Gas stove waste heat recycling device

The utility model discloses a waste heat recycling device of a gas stove, which relates to the technical field of waste heat recovery and comprises a shell, a combustion box is fixedly connected to the top surface of an inner cavity of the shell, a cooking bench is fixedly mounted in the combustion box and connected with a gas pipeline, a heat exchanger is fixedly connected to the rear side of the inner cavity of the shell through screws, and the heat exchanger is fixedly connected with the top surface of the inner cavity of the shell. The heat exchanger comprises an inner box body and an outer box body, an inner cavity of the outer box body is fixedly connected with the inner box body through screws, the inner cavity of the inner box body is fixedly connected with a plurality of heat absorbing plates which are arranged at equal intervals from top to bottom, and the side, close to the combustion box, of the inner box body is fixedly connected with a smoke pipeline; and the top surface of the inner box body is