Asphalt mixing plant bag filter basic knowledge

Asphalt mixing plant bag filter basic knowledge

Bag dust remover is the best choice for dust control equipment of asphalt mixture mixing plant. At present, the most typical asphalt mixture bag filter is a closed steel structure within the shell contains high efficiency filter dust bag composition, coupled with the ash conveying system and fan and electric control that is composed of a complete set of asphalt mixing plant dust system. Asphalt mixing plant bag filter basic technology is very simple. The main principle is the asphalt dust emissions from the production of equipment into the atmosphere before the dust through the dust box inside the fabric filter bag filter, dust can not be efficient dust bag and accumulate outside the bag.

Introduction of Flue Gas Treatment Process in Asphalt Mixing plant

1. Dust from the cylinder mixer or dryer exhaust gas through the pipe into the primary dust remover (inertial separator or cyclone), by a dust removal of coarse dust particles.

2. Through a dust collector after treatment of dust emissions from the inlet slowly into the bag filter, diffusion of air filled the entire filter chamber.

3. Dusted air flow through the suction fan through the negative pressure filter bag, dust flow through the bag while the dust accumulation in the bag outside.

4. With the accumulation of dust on the surface of the filter bag, when the dust collector resistance reaches the programmed value, the cleaning system periodically injects the high-pressure air from the top of the dust bag, and the filter bag shakes violently. Hopper, from the hopper bottom of the screw conveyor excluded.

5. The clean air filtered through the bag filter is vented to the atmosphere through an induced draft fan.

Selection of filter material for bag filter in asphalt mixing plant

Asphalt mixing plant bag filter can not only meet the latest environmental legislation in 2015 the most stringent emission standards. Bag dust collector also has a very good economic advantages, asphalt mixing plant through the bag filter dust can be recycled, that is, to protect the environment and prevent the waste of raw materials.

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