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应用快速反应模型和ＳＩＭＰＬＥＣ算法对发生在１ 个简化煤粉炉炉膛还原区段中的天然气再燃烧还原烟气中的ＮＯｘ 反应过程进行了二维数值模拟，得到温度场和ＮＯ 的浓度场，并对模拟结果进行了简要的分析。
The rapid reaction model and SIMPLEC algorithm were used to conduct two-dimensional numerical simulation of NOx reaction in natural gas reburning flue gas in a simplified pulverized coal furnace hearth reduction section. The temperature field and concentration field of NO were obtained. The simulation results are briefly analyzed.