CN105562272B - A kind of steel structure paint finishing with purification function - Google Patents

A kind of steel structure paint finishing with purification function Download PDF

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Publication number
CN105562272B
CN105562272B CN201510938845.XA CN201510938845A CN105562272B CN 105562272 B CN105562272 B CN 105562272B CN 201510938845 A CN201510938845 A CN 201510938845A CN 105562272 B CN105562272 B CN 105562272B
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China
Prior art keywords
spray
air
outlet
photodissociation
air draft
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CN105562272A (en
Inventor
吴会超
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GNOW NANTONG CONSTRUCTION SYSTEM CO., LTD.
Multi dimension green construction technology (Tianjin) Co., Ltd.
Duowei Union Group Co Ltd
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Duowei Union Group Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B16/00Spray booths
    • B05B16/80Movable spray booths
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D47/00Separating dispersed particles from gases, air or vapours by liquid as separating agent
    • B01D47/06Spray cleaning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/75Multi-step processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B16/00Spray booths
    • B05B16/40Construction elements specially adapted therefor, e.g. floors, walls or ceilings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B16/00Spray booths
    • B05B16/60Ventilation arrangements specially adapted therefor

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)

Abstract

The steel structure paint finishing with purification function that an embodiment of the present invention provides a kind of comprising:Spraying area, spraying area include spray booth, and spray booth includes nacelle, several air inlets and air outlet are provided in nacelle;Air is sent into spray booth by the air outlet of blowing unit, blowing unit by air inlet;Air is discharged out of spray booth by air outlet for air exhaust units, the inlet scoops of air exhaust units;Spray station, spray station are set in spray booth, and height is suitable for spray coating operations height;Blowing unit ensures there is required operating air pressure in spray booth with air exhaust units;Reaction zone is sprayed, spray reaction zone includes spray column, and the lower part of spray column is equipped with spray air inlet, and top is equipped with spray gas outlet;Spray air inlet is connected to the air draft gas outlet of spraying area air exhaust units;Photolysis area, photolysis area include reactant, and reactant one end is equipped with photodissociation air inlet, and the other end is equipped with photodissociation gas outlet, and photodissociation air inlet is connected to the spray gas outlet of spray column.

Description

A kind of steel structure paint finishing with purification function
Technical field
The present embodiments relate to spraying equipment field more particularly to a kind of steel structure paint finishings with purification function.
Background technology
Spraying refers to, by means of pressure or centrifugal force, coating being dispersed into uniform and micro- by spray gun or dish-style atomizer Thin droplet is applied over the application on coated article surface.Having a wide range of application mainly for spraying has hardware, plastic cement, family property, military project, ship The fields such as oceangoing ship are to apply a kind of most common application mode now.For example, being usually coated with coating on steel member, it to be used for anti-corrosion Antirust, to increase the usage time of steel member.
Main problem present in spraying:Due to compressed air, by coating high degree of dispersion at coating cloud, paint grain, flies upward and expand The solvent for being scattered in ambient atmosphere and being evaporated in coating, both pollutes environment, is unfavorable for health, and waste and apply Material, causes economic loss.Moreover, in open spraying area, every environmental parameter is not easily controlled and adjusts, it is easy to influence Spraying effect, such as:Spraying operation scene not enough cleaning, dust are mixed into paint, can cause coating seediness;Or spraying operation Live gas epidemic disaster is big, and paint film reaction is violent, may be combined with moisture content in air and generate whiting;Or operation field gas Wen Gao, air humidity are big, cause bubble.
In addition, if the exhaust gas in spray booth were directly discharged to without processing in air, large quantity of exhaust gas, coating cloud and VOC Environment will be polluted, environmental pollution is caused.
Therefore, it is necessary to a kind of paint finishings, solve the above problems.
Invention content
For prior art there are the problem of, the embodiment of the present application provide it is a kind of with purification function steel structure spraying System solves the problem of pollutant spreads, causes air pollution in spraying process, can purify the dirt generated in spraying process Contaminate object.
