UNIVERSAL DUST AND GAS COLLECTOR Russian patent published in 1998 - IPC

FIELD: deep (fine) treatment of removed air by filtration for separation of dustlike particles (solid fraction) and trapping of harmful liberations of gas component with the aim of use of treated air recirculation. SUBSTANCE: universal dust and gas collector has a casing with chambers of contaminated and clean air separated by a chute with granular material, and a bin. The feed opening of the contaminated air chamber is made in the form of a grate, which in the lower part is connected to a plate - shutoff device fencing the contaminated air chamber from the bin. Installed in the clean air chamber before the outlet is an additional cleaning filter element with sorbent for air cleaning of gas harmful impurities. The device may be furnished with an independent draught inducer (stationary or movable). EFFECT: enhanced efficiency. 3 cl, 1 dwg