Patent ID: 7867305
Filing Date: 2011-01-11
Classification: B01D

Abstract:
1. A bag-filter type small deodorizing and dust collecting apparatus, comprising: a bag-filter type dust collecting part provided with a pulse-jet means for blowing dust away from an air discharging device and filters; a deodorizing part for deodorizing using deodorizing powder, in which a suction duct extending to a target apparatus for dust collection is connected to the dust collecting part, the deodorizing part being provided with an opening/closing damper mounted on the suction duct, a feed pipe provided at a position between the opening/closing damper and the dust collecting part to feed the deodorizing powder, a rotary valve for discharging the blown-away deodorizing powder from the dust collecting part by a fixed amount, a reflux pipe for refluxing the deodorizing powder from the rotary valve to the dust collecting part, a blower for refluxing the deodorizing powder to the dust collecting part through the reflux pipe, a switchover gate provided on a discharging side of the rotary valve, and branch pipes connected to the switchover gate, wherein one of the branch pipes being connected to a discharging chamber and an other of the branch pipes being connected to the reflux pipe.