用板式降膜蒸发器蒸发浓缩酒精废液的方法；经生产实践证明，已取得初步成功。
The method that alcohol waste is concentrated in falling film plate evaporator, is proved to be successful in practice.
分析了影响伞板式降膜蒸发器传热的主要因素，得到了伞板降膜蒸发侧无因次传热系数的实验关联式；
The influence factors of the heat transfer performance and the formula of the heat transfer coefficient on the evaporation side in the umbrella-plate have been obtained.
外流降膜板式蒸发器作为替代列管式蒸发器的新设备应用于氧化铝行业，其板片材质处于一个摸索选择的过程。
Disk evaporator with out flow reducing membrane is a new equipment in alumina industry to replace the parallel piping evaporator, but the material of the equipment is under test.
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