一种应用于换热网络综合的阻尼优化方法

doi:10.11949/0438-1157.20211681

化工学报 ›› 2022, Vol. 73 ›› Issue (5): 2060-2072.doi: 10.11949/0438-1157.20211681

一种应用于换热网络综合的阻尼优化方法

刘薇薇(),崔国民(),张璐,肖媛,杨其国,张冠华

上海理工大学能源与动力工程学院，上海市动力工程多相流动与传热重点实验室，上海 200093

收稿日期:2021-11-24 修回日期:2022-01-18 出版日期:2022-05-05 发布日期:2022-05-24
通讯作者: 崔国民 E-mail:lww_1126@163.com;cgm@usst.edu.cn
作者简介:刘薇薇（1997—），女，硕士研究生，lww_1126@163.com
基金资助:
国家自然科学基金项目(21978171);中国博士后科学基金项目(2020M671171)

Damping optimization method for heat exchange network synthesis

Weiwei LIU(),Guomin CUI(),Lu ZHANG,Yuan XIAO,Qiguo YANG,Guanhua ZHANG

School of Energy and Power Engineering, University of Shanghai for Science and Technology，Shanghai Key Laboratory of Multiphase Flow and Heat Transfer in Power Engineering, Shanghai 200093, China

Received:2021-11-24 Revised:2022-01-18 Published:2022-05-05 Online:2022-05-24
Contact: Guomin CUI E-mail:lww_1126@163.com;cgm@usst.edu.cn

摘要/Abstract

摘要：

针对启发式方法优化换热网络在优化后期易陷入局部极值的问题，提出一种阻尼优化方法，即通过引入延缓概率的概念，以一定的概率不接受费用下降的结构，延缓该结构形成固定匹配，避免因连续变量优化过快导致整型变量优化不充分而陷入局部最优。通过探讨不同阶段的优化特点及优化陷入局部极值的成因，进而提出分阶段延缓策略，合理调控延缓条件以及延缓概率的取值，从而提高算法的全局搜索能力。最后采用四个不同规模的算例进行验证，结果表明该方法可有效地跳出局部最优解，促进结构的进一步优化。

关键词: 换热网络, 优化, 局部极值, 延缓, 结构进化, 模型, 计算机模拟

Abstract:

Aiming at the problem that the heat exchange network optimized by the heuristic method is easy to fall into the local extreme value in the later stage of optimization, a damping optimization method is proposed, that is, by introducing the concept of delay probability, the structure with a certain probability will not accept the cost reduction, the structure will be delayed from forming a fixed structure match, and will avoid falling into local optimum due to insufficient optimization of integer variables due to too fast optimization of continuous variables. By discussing the optimization characteristics of different stages and the causes of optimization falling into local extreme, a phased delay strategy is proposed to reasonably adjust the delay conditions and the value of delay probability, to improve the global search ability of the algorithm. Finally, four different scale examples are used to verify the results. The results show that the method can effectively jump out of the local optimal solution and promote the further optimization of the structure.

Key words: heat exchanger network, optimization, local extreme, delay, structural variation, model, computer simulation

中图分类号:

TK 124

刘薇薇, 崔国民, 张璐, 肖媛, 杨其国, 张冠华. 一种应用于换热网络综合的阻尼优化方法[J]. 化工学报, 2022, 73(5): 2060-2072.

LIU Weiwei, CUI Guomin, ZHANG Lu, XIAO Yuan, YANG Qiguo, ZHANG Guanhua. Damping optimization method for heat exchange network synthesis[J]. CIESC Journal, 2022, 73(5): 2060-2072.

