Multi-energy complementary boiler

The utility model discloses a multi-energy complementary boiler, which belongs to the technical field of boilers and comprises a boiler body, a heating chamber and a heat transfer component are arranged in the boiler body and communicated with each other, a water supply tank is arranged on one side of the boiler body, and a water outlet end of the water supply tank is communicated with an inner cavity of the boiler body. A burner is fixedly connected to the pot body, and a burner nozzle of the burner is communicated with the heating chamber; the water supply tank is communicated with a solar heating assembly; a heating tank is arranged on one side of the pot body, a cavity is formed in the side wall of the heating tank, the end, away from the heat transfer assembly, of the waste heat recovery pipe is communicated with the cavity, the cavity is fixedly connected and communicated with an air outlet pipe, and the water outlet end of the heating tank is communicated with the water supply tank. According to the bo