A Multi-Objective Optimization Approach for Heat Exchanger Network in Process Industries
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作者
Qiang, Tan; Chen Yuting; Xu Yanyan; Shuang, Ye; Hao, Xiao; Huang Weiguang
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刊物名称
CHINA PETROLEUM PROCESSING & PETROCHEMICAL TECHNOLOGY
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年、卷、文献号
2022, 24, 1008-6234
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关键词
Qiang, Tan; Chen Yuting; Xu Yanyan; Shuang, Ye; Hao, Xiao; Huang Weiguang
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摘要
To simultaneously improve the quantity and quality of heat recovery in a heat exchanger network (HEN), this study conducts a theory analysis based on the first and second laws of thermodynamics. Under the premise of maximizing the heat recovery quantity of HEN, (G) over dot(diss) is used as an evaluation index to optimize the quality of heat recovery. Meanwhile, the total annual cost (TAC) is considered as another optimization objective to ensure the economic feasibility of the HEN. A superstructure-based multi-objective mixed integer non-linear programming approach is put forward to solve the trade-off between minimizing (G) over dot(diss) and minimizing TAC. This allows for the optimum HEN structure to be obtained. A well-studied example is solved to highlight the benefits of the proposed method.
