GRAVITY-INERTIA DEDUSTER Russian patent published in 1999 - IPC

FIELD: air purification of solid dust particles in the industry of building materials, at asphalt concrete and reinforced-concrete plants, may be applicable for mining and other branches of industry. SUBSTANCE: deduster has a casing, feeding and discharge pipe connections, hopper; in addition it is furnished with two volute chambers spinning the dusty gas flow, changing into the feeding pipe connection made in the form of a bent curvilinear channel, shaped blades installed in the casing inlet for control, staggered angle-type shut-off devices of the hopper zone; the discharge pipe connection is furnished with a static flow swirler of four fastened convex impellers and slots with deflected blades for control of the gas flow coming out of the deduster due to the controller turning the cylinder, thus closing the slots, and a diaphragm located above the static swirler of four impellers for control of the deduster from the outside. EFFECT: enhanced efficiency of catching of solid dust particles. 8 dwg