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以国内某石化工厂的重整加热炉为分析对象,采用计算流体力学(CFD)方法对其炉内不同空气温度、不同过量空气系数工况下的燃烧状况进行数值模拟,得出了重整加热炉低NO_X燃烧过程中的速度场、温度场和氮氧化物分布特性,分析了不同空气温度、过量空气系数下的各流场特点,和其对NO_X生成的影响。研究结果反应了一定的趋势,对重整加热炉的设计、布置和运行提供了指导。
Taking the reformer furnace of a petrochemical plant in China as the analysis object, the CFD method was used to simulate the combustion conditions under different air temperature and excess air ratio in the furnace. The results showed that the reforming heating The distribution of velocity field, temperature field and nitrogen oxides during low NO_X combustion process were analyzed. The characteristics of each flow field under different air temperature and excess air ratio were analyzed and their effects on NO_X generation were analyzed. The results reflect a certain trend and provide guidance on the design, layout and operation of the reformer furnace.