Carbon dioxide trapping and recycling device

The utility model relates to the technical field of carbon dioxide recovery, and discloses a carbon dioxide capturing and recycling device, which solves the problem that the existing carbon dioxide capturing and recycling device is used for a long time, dust impurities after carbon dioxide is filtered are easy to accumulate on the inner wall of a treatment box, and the use of the treatment box is not facilitated. The device comprises a treatment box, a flow guide box is installed at the bottom end of the treatment box, the flow guide box is of a cone frustum structure and communicates with the treatment box, an air inlet pipe is installed on one side of the bottom of the treatment box, a flow guide pipe is installed at the bottom end of the flow guide box, a valve is installed on the flow guide pipe, and connecting blocks are symmetrically installed on the inner wall of the bottom of the treatment box; the top end of one connecting block is provided with a screw rod, and one end of the screw rod penetrating t