade characteristics, and the coating cloud filter is after long-time work, and the coating cloud can the adhesion in the filtration pore, makes the filtration pore block up, can not ventilate smoothly, leads to the unable long-time operation of equipment, and then leads to the fact use cost to rise.
Disclosure of Invention
In order to overcome the defects of the prior art, the technical problem to be solved by the invention is to provide a treatment device and a treatment method for automobile body spraying waste gas, the spraying waste gas enters a first filtering cavity through an air inlet pipeline and is fully contacted with adsorption liquid under the action of a first filtering module, so that most of paint mist in the waste gas is removed, the purified paint mist enters a second filtering cavity and is filtered again by a second filtering module, the filtering pressure of the second filtering module is reduced, meanwhile, the paint mist adsorbed by the adsorption liquid can be recycled through extraction, and the spraying processing cost is reduced.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a administer device for automobile body spraying waste gas which characterized in that: comprises an air inlet pipeline, a paint mist filter, an activated carbon adsorption bed, a deodorization box, a system fan, a desorption fan, a dilution fan, a complementary cooling fan, a catalytic combustion bed, a first pipeline, a second pipeline, a third pipeline, an electric valve and a chimney, wherein the air inlet pipeline is connected with the input end of the paint mist filter, the input ends of more than two activated carbon adsorption beds are connected in parallel with the output end of the paint mist filter through the first pipeline, the output end of the activated carbon adsorption bed is connected with the input end of the deodorization box through the first pipeline, the output end of the deodorization box is connected with the chimney through the third pipeline, the system fan is fixedly arranged at the output end of the deodorization box, the catalytic combustion bed is connected in parallel with the two ends of the activated carbon adsorption bed through the second pipeline, the fan is fixedly arranged at the input end of the catalytic combustion bed, the dilution fan and the complementary cooling fan are fixedly arranged on the second pipeline, and the dilution fan and the complementary cooling fan are respectively positioned at one side of the input end and one side of the output end of the catalytic combustion bed, electric valves are arranged in the first pipeline, the second pipeline and the third pipeline;
the paint mist filter comprises a shell, a spherical nozzle, a draught fan, a heater, a first filter module, a second filter module, a cleaning module and a drive control module, wherein a first filter cavity is formed in the shell, the heater is embedded in the side wall of the first filter cavity, the first filter module is fixedly arranged at the bottom of the first filter cavity, the spherical nozzle is arranged in the first filter cavity, the spherical nozzle is fixed at the air outlet end of an air inlet pipeline, the second filter cavity is formed above the first filter cavity, the first filter cavity is communicated with the second filter cavity through a first through hole, the draught fan is fixedly arranged in the first through hole, the second filter module is fixedly arranged in the second filter cavity, one side of the second filter cavity is provided with a drive cavity, the drive cavity is communicated with the second filter cavity through a second through hole, the drive control module is fixedly arranged in the drive cavity, the other side of the second filter cavity is provided with a third through hole, the first filter cavity is communicated with the second filter cavity through, the cleaning module is fixedly arranged in the third through hole, and a first transmission cavity is further formed below the first filter cavity.
In a preferred technical scheme of the invention, the first filtering module comprises filter screens, a first rotating shaft, a first bevel gear and an arc-shaped plate, the first rotating shaft is rotatably arranged on the bottom wall of the first filtering cavity, more than two filter screens are uniformly and circumferentially fixed on the first rotating shaft, the arc-shaped plate is fixedly arranged on the top of each filter screen, and the bottom end of the first rotating shaft extends into the first transmission cavity and is fixedly connected with the first bevel gear.
In a preferred technical scheme of the present invention, the second filtering module includes a primary filter, a middle filter, a sub-high efficiency filter and a wire mesh demister, the primary filter, the middle filter, the sub-high efficiency filter and the wire mesh demister are sequentially and fixedly disposed on a sidewall of the second filtering chamber, the primary filter is located at an input end of the second filtering chamber, and the wire mesh mist generator is located at an output end of the second filtering chamber.
In a preferred technical scheme of the invention, the cleaning module comprises a spray pipe, high-pressure spray nozzles, a pump body, a second rotating shaft and a second bevel gear, the spray pipe is transversely and fixedly arranged at the top of the second filter cavity and communicated with the third through hole, more than two high-pressure spray nozzles are uniformly and fixedly arranged at the bottom of the spray pipe, a pump cavity is arranged in the third through hole, the pump body is rotatably arranged on the side wall of the pump cavity, one end of the second rotating shaft is fixedly arranged on the pump body, and the other end of the second rotating shaft extends into the driving cavity and is fixedly connected with the second bevel gear.
