CN102784550B - System for treatment of spraying organic waste gas by circulating liquid curtain - Google Patents
System for treatment of spraying organic waste gas by circulating liquid curtain Download PDFInfo
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- CN102784550B CN102784550B CN201210307714.8A CN201210307714A CN102784550B CN 102784550 B CN102784550 B CN 102784550B CN 201210307714 A CN201210307714 A CN 201210307714A CN 102784550 B CN102784550 B CN 102784550B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention relates to a system for treatment of spraying organic waste gas by a circulating liquid curtain, in particular to a device for treatment of sticky paint and coating particles and organic waste gas during construction of coating industry. The system comprises a circulating liquid curtain type spraying table, an organic waste gas low-temperature plasma and photocatalyst waste gas treatment device, an organic waste gas active carbon treatment device, and an organic waste gas treatment device with a gas phase oxidation process. The system is characterized in that: the sticky paint particles, which are not adhered to a coated object during painting construction, are treated by using the circulating liquid curtain, so that the sticky paint particles are no longer sticky and become powder, and also baffle paint coating dust; organic waste gas enters the organic waste gas low-temperature plasma and photocatalyst waste gas treatment device, the organic waste gas active carbon adsorption device and the organic waste gas treatment device with the gas phase oxidation process, through splitting action of low-temperature plasmas, organic waste gas molecular groups are oxidized by ozone to generate carbon dioxide and water, and then enters a photolytic purification stage to form dual-stage purification of carbon dioxide and water, in this way, spraying organic waste gas is guaranteed to reach the standard of purification and also reach the national emission standard.
Description
Technical field
What the present invention relates to is a kind of circulation fluid curtain spraying organic waste gas treatment system, is that a kind of paint industry construction paint, coating sticky particle are administered and VOCs treatment device.
Background technology
The waste gas that industrial activity produces is one of source of contaminated environment.The voc(triphen that the work post of spraying paint work progress oil paint volatilization produces) etc. VOCs treatment, is generally used " combustion method " and " active carbon adsorption ".The former does not generally use because cost is excessive, and the latter is one of conventional method.But often only rest on the projects acceptance phase that starts, in the waste gas such as benzene,toluene,xylene that while constructing during the real greatest difficulty of using, paint volatilization produces, carry sticky particle secretly.Can not meet the needed cleaning ambient of various emission-control equipments, as the active carbon in active carbon absorption plant, often by oiliness particle adhesion, be become piece, accelerate to cause secondary pollution.The row of stealing and in line present situation that formation cannot economically be used continuously, often give the supervision of environmental administration of government and produce and administer the enterprise operation polluting and cause very large puzzlement.
Summary of the invention
The present invention seeks to provides a kind of circulation fluid curtain spraying organic waste gas treatment system for above-mentioned weak point, by circulation fluid curtain, to adhering to the part paint sticky particle thing of coated article in the construction of spraying paint, do not administer, make it to lose viscosity and become powdery, through liquid barrier and netted replaceable division board, to paint and be coated with dirt barrier, for organic waste gas treatment equipment provides not the organic exhaust gas with sticky particle thing, with the organic exhaust gas of sticky particle thing, do not enter organic exhaust gas low-temperature plasma and the photocatalyst exhaust-gas treatment dress of organic waste gas treatment device, organic exhaust gas active-carbon adsorbent equipment and vapour phase oxidation process organic waste gas treatment device, organic exhaust gas micel is under low-temperature plasma splitting action, by the open loop of triphen scission of link, be decomposed into subset, by ozone oxidation, become carbon dioxide and water, the small-sized organic molecule group not decomposed completely, enter photodissociation cleansing phase, by length ultraviolet line scission of link, forming carbon dioxide and water twin-stage purifies, guaranteed the purification up to standard of spraying organic exhaust gas, reach discharging standards.
Spray paint work post construction of solution produces organic exhaust gas and affects because of carrying sticky particle secretly the present situation that waste gas treatment equipment could normally use and cause secondary pollution, for blowdown improvement provides a set of low cost movement up to standard to avoid producing the equipment of secondary pollution.
Circulation fluid curtain spraying organic waste gas treatment system is realized by the following technical solutions:
Circulation fluid curtain spraying organic waste gas treatment system comprises the spraying of circulation fluid curtain formula platform, organic exhaust gas low-temperature plasma and photocatalyst emission-control equipment, organic exhaust gas active-carbon treating apparatus and vapour phase oxidation process organic waste gas treatment device.
Circulation fluid curtain formula spraying platform comprise casing, motor, blower fan, suspended hood, overfall one, liquid curtain plate one, dentation curtain along one, deflector one, liquid bath, workbench, recycle liquid pump, hold liquid case, inlet, circulation fluid pipe, distribution box, deflector two, dentation curtain along two, liquid curtain plate two, overfall two, liquid bath overfall, liquid barrier, netted replaceable division board, clean-up port, circulation fluid case one, circulation fluid case two, blowoff valve, fluid infusion mouth and casing exhausting duct.
