FGR技术对燃气工业锅炉额定出力及热效率的影响分析  

The influence analysis of FGR technology on output and thermal efficiency of gas industrial boiler

作　　者：李冬屹[1] 郑桂红[1] 许崇涛[1] 张宝祥[1] LI Dongyi;Zheng Guihong;Xu Chongtao;Zhang Baoxiang(Tianjin Special Equipment Inspection Institute of Technology,Tianjin,300192,China)

机构地区：[1]天津市特种设备监督检验技术研究院,天津300192

出　　处：《机械设计与制造工程》2020年第5期121-124,共4页Machine Design and Manufacturing Engineering

基　　金：天津市市场和质量监督管理委员会科技计划项目(2018-W22)

摘　　要：燃气工业锅炉燃烧会产生大量氮氧化物,污染环境。分析了氮氧化物产生的机理,介绍了低氮改造技术的基本原理。对两台不同型号、采用不同形式进行烟气再循环(FGR)技术改造的锅炉进行多工况下的能效测试,通过对现场测试所得数据进行计算,分析了不同形式的烟气再循环改造技术对锅炉额定出力及不同工况下热效率的影响。The combustion of gas industrial boilers produces a lot of nitrogen oxides,which harms the environment.Therefore,low nitrogen modification is needed.It introduces the modification of low nitrogen to affect the rated output and thermal efficiency of the boiler.It presents the basic principle of FGR technology,tests and calculates the data obtained from field testing,obtains the efficiency of two boilers with different models and different FGR transformation forms under multiple working conditions,analyzes the influence of different types of FGR on boiler rated output and thermal efficiency under different working conditions.

关 键 词：额定出力 热效率 低氮改造 烟气再循环 

分 类 号：TK229.8[动力工程及工程热物理—动力机械及工程]