In a preferred technical scheme of the invention, the driving control module comprises a push plate, a connecting rod, a first spring, a supporting block, a sliding block, a locking block, a second spring, a driving motor, a third rotating shaft, a fourth rotating shaft, a first rotating gear, a second rotating gear, a third bevel gear, a fourth bevel gear, a fifth bevel gear and a sixth bevel gear, the push plate is slidably arranged in the second through hole, one end of the connecting rod is fixed at the bottom of the push plate, the other end of the connecting rod extends into the driving cavity and is fixedly connected with the top of the sliding block, the supporting block is fixedly arranged on the inner wall of the second through hole, the first spring is connected between the push plate and the supporting block in a propping manner and sleeved on the connecting rod, the side wall of the driving cavity is provided with a sliding groove, the sliding block is slidably arranged in the sliding groove, the side surface of the sliding groove is provided with a positioning groove, and the locking block is fixedly connected with the inner wall of the positioning groove through the second spring, the locking groove with locking block complex is seted up to the slider side, and driving motor inlays in drive chamber roof, and the third bevel gear sets firmly in driving motor's power take off end, it is provided with the third pivot to rotate between first transmission chamber and the drive chamber, and the one end of third pivot has set firmly fourth bevel gear and third bevel gear meshing, and the other end of third pivot has set firmly fifth bevel gear, and first rotating gear passes through the fourth pivot and rotates and set up in the top of slider, has set firmly the second rotating gear with first rotating gear meshing on driving motor's the power output shaft, and sixth bevel gear sets firmly in the free end of fourth pivot in slider below and sixth bevel gear.
In a preferred technical scheme of the invention, the top of the shell is also provided with a pressing handle, and the bottom of the pressing handle extends into the driving cavity and is fixedly connected with the sliding block.
In a preferred technical scheme of the invention, a peculiar smell control box is fixedly arranged on one side of the deodorization box and is communicated with the deodorization box through a fourth pipeline.
The invention also provides a treatment method for the spraying waste gas of the automobile body, which comprises the following steps:
s1, collecting and converging the organic waste gas, and then, allowing the organic waste gas to enter a paint mist filter through an air inlet pipeline for pre-filtering;
s2, enabling the pre-filtered waste gas to enter a plurality of groups of active carbon adsorption beds connected in parallel, and adsorbing volatile organic compounds in the waste gas by using active carbon in a one-to-one or one-to-many mode;
s3, deodorizing, enabling the waste gas purified by the activated carbon to enter a deodorizing box, releasing deodorizing microparticles by utilizing a Vaportek deodorizing membrane in the peculiar smell control box to adsorb peculiar smell molecules, and combining the peculiar smell molecules with the peculiar smell molecules in the waste gas;
and S4, discharging, namely discharging the waste gas after reaching the standard under the action of a system fan into a chimney, and discharging the waste gas into the atmosphere by raising the waste gas from the chimney.
In a preferred technical scheme of the invention, after the activated carbon adsorption bed is saturated in adsorption, the electric valve on the first pipeline is closed, the electric valve on the second pipeline is opened, at the moment, the catalytic combustion bed works, the catalytic combustion bed heats the internal air to 95-115 ℃, the desorption fan controls the hot air to circularly flow between the catalytic combustion bed and the activated carbon adsorption bed, so that volatile organic compounds adsorbed on the activated carbon are heated and analyzed to be separated from the activated carbon, and are conveyed into the catalytic combustion bed along with the air flow to be catalytically decomposed into CO2 and H2O, and the purified gas is directly discharged to a chimney.
The invention has the beneficial effects that:
1. through setting up first filter module, the waste gas that sprays paint is by spherical nozzle get into first filter chamber after, smash into many less bubbles with great bubble under filter screen pivoted effect, make spraying waste gas can fully contact with adsorption liquid, the filter screen rotates the in-process stirring adsorption liquid simultaneously, the solution rate of coating cloud has been accelerated, make the spraying waste gas of loss second filter chamber cleaner, the adsorption pressure of second filter module has been reduced, and then the life of second adsorption module has been improved.
2. The paint can be obtained again by extracting the paint mist dissolved by the adsorbent, so that the secondary utilization of the paint is realized, and the spraying processing cost is reduced.
3. Through setting up clean module, when the second filter module blockked up, drive control module can control clean module work, will adsorb the liquid and adsorb the chamber top by the second and spray to second filter module top to the coating cloud granule that will adsorb on it dissolves, makes second filter module can resume normal, need not frequently to dismantle the clearance, has reduced the clearance cost.
Drawings
FIG. 1 is a structural diagram of an abatement device for automotive body spray exhaust in accordance with an embodiment of the present invention;
FIG. 2 is a schematic view of the construction of the paint mist filter;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a cross-sectional view taken in the direction B-B of FIG. 2;
fig. 5 is an enlarged schematic view at C in fig. 3.
