化工进展 ›› 2017, Vol. 36 ›› Issue (S1): 195-202.DOI: 10.16085/j.issn.1000-6613.2017-1039

• 能源加工与技术 • 上一篇    下一篇

一种新型的太阳能驱动ORC-HP热电联产耦合系统

吴国策, 朱兴仪, 赵英汝   

  1. 厦门大学能源学院, 福建 厦门 361005
  • 收稿日期:2017-06-01 修回日期:2017-07-17 出版日期:2017-12-31 发布日期:2017-12-13
  • 通讯作者: 赵英汝,副教授,研究方向为能源系统工程。
  • 作者简介:吴国策(1991-),男,硕士研究生。
  • 基金资助:
    厦门大学校长基金项目(20720150111)。

A new type of solar-driven ORC-HP combined heat and power coupling system

WU Guoce, ZHU Xingyi, ZHAO Yingru   

  1. College of Energy, Xiamen University, Xiamen 361005, Fujian, China
  • Received:2017-06-01 Revised:2017-07-17 Online:2017-12-31 Published:2017-12-13

摘要: 提出了一种新型太阳能平板集热器、有机朗肯循环和热泵循环联合的热电联产系统(SORC-HP),系统分别采用有机工质R245fa和制冷剂R22作为朗肯循环和热泵循环的工作介质。通过流程模拟软件gPROMS对整个联合系统进行模拟仿真,以系统的净功率输出、发电效率和热电联产(CHP)效率为性能指标,分析了6个关键参数对联合系统性能的影响。结果显示:存在最优的导热油流率和制冷剂冷凝温度使系统的CHP效率取得极值。将此系统与传统的太阳能有机朗肯循环系统进行对比,结果表明在太阳辐射度为1000W/m2时,联合系统的CHP效率比普通太阳能ORC系统高3.7%。

关键词: 太阳能集热器, 有机朗肯循环, 热泵循环, 热电联产

Abstract: In this paper, a combined heat and power system which is composed of flat plate solar collector, organic Rankine cycle(ORC) and heat pump is proposed, organic fluid R245fa and refrigerant R22 are used respectively as the working fluid of ORC and heat pump cycle.The combined system is simulated by process simulation software gPROMS, the effect of six key parameters on the system performance are analyzed based on net power output, power generation efficiency and CHP efficiency of the system.Results show that there is an optimal flow rate of heat transfer oil and the condensation temperature of refrigerant which let CHP efficiency get maximum value.The combined system is compared with the traditional solar organic Rankine cycle, the results show that CHP efficiency of the combined system is 3.7% higher than that of the ordinary solar ORC when the solar radiation is 1000 W/m2.

Key words: solar thermal collector, organic Rankine cycle, heat pump cycle, cogeneration

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