中国造纸杂志社-造纸；纸浆；制浆；行业；专家；设备 关键词： 板式降膜蒸发器；激光圈焊；点焊 [gap=791]Key words ：plate falling film evaporator; laser welding; spot welding
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In the paper, the dimpled vertical plate falling film evaporator was applied to concentrate and condense the heat sensitive pineapple juice.
本文针对异形竖板降膜蒸发器的特点，将其应用于菠萝汁的蒸发浓缩。
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。
The results indicated that the dimpled vertical plate evaporator was more appropriate for liquid food than the tubular falling film evaporator.
结果表明，与管式蒸发器相比，异形竖板降膜蒸发器更适宜于液体食品的蒸发。
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