Manufacturer of spray paint room shares the processing technique of waste gas of spray paint room to you

To all sorts of types, The method of organic off-gas treatment with spray paint different and characteristic off-gas treatment, have water sparge way commonly usedly, condensation, absorb a law, combustion synthesis, catalysis, adsorptive.

1, water sparge law: Technology of sparge of water of spray paint off-gas treatment applies extensively at air to pollute processing, already applied in spray process, ark of the shade that be like water is exemple, its principle is to pass water to spray in exhaust emission, water-solubility or big grain sedimentation, achieve the goal with contaminant, clean detached gas. This practical and new-style have advantage of simple water natural resources, after same time precipitation filters, can repeat use, reduce the waste of water natural resources, water gush is handling a when big grain comprises very tall efficiency, use at the pretreatment of off-gas treatment normally. Inhaler

2, abandon gas condensation standard: Direct condensation or adsorption condense spray paint off-gas treatment after condensation, the organic matter that carries depart and value reclaims condensate. This method uses Yu Gaonong to spend, microtherm is spent, off-gas treatment wind force is small. But investment is large, specific power consumption is tall, moving cost is high, do not have special requirement so, do not use this kind of method commonly.

3, adsorption of spray paint off-gas treatment can be divided for chemical adsorption and physisorption, but ” 3 benzene ” active of waste gas chemistry is low, do not use chemistry to absorb commonly. Physics absorbs fluid less volatile, the part that it draws has taller affinity heat, refrigeration and recycle analysis saturation are absorbed. This method is used at capacity, microtherm is spent, low density. Installation is complex, investment is large, the choice that absorbs fluid is more difficult, have two pollution.

4, direct flaming method: Use oil or natural gas heat as auxiliary fuel combustion mixture heats constant temperature (700 ℃ – 800 ℃ ) , time stops certain, the harmful gas that fuel combustion produces. This method craft is simple, installation cost is low, but specific power consumption is tall, moving cost is high.

5, catalytic combustion law: Spray paint off-gas treatmentWaste gas heats 200 ℃ — 300 ℃ catalytic combustion, achieve depurative goal. The method of feebleminded bad news, purifying rate is high, do not have pollution 2 times, craft is simple, the operation is convenient. High temperature, Gao Nong spends organic off-gas treatment the processing of organic waste gas, do not apply to low density, wind force is large.

6, adsorptive law:

(1) : Pass activated carbon directly direct and adsorptive organic gas, achieve purifying rate 95% , equipment is simple, investment is small, the operation is convenient, but need often changes active carbon, low density contaminant, without restore.

(2) adsorptive law: Organic gas is in activated carbon is adsorptive, desorption of air of activated carbon saturation and second birth. Through comparing, basis of spray paint off-gas treatment produces the regulation of characteristic and company, our company should use gush water pretreatment (basically handle Qi Wu, coating) , the deepness of the adsorption of organic waste gas and catalytic combustion process purifies the company processing of desorption.

Design process describes the data that provides according to owner, ark of 6 spray paint deploys a 22000 fan each, invest considering economic initial stage, the design used system of an off-gas treatment, the pretreatment of spray paint implement enter dust of conduit of water sparge room to handle the first, the adsorptive bed adsorption that goes up in activated carbon next is purified discharge; Active carbon saturation heats up air to generate the desorption of CO2 and H2O from catalytic combustion of organic waste gas, discharge a standard.

Manufacturer of spray paint room is shared to youSpray paint room off-gas treatment method, off-gas treatment seeks spray paint room environmental protection of Zhejiang grand rich!