Hazardous substance removing apparatus and cylindrical unit for promoting contact with hazardous substance

Abstract

A hazardous substance removing apparatus according to the present invention comprises a bath in which a liquid collecting agent collecting a hazardous substance in gaseous form is stored, a suction tower of a cylindrical or almost cylindrical shape, which suctions the hazardous substance in gaseous form from a top opening of the tower itself, blends the hazardous substance with the collecting agent injected from a plurality of nozzles arranged inside the tower itself, and sends the blend to the bath via a bottom opening of the tower itself, an emission tower which is open into the bath via a bottom opening of the tower itself, and can make emission via a top opening of the tower itself, and a pump which pumps up the collecting agent within the bath. In the suction tower, the plurality of nozzles are arranged to make the collecting agent injected from the nozzles form a flow along an inner wall.

Dependencies are inferred from the claim text.