从不同角度理解精馏过程中q值的含义

Understanding the Meaning of q Value in Distillation Process in Different Aspects

化工原理是化工类专业大学本科阶段重要的专业基础课。作为化工原理最重要章节之一的精馏更是全书的"枢纽"章节。而对本章重难点之一—q值的含义的理解让很多学生觉得很费力,以致于影响了对本章内容的学习。本文从不同的角度阐述了精馏过程中q值的意义及各物理意义之间的关系,旨在帮助学生了解清楚q值的含义和掌握好精馏这一章节的内容。

Chemical Principle is an important professional basic course of chemical engineering majors in undergraduate phase. The chapter of distillation is even a ＂hub＂ section as one of the most important chapters in Chemical Principle. To understand the one of the important difficulties in this chapter - the meaning o{ q value is very hard to so many students. Thus mastering the content of this chapter is blocked. The article represents the meaning of q value in distillation process from different perspectives and the relationship of the multiple physical meanings. It is designed to help students understand the meaning of q value clearly in all aspects and then know this chapter well.