摘要
对于燃煤锅炉而言,NOx生成的影响因素较多、生成特性也较为复杂。与此同时,影响因素又受煤质条件、运行状况、生产调度的限制,加大了常规试验的难度及工作量。文中以四角切圆锅炉为原型,在已有FLUENT数值模型的基础上,进行多种运行参数在不同水平下的燃烧数值模拟分析,定性分析各因素对NOx排放的影响规律,得出主要影响因素,以辅助、简化现场试验。
Due to the complexity of practical factors having effects on the formation of NOx in coal-fired boilers as well as coal characteristics,operation conditions and so on,it＇s much difficult to analyze associated issues just using traditional experiments.In order to estimate different parameters influencing the emission of NOx and specify the key factor,numerical model using software FLUENT has been developed in the paper just for the simulation of combustions under several operation parameters.The mechanism can then be analyzed qualitatively,and the experiments can also be simplified.
出处
《江苏电机工程》
2011年第4期8-12,共5页
Jiangsu Electrical Engineering
关键词
锅炉
NOx
数值模拟
定性分析
boiler
NOx
numerical simulation
qualitative analysis