In the figure:
1. an air intake duct; 2. a paint mist filter; 201. a housing; 2011. a first filter chamber; 2012. a second filter chamber; 2013. a first through hole; 2014. a drive chamber; 2015. a second through hole; 2016. a third through hole; 2017. a first transmission chamber; 2018. a pump chamber; 202. a spherical nozzle; 203. an induced draft fan; 204. a heater; 205. a first filtration module; 2051. filtering with a screen; 2052. a first rotating shaft; 2053. a first bevel gear; 2054. an arc-shaped plate; 206. a second filtration module; 2061. a primary filter; 2062. a medium-efficiency filter; 2063. a sub-high efficiency filter; 2064. a wire mesh mist outlet device; 207. a cleaning module; 2071. a shower pipe; 2072. a high pressure spray head; 2073. a pump body; 2074. a second rotating shaft; 2075. a second bevel gear; 208. a drive control module; 2081. pushing the plate; 2082. a connecting rod; 2083. a first spring; 2084. a support block; 2085. a slider; 2086. a chute; 2087. a locking block; 2088. a second spring; 2089. positioning a groove; 20810. a locking groove; 20811. a drive motor; 20812. a third rotating shaft; 20813. a fourth rotating shaft; 20814. a first rotating gear; 20815. a second rotating gear; 20816. a third bevel gear; 20817. a fourth bevel gear; 20818. a fifth bevel gear; 20819. a sixth bevel gear; 3. an activated carbon adsorption bed; 4. a deodorization box; 5. a system fan; 6. a desorption fan; 7. a dilution fan; 8. supplementing a cold air blower; 9. a catalytic combustion bed; 10. a first conduit; 11. a second conduit; 12. a third pipeline; 13. an electrically operated valve; 14. a chimney; 15. pressing the handle; 16. a peculiar smell control box; 17. a fourth conduit.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1-5, in the embodiment, there is provided a treatment device for spraying exhaust gas on an automobile body, comprising an air inlet pipe 1, a paint mist filter 2, an activated carbon adsorption bed 3, a deodorization box 4, a system fan 5, a desorption fan 6, a dilution fan 7, an air supply fan 8, a catalytic combustion bed 9, a first pipe 10, a second pipe 11, a third pipe 12, an electric valve 13 and a chimney 14, wherein the air inlet pipe 1 is connected with an input end of the paint mist filter 2, input ends of more than two activated carbon adsorption beds 3 are connected in parallel to an output end of the paint mist filter 2 through the first pipe 10, an output end of the activated carbon adsorption bed 3 is connected with an input end of the deodorization box 4 through the first pipe 10, an output end of the deodorization box 4 is connected with the chimney 14 through the third pipe 12, the system fan 5 is fixedly arranged at an output end of the deodorization box 4, the catalytic combustion bed 9 is connected in parallel to both ends of the activated carbon adsorption bed 3 through the second pipe 11, the desorption fan 6 is fixedly arranged at the input end of the catalytic combustion bed 9, the dilution fan 7 and the supplement cooling fan 8 are fixedly arranged on the second pipeline 11, the dilution fan 7 and the supplement cooling fan 8 are respectively positioned at one side of the input end and one side of the output end of the catalytic combustion bed 9, and the first pipeline 10, the second pipeline 11 and the third pipeline 12 are internally provided with electric valves 13;
the paint mist filter 2 comprises a shell 201, a spherical nozzle 202, an induced draft fan 203, a heater 204, a first filtering module 205, a second filtering module 206, a cleaning module 207 and a driving control module 208, wherein a first filtering cavity 2011 is formed in the shell 201, the heater 204 is embedded in the side wall of the first filtering cavity 2011, the first filtering module 205 is fixedly arranged at the bottom of the first filtering cavity 2011, the spherical nozzle 202 is arranged in the first filtering cavity 2011, the spherical nozzle 202 is fixed at the air outlet end of the air inlet pipeline 1, a second filtering cavity 2012 is formed above the first filtering cavity 2011, the first filtering cavity 2011 is communicated with the second filtering cavity 2012 through a first through hole 2013, the induced draft fan 203 is fixedly arranged in the first through hole 2013, the second filtering module 206 is fixedly arranged in the second filtering cavity 2012, a driving cavity 2014 is formed at one side of the second filtering cavity 2012, the driving cavity 2014 is communicated with the second filtering cavity 2014 through a second through hole 2014, the driving control module 208 is fixedly arranged in the driving cavity 2014, third through-hole 2016 has been seted up to the opposite side of second filter chamber 2012, and first filter chamber 2011 communicates through third through-hole 2016 and second filter chamber 2011, and clean module 207 sets firmly in third through-hole 2016, and first transmission chamber 2017 has still been seted up to first filter chamber 2011 below.
