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热力发电  2015 

改进型ht?nr3旋流燃烧器在超(超)临界机组锅炉上的应用

, PP. 91-97

Keywords: 锅炉,旋流燃烧器,对冲燃烧,燃烧调整,co浓度,nox排放

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Abstract:

以2台超(超)临界机组锅炉为例,介绍了改进型ht-nr3旋流燃烧器的运行特点及燃烧调整试验结果,分析了其配风参数对锅炉运行经济性及环保性能的影响,并针对旋流对冲燃烧锅炉普遍存在的尾部co浓度高、侧墙水冷壁高温腐蚀、燃烧器喷口结渣、左右两侧汽温及氧量偏差大等问题,提出了对主燃烧器内二次风口及外旋流风叶片开度、燃尽风燃烧器外旋流风及内直流风口开度、两侧风箱挡板开度等的调整措施,以实现旋流低氮燃烧器的高效、低污染燃烧。

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