The embodiment of the present application provides a kind of steel structure paint finishing with purification function comprising:Spraying area, the spraying Area includes:Spray booth, the spray booth include nacelle, several air inlets and air outlet are provided in the nacelle;Air-supply is single Air is sent into the spray booth by the air outlet of member, the blowing unit by the air inlet;Air exhaust units, the air draft list Air is discharged out of described spray booth by the air outlet for the inlet scoop of member;And spray station, the spray station are set It is placed in the spray booth, height is suitable for spray coating operations height;Wherein, the blowing unit ensures with the air exhaust units There is required operating air pressure in the spray booth;Reaction zone is sprayed, the spray reaction zone includes spray column, the spray column Lower part be equipped with spray air inlet, top be equipped with spray gas outlet;The air draft of the spray air inlet and the spraying area The air draft gas outlet of unit is connected to;Photolysis area, the photolysis area includes reactant, and one end of the reactant is equipped with Photodissociation air inlet, the other end are equipped with photodissociation gas outlet, and the photodissociation air inlet is connected to the spray gas outlet of the spray column.
Preferably, the spray booth includes nacelle, several air inlets and air outlet are provided in the nacelle;It is described to send Air is sent into the spray booth by the air outlet of wind unit by the air inlet;The inlet scoop of the air exhaust units passes through described Air is discharged air outlet out of described spray booth.
Preferably, the nacelle includes top plate, respectively both ends fixed first side plate and second opposite with the top plate Side plate, respectively with the fixed rolling screen door of the other opposite end of the top plate;First side plate lower part is equipped with multiple air inlets Mouthful, second side plate is equipped with multiple air outlets close to top, the top plate be equipped with that multiple row is equally spaced it is described go out Air port.
Preferably, the blowing unit includes multiple axial flow blowers, and multiple axial flow blowers are distributed in first side The air outlet in the outside of plate, each axial flow blower is connected to the air inlet of first side plate.
Preferably, the air exhaust units include at least a set of air draft supervisor, air exhaust branch pipe and air draft suction nozzle, the air draft master Pipe is located at the spray booth top, and one end of the air draft supervisor is connect with extractor fan, and the air draft supervisor is equipped with more The air exhaust branch pipe, the other end for being located at the air draft suction nozzle in the spray booth are connect with the air exhaust branch pipe.
Preferably, the air draft supervisor includes an at least pipeline, the pipe of the input end that the air draft is responsible for outlet end Diameter gradually increases;The air exhaust branch pipe gradually increases far from the air draft main tube end to the caliber close to the air draft main tube end Greatly;The air draft suction nozzle is multiple, sets that there are one institutes at each air outlet of the top plate and the air outlet of second side plate State air draft suction nozzle.
Preferably, further include walking unit, the walking unit includes sliding rail and the cunning that is used cooperatively with the sliding rail Wheel, two sliding rails are symmetrically fixed on ground to be sprayed boundary, multiple pulleys bottom with first side plate respectively It is fixedly connected with the bottom of second side plate.
Preferably, packing layer, spraying layer and water barrier are equipped in the spray column successively from bottom to up;The spray column Bottom is equipped with spray water tank, and the lower part of the spray column is equipped with spray column water outlet, the spray column water outlet and the spray Water tank is connected to;The top of the spray column is equipped with spray column water inlet, wherein is also set up between the spray water tank and spray column There are water pump, the both ends of the water pump to be separately connected the spray water tank and the spray column water inlet.
Preferably, inhalant region, primary sedimentation area, secondary precipitation area and race way are equipped in the spray water tank.
Preferably, be equipped with successively from the photodissociation air inlet to the photodissociation gas outlet in the reactant pretreating zone, Photolysis area and plasma reaction area.
Preferably, the pretreating zone includes guide layer and water accepting layer;The photolysis area include active catalytic floor and The photodissociation Catalytic Layer and photocatalyst layer being spaced apart;The plasma reaction area includes high pressure plasma floor.
Furthermore it is preferred that being additionally provided with detection device, the detection device at the photodissociation gas outlet in the photolysis area Whether the gas being discharged from the photodissociation gas outlet in the photolysis area with detection reaches discharge standard.