When the device works, volatile organic waste gas generated in the paint spraying process enters a first filter cavity 2011 in a paint mist filter 2 through an air inlet pipeline 1, adsorption liquid is filled in the first filter cavity 2011, the paint spraying waste gas is divided into a plurality of bubbles under the action of a spherical nozzle 202, and at the moment, a first filter module 205 is started to enable the adsorption liquid to be fully contacted with the waste gas in the bubbles, so that most paint mist in the waste gas is dissolved in the adsorption liquid; spraying waste gas after preliminary filtration gets into in the second filter chamber 2012 under the effect of draught fan 203 to remaining coating cloud and moisture in the spraying waste gas are detached by second filter module 206, avoid coating cloud and steam to influence the adsorption efficiency of active carbon. Organic waste gas after filtration of coating cloud filter 2 passes through first pipeline 10 and gets into in the active carbon adsorption bed 3, and the volatile organic compounds in the active carbon adsorption bed 3 will the spraying waste gas adsorbs and gets rid of for volatile organic compounds content in the waste gas reaches national emission standard vertebra. The waste gas purified by the active carbon enters the deodorization box 4 through the second pipeline 11 to remove peculiar smell in the waste gas, so that the gas meets the emission requirement, and finally is sent into the chimney 14 by the system fan 5 and is led to be exhausted by the chimney 14. Meanwhile, after the activated carbon adsorption bed 3 is saturated in adsorption, the electric valve 13 on the first pipeline 10 is closed, the electric valve 13 on the second pipeline 11 is opened, the catalytic combustion bed 9 works at the moment, the catalytic combustion bed 9 heats the internal air to 95-115 ℃, the desorption fan 6 controls the hot air to circularly flow between the catalytic combustion bed 9 and the activated carbon adsorption bed 3, so that volatile organic compounds adsorbed on the activated carbon are heated and analyzed to be separated from the activated carbon, and are conveyed into the catalytic combustion bed 9 along with the air flow to be catalytically decomposed into CO2 and H2O, and the purified gas is directly discharged to the chimney 14. In addition, the heater 204 heats the adsorption liquid, so that the solubility of the adsorption liquid is improved, and more paint mist can be adsorbed.
Specifically, first filter module 205 includes filter screen 2051, first pivot 2052, first bevel gear 2053 and arc 2054, and first pivot 2052 rotates and sets up in first filter chamber 2011 diapire, and filter screen 2051 circumference more than two evenly sets firmly on first pivot 2052, and arc 2054 sets firmly in filter screen 2051 top, and the bottom of first pivot 2052 extends to in the first transmission chamber 2017 with first bevel gear 2053 fixed connection. After spraying waste gas gets into in the first filter chamber 2011, drive control module 208 drives first bevel gear 2053 and rotates, first bevel gear 2053 drives filter screen 2051 through first pivot 2052 and rotates, thereby smash into less bubble with the great bubble that spherical nozzle 202 produced, make the spraying coating cloud in the bubble can fully contact with the adsorption liquid, filter screen 2051 rotates the in-process stirring adsorption liquid simultaneously, the dissolving speed of coating cloud has been accelerated, thereby dissolve most coating cloud in the spraying waste gas, make the spraying waste gas of loss in second filter chamber 2012 cleaner, the adsorption pressure of second filter module has been reduced, and then the life of second adsorption module has been improved. In addition, in the process that the arc-shaped plate 2054 rotates along with the filter screen 2051, the volatilized solution can be condensed on the inner side of the arc-shaped plate 2054, so that the effects of reducing volatilization of the solution and improving the utilization rate of the solution are achieved.
Specifically, the second filtering module 206 includes a primary filter 2061, a middle-effect filter 2062, a sub-high-efficiency filter 2063 and a wire mesh demister 2064, the primary filter 2061, the middle-effect filter 2062, the sub-high-efficiency filter 2063 and the wire mesh demister 2064 are sequentially and fixedly arranged on the side wall of the second filtering chamber 2012, the primary filter 2061 is located at the input end of the second filtering chamber 2012, and the wire mesh mist outlet 2064 is located at the output end of the second filtering chamber 2012. The spraying waste gas passes through the primary filter 2061, the intermediate filter 2062 and the sub-high efficiency filter 2063 in sequence, more than 95% of paint mist particles with the diameter less than 1 mu m in the waste gas can be filtered, the filtered waste gas passes through the wire mesh demister 2604, more than 98% of fog drops with the diameter more than 31 mu m in the waste gas can be removed, so that the processes of removing paint mist and water vapor are realized, and the phenomenon that water vapor and paint mist are adsorbed on the activated carbon adsorption bed 3 to block the internal pores of the activated carbon is avoided.
