Aramid filter bag is an ideal and widely used filter material for flue gas dust removal in steel, cement, electric power, chemical and other industries, but the existing aramid filter bag is a single cylindrical filter bag, and the smoke and dust are in the filter bag. The filter path is too long, the filter area is small, and the floor area is large. At the same time, it is extremely inconvenient to clean the internal dust.
The utility model discloses an aramid filter bag with effective filtration structure, high dust removal efficiency and convenient dust cleaning.
Design of double-tube filter bag with aramid fabric, divided into inner bag and outer bag, the diameter of the inner bag is smaller than the diameter of the outer bag diameter, the length of the inner bag is smaller than the length of the outer bag; the inner bag and the outer bag are sealed and connected at the same side through an annular filter cloth; the opening of the other end of the inner bag is sealed and arranged; the double-layer sleeve aramid filter bag structure increases smoke and dust filtration The area of the filter bag is reduced, and the pull-out design of the inner cylinder is convenient for the cleaning efficiency of the internal dust.