在大型工业精馏塔中气体的流动分布是影响塔效率的重要因素。
Gas flow distribution is an important influential factor for distillation column efficiency.
为预测其影响规律，文内针对含有错流塔板且气相预混合的精馏塔，提出了气液返混发生时计算精馏效率的混合池模型。
In order to calculate distillation efficiencies with the entrainment of both vapor and liquid, a mixing cell model was developed.
介绍了填料塔的分离特点，分析了现有氯化苄精馏塔分离效率低的原因，并提出了改进设想。
Separation characteristics of packing tower were introduced. The results on lower separation efficiency of present benzyl chloride rectifier were analysed, and the innovation ideas were put for-ward.
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