AIR POLLUTION CONTROL UNIT AND AIR POLLUTION CONTROL METHOD, AND CO2 RECOVERY UNIT AND CO2 RECOVERY METHOD

摘要

Provided is a gas treatment device that brings a gas 101 containing particles and a cleaning fluid 102 into contact and collects the particles in the gas 101 containing particles, wherein the device is provided with: a gas cleaning column 104 having a gas cleaning part 103 for co-current contact of the gas 101 containing particles and the cleaning fluid 102; a gas cooling column 107 provided on the gas flow downstream side of the gas cleaning column 104 and having a gas cooling part 106 for counter-current contact of post-cleaning gas (gas after cleaning) 101a containing particles and a cooling fluid 105; and a gas linking path 108 linking the gas cleaning column 104 and the gas cooling column 107 on the lower side for introducing the post-cleaning gas 101a cleaned in the gas cleaning column 104 to the inside of the gas cooling column 107. The device is provided with an inclined plate 104c, provided at the connection opening of the gas linking path on the gas cleaning column side, for restraining gas flow.