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Types of filter bags and dust removal methods

1. According to the shape of the cross-section of the filter bag, it is divided into flat bags (trapezoid and flat) and round bags (cylindrical).

2. According to the way of air inlet and outlet, it is divided into: lower air inlet and upper air outlet, upper air inlet and lower air outlet and direct current type.

3. According to the filtering method of the filter bag, it is divided into: external filtering and internal filtering.

4. According to the use environment of the filter bag and the temperature program, it is divided into: normal temperature, medium temperature and high temperature.

Ash cleaning method:

1. Gas cleaning: Gas cleaning is by means of high-pressure gas or external air blowing back the filter bag to remove the dust on the filter bag. Gas cleaning includes pulse blowing, reverse blowing and reverse suction.

2. Mechanical rapping for dust removal: divided into top rapping and middle rapping for dust removal (both for filter bags). It is done by periodically rapping each row of filter bags by means of mechanical rapping device. Dust on the filter bag.

3.Manual tapping: each filter bag is tapped manually to remove the dust on the filter bag.
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Post time: Dec-16-2021