Temperature inferential control of a reactive distillation column with double reactive sections

被引：0

作者：

Lijing Zang ^{[1
]}

Kejin Huang ^{[1
]}

Ting Guo ^{[1
]}

Yang Yuan ^{[1
]}

Haisheng Chen ^{[1
]}

Liang Zhang ^{[1
]}

Xing Qian ^{[1
]}

Shaofeng Wang ^{[1
]}

机构：

[1] College of Information Science and Technology,Beijing University of Chemical Technology

来源：

Chinese Journal of Chemical Engineering | 2019年 / 27卷 / 04期

基金：

中国博士后科学基金; 中国国家自然科学基金; 中央高校基本科研业务费专项资金资助;

关键词：

Reactive distillation column; Temperature inferential control; Sensitivity analysis; Transient deviation; Steady-state deviation;

D O I：

暂无

中图分类号：

TQ053.5 [塔式化工设备];

学科分类号：

080706 ;

摘要：

Temperature inferential control(TIC) is studied for a reactive distillation column with double reactive sections(RDC-DRSs) processing a hypothetical two-stage consecutive reversible reaction(A + B?C + D, C + B?E + D with αDN αBN αCN αAN αE). Because of the complicated dynamic behaviors, the controlled stages by sensitivity analysis lead to great steady-state deviations(SSDs) in top and bottom product purities. Since TIC involves considerably reduced settling times in comparison with direct composition control, small SSDs in product qualities correspond generally to small transient deviations(TDs) in product qualities. An objective function that measures SSDs in product qualities is formulated to represent the performance of a TIC system and an iterative procedure is devised to search for the best control configuration. The application of the procedure to the RDC-DRS gives considerably suppressed TDs and SSDs in top and bottom product qualities as compared with the one by sensitivity analysis. The method is simpler in principle and less computationally intensive than the current practice. These striking outcomes show the effectiveness of the proposed principle for the development of TIC systems for complicated reactive distillation columns.

引用

页码：896 / 904

页数：9

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