Specifically, cleaning module 207 includes shower 2071, high pressure nozzle 2072, the pump body 2073, second pivot 2074 and second bevel gear 2075, shower 2071 transversely sets firmly in the top of second filter chamber 2012, and shower 2071 and third through hole 2016 intercommunication, two or more high pressure nozzles 2072 evenly set firmly in the shower 2071 bottom, pump chamber 2018 has been seted up in the third through hole 2016, the pump body 2073 rotates and sets up in the pump chamber 2018 lateral wall, the one end of second pivot 2075 sets firmly on the pump body 2073, the other end of second pivot 2075 extends to in the drive chamber 2014 with second bevel gear 2075 fixed connection. When the filtering holes of the primary filter 2061, the intermediate filter 2062 and the sub-high efficiency filter 2063 are blocked by paint mist, the driving control module 208 drives the second bevel gear 2075 to rotate, the second bevel gear 2075 drives the pump body 2073 to rotate through the second rotating shaft 2074, the adsorption liquid is sprayed to the upper part of the screen demister 2064 through the high-pressure spray head 2072 on the spray pipe 2073, the paint mist blocked in the filtering holes of the screen demister 2064 is dissolved by the adsorption liquid, then falls onto the surface of the sub-high efficiency filter 2063 from the filtering holes, and the filtering holes of the primary filter 2061, the intermediate filter 2062 and the sub-high efficiency filter 2063 are cleaned through the same principle, so that the primary filter 2061, the intermediate filter 2062 and the sub-high efficiency filter 2063 can be recovered to the normal working state.
Specifically, the driving control module 208 includes a push plate 2081, a connecting rod 2082, a first spring 2083, a supporting block 2084, a sliding block 2085, a locking block 2087, a second spring 2088, a driving motor 20811, a third rotating shaft 20812, a fourth rotating shaft 20813, a first rotating gear 20814, a second rotating gear 20815, a third bevel gear 20816, a fourth bevel gear 20817, a fifth bevel gear 20818 and a sixth bevel gear 20819, the push plate 2081 is slidably disposed in the second through hole 2015, one end of the connecting rod 2082 is fixed at the bottom of the push plate 2081, the other end of the connecting rod 2082 extends into the driving cavity 2014 and is fixedly connected with the top of the sliding block 2085, the supporting block 2084 is fixedly disposed on the inner wall of the second through hole 2015, a first spring 2083 is abutted between the push plate 2081 and the supporting block 2084 and the first spring 2083 is disposed on the connecting rod 2082, a sliding groove 2086 is disposed on the side wall of the driving cavity 2014, a sliding block 2085 is slidably disposed in a sliding groove 2086, a positioning groove 2089, a side surface of the locking block 2087 and a positioning groove 2089 is disposed in a sliding groove 2089 and a sliding groove 2089 The side surface of the sliding block 2085 is provided with a locking groove 20810 matched with the locking block 2087, the driving motor 20811 is embedded in the top wall of the driving cavity 2014, the third bevel gear 20816 is fixedly arranged at the power output end of the driving motor 20811, a third rotating shaft 20812 is rotatably arranged between the first driving cavity 2017 and the driving cavity 2014, one end of the third rotating shaft 20812 is fixedly provided with a fourth bevel gear 20817, the fourth bevel gear 20817 is meshed with the third bevel gear 20816, the other end of the third rotating shaft 20812 is fixedly provided with a fifth bevel gear 20818, the first rotating gear 20814 is rotatably arranged at the top of the sliding block 2085 through the fourth rotating shaft 20813, the power output shaft of the driving motor 20811 is fixedly provided with a second rotating gear 20815 meshed with the first rotating gear 20814, the sixth bevel gear 20819 is arranged below the sliding block 2085, and the sixth bevel gear 20819 is fixedly arranged at the free end of the fourth rotating shaft 20813. When the filter is in operation, the driving motor 20811 drives the fourth bevel gear 20817 to rotate through the third bevel gear 20816, the fourth bevel gear 20817 drives the fifth bevel gear 20818 to rotate through the third rotating shaft 20812, the fifth bevel gear 20818 drives the first bevel gear 2053 to rotate, and further drives the first filter module 205 to operate, when the second filter module 208 is blocked, the spraying exhaust gas continuously enters, so that the air pressure inside the second filter chamber 2012 rises, the push plate 2081 is pressed, the push plate 2081 overcomes the elastic force of the first spring 2083 to move downwards, and further the connecting rod 2082 drives the sliding block 2085 to move downwards along the sliding groove 2086, and presses the locking block 2087 into the positioning groove 2089, and when the air pressure inside the second filter chamber 2012 continues to rise to a certain gradient, the sliding block 2085 slides downwards to the bottom of the sliding groove 2086, so that the first rotating gear 20814 is engaged with the second rotating gear 20815, and the bevel gear 2075 is engaged with the sixth bevel gear 20819, locking piece 2087 blocks in locking groove 20810 under the effect of second spring 2088 simultaneously, and is fixed with slider 2085, and driving motor 20811 drives first rotating gear 20814 through second rotating gear 20815 and rotates this moment, and second rotating gear 20814 drives sixth bevel gear 20819 through fourth pivot 20813 and rotates, and sixth bevel gear 20819 rotates and drives second bevel gear 2075 and rotate, and then the work of control cleaning module 207 washs the filtration pore of second filtration module 206. After the filter holes of the second filter module 206 are cleaned, the air pressure in the second filter cavity 2012 is gradually increased, when the air pressure is reduced to a certain gradient, the first spring 2083 drives the sliding block 2085 to overcome the elastic force of the second spring 2088, and the locking block 2087 is extruded into the positioning groove 2089, so that the first rotating gear 20814 and the second rotating gear 20815 are disengaged, the second bevel gear 2075 and the sixth bevel gear 20819 are disengaged, and the cleaning module 207 stops working at the moment.