From the description above and practice it is found that a kind of steel structure spray with purification function provided by the embodiments of the present application System, compared with prior art, advantage is:First, workpiece to be sprayed is placed in spray station, spraying hatch cover is buckled in Above spray station, then spraying operation is carried out, subsequent centralized processing can be convenient for closed spray polluted space, reduce volatilization Property organic compound discharge capacity, reduce coating cloud and VOC pollution, environmental pollution indexes can be reduced;Spray booth is equipped with sending Wind unit and air exhaust units, blowing unit progress is side-blown, and air exhaust units collect exhaust gas by way of side suction and upper suction, to protect The gas sampling efficiency for demonstrate,proving spray booth maximizes;Second, equipped with spray reaction zone and photolysis area, can collect and handle from The exhaust gas of spray booth discharge, by the multistage purification of spray column and reactant, converting nuisance to clean air makes exhaust gas It is then exhausted from, is avoided in exhaust gas diffusion to environment after reaching discharge standard, reduce the pollution of coating cloud and VOC, greatly reduce environment Pollution index.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this Shen Some embodiments please for those of ordinary skill in the art without creative efforts, can be with root Other attached drawings are obtained according to these attached drawings.
Attached drawing described herein is used for providing further understanding of the present application, constitutes part of this application, this Shen Illustrative embodiments and their description please do not constitute the improper restriction to the application for explaining the application.In the accompanying drawings:
Fig. 1 is the steel structure paint finishing schematic diagram with purification function described in the embodiment of the present application;
Fig. 2 is the side view of the spraying area of the steel structure paint finishing shown in FIG. 1 with purification function;
Fig. 3 is the vertical view of the spraying area of the steel structure paint finishing shown in FIG. 1 with purification function;
Fig. 4 is the schematic diagram of the spray reaction zone of the steel structure paint finishing shown in FIG. 1 with purification function;
Fig. 5 is the schematic diagram of the reactant of the steel structure paint finishing shown in FIG. 1 with purification function.
Reference numeral:
10:Spray booth;11:Air inlet;12:Air outlet;13:Top plate;14:First side plate;
15:Second side plate;16:Spray station;20:Blowing unit;30:Air exhaust units;
31:Air draft is responsible for;32:Air exhaust branch pipe;33:Air draft suction nozzle;40:Spray column;
41:Spray air inlet;42:Spray gas outlet;43:Packing layer;44:Spraying layer;
45:Water barrier;46:Water pump;47:Spray water tank;48:Filter screen;50:Reactant;
51:Photodissociation air inlet;52:Photodissociation gas outlet;53:Homogenizing plate;54:High score unginned cotton's layer;
55:Activating catalytic layer;56:Photocatalyst layer;57:Photodissociation Catalytic Layer;58:High pressure plasma layer.
Specific implementation mode
To keep the purpose, technical scheme and advantage of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application In attached drawing, technical solutions in the embodiments of the present application is clearly and completely described, it is clear that described embodiment is Some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art The every other embodiment obtained without making creative work, shall fall in the protection scope of this application.
To keep the purpose, technical scheme and advantage of the application clearer, below in conjunction with drawings and the specific embodiments, to this Application is described in further detail.
Fig. 1 is the steel structure paint finishing schematic diagram with purification function described in the embodiment of the present application.Fig. 2 is shown in Fig. 1 The steel structure paint finishing with purification function spraying area side view.Fig. 3 is the steel structure shown in FIG. 1 with purification function The vertical view of the spraying area of paint finishing.As shown in Figures 1 to 3:Steel structure paint finishing with purification function includes:Spraying area, Spray reaction zone and photolysis area.
Spraying area includes:Spray booth 10, spray station 16, blowing unit 20 and air exhaust units 30.
Spray booth 10 includes nacelle, several air inlets 11 and several air outlets 12, air inlet 11 are provided in nacelle The space size in spraying storehouse 10 is depended primarily on the number of air outlet 12;Spray station 16, which can be stirrup etc., can raise institute The component of the height for the steel structure to be sprayed, but be not limited thereto, spray station 16 is set in spray booth 10, spray station 16 Height be suitable for spray coating operations height, such as the working depth of spraying work is avoided with ensureing the integrality of steel structure spraying because of steel Structure height is improper and causes spraying dead angle, influences coating quality;The air outlet of blowing unit 20 is by air inlet 11 by air It is sent into spray booth 10;Air is discharged from spray booth 10 is interior by air outlet 12 for the inlet scoop of air exhaust units 30, blowing unit 20 Ensure that there is required operating air pressure, operating air pressure can ensure steel structure in spray booth 10 in spray booth 10 with air exhaust units 30 Smoothly spraying and Spray painting tool have safe working environment, increase the safety of steel structure spray coating operations.
