High-temperature condensed water sensible heat utilization energy-saving device

The utility model discloses an energy-saving device for sensible heat utilization of high-temperature condensed water. Coil heat exchanger, a cold air inlet is formed in one end of the coiled pipe type heat exchanger; a hot air outlet is formed in the other end; the upper part is connected with a steam inlet through a pipeline; steam enters the heating coil in the coil heat exchanger through the steam inlet to heat cold air. The bottom is connected with a drain valve through a pipeline; the drain valve is connected with the flash tank through a pipeline; the flash tank is connected with an airpreheating coil through a pipeline, the air preheating coil is arranged in the coil type heat exchanger and located in front of the heating coil, the air preheating coil plays a role in preheating cold air, the bottom of the flash tank is connected with an automatic condensed water pump system, and the other end of the automatic condensed water pump system is connected with a downstream condensedwater pipeline. According