GRAIN FILTER Russian patent published in 1995 - IPC

FIELD: dust separation. SUBSTANCE: filter has case with gas-supply, gas-removal and dust-removal branch-pipes, filtering pack, which separates the internal space of case to dusted and clean gas chambers. The pack has set of cassettes, which are filled with grainy material and connected together by gas-proof partitions. Smaller bases of the partitions adjoin internal wall of the cassette, disposed lower. Gas distributors is located in cleaned gas chamber and mounted in a space relation to filtering pack. Gas distributors is made in form of a set of triangular section rings, which are disposed above the cassettes of filtering unit. As a result, hydraulic loss is reduced. EFFECT: improved efficiency of operation of the filter. 2 cl, 1 dwg