Blast furnace flue gas waste heat power generation device

The utility model discloses a waste heat power generation device for blast furnace flue gas. Relating to the technical field of waste heat power generation, the steam turbine generator is fixedly arranged on one side of the blast furnace hot blast stove. A heat exchange box body is fixedly arranged on one side of the steam turbine generator, a flue gas exhaust port is fixedly formed in the side face of the blast furnace hot blast stove, a flue gas guide pipe is fixedly arranged at one end of the flue gas exhaust port, a flue gas inlet is fixedly formed in one end of the heat exchange box body,and a flue gas outlet is fixedly formed in the other end of the heat exchange box body. The heat exchanger is provided with a heat exchange box body, a flue gas guide pipe, a steam guide pipe, a fluegas outlet, a heat exchange pipe, a ventilation sealing disc and a flue gas inlet, the heat exchange pipe is a spiral corrugated heat exchange pipe component, the heat exchange time of high-temperature flue gas and water liqu