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开式吸收式热泵及在烟气余热回收中的应用

贾红书1,付 林1,张世钢2   

  1. 1清华大学建筑学院,北京 100084;2北京清华同衡规划设计院有限公司,北京 100085
  • 出版日期:2013-12-05 发布日期:2013-12-05

Open absorption heat pump and application in flue gas waste heat recovering

JIA Hongshu1,FU Lin1,ZHANG Shigang2   

  1. 1School of Architecture,Tsinghua University,Beijing 100084,China;2Limited Company of Beijing Tsinghua Tongheng Planning & Design Institute,Beijing 100085,China
  • Online:2013-12-05 Published:2013-12-05

摘要: 开式吸收式热泵具有结构简单、低品位热能驱动、省电等优点,推广利用该技术,对解决目前面临的城市热源不足及提高工业能源利用效率具有重要意义,但运行中存在设备腐蚀、不凝性气体等问题。本文总结了国内外开式吸收式热泵的研究进展,其应用领域涉及供暖、空调、制冷及工业生产,处理气流包括空气、燃烧后烟气,驱动热源包括太阳能、生物质锅炉、天然气锅炉及电厂锅炉等集中热源和分布式能源,结构形式多样化;简述了开式吸收式热泵在工业余热,特别是天然气锅炉烟气余热和湿法脱硫电厂饱和烟气潜热和水回收领域中的应用;分析了运行中出现的溶液腐蚀、不凝气气体及设备堵塞问题,并提出了解决方案。

关键词: 开式吸收式热泵, 余热回收, 烟气, 防腐蚀

Abstract: Simple structure and low grade heat energy requirement are great advantages of open absorption heat pump. Proper use of this technology is important to solve the city heat shortage and improve energy efficiencies in industries. However,equipment corrosion,non-condensable gas and other issues often prevent the application of open absorption pump. This paper summarized the domestic and international research progressed of the open absorption heat pump. It can be used in heating,air conditioning,refrigeration and other industrial processes. Processing media including air,flue gas after combustion,driving heat source can be concentrated heat source and distributed energy,such as solar energy,biomass boiler,gas boiler and power plant boiler. Structures can be different based on heat sources and purposes of applications. Applications of open absorption heat pump in the industrial waste heat recovery,especially flue gas waste heat recovery were also briefly overviewed. The causes and possible solutions to corrosion and non-condensable gas plugging were analyzed as well.

Key words: open absorption heat pump, waste heat recovering, flue gas, anti-corrosion

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