三组分精馏隔板塔的操作柔性模拟与分析

doi:10.11949/j.issn.0438-1157.20151531

化工学报 ›› 2016, Vol. 67 ›› Issue (2): 573-579.DOI: 10.11949/j.issn.0438-1157.20151531

三组分精馏隔板塔的操作柔性模拟与分析

牟祖霖, 盖晓龙, 袁希钢, 罗祎青, 余国琮

天津大学化工学院, 化学工程联合国家重点实验室, 天津 300072

收稿日期:2015-10-10 修回日期:2015-12-24 出版日期:2016-02-05 发布日期:2016-02-05
通讯作者: 袁希钢
基金资助:
国家科技支撑计划项目(2013BAA03B01)。

Simulation and analysis of operation flexibility of divided wall column for ternary distillation

MU Zulin, GE Xiaolong, YUAN Xigang, LUO Yiqing, Kuo-Tsong Yu

State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China

Received:2015-10-10 Revised:2015-12-24 Online:2016-02-05 Published:2016-02-05
Supported by:
supported by the National Key Technology Research and Development Program of the Ministry of Science and Technology of China (2013BAA03B01).

摘要/Abstract

摘要：

隔板精馏塔作为完全热耦合精馏塔由于具有较强的耦合性,其操作与控制相比传统精馏塔更为复杂,同时由于具有更多的自由度表现出更多的操作柔性。选用正戊烷、正己烷、正庚烷混合物的分离为例,采用严格模拟方法,通过对7 种进料条件设计的隔板塔进行模拟,考察了不同进料条件下的操作柔性,同时考察进料组成对隔板精馏塔操作柔性的影响。

关键词: 隔板塔, 三组元精馏, 操作柔性, 严格模拟, 最小气相流率

Abstract:

The operation and control of a dividing-wall column, a fully thermally coupled distillation column configuration, is more complex than the traditional column because of its coupling nature. However it exhibits more flexibility due to the more degree of freedom. In the present paper the operation flexibilities of dividing-wall columns for separating the mixture of n-pentane, n-hexane and n-heptane with different compositions are investigated by using rigorous simulation. And the effect of the feed composition on the operation flexibilities are also investigated.

Key words: divided-wall column, ternary distillation, operation flexibility, rigorous simulation, minimum vapor flux

中图分类号:

TQ028

牟祖霖, 盖晓龙, 袁希钢, 罗祎青, 余国琮. 三组分精馏隔板塔的操作柔性模拟与分析[J]. 化工学报, 2016, 67(2): 573-579.

MU Zulin, GE Xiaolong, YUAN Xigang, LUO Yiqing, Kuo-Tsong Yu. Simulation and analysis of operation flexibility of divided wall column for ternary distillation[J]. CIESC Journal, 2016, 67(2): 573-579.

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三组分精馏隔板塔的操作柔性模拟与分析

Simulation and analysis of operation flexibility of divided wall column for ternary distillation

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