国内换热网络综合方法研究进展与展望

Process and prospect for the methodology of heat exchanger network synthesis in China

换热网络作为大型工业企业的能量回收系统,对降低企业能耗、提高能量利用率具有重要作用,其设计方法一直是国内外学者的热点研究课题。本文介绍了我国换热网络综合方法的研究进展,对设计方法进行了分类阐述,分析了夹点设计方法、数学规划方法和优化算法的研究成果和存在问题。最后展望了同步综合方法和优化算法是未来的主要研究方向和重点,为指导综合方法的不断改进和实际应用服务。

Heat exchanger network is a heat recovery system in a industrial plant,which plays an important role in reducing energy consumption and increasing energy utilization ratio.The design method for heat exchanger network has been one of the hot worldwide research subjects.In last 30 years,many research studies by domestic researchers have been carried out on this topic.Based on the reports published in China,the domestic progress in the field of synthesis method is introduced.After a review of several groups of approaches,such as pinch design methods,mathematical programming methods and optimization algorithms,the main research contents and difficulties are analyzed and summarized.Finally the main researching focus and developing direction on simultaneous synthesis method and global optimization algorithm are pointed out to improve theoretic study and practical application.