This kind of evaporator consists of an evaporator which is film shell-and-tube heat exchanger, vapor-liquid separator, a reheater and a simple separator. This evaporator features big productivity, high efficiency and short material heating time, applicable for pharmaceutics, food and chemo-industry in thin solutions condensing. All parts of the device that contact materials are made of stainless steel, insuring good anticorrosion and a long service life. Note: Users take care of high-level chute, spinning part flow-meter, trap, valves and tubes. If something is to be commissioned, please state clearly in contract.