SCI和EI收录∣中国化工学会会刊

›› 2015, Vol. 23 ›› Issue (9): 1518-1522.DOI: 10.1016/j.cjche.2015.03.008

• 过程系统工程与过程安全 • 上一篇    下一篇

Simultaneous optimization of heat-integrated crude oil distillation systems

Yiqing Luo, LiwenWang, HeWang, Xigang Yuan   

  1. Chemical Engineering Research Center, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
  • 收稿日期:2014-09-10 修回日期:2015-02-06 出版日期:2015-09-28 发布日期:2015-10-24
  • 通讯作者: Yiqing Luo
  • 基金资助:
    Supported by the National Natural Science Foundation of China (21176178) and the State Key Laboratory of Chemical Engineering (SKL-ChE-13B02).

Simultaneous optimization of heat-integrated crude oil distillation systems

Yiqing Luo, LiwenWang, HeWang, Xigang Yuan   

  1. Chemical Engineering Research Center, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
  • Received:2014-09-10 Revised:2015-02-06 Online:2015-09-28 Published:2015-10-24
  • Supported by:
    Supported by the National Natural Science Foundation of China (21176178) and the State Key Laboratory of Chemical Engineering (SKL-ChE-13B02).

摘要: Crude oil distillation is important in refining industry. Operating variables of distillation process have a critical effect on product output value and energy consumption.However, the objectives of minimumenergy consumption and maximum product output value do not coordinate with each other and do not lead to the maximum economic benefit of a refinery. In this paper, a systematic optimization approach is proposed for the maximum annual economic benefit of an existing crude oil distillation system, considering product output value and energy consumption simultaneously. A shortcut model in Aspen Plus is used to describe the crude oil distillation and the pinch analysis is adopted to identify the target of energy recovery. The optimization is a nonlinear programming problem and solved by stochastic algorithm of particle warm optimization.

关键词: Crude oil distillation, Annual economic benefit, Energy optimization, Particle warm optimization, System engineering

Abstract: Crude oil distillation is important in refining industry. Operating variables of distillation process have a critical effect on product output value and energy consumption.However, the objectives of minimumenergy consumption and maximum product output value do not coordinate with each other and do not lead to the maximum economic benefit of a refinery. In this paper, a systematic optimization approach is proposed for the maximum annual economic benefit of an existing crude oil distillation system, considering product output value and energy consumption simultaneously. A shortcut model in Aspen Plus is used to describe the crude oil distillation and the pinch analysis is adopted to identify the target of energy recovery. The optimization is a nonlinear programming problem and solved by stochastic algorithm of particle warm optimization.

Key words: Crude oil distillation, Annual economic benefit, Energy optimization, Particle warm optimization, System engineering