Preferably, nacelle cover is buckled in spray station 16, and nacelle includes top plate 13, the first side plate 14,15 and of the second side plate Rolling screen door.Distinguish fixed first side plate, 13 and second side plate 14, the other opposite both ends of top plate 13 in the opposite both ends of top plate 13 Rolling screen door is fixed respectively.When carrying out spraying operation, rolling screen door is put down, and nacelle forms confined space above spray station 16; After the completion of spraying, rolling screen door is rolled, facilitates ventilation.
14 lower part of the first side plate be equipped with multiple air inlets 11, air inlet 11 on the first side plate equidistant, homalographic, etc. The distribution of relative altitude, convenient gas distribution uniform in nacelle.
Second side plate 15 is equipped with multiple air outlets 12 at top, air outlet 12 is equidistant on the second side plate 15, etc. Area, etc. relative altitudes distribution;Top plate 13 is equipped with multiple row air outlet 12, air outlet 12 is equidistant on top plate 13, etc. faces Long-pending distribution, air outlet 12 are in array distribution on top plate 13.
The air outlet of blowing unit 20 corresponds to the air inlet 11 of 14 lower part of the first side plate, the air outlet of blowing unit 20 It is docked to air inlet 11, air is sent into spray booth 10 by air inlet 11.
Preferably, blowing unit 20 includes multiple axial flow blowers, and each axial flow blower provides an air outlet, each axis stream Wind turbine is located in the outside of the first side plate 14, and the air outlet of each axial flow blower is connected to the air inlet 11 of the first side plate 14.
The air outlet 12 on inlet scoop one 15 top of the second side plate of correspondence of air exhaust units 30 or the air outlet 12 of top plate 13, Pass through the discharge out of spray booth 10 by air of air outlet 12.
By adjusting the air inflow and gas output of blowing unit 20 and air exhaust units 30 so that blowing unit 20 and air draft list Member 30 can ensure there is required operating air pressure in spray booth 10.
Preferably, air exhaust units 30 include at least a set of air draft supervisor 31, air exhaust branch pipe 32 and air draft suction nozzle 33.
Air draft supervisor 31 is located at 13 top of top plate of spray booth 10, and extends to air outlet 12 along the second side plate 15, arranges One end of wind supervisor 31 is connect with extractor fan, and extractor fan will go into the air of air draft supervisor 31 and pollutant is taken away.
Preferably, air draft supervisor 31 include an at least pipeline, air draft supervisor 31 input end to outlet end caliber by It is cumulative big.Air draft supervisor 31 can also be by mostly forming with pipeline connection, wherein the caliber of front-end pipelines outlet connects less than its rear The caliber of the conduit entrance connect, moreover, caliber of the caliber of each pipeline from input end to outlet end gradually increases.
The caliber of input end to the outlet end of air draft supervisor 31 it is gradual increased the reason is that:Sky from input end to outlet end Tolerance is as the quantity of the branch pipe of connection increases and gradually increases, when starting ventilation, the row that is connected to from input end to outlet end Wind branch pipe 32 and air outlet more than 12, it is also bigger to air draft supervisor's offer air capacity, if air draft 31 calibers of supervisor are constant, will increase The logical resistance of big air stream, by way of increasing air draft and being responsible for 31 calibers, the resistance of covert reduction air circulation.
More air exhaust branch pipes 32 are connected on air draft supervisor 31, air draft is responsible for 31 opposite both sides, is spaced apart multiple row air draft Branch pipe 32, the air exhaust branch pipes 32 of each row are located at top plate 13 or the one of the second side plate 15 list 12 top of air port.