Workbench can be arranged in casing, or is arranged in another spraying box and is communicated with casing by air supply duct.Casing top is provided with suspended hood, and blower fan and motor are equipped with in suspended hood top or rear portion, and motor output shaft is connected with fan shaft, the work of driven by motor blower fan.The fan outlet of circulation fluid curtain formula spraying platform is connected with the air inlet one of organic exhaust gas low-temperature plasma and photocatalyst emission-control equipment by connecting pipe;
Box inside rear portion is provided with liquid curtain plate one, liquid curtain plate two, liquid curtain plate one top is provided with circulation fluid case one, circulation fluid case one is provided with overfall one, the circulation fluid Direct Uniform trickling of overfall one overflow is on liquid curtain plate one, liquid curtain plate two tops are provided with circulation fluid case two, circulation fluid case one is provided with overfall two, and the circulation fluid Direct Uniform trickling of overfall two overflows is on liquid curtain plate two.Liquid curtain plate one bottom is provided with dentation curtain along one, and deflector one is housed.Liquid curtain plate two bottoms are provided with dentation curtain along two, and deflector two is housed.Lower box is provided with liquid bath, in liquid bath one side, is provided with liquid bath overfall.
Box inside liquid curtain plate one rear portion is provided with casing exhausting duct, in casing exhausting duct, liquid barrier is installed, casing exhausting duct is connected with suspended hood, casing exhausting duct air outlet is provided with netted replaceable division board, through liquid barrier and netted replaceable division board, to paint and be coated with dirt barrier, for organic waste gas treatment equipment provides not the organic exhaust gas with sticky particle thing.
In casing outside, be provided with and hold liquid case, liquid bath overfall with hold liquid case and be communicated with, hold liquid case and be provided with inlet, for supplying, hold liquid case liquid, maintenance liquid level.
Hold liquid case one side recycle liquid pump be installed, recycle liquid pump inlet by pipeline with hold liquid case and be communicated with, recycle liquid pump liquid outlet is connected with circulation fluid case one and circulation fluid case two respectively by circulation fluid pipe.
Described casing top or rear portion are at least provided with a Fans and a motor.
Liquid-controlling valve one, liquid-controlling valve two are housed respectively, for controlled circulation liquid case one and circulation fluid case two feed liquor amounts, to keep certain liquid level on described circulation fluid pipe.
Liquid-controlling valve three is housed in the input duct of described recycle liquid pump.
Blowoff valve is equipped with in the described liquid case bottom of holding, for holding the blowdown of liquid case.
The described liquid holding in liquid case adopts water, oil or anti-icing fluid etc.
Organic exhaust gas low-temperature plasma and photocatalyst emission-control equipment are by low-temperature plasma generator power supply, UV photocatalyst power supply, clarifier casing, lower margin, extensive screen pack and trench plate, hermatic door, air inlet one, gas outlet one, low-temperature plasma power module, UV optical catalyst module, cellular activated carbon screen pack, screen pack guide groove, low-temperature plasma electrode module guide rail, UV optical catalyst module guide rail, photocatalyst net, UV photocatalyst fluorescent tube, plasma pulse power supply, earth electrode, block media, high-field electrode, discharging gap forms.
In clarifier casing, be provided with two process chambers, Liang Ge process chamber UNICOM, in one of them process chamber, by low-temperature plasma electrode module guide rails assembling, there is low-temperature plasma electrode module, another process chamber has UV optical catalyst module by UV optical catalyst module guide rails assembling, low-temperature plasma generator power supply and UV photocatalyst power supply are installed in clarifier casing one end, and hermatic door is housed, low-temperature plasma generator power supply is connected with low-temperature plasma electrode module by wire, for low-temperature plasma electrode module provides power supply.UV photocatalyst power supply is connected with UV optical catalyst module by wire, for UV optical catalyst module provides power supply.
At clarifier casing, near low-temperature plasma electrode module arranged outside, there is air inlet one, primary filter net and homogenizing plate are installed on air inlet one, at clarifier casing, near UV optical catalyst module arranged outside, have gas outlet one.The gas outlet one of organic exhaust gas low-temperature plasma and photocatalyst emission-control equipment is connected with the air inlet two of organic exhaust gas active-carbon treating apparatus by pipeline.
Low-temperature plasma electrode module is provided with high-field electrode, earth electrode, and block media is housed, and between high-field electrode and earth electrode, is provided with discharging gap, and high-field electrode is connected with plasma pulse power supply respectively by wire with earth electrode.
UV optical catalyst module is provided with UV photocatalyst fluorescent tube, in UV photocatalyst fluorescent tube outside, photocatalyst net is installed.
Described clarifier bottom half is equipped with lower margin.
Organic exhaust gas active-carbon treating apparatus is by air inlet two, gas outlet two, active carbon drawer module, quick clip, charcoal treatment casing, obstruct net, and outlet labyrinth baffle plate, drawer module handle, lower margin, access door, active carbon, import labyrinth baffle plate, cross flow proof dividing plate, support keel, drawer module track, cylindrical particle active carbon, netted collet form.
