燃气锅炉低氮燃烧改造及应用  

Low Nitrogen Combustion Transformation and Application of Gas Boilers

作　　者：谭文龙 TAN Wenlong

机构地区：[1]广州发展太平能源站有限公司,广东广州510000

出　　处：《今日自动化》2024年第12期72-74,共3页Automation Today

摘　　要：顺应燃气设备的NOx排放限值规范,高效燃烧技术是关键解决途径,实现了燃气锅炉技术减少氮氧化物排放量的目的。文章根据广州发展太平能源站有限公司燃气锅炉实际需求进行燃烧器选型,分析了NOx产生机理,并针对性地研究降低NOx的主要技术和FIR(烟气内循环)+FGR(烟气再循环)低氮燃烧器的燃烧工艺,达到了超低氮排放的目的,为后续的燃气锅炉低氮改造提供了指导意义。In accordance with the NOx emission limit specification of gas equipment,efficient combustion technology is the key solution,which realizes the purpose of reducing nitrogen oxide emissions of gas boiler technology.According to the actual requirements of the gas boiler of Guangzhou Development Taiping Energy Station Co.,LTD.,the burner selection was conducted,the NOx generation mechanism was analyzed,and the main technologies for reducing NOx and the combustion process of FIR(flue gas internal circulation)+FGR(flue gas recirculation)low-nitrogen burners were studied specifically,so as to achieve the goal of ultra-low nitrogen emission.It provides guidance significance for the subsequent low nitrogen transformation of gas boiler.

关 键 词：氮氧化物排放标准 直燃型超低氮燃烧器 炉膛最高温度 FIR+FGR 

分 类 号：TK229.8[动力工程及工程热物理—动力机械及工程]