γ-十一内酯反应精馏过程的控制模拟及分析

许保云, 宋云飞, 艾波

现代化工 ›› 2018, Vol. 38 ›› Issue (11) : 230 -234.

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现代化工 ›› 2018, Vol. 38 ›› Issue (11) : 230-234. DOI: 10.16606/j.cnki.issn0253-4320.2018.11.050
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γ-十一内酯反应精馏过程的控制模拟及分析

    许保云, 宋云飞, 艾波
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Dynamics simulation and analysis on reactive distillation process for production of undecan-4-olide

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摘要

研究了反应物大大过量情况下,γ-十一内酯的反应精馏过程控制。利用Aspen Dynamics软件进行γ-十一内酯反应精馏过程的动态模拟,通过灵敏度判据进行了温度控制板的选择,并在Aspen Dynamics建立了单端温度控制结构CS1和两端温度控制结构CS2。对系统施加进料流量±10%扰动和进料组成±5%扰动测试,测试结果表明,CS2控制结构可有效抵抗运行过程中的进料扰动,维持系统稳定运行,保证γ-十一内酯收率>60%。由此说明两点式温度控制结构能够有效进行γ-十一内酯反应精馏过程控制。

Abstract

The control of reactive distillation process for undecan-4-olide is studied,in which one reactant is overdose.Aspen Dynamics software is used to perform dynamic simulation on the reactive distillation process for undecan-4-olide.The selection of temperature control board is carried out through sensitivity criterion and two control schemes are proposed via Aspen Dynamics,including single end temperature control structure CS1 and dual-end temperature control structure CS2.Then the control performances of the schemes are evaluated with a 10% fluctuation of feed flow and a 5% fluctuation of feed composition.The results show that CS2 can resist effectively disturbances of feed flow and feed composition,maintain the stable operation of the reactive distillation system and ensure the yield of undecan-4-olide more than 60%.It is proved that the dual-end temperature control structure can effectively control the reactive distillation process of undecan-4-olide.

关键词

γ-十一内酯 / 产品收率 / 温度控制结构 / 过程控制 / 反应精馏

Key words

undecan-4-olide / product yield / temperature control structure / process control / reactive distillation

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γ-十一内酯反应精馏过程的控制模拟及分析[J]. 现代化工, 2018, 38(11): 230-234 DOI:10.16606/j.cnki.issn0253-4320.2018.11.050

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