Cooling and separating device for carbon dioxide purification

The utility model belongs to the field of gas purification, particularly relates to a cooling and separating device for carbon dioxide purification, and provides the following scheme aiming at the problems of poor liquidity of cooling liquid and influence on heat absorption and cooling effects of the existing device: the cooling and separating device comprises a shell, and a connecting box is bolted on the right side of the shell; the hole in the left side of the connecting box is rotationally sleeved with a rotating shaft, the left end of the rotating shaft penetrates through the hole in the right side of the shell and is fixedly sleeved with a side gear, the left side of the side gear is meshed with a transmission wheel, and the axis of the transmission wheel is fixedly sleeved with a rotating rod. The transmission mechanism drives the driven wheel to rotate through the driving wheel, the driven wheel drives the small gear to rotate through the large gear, the small gear drives the rotating rod to rotate th