Preferably, the separate air draft of air exhaust branch pipe 32 is responsible for 31 ends and is gradually increased to the caliber for being responsible for 31 ends close to air draft. This is because multiple air exhaust branch pipes 32 are sequentially communicated on air draft supervisor 31, when starting ventilation, far from the farthest of air draft supervisor 31 Only there are one air exhaust branch pipes 32 at end divulges information into air draft supervisor 31, closer to air draft supervisor 31, the air exhaust branch pipe 32 of connection and goes out The number in air port 12 is more, and the flow of air is also bigger, if 32 caliber of air exhaust branch pipe is constant, will increase the resistance of air circulation Power, by way of increasing by 32 caliber of air exhaust branch pipe, the resistance of covert reduction air circulation.
It is set in each air outlet 12 of top plate 13 or the second side plate 15 there are one air draft suction nozzle 33, it will by air draft suction nozzle 33 Air and pollutant discharge, suction nozzle one end of each air draft suction nozzle 33 in spray booth 10 are located in spray booth 10, and air draft is inhaled The pipe section of first 33 top is connect with air exhaust branch pipe 32.The flow of each air draft suction nozzle 33 is identical, avoids causing local pressure It is strong excessive or too small.
Spray station 16 is the position that part to be sprayed is placed in spraying, and a spraying can be set in spray booth 10 Multiple spray stations 16 can also be arranged at intervals in the path that spray booth 10 is walked by station 16, and spray booth 10 can cover button In the spray station 16 used wherein, after the completion of spraying, spray booth 10 is moved at next spray station 16.Spray work The height of position 16 is suitable for the height of spray coating operations expansion.
In the present embodiment, spray station 16 includes that transverse strands and vertical frame, transverse strands are spaced apart, and more vertical framves are simultaneously Column distribution is fixed above transverse strands by the transverse strands of lower section.The height of transverse strands determines the height of spray station 16, vertical frame Entire area determine spray station usable floor area.
Preferably, spray booth 10 further includes walking unit, and walking unit is mounted on the first side plate 14 and the of spray booth 10 Two side plates, 15 lower section, can help spray booth 10 to walk on preset track.Walking unit includes sliding rail and coordinates with sliding rail The pulley used, two sliding rails are symmetrically fixed on ground to be sprayed boundary, the bottom of the first side plate 14 and the second side plate 15 or under Side is fixedly connected with multiple pulleys at corresponding position.Such as sliding rail is arranged in the outside of multiple spray stations 16, walking unit Spray booth 10 can be driven mobile above spray station 16.
Fig. 4 is the schematic diagram of the spray reaction zone of the steel structure paint finishing shown in FIG. 1 with purification function.Such as Fig. 4 institutes Show, spray reaction zone includes spray column 40, and the lower part of spray column 40 is equipped with spray air inlet 41, and top is equipped with spray gas outlet 42.Spray air inlet 41 is connected to the air draft gas outlet of the air exhaust units 30 of spraying area, air draft of the pollutant from air exhaust units 30 Gas outlet is discharged, and enters from spray air inlet 41, is inversely contacted with spray liquid in spray column 40, pollutant is gone by spray liquid It removes, is discharged from spray gas outlet 42 by purification.
Preferably, packing layer 43, spraying layer 44 and water barrier 45, packing layer 43 are equipped in spray column 40 successively from bottom to up Interior to be filled with filler, spraying layer 44 is equipped with multiple nozzles, spray liquid is sprayed, and water barrier 45 can remove the spray of air carrying Liquid.
The bottom of spray column 40 is equipped with spray water tank 47, and the lower part of spray column 40 is equipped with spray column water outlet, and spray column goes out The mouth of a river is connected to spray water tank 47;The top of spray column 40 is equipped with spray column water inlet, wherein spray water tank 47 and spray column 40 Between be additionally provided with water pump 46, the both ends of water pump 46 are separately connected spray water tank 47 and spray column water inlet, and spray liquid is located at spray In spraying water tank 47, the top spray column water inlet that spray column 40 is got to by water pump 46 flows to spray column 40 by packing layer 43 Lower part spray column water outlet, be again introduced into spray water tank 47, spray liquid is by water pump 46 in spray water tank 47 and spray column 40 Between recycle.
