Patent ID: 7479170

Claim:
An up-draft bag house apparatus with pressure pulse cleaning comprising: a dirty air inlet on an inlet face plate, an outlet face plate, an inlet plenum connected to the dirty air inlet, a hopper region connected to the inlet plenum for collecting particulate matter, a screw conveyor at the base of the hopper region for removing the collected particulate matter from the hopper region, one or more bags in a bag region connected to the hopper region, a clean air plenum connected to the bag region, one or more louver and door closure systems connected to the clean air plenum for controlling flow of air through the one or more bags, wherein one or more louvers and one or more doors allow passage of air from the clean air plenum while operating the up-draft bag house and prevent passage of air from the clean air plenum while cleaning the up-draft bag house, wherein the one or more louvers and one or more doors are opened and closed periodically for cleaning the one or more bags, and an clean air exit duct connected to the one or more louver and door systems for exhausting clean air.