Patent ID: 6946022
Filing Date: 2005-09-20
Classification: B01D,F23J

Abstract:
1. An exhaust gas treatment apparatus for treating an exhaust gas containing dust, comprising: a scrubber for removing the dust from the exhaust gas; a mist collector provided at the downstream side of said scrubber for trapping and collecting a mist contained in the exhaust gas; and a heat exchanger provided at the downstream side of said mist collector for cooling the exhaust gas to a temperature equal to or lower than a predetermined temperature; wherein said scrubber comprises a casing having an exhaust gas inlet and an exhaust gas outlet, an impeller housed in said casing and supported by a shaft, a cleaning liquid supply tube for ejecting a cleaning liquid by which the dust contained in the exhaust gas is captured, and a plurality of protrusions provided around said impeller such that the exhaust gas and the cleaning liquid which are discharged from said impeller impinge upon said protrusions; and further comprising a dilution gas supply device for supplying a dilution gas into the exhaust gas at the downstream side of said mist collector or said heat exchanger.