化工进展

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基于流程模拟器和列队竞争算法的精馏操作优化

林子雄1,鄢烈祥1,李骁淳2,史 彬1,卢 海1   

  1. 1武汉理工大学化学工程学院,湖北 武汉 430070;2镇江雅迅软件有限责任公司,江苏 镇江 212009
  • 出版日期:2013-01-05 发布日期:2013-01-05

Distillation process operation optimization based on process simulator and the line-up competition algorithm

LIN Zixiong1,YAN Liexiang1,LI Xiaochun2,SHI Bin1,LU Hai1   

  1. 1College of Chemical Engineering,Wuhan University of Technology,Wuhan 430070,Hubei,China;2Zhenjiang Yationsoft Co. Ltd.,Zhenjiang 212009,Jiangsu,China
  • Online:2013-01-05 Published:2013-01-05

摘要: 精馏是高耗能的操作单元,对其进行操作优化是企业实现节能降耗、提高经济效益的有效手段。本文提出列队竞争算法与流程模拟软件相结合的精馏操作优化方法,通过MATLAB-Aspen Plus的接口工具调用Aspen Plus模拟精馏操作过程,得到目标函数值,使用列队竞争算法对其进行操作条件的优化。将所提出的方法应用于某石化企业催化裂化主分馏塔的操作优化,其中目标函数值同时考虑了热能利用与产品分布,优化求解得到了总体效益最大的优化操作方案。

关键词: 列队竞争算法, Aspen Plus, 分馏塔, 操作优化

Abstract: In this paper,an optimization method based on the line-up competition algorithm (LCA) coupled with a sequential process simulator was proposed for optimizing distillation operation process. The distillation operation process was simulated by Aspen Plus and optimized by LCA through the interface of Matlab and Aspen Plus. The proposed method has been applied to the main fractionator of fluid catalytic cracking (FCC) in a major refinery plant. The heat energy use and p?roduct distribution were both considered in the objective function. The best overall benefit scheme was obtained after the optimization process.

Key words: line-up competition algorithm, Aspen Plus, main fractionator, operation optimization

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