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为了评价炼油厂冷换设备和换热网络能量利用的先进性、合理性,本文提出了用热力学效率计算的方法,并编制成电算程序对换热器及换热网络进行分析计算,可找出其能量利用不合理环节;通过对换热网络所建立的目标函数,来分析、评价各种最优化换热网络及炼厂生产中换热流程的技术经济效果是否最佳;也可用本文的逻辑思路和目标函数开发换热网络的设计。
In order to evaluate the advanced and reasonable energy utilization of cold exchange equipment and heat exchange network in oil refinery, this paper presents a method of calculating with thermodynamic efficiency, and compiled into a computer program to analyze and calculate the heat exchanger and heat exchange network can find Through the analysis of the objective function established by the heat exchange network, it is possible to analyze and evaluate the technical and economic effects of the optimal heat exchange network and the heat exchange process in the refinery production. Design of Heat Exchange Network Based on Logical Thinking and Objective Function.