基于代码矩阵的精馏序列合成

doi:10.11949/j.issn.0438-1157.20141938

化工学报 ›› 2015, Vol. 66 ›› Issue (7): 2547-2554.DOI: 10.11949/j.issn.0438-1157.20141938

基于代码矩阵的精馏序列合成

徐艳, 张春霞, 王汝贤, 吕静, 赵玉军, 马新宾

天津大学化工学院, 绿色合成与转化教育部重点实验室, 天津 300072

收稿日期:2014-12-30 修回日期:2015-04-01 出版日期:2015-07-05 发布日期:2015-07-05
通讯作者: 马新宾
基金资助:
国家自然科学基金项目(21276186, 21325626);国家高技术研究发展计划项目(2011AA051002);中石油科技创新基金项目(2012D-5006-0503);天津自然科学基金项目(13JCZDJC33000)。

A code matrix-based method for distillation sequences synthesis

XU Yan, ZHANG Chunxia, WANG Ruxian, LÜ Jing, ZHAO Yujun, MA Xinbin

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

Received:2014-12-30 Revised:2015-04-01 Online:2015-07-05 Published:2015-07-05
Supported by:
supported by the National Natural Science Foundation of China(20876112, 20936003), the National High Technology Research and Development Program of China (2011AA051002), the PetroChina Innovation Foundation (2012D-5006-0503) and the Natural Science Foundation of Tianjin (13JCZDJC33000).

摘要/Abstract

摘要：

提出了一种基于代码矩阵的精馏序列合成方法及其算法实现。该方法包括混合物组群划分、减塔配置基本搜索空间的创建、代码矩阵的生成和使用分离限制条件筛选4个步骤。由于代码矩阵衍生自矩阵法的0-1矩阵,且其元素代码包含了精馏塔分离编号和产品流股的采出位置等信息,因此,该合成法不仅能提供完整的精馏配置搜索空间,而且便于根据分离限制要求进行分离序列的筛选。文中给出该方法在乙二醇粗产品体系的应用,由VB计算共获得了8个三塔分离方案。结合Aspen模拟,得到总再沸器热负荷最小的三塔分离方案。

关键词: 精馏序列, 代码矩阵, 算法, 模拟, 优化, 乙二醇

Abstract:

A code matrix-based synthesis method for multicomponent distillation sequences is described as well as its algorism. Four steps, such as grouping the components of feed, generating the basic search space of sub-column configurations, transforming 0-1 matrices into code matrices and eliminating configurations with separation constraints, are included in this method. The code matrices, whose element code includes the information about the column sequence number and the location of product withdrawing, are transformed from 0-1 matrices determined by matrix method. Thus, this method not only provides a complete set of separation configurations with sharp or non-sharp split but also can pick out all the desirable configurations with the constraints by logical programming. Additionally, the use of this method is illustrated by applying it to the ethylene glycol purification from dimethyl oxalate hydrogenation. Eight configurations are selected out and one configuration with the lowest total reboiler heat duty is identified by Aspen Plus optimization.

Key words: distillation sequences, code matrices, algorism, simulation, optimization, ethylene glycol

中图分类号:

TQ028.8

徐艳, 张春霞, 王汝贤, 吕静, 赵玉军, 马新宾. 基于代码矩阵的精馏序列合成[J]. 化工学报, 2015, 66(7): 2547-2554.

XU Yan, ZHANG Chunxia, WANG Ruxian, LÜ Jing, ZHAO Yujun, MA Xinbin. A code matrix-based method for distillation sequences synthesis[J]. CIESC Journal, 2015, 66(7): 2547-2554.

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基于代码矩阵的精馏序列合成

A code matrix-based method for distillation sequences synthesis

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