Double-effect Thin Film Evaporator

Overview

The double-effect thin film evaporator is high-efficiency evaporation equipment widely applied in chemical, pharmaceutical, food and new material industries. It adopts a two-stage evaporation design, reusing secondary steam generated from the first effect as the heating source for the second effect. This design cuts steam consumption significantly and delivers outstanding energy-saving performance over single-effect evaporators.

Working Features

During operation, feed liquid spreads into a uniform thin film on the heating surface. Short residence time avoids thermal decomposition of heat-sensitive materials. It can stably process high-viscosity, crystallizing and scaling-prone media. Materials including 304, 316L stainless steel or special alloys are optional to satisfy anti-corrosion demands.

The unit comprises evaporation cylinders, vapor-liquid separators, heat exchangers, vacuum system and product collection modules. Continuous feeding and discharging are available for automatic control. It is ideal for liquid concentration, solvent recovery and purification. Thanks to reliable operation and low running cost, this evaporator is well received by production enterprises.

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