In charcoal treatment casing, by drawer module track, several active carbon drawer module are installed, active carbon drawer module is fixed on charcoal treatment casing by quick clip, active carbon drawer module bottom is provided with netted collet, drawer front is equipped with drawer module handle, in active carbon drawer module, active carbon is housed, in charcoal treatment casing one side, be provided with air inlet two, at charcoal treatment casing opposite side, be provided with air inlet two, at charcoal treatment casing opposite side, be provided with gas outlet two.Air inlet two at charcoal treatment casing is provided with obstruct net and air inlet labyrinth baffle plate, in the gas outlet two of charcoal treatment casing, is provided with labyrinth, gas outlet baffle plate.The gas outlet two-way piping of organic exhaust gas active-carbon treating apparatus is connected with the air inlet three of vapour phase oxidation process organic waste gas treatment device.
Charcoal treatment casing inner top and bottom are provided with support keel, on charcoal treatment casing top, access door are installed, and in charcoal treatment bottom half, lower margin are installed.
Vapour phase oxidation process organic waste gas treatment device has spray column, liquid medicine water storage box, is provided with filler room in spray column, and filler is equipped with filler in room.Spray column bottom is provided with air inlet three, and spray column top is provided with gas outlet three, by pipeline, is connected with fan inlet, and fan out draft is connected with clean aiutage.
In spray column bottom, be provided with circulation fluid outlet, by pipeline, water outlet valve be installed, spray column tower body bottom is provided with liquid medicine water storage box.Circulation fluid outlet is communicated with liquid medicine water storage box by water outlet valve, outlet pipe.
Water pump is arranged on spray column one side, pump intake is connected with liquid medicine water storage box by pipeline, pump outlet enters spray column top by circulation fluid pipeline communication, on the circulation fluid pipeline in spray column, is provided with mouth spray, on pump outlet circulation fluid pipeline, water inlet valve is installed.
Circulation fluid curtain spraying organic waste gas treatment system is reasonable in design, by circulation fluid curtain, to adhering to the part paint sticky particle thing of coated article in the construction of spraying paint, do not administer, make it to lose viscosity and become powdery, through liquid barrier and netted replaceable division board, to paint and be coated with dirt barrier, for organic waste gas treatment equipment provides not the organic exhaust gas with sticky particle thing, with the organic exhaust gas of sticky particle thing, do not enter organic exhaust gas low-temperature plasma and the photocatalyst emission-control equipment of organic waste gas treatment device, organic exhaust gas active-carbon adsorbent equipment and vapour phase oxidation process organic waste gas treatment device, organic exhaust gas micel is under low-temperature plasma splitting action, by the open loop of triphen scission of link, be decomposed into subset, by ozone oxidation carbon dioxide and water, the small-sized organic molecule group not decomposed completely, enter photodissociation cleansing phase, by length ultraviolet line scission of link, forming carbon dioxide and water twin-stage purifies, guaranteed the purification up to standard of spraying organic exhaust gas, reach discharging standards.
Accompanying drawing explanation
Below with reference to accompanying drawing, the invention will be further described:
Fig. 1 is circulation fluid curtain spraying organic waste gas treatment system embodiment 1 of the present invention.
Fig. 2 is circulation fluid curtain spraying organic waste gas treatment system embodiment 2 of the present invention.
Fig. 3 is circulation fluid curtain formula spraying platform structural front view of the present invention.
Fig. 4 is circulation fluid curtain formula spraying platform structure left view of the present invention.
Fig. 5 is circulation fluid curtain formula spraying platform structure right view of the present invention.
Fig. 6 is organic exhaust gas low-temperature plasma of the present invention and photocatalyst emission-control equipment structural representation.
Fig. 7 is organic exhaust gas low-temperature plasma of the present invention and photocatalyst emission-control equipment internal structure plane.
Fig. 8 is organic exhaust gas low-temperature plasma of the present invention and photocatalyst emission-control equipment internal structure front elevation.
Fig. 9 is the UV optical catalyst module structural plan figure of organic exhaust gas low-temperature plasma of the present invention and photocatalyst emission-control equipment.
Figure 10 is the low-temperature plasma electrode module structural representation of the UV optical catalyst module of organic exhaust gas low-temperature plasma of the present invention and photocatalyst emission-control equipment.
Figure 11 is organic exhaust gas active-carbon treating apparatus structural representation of the present invention.
Figure 12 is organic exhaust gas active-carbon treating apparatus internal framework schematic diagram of the present invention.
Figure 13 is the active carbon drawer module structural representation of organic exhaust gas active-carbon treating apparatus of the present invention.
Figure 14 is the charcoal absorption schematic diagram of organic exhaust gas active-carbon treating apparatus of the present invention.
Figure 15 is vapour phase oxidation process organic waste gas treatment device structural representation of the present invention.
The specific embodiment
With reference to accompanying drawing 1～15, circulation fluid curtain spraying organic waste gas treatment system comprises the spraying of circulation fluid curtain formula platform 1, organic exhaust gas low-temperature plasma and photocatalyst emission-control equipment 3, organic exhaust gas active-carbon treating apparatus 4 and vapour phase oxidation process organic waste gas treatment device 5.
