DUST COLLECTOR Russian patent published in 1997 - IPC

FIELD: dry cleaning of gases from finely divided dust particles. SUBSTANCE: the offered dust collector includes cylindrical body having part of large diameter with smooth passage to initial diameter, axial inlet of swirled flow of gas located on body axis in lower part with cylindrical displacing member and baffle washer secured to displacing member. Baffle washer separates body into separation and dust collecting chambers. Bottom of dust collecting chamber is made of sectors for rotation of each sector round its own axis. Baffle washer is located at lower edge in separation chamber. Lower part of separation chamber is lowered into dust collecting chamber whose diameter exceeds that of lower edge of separation chamber. Body upper part has tangential inlet of secondary gas flow. Axial outlet passes into funnel to whose lower edge, vertical plates and horizontal screen are attached. Installed coaxially to inlet is pipe with many holes on side surface at plugged lower end for its motion in vertical direction. Secured to pipe lower end is grate, and threads are tensioned between screen and grate. EFFECT: higher efficiency. 2 dwg