Chlorine absorption tank

The utility model relates to the field of chemical equipment. The utility model discloses a chlorine absorption tank. The device comprises a tank body, a gas inlet pipe arranged on the side wall of the tank body, a venturi pipe connected to the gas inlet pipe, a liquid inlet pipe connected to the venturi pipe and used for injecting chlorine absorption liquid, a rotating shaft rotationally connected into the tank body, and a plurality of layers of impellers fixed to the rotating shaft. A through hole allowing the rotating shaft to penetrate is formed in the top of the tank body, one end of therotating shaft is located in the tank body, and the other end of the rotating shaft penetrates through the through hole and is located outside the tank body to be connected with a motor driving the rotating shaft to rotate. The utility model has the following advantages and effects: the venturi tube is adopted to mix chlorine-containing tail gas with chlorine absorption liquid and then spray out to form small liquid drops