Circulating mechanism for recycling heat energy of high-temperature flue gas for heat supply

The utility model relates to the technical field of heat energy recovery, and provides a circulating mechanism for high-temperature flue gas heat energy recovery heat supply, which comprises a bottom plate, a plurality of support columns are uniformly and fixedly connected to the upper end of the bottom plate, a water tank is fixedly connected to the upper ends of the support columns, a heat conduction pipe is fixedly connected inside the water tank, and the bottom end and the upper end of the water tank are respectively communicated with a water inlet pipe and a water outlet pipe; the upper end of the heat conduction pipe communicates with a flue gas treatment box, the bottom end of the heat conduction pipe communicates with a flue gas filtering box, the flue gas filtering box is fixedly connected with the bottom plate, and a plurality of filtering plates are evenly and fixedly connected into the flue gas filtering box; the bottom end of the water tank is provided with a water suction mechanism for enabling