Carbon dioxide trapping and recycling device

The utility model provides a carbon dioxide gathering and recycling device which comprises a transmission rod, an air guide shell, air supply fan blades and blades, the transmission rod is arranged in a flow guide volute, the air supply fan blades are installed at the right end of the transmission rod, and the blades are arranged on the left side of the annular side face of the transmission rod. In the downward flowing process of water in the flow guide volute, blades can be driven to rotate, the blades can drive a transmission rod to rotate, the transmission rod can drive air supply fan blades to rotate, at the moment, negative pressure can be generated in the air guide shell, and waste gas which is sprayed and purified in the spraying box body is sucked; and then the waste gas is blown into the purification box through the air guide shell to be filtered and purified again, and the waste gas can be actively blown into the purification box, so that the filtering efficiency of the purification box is improved.