Papermaking dried tail gas recycling device

The invention discloses a papermaking dried tail gas recycling device which comprises a spraying box, a water tank, a heat exchange box and a filtering box; an inner cavity of the spraying box is divided into a first cavity and a second cavity through a partition plate; vent holes are formed in the partition plate; the heat exchange box is arranged at the upper right end of the spraying box; the heat exchange box is connected with the upper right portion of the spraying box through a breather pipe, the other end of the heat exchange box is connected with a breather pipe on the top wall of theheat exchange box, the filtering box is connected with the heat exchange box through a breather pipe, the water tank is arranged on the lower portion of the heat exchange box, and the heat exchange box is connected with the top of the water tank through a water return pipe. The papermaking dried tail gas recycling device is simple in structure, the heat exchange box can recycle tail gas generatedafter papermaking drying,