Patent ID: 7591930
Filing Date: 2009-09-22
Classification: B01D,B01J,Y10S

Abstract:
1. A thin film evaporator comprising: a vertical drum, a supply line that is arranged in the upper region of the drum and is used to supply a medium to be evaporated, a heating jacket arranged on the periphery of the drum and forming vapors, a discharge line for discharging the residue left in the lower end of the drum, a condenser supplied with a coolant, and an inner device surrounding the condenser and influencing the action of the thin-film evaporator, the inner device comprising at least one of a mass transfer area, a catalyst or a heat-exchange surface, provided in the path of the vapors from the heating jacket to the condenser, wherein the inner device is provided between the condenser and a wiping device movable on the inside along the jacket for a medium to be evaporated which is introduced into the drum from above.