FILTER FOR AIR PURIFICATION FROM DUST Russian patent published in 1996 - IPC

FIELD: gasses purification. SUBSTANCE: filter has sectional body with inlet and outlet branch pipes and chute, in which collecting dust sluice shutter with discharging branch pipe is mounted; fabric filtering members, upper part of which communicates with outlet branch pipe provided with reverse blowing through valve with common drive made in the form of crank shaft, on which connected with the valve and inlet valve drive mechanism lever system is mounted. Inlet valve drive mechanism is made in the form of flexible connection link with load and lever, linked to axis of inlet valve. Chamber of reverse blowing through valve and chamber of sluice shutter of discharging branch pipe are connected to each other by air pipeline, that provides alternating operation of sluice gate shutters and discharge of dust from collecting chute. Driving of shaft is exercised by blade wheel, with which fixed on shaft of gear box follower is periodically engaged. In the case in series opening and shutting of reverse blowing through valves of each section of filter. EFFECT: improved process of gasses purification. 5 cl, 11 dwg