Preferably, spray water tank 47 is equipped with inhalant region, primary sedimentation area, secondary precipitation area successively from water inlet to water outlet And race way, filter screen 48 is equipped between secondary precipitation area and race way.Inhalant region is equipped with water inlet, the spray liquid of configuration from into The mouth of a river enters inhalant region, and inhalant region is connected to the spray column water outlet of 40 lower part of spray column, and the carrying flowed out from spray column 40 is dirty The spray liquid of dye object initially enters inhalant region, and primary sedimentation area and secondary precipitation area are sequentially entered from inhalant region, to settle pollution Object, filtered spray liquid recycle again.
Fig. 5 is the schematic diagram of the reactant of the steel structure paint finishing shown in FIG. 1 with purification function.As shown in figure 5, light Solution reaction zone includes reactant 50, and one end of reactant 50 is equipped with photodissociation air inlet 51, and the other end is equipped with photodissociation gas outlet 52, light Solution air inlet 51 is connected to the spray gas outlet of spray column 40.By treated the gas of spray column 40, from photodissociation air inlet 51 Into reactant 50, after treatment, it is discharged from photodissociation gas outlet 52.
Preferably, anti-equipped with pretreating zone, photodissociation successively from photodissociation air inlet 51 to photodissociation gas outlet 52 in reactant 50 Answer area and plasma reaction area.Pretreating zone carries out stream pretreatment, and photolysis area carries out photodissociation purification reaction processing, etc. Gas ions reaction zone carries out plasma deep reaction processing.
Preferably, pretreating zone includes guide layer and water accepting layer;It is equipped with homogenizing plate in the guide layer of 50 input end of reactant 53, water accepting layer is equipped with high score unginned cotton layer 54;In flowing preprocessing process, make high flow rate exhaust gas after homogenizing plate 53, it can be equal Even to be distributed in reactant 50, exhaust gas can be fully purified, while 54 layers of high score unginned cotton can be untreated complete by front end Coating cloud and water mist absorption, to ensure that rear end purified treatment efficiency maximizes.Photolysis area includes active catalytic floor 55 and interval The photodissociation Catalytic Layer 57 and photocatalyst layer 56 of distribution;Photo-degradation mechanism includes two processes, first, generating the mistake of energetic ion group Cheng Zhong, a certain number of pernicious gas molecules are acted on by high energy, itself are resolved into simple substance or are converted into innocuous substance.Second is that containing The ion population for having a large amount of high energy particles and the free radical of high activity, with macromolecular gas (such as H2S, toluene etc.) effect, it opens Its intramolecular valence bond, is converted into harmless small-molecule substance.Catalyst (such as titanium dioxide) is by ultraviolet The very strong superoxide anion radical of chemical activity and hydroxyl free radical are generated when irradiation, are attacked organic matter, are reached drop Solve the effect of organic matter.Titanium dioxide belongs to non-dissolving type material, while thorough decomposing organic pollutant and killing bacterium, from Body is not decomposed, is not dissolved out, and photocatalysis is lasting, and with lasting sterilization, degradation of contaminant effect.Plasma reaction area Including high pressure plasma layer 58;High pressure plasma layer 58 carries out depth secondary counter for the intractable obstinate exhaust gas constituents in front end It answers.Plasma bombards the molecule of gas with foreign flavor with 800,000 times to 5,000,000 times speed per second repeatedly, deactivates, ionization, cracks Various composition in exhaust gas, the chemical reaction to which a series of complex such as oxidation occur convert nuisance by multistage purification To be discharged after clean air.
Furthermore it is preferred that be additionally provided with detection device at the photodissociation gas outlet in photolysis area, detection device detection from Whether the gas of the photodissociation gas outlet discharge in photolysis area reaches discharge standard.
The use process of the steel structure paint finishing with purification function is described below.
First, workpiece to be sprayed is placed into spray station 16, mobile spray painting room is extremely corresponding with spray station 16 Predeterminated position makes the cover of spray booth 10 be buckled in 16 top of spray station, closes spray booth 10, spray painting room is made to form a confined space.
