Waste heat steam generator

The utility model relates to the technical field of biphenyl steam production, and discloses a waste heat steam generator which is characterized in that when the waste heat steam generator is used, under the cooperation of a water pump, a water inlet pipeline, a sleeve, a steam generator shell, a spiral track, a water storage shell and a heat conduction rod, water flows through the heat conduction rod and the side wall of the steam generator shell, and the water is stored in the water storage shell; when water passes through the barrier plate, the water is impacted and then flows through the gap between the barrier plate and the water storage shell, so that the heat exchange time is prolonged, the water in the sleeve is subjected to primary heating, and when the inner cavity of the sleeve is filled with the water, the water enters the water storage shell, and meanwhile, steam passes through the ventilation pipeline and flows through the water storage shell. When biphenyl enters the water storage shell, the ve