New heat integration system with bypass flue based on the rational utilization of low-grade extraction steam in a coal-fired power plant

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• 作者：Yu Han ; Gang Xu ; ^{xg2008@ncepu.edu.cn} ; Qingqing Zheng ; Cheng Xu ; Yue Hu ; Yongping Yang ; Jing Lei
• 关键词：Waste heat recovery ; Heat integration ; Energy-saving effect ; Graphical exergy analysis ; Techno-economic analysis
• 刊名：Applied Thermal Engineering
• 出版年：2017
• 出版时间：25 February 2017
• 年：2017
• 卷：113
• 期：Complete
• 页码：460-471
• 全文大小：855 K
• 卷排序：113

文摘

A steam-air heater is added in the air preheating process. The portion of flue gas in the bypass is increased in the proposed system. Higher energy efficiency and greater economic benefits are achieved. Lower exergy reduction in the air preheating process is achieved.