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Numerical Investigation on Heat Transfer and Combustion in a 2955 t/h Tangential-Firing Round Tower Boiler
Pages: 863-866
Year: Issue:  5
Journal: Journal of Engineering Thermophysics

Keyword:  超超临界锅炉 数值模拟 温度偏差 NO_x排放;
Abstract: 通过数值模拟对2955t/h超超临界塔式炉炉膛内燃烧过程进行研究,给出了炉内流场、温度场的分布规律以及NO2排放的影响规律。结果表明,采用同心切圆燃烧方式、CCOFA风和SOFA风对燃烧区域过量空气系数的多级控制,实现了炉膛出口烟温偏差小、NOx的排放量低的要求,数值模拟与试验数据相比,两者基本吻合。
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