GAS PURIFICATION FILTER Russian patent published in 1994 - IPC

FIELD: gas purification equipment. SUBSTANCE: filter has filtering chamber 1 and device 4 for generation of vertical flows of filtering material in the form of combination of distillation grid plate 8 with longitudinal grooves 9 and vertical acceleration channels 10 mounted on outlet of each longitudinal groove 9. Filtering material passing through channels 10 increases its speed and crosses filtering chamber 1 at a high speed with free fall. EFFECT: enhanced filtering capability. 2 dwg