Circulation fluid curtain formula spraying platform 1 comprises casing 1-1, motor 1-2, blower fan 1-3, suspended hood 1-4, overfall one 1-5, liquid curtain plate one 1-6, dentation curtain is along a 1-7, deflector one 1-8, liquid bath 1-9, workbench 1-10, recycle liquid pump 1-11, hold liquid case 1-12, inlet 1-13, circulation fluid pipe 1-14, distribution box 1-15, deflector two 1-16, dentation curtain is along two 1-17, liquid curtain plate two 1-18, overfall two 1-19, liquid bath overfall 1-20, liquid barrier 1-21, netted replaceable division board 1-22, clean-up port 1-23, circulation fluid case one 1-24, circulation fluid case two 1-25, blowoff valve 1-26, fluid infusion mouth 1-27, casing exhausting duct 1-28, liquid-controlling valve one 1-29, liquid-controlling valve two 1-30 and liquid-controlling valve three 1-31.
Workbench 1-11 can be arranged in casing 1-1, or is arranged in another spraying box and is communicated with casing 1-1 by air supply duct 8.Casing 1-1 top is provided with suspended hood 1-4, and suspended hood 1-4 is equipped with on top blower fan 1-3 and motor 1-2, and motor 1-2 output shaft is connected with blower fan 1-3 axle, and motor 1-2 drives blower fan 1-3 work.Described casing 1-1 top or rear portion are at least provided with a Fans 1-3 and a motor 1-2.The blower fan 1-3 air outlet of circulation fluid curtain formula spraying platform 1 is connected with air inlet one 3-7 of organic exhaust gas low-temperature plasma and photocatalyst emission-control equipment 3 by connecting pipe 2.
Casing 1-1 inside back is provided with liquid curtain plate one 1-6, liquid curtain plate two 1-18, liquid curtain plate one 1-6 top is provided with circulation fluid case one 1-24, circulation fluid case one 1-24 is provided with overfall one 1-5, circulation fluid (liquid) the Direct Uniform trickling of overfall one 1-5 overflow is on liquid curtain plate one 1-6, liquid curtain plate two 1-18 tops are provided with circulation fluid case two 1-25, circulation fluid case one 1-25 is provided with overfall two 1-19, and the circulation fluid Direct Uniform trickling of overfall two 1-19 overflows is on liquid curtain plate two 1-18.Liquid curtain plate one 1-6 bottom is provided with dentation curtain along a 1-7, and deflector one 1-8 is housed.Liquid curtain plate two 1-18 bottoms are provided with dentation curtain along two 1-17, and deflector two 1-16 are housed.Casing 1-1 bottom is provided with liquid bath 1-9, in liquid bath 1-9 mono-side, is provided with liquid bath overfall 1-20.
Inside casing 1-1, liquid curtain plate one 1-6 rear portion is provided with casing exhausting duct 1-28, in casing exhausting duct 1-28, liquid barrier 1-21 is installed, casing exhausting duct 1-28 is connected with suspended hood 1-4, casing exhausting duct 1-28 air outlet is provided with netted replaceable division board 1-22, through liquid barrier and netted replaceable division board, to paint and be coated with dirt barrier, for organic waste gas treatment equipment provides not the organic exhaust gas with sticky particle thing.
In casing 1-1 outside, be provided with and hold liquid case 1-12, liquid bath overfall 1-20 with hold liquid case 1-12 and be communicated with, hold liquid case 1-12 and be provided with inlet 1-13, for supplying, hold liquid case 1-12 liquid, maintenance liquid level.Hold liquid case 1-12 bottom blowoff valve 1-26 is housed, for holding liquid case 1-12 blowdown.Hold liquid case 1-12 mono-side recycle liquid pump 1-12 is installed, recycle liquid pump 1-12 inlet by pipeline with hold liquid case 1-12 and be communicated with, liquid-controlling valve three 1-31 are housed in the input duct of recycle liquid pump 1-12, recycle liquid pump 1-12 liquid outlet is connected with circulation fluid case one 1-24 and circulation fluid case two 1-25 respectively by circulation fluid pipe 1-14, liquid-controlling valve one 1-29, liquid-controlling valve two 1-30 are housed respectively on circulation fluid pipe 1-14, for controlled circulation liquid case one 1-24 and circulation fluid case two 1-25 feed liquor amounts, to keep certain liquid level.
The described liquid holding in liquid case 1-12 adopts water, oil or anti-icing fluid etc.
Organic exhaust gas low-temperature plasma and photocatalyst emission-control equipment 3 are by low-temperature plasma generator power supply 3-1, UV photocatalyst power supply 3-2, clarifier casing 3-3, lower margin 3-4, extensive screen pack and trench plate 3-5, hermatic door 3-6, air inlet one 3-7, gas outlet one 3-8, low-temperature plasma power module 3-9, UV optical catalyst module 3-10, cellular activated carbon screen pack 3-11, screen pack guide groove 3-12, low-temperature plasma electrode module guide rail 3-13, UV optical catalyst module guide rail 3-14, photocatalyst net 3-1, UV photocatalyst fluorescent tube 3-16, plasma pulse power supply 3-17, earth electrode 3-18, block media 3-19, high-field electrode 3-20, discharging gap 3-21 forms.
