Gas purification device

The invention relates to a gas purification device which comprises at least one piece of gas-liquid flow mixing equipment, wherein each piece of gas-liquid flow mixing equipment is provided with a frame body; the frame body is provided with a flow mixing pipe and an inner pipe group positioned in the flow mixing pipe; a first-stage flow mixing blade is arranged in the inner pipe group; the inner pipe group forms an air flow passage and a water flow passage through which air and water can respectively flow into the inner pipe group; the flow mixing pipe is provided with an exhaust opening; a second-stage flow mixing blade is arranged at the inside; a driving unit can be connected with the first-stage flow mixing blade and the second-stage flow mixing blade and can drive the first-stage flow mixing blade and the second-stage flow mixing blade; the air and the water are pushed to the position of the second-stage flow mixing blade through the first-stage flow mixing blade so that the air is crushed to the small s