超临界二氧化碳循环热电联产系统初步研究
摘要:超临界二氧化碳闭式循环(sCO2循环)是新型的闭式循环系统，具有效率高、系统简单、运行灵活、维护方便等优点。结合分布式发电系统的要求，对sCO2循环热电联产系统的适用性进行了研究。通过对传统的闭式循环相关文献的研究以及对sCO2循环的分析，发现小容量的sCO2循环发电系统保持了传统的闭式循环发电系统在控制、运行、维护等方面的优点，并且在发电效率上具有显著优势，特别是用于热电联产，能量利用率可达90%。随着系统中关键设备的技术成熟度和经济性的提高，sCO2循环有望在未来用于分布式发电系统。
Abstract：Supercritical carbon dioxide closed cycle (sCO2 cycle), a novel closed cycle system, is characterized of its high efficiency, simple system, flexible operation and low maintenance. According to the requirements of distributed generation system, this paper studies the applicability of sCO2 cycle cogeneration system. On the basis of literature survey on conventional closed cycle and the analysis of sCO2 cycle, it is found that small scale sCO2 cycle generation system keeps the advantages of close cycle system in control, operation, maintenance, etc., and possesses advantage of high efficiency, especially for heat and power cogeneration, the energy efficiency could be up to 90%. It is expected that sCO2 cycle will be applied in distributed generation system in the near future with the improvement of technical readiness and economy of key equipments in the system.
标题：超临界二氧化碳循环热电联产系统初步研究
title:Preliminary Investigation on Supercritical Carbon Dioxide Cycle Cogeneration System
作者：郑开云
authors:ZHENG Kaiyun
关键词：超临界二氧化碳循环,分布式发电,热电联产,能量利用率,循环效率,
keywords:supercritical carbon dioxide cycle,distributed generation,heat and power cogeneration,energy efficiency,cycle efficiency,
发表日期：2017-06-28
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