Specifically, the top of the housing 201 is further provided with a pressing handle 15, and the bottom of the pressing handle 15 extends into the driving cavity 2014 and is fixedly connected with the sliding block 2085. Through setting up the pressing handle 15 for operating personnel can push down pressing handle 15 manually as required, drives slider 2085 and moves down, makes first rotating gear 20814 and second rotating gear 20815 meshing, and second bevel gear 2075 and sixth bevel gear 20819 meshing, and then realizes the effect of manual control cleaning module 207 work.
Specifically, a peculiar smell control box 16 is fixedly arranged on one side of the deodorization box 4, and the peculiar smell control box 16 is communicated with the deodorization box 4 through a fourth pipeline 17. The waste gas purified by the activated carbon enters the deodorization box 4 through the second pipeline 11, the Vaportek deodorization diaphragm positioned in the peculiar smell control box 16 releases deodorization micro-particles at the moment, the deodorization micro-particles are sent into the deodorization box 4 through the fourth pipeline 17 by utilizing the negative pressure generated by the system fan 5, so that the deodorization micro-particles are fully mixed with peculiar smell gas molecules in the waste gas, and then the peculiar smell gas molecules in the waste gas are rapidly and actively captured and wrapped, so that the peculiar smell gas is thoroughly removed
The invention relates to a treatment method for automobile body spraying waste gas, which comprises the following steps:
s1, collecting and converging the organic waste gas, and then, entering the paint mist filter 2 through the air inlet pipeline 1 for pre-filtering;
s2, enabling the pre-filtered waste gas to enter a plurality of groups of active carbon adsorption beds 3 connected in parallel, and adsorbing volatile organic compounds in the waste gas by the active carbon adsorption beds 3 in a one-to-one or one-to-many mode;
s3, deodorizing, enabling the waste gas purified by the activated carbon to enter a deodorizing box 4, releasing deodorizing microparticles by utilizing a Vaportek deodorizing membrane in a peculiar smell control box 16 to adsorb peculiar smell molecules, and combining the peculiar smell molecules with the peculiar smell molecules in the waste gas;
and S4, discharging, namely discharging the waste gas after reaching the standard under the action of the system fan 5 into the chimney 14, and discharging the waste gas into the atmosphere by leading the waste gas to be high from the chimney 14.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (9)
1. The utility model provides a administer device for automobile body spraying waste gas which characterized in that: comprises an air inlet pipeline (1), a paint mist filter (2), an activated carbon adsorption bed (3), a deodorization box (4), a system fan (5), a desorption fan (6), a dilution fan (7), a complementary cooling fan (8), a catalytic combustion bed (9), a first pipeline (10), a second pipeline (11), a third pipeline (12), an electric valve (13) and a chimney (14), wherein the air inlet pipeline (1) is connected with the input end of the paint mist filter (2), the input ends of more than two activated carbon adsorption beds (3) are connected in parallel with the output end of the paint mist filter (2) through the first pipeline (10), the output end of the activated carbon adsorption bed (3) is connected with the input end of the deodorization box (4) through the first pipeline (10), the output end of the deodorization box (4) is connected with the chimney (14) through the third pipeline (12), the system fan (5) is fixedly arranged at the output end of the deodorization box (4), the catalytic combustion bed (9) is connected in parallel with two ends of the activated carbon adsorption bed (3) through a second pipeline (11), the desorption fan (6) is fixedly arranged at the input end of the catalytic combustion bed (9), the dilution fan (7) and the air supplement-cooling fan (8) are fixedly arranged on the second pipeline (11), the dilution fan (7) and the air supplement-cooling fan (8) are respectively positioned at one side of the input end and one side of the output end of the catalytic combustion bed (9), and electric valves (13) are respectively arranged in the first pipeline (10), the second pipeline (11) and the third pipeline (12);
the paint mist filter (2) comprises a shell (201), a spherical nozzle (202), an induced draft fan (203), a heater (204), a first filtering module (205), a second filtering module (206), a cleaning module (207) and a drive control module (208), wherein a first filtering cavity (2011) is formed in the shell (201), the heater (204) is embedded in the side wall of the first filtering cavity (2011), the first filtering module (205) is fixedly arranged at the bottom of the first filtering cavity (2011), the spherical nozzle (202) is arranged in the first filtering cavity (2011), the spherical nozzle (202) is fixed at the air outlet end of the air inlet pipeline (1), a second filtering cavity (2012) is formed above the first filtering cavity (2011), the first filtering cavity (2011) is communicated with the second filtering cavity (2012) through a first through hole (2013), the induced draft fan (203) is fixedly arranged in a first through hole (2013), and the second filtering module (206) is fixedly arranged in the second filtering cavity (2011), drive chamber (2014) have been seted up to one side of second filter chamber (2012), drive chamber (2014) communicate through second through-hole (2015) and second filter chamber (2012), drive control module (208) set firmly in drive chamber (2014), third through-hole (2016) have been seted up to the opposite side of second filter chamber (2012), first filter chamber (2011) communicate through third through-hole (2016) and second filter chamber (2011), cleaning module (207) set firmly in third through-hole (2016), first transmission chamber (2017) have still been seted up to first filter chamber (2011) below.
