The bag filter is a dry dust filter. It is suitable for collecting small, dry, non-fibrous dust. The filter bag is made of woven filter cloth or non-woven felt. The filtering effect of the fiber fabric is used to filter the dust-containing gas. When the dust-containing gas enters the bag type dust collector, the dust with large particles and large specific gravity is due to gravity. The function settles down and falls into the ash hopper. When the gas containing fine dust passes through the filter material, the dust is blocked and the gas is purified.
The high dust removal efficiency of the bag filter is inseparable from its dust removal mechanism. Dust-containing gas enters the ash hopper from the lower part of the dust collector and enters the ash hopper through the deflector.
The filter type dust collector includes a bag type dust collector and a particle layer dust collector. The former usually uses a filter bag made of organic fiber or inorganic fiber fabric as the filter layer, and the latter filter layer mostly uses particles of different particle sizes, such as quartz sand, It consists of river sand, ceramsite, slag, etc. As the powder is repeatedly attached to the outer surface of the filter bag, the powder layer continues to thicken, and the resistance value of the bag dust collector also increases; the pulse valve diaphragm sends a command, the pulse valve opens when left and right submerged, and the compression in the high-pressure air bag The air is ventilated. If there is no dust or it is small enough, the mechanical cleaning will stop working.