In clarifier casing 3-3, be provided with two process chambers, Liang Ge process chamber UNICOM, in one of them process chamber, by low-temperature plasma electrode module guide rail 3-13, low-temperature plasma electrode module 3-9 is installed, another process chamber is provided with UV optical catalyst module 3-10 by UV optical catalyst module guide rail 3-14, low-temperature plasma generator power supply 3-1 and UV photocatalyst power supply 3-2 are installed in clarifier casing 3-3 one end, and hermatic door 3-6 is housed, low-temperature plasma generator power supply 3-1 is connected with low-temperature plasma electrode module 3-9 by wire, for low-temperature plasma electrode module, 3-9 provides power supply.UV photocatalyst power supply 3-2 is connected with UV optical catalyst module 3-10 by wire, and for UV optical catalyst module, 3-10 provides power supply.
At clarifier casing 3-3, near low-temperature plasma electrode module arranged outside, there is air inlet one 3-7, primary filter net and homogenizing plate 3-5 are installed on air inlet one 3-7, at clarifier casing 3-8, near UV optical catalyst module arranged outside, have gas outlet one 3-8.Gas outlet one 3-8 of organic exhaust gas low-temperature plasma and photocatalyst emission-control equipment 3 is connected with air inlet two 4-1 of organic exhaust gas active-carbon treating apparatus 4 by pipeline.
Low-temperature plasma electrode module 3-9 is provided with high-field electrode 3-20, earth electrode 3-18, and block media 3-19 is housed, between high-field electrode 3-20 and earth electrode 3-18, be provided with discharging gap 3-21, high-field electrode 3-20 is connected with plasma pulse power supply 3-17 respectively by wire with earth electrode 3-18.
UV optical catalyst module 3-10 is provided with UV photocatalyst fluorescent tube 3-16, in UV photocatalyst fluorescent tube 3-16 outside, photocatalyst net 3-15 is installed.
Lower margin is equipped with in described clarifier casing 3 bottoms.
Organic exhaust gas active-carbon treating apparatus 4 is by air inlet two 4-1, gas outlet two 4-2, active carbon drawer module 4-3, quick clip 4-4, charcoal treatment casing 4-5, obstruct net 4-6, and outlet labyrinth baffle plate 4-7, drawer module handle 4-8, lower margin 4-9, access door 4-10, active carbon 4-11, import labyrinth baffle plate 4-12, cross flow proof dividing plate 4-13, support keel 4-14, drawer module track 4-15, cylindrical particle active carbon 4-16, netted collet 4-17 form.
In charcoal treatment casing 4-5, by drawer module track 4-15, several active carbon drawer module 4-3 is installed, active carbon drawer module 4-3 is fixed on casing 4-5 by quick clip 4-4, active carbon drawer module 4-3 bottom is provided with netted collet 4-17, drawer front is equipped with drawer module handle 4-8, in active carbon drawer module 4-3, active carbon 11 is housed, in charcoal treatment casing 4-5 mono-side, be provided with air inlet two 4-1, at charcoal treatment casing 4-5 opposite side, be provided with air inlet two 4-1, at charcoal treatment casing 4-5 opposite side, be provided with gas outlet two 4-2.At air inlet two 4-1 of charcoal treatment casing 4-5, be provided with and intercept net 4-6 and air inlet labyrinth baffle plate 4-12, in the gas outlet of charcoal treatment casing 4-5, two 4-2 are provided with labyrinth, gas outlet baffle plate 4-7.Gas outlet two 4-2 of organic exhaust gas active-carbon treating apparatus 4 are connected with air inlet three 5-6 of vapour phase oxidation process organic waste gas treatment device 5 by pipeline.
Charcoal treatment casing 4-5 inner top and bottom are provided with support keel 4-14, on charcoal treatment casing 4-5 top, access door 4-10 are installed, and in charcoal treatment casing 4-14 bottom, lower margin 4-9 are installed.
Vapour phase oxidation process organic waste gas treatment device 5 has spray column 5-1, liquid medicine water storage box 5-2, is provided with filler room 5-10 in spray column 5-1, and filler is equipped with filler in room.Spray column 5-1 bottom is provided with air inlet three 5-6, and spray column 5-1 top is provided with gas outlet three 5-11, by pipeline, is connected with air-introduced machine 7 air inlets, and air-introduced machine 7 air outlets are connected with clean aiutage 6.
In spray column 5-1 bottom, be provided with circulation fluid outlet, by pipeline, water outlet valve 5-4 be installed, spray column 5-1 tower body bottom is provided with liquid medicine water storage box 5-2.Circulation fluid outlet is communicated with liquid medicine water storage box 5-2 by water outlet valve 5-4, outlet pipe 5-3.
