GAS PURIFICATION FILTER Russian patent published in 1994 - IPC

FIELD: dry cleaning of gases from mechanical impurities. SUBSTANCE: filter has filtering chamber 1, device for generation of falling flows of filtering material in the form of distillation grid plate 4 with longitudinal grooves 5, and acceleration guiding boxes 8 mounted on outlet of each longitudinal groove 5. Filtering material moving on inner wall of channel of boxes 8 increases its speed and with further tree fall crosses speed flow of gas in filtering chamber in the form of gas-permeable blinds. EFFECT: reduced hydraulic resistance to passage of waste gases. 3 cl, 4 dwg