Bag filter：
Bag filter is a highly efficient dry dust collector. It is to rely on fiber filter made of filter bag, more importantly, through the dust on the surface of the filter bag to clean the gas layer. Almost all of the dust in the general industry, the dust removal efficiency may reach more than 99%.
The working principle of the bag filter: the air from the lower part into the cylindrical filter bag, through the filter through the pores, the dust is blocked by the filter, through the filter of the clean air discharged from the discharge port. Deposited in the filter on the dust layer, under the action of mechanical vibration from the filter surface off, fall into the hopper. Ao Ke cloth bag filter dust, including screening, inertia collision, interception, diffusion, static electricity and gravity. Screening is one of the main dusting mechanisms of bag filter. When the dust particle size is greater than the filter between the fiber pores or filter on the deposition of dust between the pores, the dust was screened down. The usual fabric filter cloth, because the pores between the fibers is much larger than the dust particle size, so the beginning of the filter, the screening effect is very small, mainly fiber filter mechanism - inertial collision, interception, diffusion and electrostatic effects. But when the filter cloth gradually formed a layer of dust adhesion layer, the collision, diffusion and other effects become very small, but mainly by screening the role of dust or filter may be with the charge, when the two with the opposite sex Charge, the electrostatic attraction is revealed, so that the efficiency of dust filter, but it makes cleaning difficult.
In recent years, some people have been tested to filter cloth or dust charged method, to strengthen the electrostatic effect, in order to improve the efficiency of dust particles. Gravity acts only for quite a large particle. Inertial collision, interception and diffusion, should be with the fiber diameter and filter the pores to reduce the increase, so the filter fiber more thin, the more dense, the better the effect of dust.
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