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Medium-effect filter with small resistance and large air volume, good filtration efficiency.
Medium-effect filter with small resistance and large air volume, good filtration efficiency.Many industrial and commercial need to build clean rooms, and the construction of clean rooms will certainly use air filters, such as air in the filter is one of them, in the filter, resistance is small air volume is typical of bag air filters, non-bag air filters 1. Interception: dust particles in the air, with the airflow for inertial motion or irregular Brownian motion or by the action of some field force and move, when the movement of the particles hits other objects, the existence of van der Waals force between objects (is the molecules and molecules, molecular groups and molecular groups of the force between) so that the particles stick to the surface of the fiber. 2. Inertia and diffusion: particles of dust in the airflow for inertial movement, when encountering the arrangement of messy fibers, the airflow changes direction, and the particles deviate from the direction due to inertia, hit the fiber, and become bonded. The larger the particle, the easier the impact, and the better the effect. Small particles of dust for irregular Brownian motion. The smaller the particles, the more violent the irregular movement, the more opportunities to hit the obstacles, and the better the filtering effect of the air filter will be. 3. Electrostatic effect: For some reason, the fibers and particles may be charged to produce an electrostatic effect. The electrostatic filter material filtration effect can be significantly improved, the reason: being electrostatic so that the dust changes the trajectory and hits the obstacles, and electrostatic so that the dust in the media sticks more firmly. 4. Chemical filtration: chemical filters are mainly selective adsorption of harmful gas molecules, activated carbon material has a large number of invisible microporous, there is a large adsorption area, the size of a grain of rice in the activated carbon, the microporous internal area of more than ten square meters. |
