降膜蒸发是将料液自降膜蒸发器加热室上管箱加入,经液体分布及成膜装置,均匀分配到各换热管内,在重力和真空诱导及气流作用下,成均匀膜状自上而下流动。流动过程中,被壳程加热介质加热汽化,产生的蒸汽与液相共同进入蒸发器的分离室,汽液经充分分离,蒸汽进入冷凝器冷凝(单效操作)或进入下一效蒸发器作为加热介质,从而实现多效操作,液相则由分离室排出。 设备主体由Ⅰ、Ⅱ、Ⅲ效加热器、分离器、热压泵、冷凝器、杀菌器、保温管、料泵、水泵及仪表柜组成。本设备凡和物料接触均用优质不锈钢制作。
... service 服务;保养;检修 falling-film evaporator 降膜蒸发器 preheat-falling-rising types 预热升降蒸发器 ...
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... down stream 流下 down-flow evaporator 降膜蒸发器 downcomer 〔精馏塔塔板上的〕溢流管;下导管;落水管 ...
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介绍了降膜蒸发器严重腐蚀的现象及原因,提出了预防腐蚀的措施。
The phenomenon of serious corrosion of falling - film evaporator and its reasons were introduced. And the countermeasures were put forward.
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。
In the paper, the dimpled vertical plate falling film evaporator was applied to concentrate and condense the heat sensitive pineapple juice.
布膜器是降膜蒸发器的关键部件,它对降膜蒸发器的性能影响是至关重要的。
The distribution plate is the key component in the film evaporators, which can affect the efficiency of the equipment.
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