The plate falling film evaporator has advantages of high capacity, less steam consumption and high return water ratio but is not suitable for evaporation of solution with crystal liberation.
板式降膜蒸发器具有蒸水能力大、汽耗低、回水比高等优点，但不宜蒸发有结晶析出的溶液。 山西铝厂拜尔法母液中碳碱含量高，在蒸发过程中易析出。
Most part of latent heat of the vapor and the sensible heat of water can be utilized several times because multi-stage falling film evaporation and condensation processes are utilized.
该装置的蒸馏系统采用了多级降膜蒸发及降膜凝结技术，使其中大部分蒸气潜热及部分盐水的显热得到了多次重复利用。
The recirculation and utilization of condensate water out of the falling-film evaporator;
介绍了适用于大型水平管降膜蒸发器的筛板式液体分布装置。
The recirculation and utilization of condensate water out of the falling-film evaporator;
介绍了适用于大型水平管降膜蒸发器的筛板式液体分布装置。
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