Waste-heat utilization device for multifunctional stove

The utility model discloses a waste-heat utilization device for a multifunctional stove. The waste-heat utilization device comprises a wok, a heat transmission pipe coil and a bracket, wherein the heat transmission pipe coil is immersed in the water in the wok. The time of using gas for steaming rice is longer than that of using fire for frying during the application of the multifunctional stove, so that as long as the gas for steaming rice is not stopped, addition of fuel for fire in the furnace chamber is required. The waste-heat utilization device is designed for full and rational use of the heat of the multifunctional stove, is simple in structure, convenient to operate, and high in heat efficiency, improves hot water generation quantity of the multifunctional stove, saves fuel, and provides convenience for life.