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化工进展  2015 

基于转运模型的功交换网络综合

DOI: 10.16085/j.issn.1000-6613.2015.04.009, PP. 952-956

Keywords: 功交换网络,压缩机,转运模型,优化,模拟

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Abstract:

功交换网络作为能量回收系统的重要组成部分,其设计水平的高低对过程系统的能耗将有着重要的影响,但是目前对功网络综合的研究仍处于理论研究的起步阶段.本文根据功级联分析,首次提出了一种基于转运模型进行功交换网络综合的新方法.该方法以公用工程用量最小为目标函数,建立了适用于等温过程的LP数学模型.通过提出构造低压流股压力中间值的策略,解决直接式功交换匹配过程中压力约束的限制,在每个压力间隔内寻求可行流股匹配,从而得到功交换的初始网络结构;再根据所提的合并相邻压力间隔的策略,进一步减少公用工程用量,进而达到优化网络结构的目的.最后通过实例计算,验证了本文方法的可行性及有效性.

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