Water pump 5-5 is arranged on spray column 5-1 mono-side, water pump 5-5 water inlet is connected with liquid medicine water storage box 5-2 by pipeline, water pump 5-5 delivery port is communicated with the top into spray column 5-1 by circulation fluid pipeline 5-7, on circulation fluid pipeline 5-7 in spray column 5-1, be provided with mouth spray 5-9, on the circulation fluid pipeline 5-7 of water pump 5-5 exit, water inlet valve 5-8 be installed.
Operation principle and product advantage
Circulation fluid curtain Paint spraying platform in circulation fluid curtain spraying organic waste gas treatment system is worked by recycle liquid pump 1-11, making to hold in liquid case 1-12 liquid delivers to circulation fluid case one 1-24 by circulation fluid pipe 1-14 and by overfall one 1-5, flow to liquid curtain plate one 1-6 and form curtain, by liquid curtain plate one 1-6, flow to dentation curtain along a 1-7, unit length moment increase and deflector one 1-8 forming curves whirlpool liquid curtain, effectively stop for the first time and in construction, do not adhere to coated article and partly paint sticky particle, what do not stop also makes it efflorescence.Working procedure is along with secondary cycle liquid curtain carries out once again like this, to be liquid deliver to circulation fluid case two 1-25 by circulation fluid pipe 1-14 flow to liquid curtain plate two 1-18 by overfall two 1-19 and forms curtains, by liquid curtain plate two 1-18, flow to dentation curtain along two 1-17, unit length moment increase and deflector two 1-16 forming curves whirlpool liquid curtains, secondary effectively stops the part paint viscosity that does not adhere to coated article in construction and has been blocked with efflorescence and crosses particle once, is again stopped and efflorescence.Through stopping of liquid barrier 1-21 and netted replaceable division board 1-22, in principle by efflorescence lose sticky paint particulate blockage, guarantee that Liao Hou road organic waste gas treatment device is processed waste gas needed clean.
The organic exhaust gas of discharging from blower fan 1-3 air outlet enters into by pipeline, road organic waste gas treatment device is further processed waste gas.
Liquid bath overfall 1-20 designs for guaranteeing the required normal liquid level of circulation fluid curtain spraying platform work, because the aqueous vapor that air quantity is carried secretly when the psychrometric difference of liquid bath and surrounding environment and work makes it in evaporation and minimizing state.Fluid infusion mouth 1-27 designs for increasing required liquid measure, and clean-up port 1-23 will be blocked the residual paint cleaning that swims in liquid bath 1-9 of isolation.
When the temperature liquid that 1-12 holds in liquid case during lower than zero degree can adopt anti-icing fluid.
The operation principle of engineering project begun newly circulation fluid curtain spraying platform VOCs treatment is: casing can provide spraying environment as required, centrifugal fan or in line blower fan provide the wind-force needing for spraying application, the part paint sticky particle of effectively having isolated not adhere to coated article in construction to N road liquid curtain plate for one of circulation, make it to lose viscosity and become powdery, through water fender and netted replaceable division board barrier, for organic waste gas treatment device provides the organic exhaust gas of not being with sticky particle thing.
Having formed operation principle that the circulation fluid curtain spraying platform VOCs treatment of construction status puts and being needs the demand of waste gas pollution control and treatment and the organic waste gas treatment device that designs to existing spraying equipment.Operation principle is: former gas outlet taps into casing air inlet, centrifugal or direct blower fan is that emission-control equipment is supplied needed wind-force, the part paint sticky particle of effectively having isolated not adhere to coated article in construction to N road liquid curtain plate for one of circulation, make it to lose viscosity and become powdery, through water fender and netted replaceable division board barrier, for organic waste gas treatment equipment provides not the organic exhaust gas with sticky particle thing.
After processing by circulation fluid curtain Paint spraying platform 1, with the organic exhaust gas of sticky particle thing, by connecting pipe 2, do not enter organic exhaust gas low-temperature plasma and photocatalyst emission-control equipment 3, organic exhaust gas micel is under low-temperature plasma splitting action, by the open loop of triphen scission of link, be decomposed into subset, by ozone oxidation, become carbon dioxide and water, the small-sized organic molecule group not decomposed completely, enter photodissociation cleansing phase, by length ultraviolet line scission of link, form carbon dioxide and water twin-stage and purify, guaranteed the purification up to standard of spraying organic exhaust gas.
Organic exhaust gas after machine waste gas low-temperature plasma and 3 processing of photocatalyst emission-control equipment enters organic exhaust gas active-carbon treating apparatus 4 and carries out charcoal absorption VOCs treatment, belong to low-temperature plasma+UV photocatalyst purified treatment compensation process, through processing gas up to standard through regulation high altitude discharge.Operation principle is: active carbon is a kind of porous carbon containing matter, it has highly developed hole structure, the loose structure of active carbon provides a large amount of surface areas for it, can fully contact with gas (impurity), thereby given active carbon peculiar absorption property, made it be very easy to reach the object that absorbs collection impurity.As magnetic force, between all molecules, all there is attractive interaction.Just because of this, a large amount of molecule on active carbon hole wall can produce powerful gravitation, thereby reach, harmful impurity is attracted to the object in aperture.