2. The abatement device for automotive body spray exhaust of claim 1, wherein: first filter module (205) include filter screen (2051), first pivot (2052), first bevel gear (2053) and arc (2054), and first pivot (2052) rotate to set up in first filter chamber (2011) diapire, and filter screen (2051) circumference more than two evenly sets firmly on first pivot (2052), and arc (2054) set firmly in filter screen (2051) top, and the bottom of first pivot (2052) extends to in first transmission chamber (2017) and first bevel gear (2053) fixed connection.
3. The abatement device for automotive body spray exhaust of claim 1, wherein: the second filter module (206) comprises a primary filter (2061), a medium-efficiency filter (2062), a sub-high-efficiency filter (2063) and a wire mesh demister (2064), wherein the primary filter (2061), the medium-efficiency filter (2062), the sub-high-efficiency filter (2063) and the wire mesh demister (2064) are sequentially and fixedly arranged on the side wall of the second filter cavity (2012), the primary filter (2061) is arranged at the input end of the second filter cavity (2012), and the wire mesh demister (2064) is arranged at the output end of the second filter cavity (2012).
4. The abatement device for automotive body spray exhaust of claim 1, wherein: cleaning module (207) includes shower (2071), high pressure nozzle (2072), the pump body (2073), second pivot (2074) and second bevel gear (2075), shower (2071) transversely set firmly in the top of second filter chamber (2012), and shower (2071) with third through-hole (2016) intercommunication, high pressure nozzle (2072) more than two evenly set firmly in shower (2071) bottom, pump chamber (2018) have been seted up in third through-hole (2016), pump body (2073) rotate set up in pump chamber (2018) lateral wall, the one end of second pivot (2075) sets firmly on pump body (2073), the other end of second pivot (2075) extends to in drive chamber (2014) and second bevel gear (2075) fixed connection.
5. The abatement device for automotive body spray exhaust of claim 1, wherein: the drive control module (208) comprises a push plate (2081), a connecting rod (2082), a first spring (2083), a supporting block (2084), a sliding block (2085), a locking block (2087), a second spring (2088), a drive motor (20811), a third rotating shaft (20812), a fourth rotating shaft (20813), a first rotating gear (20814), a second rotating gear (20815), a third bevel gear (20816), a fourth bevel gear (20817), a fifth bevel gear (20818) and a sixth bevel gear (20819), the push plate (2081) is arranged in the second through hole (2015) in a sliding manner, one end of the connecting rod (2082) is fixed at the bottom of the push plate (2081), the other end of the connecting rod (2082) extends into the drive cavity (2014) and is fixedly connected with the top of the sliding block (2085), the supporting block (2084) is fixedly arranged on the inner wall of the second through hole (2015), the first spring (2083) is connected between the supporting block (2081) and the first spring (2083) is sleeved on the first spring (2083), a sliding groove (2086) is formed in the side wall of the driving cavity (2014), a sliding block (2085) is arranged in the sliding groove (2086) in a sliding manner, a positioning groove (2089) is formed in the side surface of the sliding groove (2086), a locking block (2087) is arranged in the positioning groove (2089) in a sliding manner, the locking block (2087) is fixedly connected with the inner wall of the positioning groove (2089) through a second spring (2088), a locking groove (20810) matched with the locking block (2087) is formed in the side surface of the sliding block (2085), a driving motor (20811) is embedded in the top wall of the driving cavity (2014), a third bevel gear (20816) is fixedly arranged at the power output end of the driving motor (20811), a third rotating shaft (20812) is rotatably arranged between the first driving cavity (2017) and the driving cavity (2014), a fourth bevel gear (20817) is fixedly arranged at one end of the third rotating shaft (20812), the fourth bevel gear (20817) is meshed with the third bevel gear (20816), and a fifth bevel gear (20818) is fixedly arranged at the other end of the third rotating shaft (20812), the first rotating gear (20814) is rotatably arranged at the top of the sliding block (2085) through a fourth rotating shaft (20813), a second rotating gear (20815) meshed with the first rotating gear (20814) is fixedly arranged on a power output shaft of the driving motor (20811), a sixth bevel gear (20819) is arranged below the sliding block (2085), and the sixth bevel gear (20819) is fixedly arranged at the free end of the fourth rotating shaft (20813).
