发电技术 ›› 2022, Vol. 43 ›› Issue (6): 942-950.DOI: 10.12096/j.2096-4528.pgt.21015

• 发电及环境保护 • 上一篇    下一篇

喷射式冷电联供系统优化分析

王宇兴1,2, 赵彦杰3, 杨湛晔1, 张虎润1, 林曼妮2   

  1. 1.海南绿色能源与环境工程技术研究院, 海南省 海口市 570125
    2.海南天能电力有限公司, 海南省 海口市 570125
    3.天津大学机械工程学院, 天津市 津南区 300350
  • 收稿日期:2022-03-04 出版日期:2022-12-31 发布日期:2023-01-03
  • 作者简介:王宇兴(1971),男,高级工程师,主要从事清洁能源及综合能源产业管理研究,wangyuxing@hnhold.cn
    赵彦杰(1989),男,博士,讲师,主要从事热能储存和相变换热研究,yj_zhao@tju.edu.cn
    杨湛晔(1981),男,硕士,高级工程师,主要从事分布式能源微网、能源互联网研究,本文通信作者,kirksharp@foxmail.com;
    张虎润(1968),男,高级工程师,主要从事热能工程、清洁能源产业及技术研究,13379825186@189.cn
    林曼妮(1979),女,工程师,主要从事光伏及综合能源建设管理工作,562837260@qq.com
  • 基金资助:
    国家重点研发计划项目(2018YFB0905103);海南省重点研发计划项目(ZDYF2018003);海南省自然科学基金项目(521RC1110)

Optimization Analysis of a Combined Ejector-cooling and Power System

Yuxing WANG1,2, Yanjie ZHAO3, Zhanye YANG1, Hurun ZHANG1, Manni LIN2   

  1. 1.Hainan Institute of Clean Energy & Environment Engineering Technology, Haikou 570125, Hainan Province, China
    2.Hainan Tianneng Power Co. , Ltd. , Haikou 570125, Hainan Province, China
    3.School of Mechanical Engineering, Tianjin University, Jinnan District, Tianjin 300350, China
  • Received:2022-03-04 Published:2022-12-31 Online:2023-01-03
  • Supported by:
    National Key Research and Development Program(2018YFB0905103);Hainan Key Research and Development Program(ZDYF2018003);Hainan Provincial Natural Science Foundation(521RC1110)

摘要:

随着社会的发展,能源形势日益严峻,环境保护要求也越来越高,如何提高能源利用效率实现社会的可持续发展,成为越来越多学者的研究目标。基于能量品位进行梯级利用、多能互补的分布式能源系统是能源技术的重要发展方向,将正向有机朗肯循环和逆向制冷循环耦合的冷电联合循环是其中的一种形式。喷射器是冷电联合循环中的关键部件,应用一维等压混合模型对喷射器进行建模,并对循环进行热效率和?效率分析,包括冷凝温度、蒸发温度、蒸汽发生器出口温度和排气压力对循环性能的影响。对系统进行?分析发现,在蒸汽发生器、冷凝器和喷射器中?损失最大。

关键词: 冷电联合循环, 喷射器, 热力学分析, 热效率, ?效率

Abstract:

With the development of society, severe energy situation, as well as higher and higher environmental protection requirements, how to improve energy efficiency and achieve sustainable development of society has become the research goal of more and more scholars. The cascade utilization based on energy grade and multi-energy complementary distributed energy system are the important development direction of energy technology in the future. One of them is the combined cooling and electricity cycle, which combines the organic Rankine cycle with the ejector refrigeration cycle. The ejector is the key component in the combined cycle of cooling and electricity. The ejector was modeled by the most commonly used one-dimensional isobaric mixing model. The thermal efficiency and exergy efficiency of the cycle were analyzed. The effects of condensation temperature, evaporation temperature, outlet temperature of steam generator and exhaust pressure on the cycle performance were analyzed. The analysis of the system shows that the greatest loss occurs in steam generator, condenser and ejector.

Key words: combined cooling and power cycle, ejector, thermodynamic analysis, thermal efficiency, exergy efficiency

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