带有中间贮罐的间歇精馏塔蒸馏顺序的研究

Distillation Sequence in Batch Distillation Column with an Intermediate Vessel

为解决带有中间贮罐的间歇精馏塔蒸馏顺序的问题，对上下塔段采用对称的计算方法，以上下塔段轻重组份蒸出时间为依据，确定中间组份序号。算法简便，在分离多组份物料时能确定合理的出料顺序。

The characteristics and recent development of a batch distillation column which consists of two separation sections with an intermediate vessel are discussed.The rectification sequence of this type of column is estimated by using a simple calculation method.A symmetry calculation method is adopted in the estimate.And the same method is applied to both sections of the column.The simple calculation method can be used to determine the reasonable distillate sequence for separating multiplecomponent materials.The amount of calculation can be reduced greatly.