摘要
通过对原有换热网络的拓扑结构和换热器匹配进行分析,在有分流的分级超结构物理模型的基础上,提出了一种新的可满足一般技改要求的换热网络改造方法.该方法能够在对原有换热网络的拓扑结构和原有换热器面积充分利用并满足冷热流股进出口温度需求的同时,实现对原有换热网络的节能改造.同时建立了换热网络改造的数学模型,并应用混合遗传算法对其进行了求解.实例分析结果表明,该方法具有操作简单、节能潜力大以及投资回收期短等优点.
A novel method which satisfied the general technical requirements of heat exchanger networks retrofit, was presented based on the step-wise superstructure with splits and the analysis of the topology structure and heat exchangers in the existing heat exchanger networks （HENs）. This method could make the retrofitted HENs save energy with full utilization of the topology structure and the heat exchanger area in the existing HENs and meet the demands of the inlet and outlet temperatures of cold and hot streams. The mathematical model of HENs retrofit was built and the hybrid genetic algorithm was employed to solve this model. The case study results showed that this method had the advantages of simple operations, great energy-saving potentials, and short return cycle.
出处
《能源研究与信息》
2015年第3期181-185,共5页
Energy Research and Information
基金
浙江省自然科学基金资助项目(LQ12B06002)
浙江省教育厅资助项目(Y201431687)
关键词
换热网络
改造
拓扑结构
节能潜力
heat exchanger network
retrofit
topology structure
energy-saving potential
