【摘要】 在精馏设计过程中,简捷法是对所提供的方案进行快速估算的先决条件。本文提出将多组分体系转化为拟二元体系的观点,将多组分体系的设计问题转化为拟二元的简捷设计问题。设计过程分为两层循环,内层完成精馏过程的严格模拟,外层进行迭代的拟二元设计。文中引用两个实例,设计结果表明,该方法既可用于理想物系,又可用于非理想物系。更多还原

【Abstract】 Short-cut methods are prerequisite for the fast evaluation of alternative design methods in rectification process.In this paper,the quasi-binary system is introduced,in which the multi-component system is converted into two congregated components and the multi-component rectification design processes are changed into quasi-binary′s short-cut design processes correspondingly.The design processes are divided into two cycles in this method.Firstly,Rigorous simulation of rectification process is completed through inner cycle.Secondly,quasi-binary design based on iteration is performed in outer cycle.It is concluded that this method can be applied to not only ideal systems but also non-ideal system by two examples used in this article.更多还原