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Spray booth waste gas treatment method

A technology for waste gas treatment and paint spraying room, applied in gas treatment, separation methods, chemical instruments and methods, etc., can solve the problems of high cost and poor treatment effect, and achieve the effect of improving adsorption capacity and good heat exchange effect.

Inactive Publication Date: 2021-06-11
金广恒环保技术(南京)股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a method for treating waste gas from a paint spraying room, so as to solve the problems of high cost and poor treatment effect in the process of treating waste gas from a paint spraying room in the above-mentioned background technology

Method used

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  • Spray booth waste gas treatment method

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Effect test

Embodiment 1

[0027] A method for treating waste gas in a spray booth, comprising the following steps:

[0028] Step 1: The waste gas is collected into the waste gas collection chamber through the pipeline, and then the spray paint waste gas generated during the processing is passed into the spray tower through the air pump, so as to filter out the particles in the waste gas;

[0029] Step 2: Filter the treated gas into the dry paint mist filter through the suction fan, and use the filter cotton and bag filter in the dry paint mist filter to filter out impurities and paint aerosols;

[0030] Step 3: Transport the treated exhaust gas to the activated carbon adsorption box for impurity adsorption, and the exhaust gas passes through the air distributor and activated carbon in the activated carbon adsorption box in turn;

[0031] Step 4: Pass the treated gas into the low-temperature plasma treatment box, further absorb the incompletely removed harmful particles in the gas by using fiberboard, a...

Embodiment 2

[0045] A method for treating waste gas in a spray booth, comprising the following steps:

[0046] Step 1: The waste gas is collected into the waste gas collection chamber through the pipeline, and then the spray paint waste gas generated during the processing is passed into the spray tower through the air pump, so as to filter out the particles in the waste gas;

[0047] Step 2: Filter the treated gas into the dry paint mist filter through the suction fan, and use the filter cotton and bag filter in the dry paint mist filter to filter out impurities and paint aerosols;

[0048] Step 3: Transport the treated exhaust gas to the activated carbon adsorption box for impurity adsorption, and the exhaust gas passes through the air distributor and activated carbon in the activated carbon adsorption box in turn;

[0049] Step 4: Pass the treated gas into the low-temperature plasma treatment box, further absorb the incompletely removed harmful particles in the gas by using fiberboard, a...

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Abstract

The invention discloses a spray booth waste gas treatment method, relates to the technical field of spray booth waste gas treatment, and aims to solve the problems of high cost and poor treatment effect in the existing paint spray booth waste gas treatment process. The method comprises the following steps: 1, waste gas is collected into a waste gas collecting chamber through a pipeline; 2, the treated gas enters a dry type paint mist filter through a suction ventilator to be filtered; 3, the treated waste gas is conveyed into an activated carbon adsorption box to be subjected to impurity adsorption; 4, the treated gas is introduced into a low-temperature plasma treatment box; 5, the treated gas is fed into an ultraviolet catalysis chamber to be subjected to ultraviolet photolysis catalytic oxidation treatment; 6, the treated gas is fed into a purification chamber for purification treatment; 7, in the flowing process of the water generated by spraying and filtering in the channel, the channel exchanges heat with the outside to naturally cool the wastewater; and 8, the cooled water is conveyed to a water tank for cyclic utilization.

Description

technical field [0001] The invention relates to the technical field of waste gas treatment in a paint spraying room, in particular to a method for treating waste gas in a paint spraying room. Background technique [0002] Spraying paint is a very common surface treatment process. In the widely used paints, organic solvents such as benzene, toluene, xylene and non-methane total hydrocarbons occupy a large proportion. During the process of painting and drying, these organic solvents will Volatilizes into the air to form air pollution. At present, the methods of spray paint waste gas treatment mainly include spray paint waste gas treatment activated carbon adsorption method, spray paint waste gas treatment catalytic combustion method, spray paint waste gas treatment washing absorption method, direct combustion spray paint waste gas treatment, low temperature plasma spray paint Exhaust gas treatment method. [0003] The cost of the waste gas treatment in the existing spray boot...

Claims

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Application Information

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IPC IPC(8): B01D50/00B01D53/32B01D53/75B01D53/86
CPCB01D50/00B01D53/32B01D53/75B01D53/86B01D2259/818B01D2259/804B01D2257/91B01D2258/0258B01D2255/802
Inventor 于培勇陈超陈丽许山岩王河森钱润金
Owner 金广恒环保技术(南京)股份有限公司
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