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Simultaion Research of Pulverized Coal Boiler Reducing NOx Emissions
Author(s): 
Pages: 26-30,34
Year: Issue:  6
Journal: Industrial Heating

Keyword:  pulverized coal boilersimulationair distributionoverfired air;
Abstract: 为减少煤粉锅炉炉膛出口NOx含量以达到工业排放要求,以Fluent软件为计算平台,对某公司蒸发量为400 t/h的四角切圆煤粉锅炉炉内速度场、温度场及NOx浓度场进行仿真研究.结果表明,均等配风为最佳二次风配风方式;均等配风方式下,燃尽风风量占二次风风量为20%是最佳优化工况,最佳优化工况炉膛出口NOx含量降低了11.50%,且满足炉内燃烧要求.
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