FIELD: dry cleaning of air and gases from dust particles. SUBSTANCE: dust collector has tube plates installed horizontally over and under minicyclones and inlet branch pipe. Cross section of minicyclones is 20 - 100-fold less than cross section of hoses and their number is 5 - 20-fold greater than number of hoses. Minicyclones are made in form of coaxially installed tubes and are furnished with screw swirlers located in clearance between tubes. EFFECT: improved cleaning of air and gases. 3 cl, 2 dwg
