A energy -conserving preheating device of feeding for falling film evaporator

The utility model discloses an energy -conserving preheating device of feeding for falling film evaporator, including the charge pump, charge pump one end and charge -in pipeline I link to each other, the other end with link to each other with the pre -heater through charge -in pipeline II, the pre -heater passes through charge -in pipeline III and links to each other with the evaporimeter, and the evaporimeter links to each other with charge -in pipeline IV's one end, and charge -in pipeline IV's the other end links to each other with the finished product jar, the high -temperature steam that the evaporimeter produced passes through condensation water tube I and gets into the condensate pump, and the condensate pump passes through condensation water tube II and links to each other with the pre -heater, and the pre -heater passes through condensation water tube III and discharges, condensate pump and charge pump all link to each other with drive module, and drive module links to each other with the controller. The utility model discloses a this preheating device carries out effectual utilization to high temperature comdenstion water heat to reduce the use amount of evaporimeter steam.