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How to deal with the strong odor generated by spraying in Linyi Leather Factory
How to deal with the strong odor generated by spraying in Linyi Leather Factory
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LinyiHow to deal with the strong odor generated by spraying in leather factories
Keywords: Spray odor treatment‘
For certain process formulas, they can often be changed, so the specific pollutants generated are not fixed. The common organic solvent pollutants and waste gas components in the dry process production process include DMF, toluene, xylene, butanone, etc.
The waste gas source of the leather factory first passes through an efficient absorption tower (which absorbs dust and particulate matter to provide an excellent operating environment for activated carbon and photocatalysis) → UV photolysis equipment (which uses ultraviolet radiation to irradiate the air and produce ozone oxidation waste gas molecules, which is conducive to meeting emission standards) → high-pressure fan (which continuously extracts the waste gas from the workshop under high-pressure suction) → chimney high-altitude emission (can also be discharged at low altitude).
The main source of exhaust gas in the synthetic leather production process of leather factories is the volatilization of organic solvents, including the volatilization of resins and solvents during batching, transportation, and storage; Volatile organic compounds during coating or immersion processing; The volatilization of organic matter during heating in an oven; Volatile organic compounds during post-processing. The pollutants in exhaust gas are related to the specific process and formula composition.
Leather waste gas treatment process flow
Leather waste gas treatment process flow
The waste gas source of the leather factory first passes through an absorption tower (which absorbs dust and particulate matter to provide an excellent operating environment for activated carbon and photocatalysis) → UV photolysis equipment (which uses ultraviolet radiation to irradiate the air and produce ozone oxidation waste gas molecules, which is conducive to meeting emission standards) → high-pressure fan (which continuously extracts the waste gas from the workshop under high-pressure suction) → chimney high-altitude emission (or low altitude emission).
The impurities are first filtered out by the spray tower, and the odorous gas is quantitatively absorbed by the spray tower before being further decomposed by the photocatalytic equipment. UV photolysis has a good treatment effect on odorous substances, and can decompose more than 98% of odorous gases, especially organic waste gases. This method has good deodorization effect and can be applied to the need to eliminate various components of odorous substances to achieve good deodorization effect.
The impurities are first filtered out by the spray tower, and the odorous gas is quantitatively absorbed by the spray tower before being further decomposed by the photocatalytic equipment. UV photolysis has a good treatment effect on odorous substances, and can decompose more than 98% of odorous gases, especially organic waste gases. This method has good deodorization effect and can be applied to the need to eliminate various components of odorous substances to achieve good deodorization effect.
Spraying is a coating method that uses a spray gun or disc atomizer to disperse into uniform and fine droplets under pressure or centrifugal force, and apply them to the surface of the object being coated.
What methods can be used to solve workshop environmental problems when odor and exhaust gases are generated during the spraying process?
At a certain spraying plant, we adopted a comprehensive exhaust gas treatment device that combines photocatalytic oxidation and activated carbon adsorption. The device first uses activated carbon to adsorb dust and organic waste gas, and then uses photocatalytic equipment to perform secondary treatment on the exhaust gas treated by activated carbon adsorption. This solution is widely used in the field of waste gas treatment in printing and dyeing factories, spray painting factories, chemical factories, electronics factories, food factories, leather factories, and other industries.
Process description
Process flow: collection device - main pipeline - photocatalytic oxidation equipment - activated carbon adsorption box - variable frequency fan - chimney 15m high-altitude emission
Waste gas collection: The collected organic or non-polar waste gas that needs to be treated is sent to the photocatalytic equipment through the main pipeline.
The photocatalytic oxidation equipment and variable frequency fan adopt segmented control, and the power can be adjusted according to production needs.
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