引用本文:朱笑晨,王福利,牛大鹏,等.基于节能瓶颈诊断的循环冷却水系统节能改造[J].控制与决策,2020,35(9):2129-2136
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基于节能瓶颈诊断的循环冷却水系统节能改造
朱笑晨,王福利,牛大鹏,贾明兴
(东北大学信息科学与工程学院,沈阳110004)
摘要:
循环冷却水系统是一种常用的工业辅助系统,具有极大的节能潜力,目前对该系统的节能改造往往具有盲目性.鉴于此,基于节能瓶颈诊断对循环冷却水系统进行节能改造分析和研究,以提高改造针对性和节能效果.根据循环冷却水系统特点对能耗分解方法进行改进,提出多工况能效分解法,将该方法与正交试验分析方法相结合设计一种两维度的系统节能瓶颈诊断方法,对系统节能状态进行分析,确定系统各部分的改造优先级,以改造优先级为基础,结合相应的改造措施形成优化问题以实现改造方案的设计.同时结合项目后评价知识,对各最优方案进行评价,从而为决策者提供更多决策信息.最后通过案例应用验证所提出方法的应用效果.
关键词:  循环冷却水系统  节能改造  节能瓶颈诊断  改造优先级
DOI:10.13195/j.kzyjc.2018.1770
分类号:TP29
基金项目:国家自然科学基金项目(61533007,61673092,61773101);创新研究群体科学基金项目(61621004);中央高校基本科研业务费专项基金项目(N150404017).
Energy-saving retrofit of circulating cooling water system based on energy-saving bottleneck diagnosis
ZHU Xiao-chen,WANG Fu-li,NIU Da-peng,JIA Ming-xing
(College of Information Science and Engineering,Northeastern University,Shenyang110004,China)
Abstract:
Circulating cooling water systems are a kind of commonly used industrial auxiliary systems with great energy saving potential, but the energy-saving retrofit of the system is often blindfold. Therefore, this paper performs an analysis and research on energy-saving retrofit of a circulating cooling water system based on energy-saving bottleneck diagnosis to improve the targeted and energy-saving effects. According to the system characteristics, the energy decomposition method is improved, and the multi-case energy efficiency decomposition method is proposed. Combining this method with the orthogonal test analysis method, this paper designs a two-dimensional energy-saving bottleneck diagnosis method. Then the system energy-saving status is analyzed, and the retrofit priority of each system part is determined. Based on the retrofit priority, combined with the corresponding retrofit measures, the optimization problem is formed to realize the design of the retrofit scheme. In addition, combined with post-project evaluation knowledge, each optimal scheme is evaluated to provide decision makers with more decision information. Finally, through a case application, the effect of this method is verified.
Key words:  circulating cooling water system  energy-saving retrofit  energy-saving bottleneck diagnosis  retrofit priority

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