... bag bringing into fullplay of brute force of compressed air, it is a kind of large scale precipitator ... , the thickness of exhausting is low, coefficient of air leakage is low, energy consumption is little, steel ... dust in smoke gas.2. The design of air proof is adopted in the gas case, its ... inputting and outputting is compact, the resistance of the air current is less. 4. Adopting the clearing of ash ...