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Clean booth decontamination method (1)
Clean booth decontamination method (1)I. Physical purification of clean booths1. Adsorptive filtration - activated carbon Activated carbon is a kind of porous carbonaceous material, it has a highly developed pore structure, the porous structure of activated carbon provides it with a large amount of surface area, which can be fully contacted with the gas (impurity), thus granting the adsorption performance of activated carbon, making it very easy to achieve the purpose of absorbing and collecting impurities. Like magnetism, all the molecules have mutual attraction. 2. Mechanical filtration - HEPA mesh HEPA for zero point three-micron effective rate of 99.998%, HEPA mesh features air can pass, but fine particles can not pass. HEPA filter by a stack of continuous folded before and after the formation of sub-glass fiber membrane, constituting a wave-like gasket used to place and support the filtering boundary quality. II. Clean booth of electrostatic purification method Selection of high-voltage electrostatic adsorption dust removal principle. Electrostatic is the choice of high-voltage electrostatic adsorption dust removal working principle. The electrostatic field in the cathode in the high-voltage electrostatic effect, resulting in a corona discharge, the corona layer constitutes a large number of negative ions, negative ions in the electrostatic field under the effect, one after another to the anode movement. When the dust in the air with the help of the electric field, the dust by the negative ions collision with the charge, with the charge of the dust will be the same as the role of the electrostatic field, to the anode (dust collection pole) movement, arriving at the anode after the release of the charge. |