Secondly, the waste gas outlet of air exhaust units 30 is connected with the exhaust gas inlet of spray column 40, spray column 40 is equipped with more A exhaust gas inlet, each exhaust gas inlet correspond to a spray station 16, open the wind being arranged at the exhaust gas inlet of spray column 40 Valve;The waste gas outlet of spray column 40 is connected with the air inlet of reactant 50;Start spray column 40, reactant 50 and air draft list Member 30, and open the blowing unit 20 being set on spray painting room.
Again, paint spraying is carried out to workpiece to be sprayed until Workpiece painting to be sprayed is complete in the enclosure space of spray painting room At, wherein the exhaust gas generated in spraying process is delivered to spray column by blowing unit 20 and air exhaust units 30 out of spray painting room 40, then be delivered in reactant 50, by being discharged into air after the purification of the two.
Exhaust gas enters spray column 40, is used for the particle in exhaust gas by packing layer 43, packing layer 43 in spray column 40 Substance and soluble component removal, wherein spray liquid is persistently sprayed at the table of packing layer 43 by the spray nozzle in spray column 40 On face;By spraying layer 44, exhaust gas contacts in uphill process with the spray liquid that spray nozzle sprays, and spray liquid will be in exhaust gas Soluble component further remove;By water barrier 45, water barrier 45 by the gas of packing layer 43 for will be dried Processing is discharged from spray column 40.
Exhaust gas after preliminary evolution enters reactant 50, and first, stream pretreatment, exhaust gas passes sequentially through even flow plate 53 and height Molecule cotton layer 54, homogenizing plate 53 are used to exhaust gas being evenly distributed on reactant 50, and high score unginned cotton layer 54 is multiple, for exhaust gas Carry out wet process;Secondly, photodissociation purified treatment is carried out, exhaust gas passes sequentially through active catalytic layer 55 and photodissociation layer, active catalytic Layer 55 is multiple, for improving exhaust gas activity, its own decomposition and inversion, photodissociation layer is promoted to be used to carry out photodissociation processing to exhaust gas, Photodissociation layer includes photodissociation Catalytic Layer 57 and photocatalyst layer 56, and photodissociation Catalytic Layer 57 is multiple, and photocatalyst layer 56 is multiple, and photodissociation is urged Change layer 57 and photocatalyst layer 56 is arranged alternately to form photodissociation layer;Corona treatment is finally carried out, exhaust gas passes through high pressure plasma Layer 58, for exhaust gas to be carried out multistage purification.
Spray painting room is moved again to 16 corresponding predeterminated position of next spray station, is repeated the above steps, until each Workpiece painting to be sprayed in spray station 16 is completed.
In conclusion according to the technical solution of the embodiment of the present application, according to provided by the embodiments of the present application a kind of with net Change the steel structure paint finishing of function, advantage is:First, workpiece to be sprayed is placed in spray station, hatch cover will be sprayed It is buckled in above spray station, then carries out spraying operation, subsequent centralized processing can be convenient for closed spray polluted space, reduced The discharge capacity of volatile organic compounds reduces the pollution of coating cloud and VOC, can reduce environmental pollution indexes;Spray booth is equipped with There are blowing unit and air exhaust units, blowing unit progress is side-blown, and air exhaust units collect exhaust gas by way of side suction and upper suction, To ensure that the gas sampling efficiency of spray booth maximizes;Second, equipped with spray reaction zone and photolysis area, it can collect and locate The exhaust gas being discharged from spray booth is managed, by the multistage purification of spray column and reactant, converting nuisance to clean air makes Exhaust gas is then exhausted from after reaching discharge standard, is avoided in exhaust gas diffusion to environment, is reduced the pollution of coating cloud and VOC, is greatly reduced Environmental pollution indexes.
Finally it should be noted that:Above example is only to illustrate the technical solution of the application, rather than its limitations;Although The application is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that:It still may be used With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features; And these modifications or replacements, each embodiment technical solution of the application that it does not separate the essence of the corresponding technical solution spirit and Range.

