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题名: 氯乙烯精馏高沸塔的双层结构模型预测控制策略
其他题名: Double-layered Model Predictive Control Strategy of High Boiling Column of Vinyl Chloride Distillation
作者: 苏宝玉; 邹涛; 臧春华; 孔庆儒
作者部门: 信息服务与智能控制研究室
关键词: 氯乙烯精馏 ; 高沸塔 ; 高沸物 ; 模型预测控制 ; 温差控制 ; 稳态优化
刊名: 信息与控制
ISSN号: 1002-0411
出版日期: 2015
卷号: 44, 期号:4, 页码:403-410
收录类别: CSCD
产权排序: 2
项目资助者: 国家自然科学基金资助项目(61374112) ; 中国科学院网络化控制系统重点实验室自主课题资助项目( WLHKZ2014010)
摘要: 针对氯乙烯精馏高沸塔存在的高耗能,多变量耦合,大滞后,高沸物排放控制及回流优化问题,提出一种高沸塔双层结构模型预测控制策略.该策略考虑了精馏段的温差,在实现高沸塔精馏过程控制的前提下,具有优化回流节能的功能.通过考虑塔底温度和塔底液位设计出高沸物排放逻辑,并结合双层结构模型预测控制实现高沸物自动排放.最后实验仿真结果表明该方法可以减少进料流量变化引起的过程波动、实现高沸物自动排放和优化回流.
英文摘要: A double-layered model predictive control strategy is designed for the process of vinyl chloride distillation in order to address problems associated with high energy consumption,multivariable coupling,large time delays, high-boiling compounds that cannot be automatically discharged,and reflux optimization control of a high-boiling column. The strategy considers the temperature difference of the rectification section; thus,with the aim of achieving process control in high-boiling column distillation,the developed strategy optimizes reflux energy savings. In addition,the logic associated with the auto discharge of high-boiling compounds is designed by considering the rectifier- bottom temperature and level,and it is shown that this logic is effective for its purpose. Simulation results show that the proposed strategy can indeed reduce the process fluctuation of high-boiling columns caused by feed disturbance and achieve auto discharge of high-boiling compounds and optimization of the reflux.
语种: 中文
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内容类型: 期刊论文
URI标识: http://ir.sia.cn/handle/173321/17540
Appears in Collections:信息服务与智能控制技术研究室_期刊论文

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文件名: 氯乙烯精馏高沸塔的双层结构模型预测控制策略.pdf
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