TWO-COMPONENT GRAIN FILTER Russian patent published in 1997 - IPC

FIELD: filtration technics. SUBSTANCE: invention relates to filtration of release air to remove both dust-like (solid) fractions and gas constituent. Filter has casing consisting of polluted and purified air chambers separated by two-chamber sealed groove with loading funnels in its upper part and discharge holes in lower part. Barrier in the groove serving for separation of grainy material components protrudes beyond the groove to the extent of its width, whereas height of the groove is equal to half height of rectangular cross-section of casing. Width of polluted air chamber is equal to 0.8 to 1.0 that of purified air chamber. Slope of hopper walls should be at least 60 C. EFFECT: enhanced efficiency of filtration. 1 dwg