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Case	it∈[0, 5×10⁷]	it∈(5×10⁷, 2×10⁸]	it∈(2×10⁸, 8×10⁸]	TAC/(USD/a)
DS2-1	η=0.6	η=0.2	η=0	1497798
DS2-2	η=0.6	η=0.2	η=0.2	1504171
DS2-3	η=0.4	η=0.2	η=0.2	1511764
DS2-4	η=0.4	η=0.2	η=0	1495453
DS2-5	η=0.2	η=0.2	η=0.2	1509360
DS2-6	η=0.2	η=0.2	η=0	1496393

Case	it∈[0, 5×10⁷]	it∈(5×10⁷, 2×10⁸]	it∈(2×10⁸, 8×10⁸]	TAC/(USD/a)
RWCE	—	—	—	2898422
DS1	η=0.2	η=0.2	η=0.2	2893376
DS2	η=0.5	η=0.2	η=0	2892210

References	Method	Formulation	Units	Q_CU/MW	Q_HU/MW	TAC/(USD/a)
Linnhoff等^[30]	Pinch	—	13	33.02	25.31	2.96 × 10⁶
Fieg等^[31]	GA	NIM-SWS	14	31.34	23.62	2922298^①
霍兆义等^[32]	GA-PSO	NIM-SWS	13	31.94	24.22	2922585^①
孙涛等^[25]	RWCE	NIM-SWS	16	31.26	23.53	2920246^①
Pav?o等^[4]	SA-RFO	NIM-SWS	14	32.48	24.76	2909906^①
鲍中凯等^[33]	RWCE	IU-SWS	18	32.31	24.28	2906286^①
图7	DS1-RWCE	NNM-SS	20	31.54	23.87	2898422^①
图8	DS2-RWCE	NNM-SS	19	31.51	23.79	2892210^①

Case	it∈[0, 5×10⁷]	it∈(5×10⁷, 2×10⁸]	it∈(2×10⁸, 8×10⁸]	TAC/(USD/a)
RWCE	—	—	—	1721621
DS1	η=0.15	η=0.15	η=0.15	1717208
DS2	η=0.5	η=0.15	η=0	1714524

References	Method	Formulation	Units	Q_CU/MW	Q_HU/MW	TAC/(USD/a)
陈帅等^[21]	SAA-QPSO	NS-SWS	23	4.89	9.04	1753110
韩正恒等^[27]	RWCE	NW-NSS	22	5.01	9.16	1727637
Rathjens等^[22]	HGA-SIR	NIM-SWS	24	4.38	8.53	1715088^①
图9	DS1-RWCE	NNM-SS	24	4.49	8.64	1721621^①
图10	DS2-RWCE	NNM-SS	22	4.27	8.42	1714524^①

一种应用于换热网络综合的阻尼优化方法

Damping optimization method for heat exchange network synthesis

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图/表 19

参考文献 37

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References	Method	Formulation	Units	Q_CU/MW	Q_HU/MW	TAC/(USD/a)
Huo等^[34]	GA-PSO	Mixed NS and NIM-SWS	16	442.37	38.80	7361190^①
Feyli等^[23]	GA	MQLP	17	437.77	34.21	7128522
Bao等^[35]	OP-RWCE	NW-RWCE	19	413.61	10.04	6869610^①
Pav?o等^[5]	SA-RFO	NIM-SWS	18	413.07	9.50	6712551^①
Rathjens等^[22]	HGA-SIR	NIM-SWS	18	413.02	9.70	6657080^①
图11	DS2-RWCE	NNM-SS	18	413.08	9.52	6651937^①

References	Method	Formulation	Units	Q_CU/MW	Q_HU/MW	TAC/(USD/a)
Zhang等^[36]	PPSO	NS-SWS	47	11.45	8.15	1939149
孙涛等^[25]	RWCE	NIM-SWS	44	11.87	8.56	1933752^①
Nemet等^[37]	GUROBI-DICOPT	TransHEN	44	10.65	7.35	1.9288×10^6①
Pav?o等^[17]	SA-RFO	NIM-SWS	42	—	—	1900614^①
图12	DS2-RWCE	NNM-SS	40	11.02	7.72	1877898^①

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