Vapour phase oxidation process organic waste gas treatment device 5 carries out the compensation process that DORC vapour phase oxidation process VOCs treatment is low-temperature plasma and UV photocatalyst purified treatment, charcoal absorption VOCs treatment.
DORC vapour phase oxidation process operation principle: in vapour phase oxidation process organic waste gas treatment device 5, be solvent for the water of exhaust-gas treatment, be equipped with oxydol H
2o
2form composite absorption liquid with DORC, DORC is that water white multiple high molecular polymerization organic solvent and catalyst, oxidant synthesize.The oxydol H that has strong oxidability
2o
2under the synergy of DORC, produce chain and pass reaction, oxydol H
2o
2along weak bond, be all cleaved into two and in working solution high speed, produce a large amount of strong oxidizing property hydroxyl radical free radicals with not matching only electronics gene, make the organic molecule Quick Oxidation in waste gas become carbon dioxide and water.
By the method for spray, the organic solvent of DORC-multiple high molecular polymerization, catalyst, oxidant are effectively absorbed poisonous, the harmful gaseous pollutant flowing in air, quick catalysis transforms and is converted into salt lipoidis innocuous substance, guaranteed the purification up to standard of spraying organic exhaust gas, the gas of discharge reaches national < < discharge standard of air pollutants > >.
Claims (5)
1. a circulation fluid curtain spraying organic waste gas treatment system, is characterized in that: comprise the spraying of circulation fluid curtain formula platform, organic exhaust gas low-temperature plasma and photocatalyst emission-control equipment, organic exhaust gas active-carbon treating apparatus and vapour phase oxidation process organic waste gas treatment device;
Circulation fluid curtain formula spraying platform comprise casing, motor, blower fan, suspended hood, overfall one, liquid curtain plate one, dentation curtain along one, deflector one, liquid bath, workbench, recycle liquid pump, hold liquid case, inlet, circulation fluid pipe, distribution box, deflector two, dentation curtain along two, liquid curtain plate two, overfall two, liquid bath overfall, liquid barrier, netted replaceable division board, clean-up port, circulation fluid case one, circulation fluid case two, blowoff valve, fluid infusion mouth and casing exhausting duct;
Workbench can be arranged in casing; Casing top is provided with suspended hood, and blower fan and motor are equipped with in suspended hood top or rear portion, and motor output shaft is connected with fan shaft, the work of driven by motor blower fan; The fan outlet of circulation fluid curtain formula spraying platform is connected with the air inlet one of organic exhaust gas low-temperature plasma and photocatalyst emission-control equipment by connecting pipe;
Box inside rear portion is provided with liquid curtain plate one, liquid curtain plate two, liquid curtain plate one top is provided with circulation fluid case one, circulation fluid case one is provided with overfall one, the circulation fluid Direct Uniform trickling of overfall one overflow is on liquid curtain plate one, liquid curtain plate two tops are provided with circulation fluid case two, circulation fluid case one is provided with overfall two, and the circulation fluid Direct Uniform trickling of overfall two overflows is on liquid curtain plate two;
Liquid curtain plate one bottom is provided with dentation curtain along one, and deflector one is housed, and liquid curtain plate two bottoms are provided with dentation curtain along two, and deflector two is housed, and lower box is provided with liquid bath, in liquid bath one side, is provided with liquid bath overfall;
Box inside liquid curtain plate one rear portion is provided with casing exhausting duct, in casing exhausting duct, liquid barrier is installed, casing exhausting duct is connected with suspended hood, casing exhausting duct air outlet is provided with netted replaceable division board, through liquid barrier and netted replaceable division board, to paint and be coated with dirt barrier, for organic waste gas treatment equipment provides not the organic exhaust gas with sticky particle thing;
In casing outside, be provided with and hold liquid case, liquid bath overfall with hold liquid case and be communicated with, hold liquid case and be provided with inlet, for supplying, hold liquid case liquid, maintenance liquid level;
Hold liquid case one side recycle liquid pump be installed, recycle liquid pump inlet by pipeline with hold liquid case and be communicated with, recycle liquid pump liquid outlet is connected with circulation fluid case one and circulation fluid case two respectively by circulation fluid pipe;
Organic exhaust gas low-temperature plasma and photocatalyst emission-control equipment are by low-temperature plasma generator power supply, UV photocatalyst power supply, clarifier casing, lower margin, extensive screen pack and trench plate, hermatic door, air inlet one, gas outlet one, low-temperature plasma power module, UV optical catalyst module, cellular activated carbon screen pack, screen pack guide groove, low-temperature plasma electrode module guide rail, UV optical catalyst module guide rail, photocatalyst net, UV photocatalyst fluorescent tube, plasma pulse power supply, earth electrode, block media, high-field electrode, discharging gap forms,
