Particulate pollutant removal from effluent gases comprises feeding them through reducing taper, spiral duct formed with vortex pockets, to tangential inlet of cyclone separator

摘要

Harmful particulate pollutants are removed by feeding effluent gases through a reducing taper, spiral duct, of circular or oval section, to the tangential inlet of a cyclone separator. A fan (6) abstracts fine particles via vortex chambers (4, 5) formed in the upper wall surface of the duct, for separation by a filter (7). An independent claim is included for an arrangement for separating particulates from air or gas streams.