Claims (8)

1. a kind of steel structure paint finishing with purification function, which is characterized in that including:
Spraying area, the spraying area include:
Spray booth, the spray booth include nacelle, several air inlets and air outlet are provided in the nacelle;
Air is sent into the spray booth by the air outlet of blowing unit, the blowing unit by the air inlet;
Air is discharged out of described spray booth by the air outlet for air exhaust units, the inlet scoops of the air exhaust units;And
Spray station, the spray station are set in the spray booth, and height is suitable for spray coating operations height;
Wherein, the blowing unit ensures there is required operating air pressure in the spray booth with the air exhaust units;
Reaction zone is sprayed, the spray reaction zone includes spray column, and the lower part of the spray column is equipped with spray air inlet, and top is set There is spray gas outlet;The spray air inlet is connected to the air draft gas outlet of the air exhaust units of the spraying area;
Photolysis area, the photolysis area includes reactant, and one end of the reactant is equipped with photodissociation air inlet, the other end Equipped with photodissociation gas outlet, the photodissociation air inlet is connected to the spray gas outlet of the spray column,
The nacelle include top plate, respectively both ends fixed first side plate and second side plate opposite with the top plate, respectively with The fixed rolling screen door of the other opposite end of top plate;First side plate lower part be equipped with multiple air inlets, described second Side plate is equipped with multiple air outlets close to top, and the top plate is equipped with the air outlet that multiple row is equally spaced,
The air exhaust units include at least a set of air draft supervisor, air exhaust branch pipe and air draft suction nozzle, and the air draft supervisor is located at described The one end on spray booth top, the air draft supervisor is connect with extractor fan, and the air draft supervisor is equipped with the more air draft branch Pipe, the other end for being located at the air draft suction nozzle in the spray booth are connect with the air exhaust branch pipe,
The air draft supervisor includes an at least pipeline, and the caliber of input end to the outlet end of the air draft supervisor gradually increases; The air exhaust branch pipe gradually increases far from the air draft main tube end to the caliber close to the air draft main tube end;The air draft is inhaled Head is multiple, is set at each air outlet of the top plate and the air outlet of second side plate there are one the air draft suction nozzle,
Relative to the input end of air draft supervisor, the air inlet is close to the outlet end that the air draft is responsible for.
2. carrying the steel structure paint finishing of purification function as described in claim 1, which is characterized in that the blowing unit includes Multiple axial flow blowers, multiple axial flow blowers are distributed in the outside of first side plate, the air-supply of each axial flow blower Mouth is connected to the air inlet of first side plate.
3. carrying the steel structure paint finishing of purification function as described in claim 1, which is characterized in that further include walking unit, The walking unit includes sliding rail and the pulley that is used cooperatively with the sliding rail, and two sliding rails are symmetrically fixed on to be sprayedly Boundary, multiple pulleys are fixedly connected with the bottom of the bottom of first side plate and second side plate respectively.
4. carrying the steel structure paint finishing of purification function as described in claim 1, which is characterized in that in the spray column under It is supreme to be equipped with packing layer, spraying layer and water barrier successively;
The bottom of the spray column is equipped with spray water tank, and the lower part of the spray column is equipped with spray column water outlet, the spray column Water outlet is connected to the spray water tank;
The top of the spray column is equipped with spray column water inlet, wherein is additionally provided with water between the spray water tank and spray column Pump, the both ends of the water pump are separately connected the spray water tank and the spray column water inlet.
5. carrying the steel structure paint finishing of purification function as claimed in claim 4, which is characterized in that set in the spray water tank There are inhalant region, primary sedimentation area, secondary precipitation area and race way.
6. carrying the steel structure paint finishing of purification function as described in claim 1, which is characterized in that from institute in the reactant It states photodissociation air inlet and is equipped with pretreating zone, photolysis area and plasma reaction area successively to the photodissociation gas outlet.
7. carrying the steel structure paint finishing of purification function as claimed in claim 6, which is characterized in that the pretreating zone includes Guide layer and water accepting layer;The photolysis area includes active catalytic floor and the photodissociation Catalytic Layer being spaced apart and photocatalyst layer; The plasma reaction area includes high pressure plasma floor.
8. carrying the steel structure paint finishing of purification function as described in claim 1, which is characterized in that the photolysis area Detection device is additionally provided at photodissociation gas outlet, the detection device detection is arranged from the photodissociation gas outlet in the photolysis area Whether the gas gone out reaches discharge standard.
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