In clarifier casing, be provided with two process chambers, Liang Ge process chamber UNICOM, in one of them process chamber, by low-temperature plasma electrode module guide rails assembling, there is low-temperature plasma electrode module, another process chamber has UV optical catalyst module by UV optical catalyst module guide rails assembling, low-temperature plasma generator power supply and UV photocatalyst power supply are installed in clarifier casing one end, and hermatic door is housed, low-temperature plasma generator power supply is connected with low-temperature plasma electrode module by wire, for low-temperature plasma electrode module provides power supply, UV photocatalyst power supply is connected with UV optical catalyst module by wire, for UV optical catalyst module provides power supply,
At clarifier casing, near low-temperature plasma electrode module arranged outside, there is air inlet one, primary filter net and homogenizing plate are installed on air inlet one, at clarifier casing, near UV optical catalyst module arranged outside, have gas outlet one; The gas outlet one of organic exhaust gas low-temperature plasma and photocatalyst emission-control equipment is connected with the air inlet two of organic exhaust gas active-carbon treating apparatus by pipeline;
Organic exhaust gas active-carbon treating apparatus is by air inlet two, gas outlet two, active carbon drawer module, quick clip, charcoal treatment casing, obstruct net, and outlet labyrinth baffle plate, drawer module handle, lower margin, access door, active carbon, import labyrinth baffle plate, cross flow proof dividing plate, support keel, drawer module track, cylindrical particle active carbon, netted collet form;
In charcoal treatment casing, by drawer module track, several active carbon drawer module are installed, active carbon drawer module is fixed on casing by quick clip, active carbon drawer module bottom is provided with netted collet, drawer front is equipped with drawer module handle, in active carbon drawer module, active carbon is housed, in charcoal treatment casing one side, be provided with air inlet two, at charcoal treatment casing opposite side, be provided with air inlet two, air inlet two at charcoal treatment casing is provided with obstruct net and air inlet labyrinth baffle plate, in the gas outlet two of charcoal treatment casing, be provided with labyrinth, gas outlet baffle plate, the gas outlet two-way piping of organic exhaust gas active-carbon treating apparatus is connected with the air inlet three of vapour phase oxidation process organic waste gas treatment device,
Vapour phase oxidation process organic waste gas treatment device is by spray column, liquid medicine water storage box; In spray column, be provided with filler room, filler is equipped with filler in room; Spray column bottom is provided with air inlet three, and spray column top is provided with gas outlet three, by pipeline, is connected with fan inlet, and fan out draft is connected with clean aiutage;
In spray column bottom, be provided with circulation fluid outlet, by pipeline, water outlet valve be installed, spray column tower body bottom is provided with liquid medicine water storage box; Circulation fluid outlet is communicated with liquid medicine water storage box by water outlet valve, outlet pipe;
Water pump is arranged on spray column one side, pump intake is connected with liquid medicine water storage box by pipeline, pump outlet enters spray column top by circulation fluid pipeline communication, on the circulation fluid pipeline in spray column, is provided with mouth spray, on pump outlet circulation fluid pipeline, water inlet valve is installed;
Blowoff valve is equipped with in the liquid case bottom of holding of described circulation fluid curtain formula spraying platform, for holding the blowdown of liquid case;
Described organic exhaust gas low-temperature plasma and the low-temperature plasma electrode module of photocatalyst emission-control equipment are provided with high-field electrode, earth electrode, and block media is housed, between high-field electrode and earth electrode, be provided with discharging gap, high-field electrode is connected with plasma pulse power supply respectively by wire with earth electrode;
Described organic exhaust gas low-temperature plasma and the UV optical catalyst module of photocatalyst emission-control equipment are provided with UV photocatalyst fluorescent tube, in UV photocatalyst fluorescent tube outside, photocatalyst net are installed;
Described organic exhaust gas low-temperature plasma and the clarifier bottom half of photocatalyst emission-control equipment are equipped with lower margin;
Charcoal treatment casing inner top and the bottom of described organic exhaust gas active-carbon treating apparatus are provided with support keel, on charcoal treatment casing top, access door are installed, and lower margin is installed in bottom half.
2. circulation fluid curtain spraying organic waste gas treatment system according to claim 1, is characterized in that: casing top or the rear portion of described circulation fluid curtain formula spraying platform are at least provided with a Fans and a motor.
3. circulation fluid curtain according to claim 1 sprays organic waste gas treatment system, it is characterized in that: on the circulation fluid pipe of described circulation fluid curtain formula spraying platform, liquid-controlling valve one, liquid-controlling valve two are housed respectively, for controlled circulation liquid case one and circulation fluid case two feed liquor amounts, to keep certain liquid level.
4. circulation fluid curtain spraying organic waste gas treatment system according to claim 1, is characterized in that: in the input duct of the recycle liquid pump of described circulation fluid curtain formula spraying platform, liquid-controlling valve three is housed.
5. circulation fluid curtain spraying organic waste gas treatment system according to claim 1, is characterized in that: the liquid holding in liquid case of described circulation fluid curtain formula spraying platform adopts water, oil or anti-icing fluid.
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