350MW四角切圆燃用无烟煤锅炉低NOx燃烧数值模拟的研究及优化调整
Boiler Technology（2016）
Abstract
针对1台350 MW燃用无烟煤四角切圆锅炉,研究了三次风浓淡分离器,对三次风进行了浓淡分离,预测了浓、淡三次风从燃烧器不同高度进入炉膛,对炉内NOx生成的影响.模拟结果表明:三次风对炉内NOx生成有重要影响,浓三次风深度下移后炉内NOx大幅下降.根据数值模拟结果对锅炉进行燃烧优化调整后,实测炉膛出口NOx排放值比优化调整前降低了30％以上.
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