6. The abatement device for automotive body spray exhaust gas of claim 5, wherein: the top of the shell (201) is also provided with a pressing handle (15), and the bottom of the pressing handle (15) extends into the driving cavity (2014) and is fixedly connected with the sliding block (2085).
7. The abatement device for automotive body spray exhaust of claim 1, wherein: and a peculiar smell control box (16) is fixedly arranged on one side of the deodorization box (4), and the peculiar smell control box (16) is communicated with the deodorization box (4) through a fourth pipeline (17).
8. A treatment method for use in a treatment device for automotive body spray exhaust gas according to any one of claims 1 to 7, characterized in that the method comprises the steps of:
s1, collecting and converging the organic waste gas, and then, entering the paint mist filter (2) through the air inlet pipeline (1) for pre-filtering;
s2, enabling the pre-filtered waste gas to enter a plurality of groups of active carbon adsorption beds (3) connected in parallel, and adsorbing volatile organic compounds in the waste gas by the active carbon adsorption beds (3) in a one-to-one or one-to-many mode;
s3, deodorizing, enabling the waste gas purified by the activated carbon to enter a deodorizing box (4), releasing deodorizing microparticles by utilizing a Vaportek deodorizing membrane in a peculiar smell control box (16) to adsorb peculiar smell molecules, and combining the peculiar smell molecules with the peculiar smell molecules in the waste gas;
and S4, discharging, namely discharging the waste gas after reaching the standard under the action of a system fan (5) into a chimney (14), and discharging the waste gas into the atmosphere by raising the waste gas through the chimney (14).
9. The treatment method for the automobile body spraying exhaust gas according to claim 8, characterized in that: when the activated carbon adsorption bed (3) is saturated in adsorption, the electric valve (13) on the first pipeline (10) is closed, the electric valve (13) on the second pipeline (11) is opened, the catalytic combustion bed (9) works at the moment, the catalytic combustion bed (9) heats the internal air to 95-115 ℃, the desorption fan (6) controls the hot air to circularly flow between the catalytic combustion bed (9) and the activated carbon adsorption bed (3), and the volatility adsorbed on the activated carbon is enabled to haveThe organic matters are desorbed by heating and separated from the activated carbon, and are conveyed to the catalytic combustion bed (9) along with the gas flow to be catalytically decomposed into CO2And H2And O, directly discharging the purified gas to a chimney (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110775618.5A CN113350967A (en) | 2021-07-08 | 2021-07-08 | Treatment device and treatment method for automobile body spraying waste gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110775618.5A CN113350967A (en) | 2021-07-08 | 2021-07-08 | Treatment device and treatment method for automobile body spraying waste gas |
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| Publication Number | Publication Date |
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| CN113350967A true CN113350967A (en) | 2021-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110775618.5A Withdrawn CN113350967A (en) | 2021-07-08 | 2021-07-08 | Treatment device and treatment method for automobile body spraying waste gas |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115040969A (en) * | 2022-06-07 | 2022-09-13 | 安徽紫科环保科技有限公司 | Automobile drying waste gas treatment device |
| CN115069060A (en) * | 2022-06-07 | 2022-09-20 | 安徽紫科环保科技有限公司 | Automobile spraying waste gas adsorption device |
| CN115155812A (en) * | 2022-06-30 | 2022-10-11 | 江苏苏力机械股份有限公司 | Integrated coating and paint spraying volatile organic waste gas treatment equipment |
-
2021
- 2021-07-08 CN CN202110775618.5A patent/CN113350967A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115040969A (en) * | 2022-06-07 | 2022-09-13 | 安徽紫科环保科技有限公司 | Automobile drying waste gas treatment device |
| CN115069060A (en) * | 2022-06-07 | 2022-09-20 | 安徽紫科环保科技有限公司 | Automobile spraying waste gas adsorption device |
| CN115155812A (en) * | 2022-06-30 | 2022-10-11 | 江苏苏力机械股份有限公司 | Integrated coating and paint spraying volatile organic waste gas treatment equipment |
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Application publication date: 20210907 |