Temperature-adjustable flue gas waste heat air mixing device

The utility model relates to a flue gas waste heat air mixing device capable of adjusting temperature. The device comprises a high-temperature flue gas pipeline, a low-temperature flue gas pipeline, an air mixing device, an induced draft fan and an output pipeline, one end of the high-temperature flue gas pipeline is connected with the flue; the other end is connected with an inlet of the air mixing device; one end of the low-temperature flue gas pipeline is connected with the connecting pipeline; the other end of the high-temperature flue gas pipeline is connected with an inlet of an air mixing device, an outlet of the air mixing device is connected with an induced draft fan, the induced draft fan is connected with an output pipeline, and an electric control valve is installed on the high-temperature flue gas pipeline and used for controlling the opening proportion of the high-temperature flue gas pipeline, so that the proportion of high-temperature flue gas input into the air mixingdevice is adjusted. On th