High-temperature tail gas waste heat recovery device and system for thermal power plant

The utility model discloses a high-temperature tail gas waste heat recovery device for a thermal power plant and a system of the high-temperature tail gas waste heat recovery device, and relates to the technical field of thermal power plant equipment. The filtering assembly is connected to one end of the flue, and the flue is provided with the heat exchange assembly. The circulating unit comprises a smoke circulating assembly and a water circulating assembly; the smoke circulation assembly is located at one end of the heat exchange assembly, and the water circulation assembly is located at the other end of the heat exchange assembly. According to the device, high-temperature tail gas can be exhausted into the heat exchange assembly through the smoke exhaust pipeline, waste heat in the high-temperature tail gas is recycled and utilized through the heat exchange assembly, and cold water entering the heat exchange assembly is heated through the waste heat in the tail gas; and in the process of introducing the hi