A Novel Close-loop Strategy for Integrating Process Operations of Fluidized Catalytic Cracking Unit with Production Planning Optimization

王如强; 李初福; 何小荣; 陈丙珍

doi:10.1016/S1004-9541(09)60015-X

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A Novel Close-loop Strategy for Integrating Process Operations of Fluidized Catalytic Cracking Unit with Production Planning Optimization

Updated：2026-01-06

- A Novel Close-loop Strategy for Integrating Process Operations of Fluidized Catalytic Cracking Unit with Production Planning Optimization
- Chinese Journal of Chemical Engineering Vol. 16, Issue 6, Pages: 909-915(2008)
- Affiliations：
  
  Department of Chemical Engineering, Tsinghua University,Beijing,China,100084
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(09)60015-X
  CLC：
- Published：2008
- Accepted：
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WANG Ruqiang, LI Chufu, HE Xiaorong, CHEN Bingzhen. A Novel Close-loop Strategy for Integrating Process Operations of Fluidized Catalytic Cracking Unit with Production Planning Optimization[J]. , 2008, 16(6): 909-915.
DOI：

WANG Ruqiang, LI Chufu, HE Xiaorong, CHEN Bingzhen. A Novel Close-loop Strategy for Integrating Process Operations of Fluidized Catalytic Cracking Unit with Production Planning Optimization[J]. , 2008, 16(6): 909-915. DOI： 10.1016/S1004-9541(09)60015-X.

摘要

Abstract

Production planning models generated by common modeling systems do not involve constraints for process operations

and a solution optimized by these models is called a quasi-optimal plan.The quasi-optimal plan cannot be executed in practice some time for no corresponding operating conditions.In order to determine a practically feasible optimal plan and corresponding operating conditions of fluidized catalytic cracking unit(FCCU)

a novel close-loop integrated strategy

including determination of a quasi-optimal plan

search of operating conditions of FCCU and revision of the production planning model

was proposed in this article.In the strategy

a generalized genetic algorithm(GA) coupled with a sequential process simulator of FCCU was applied to search operating conditions implementing the quasi-optimal plan of FCCU and output the optimal individual in the GAsearch as a final genetic individual.When no corresponding operating conditions were found

the final genetic individual based correction(FGIC) method was presented to revise the production planning model

and then a new quasi-optimal production plan was determined.The above steps were repeated until a practically feasible optimal plan and corresponding operating conditions of FCCU were obtained.The close-loop integrated strategy was validated by two cases

and it was indicated that the strategy was efficient in determining a practically executed optimal plan and corresponding operating conditions of FCCU.

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