摘要:对600MW燃煤电站SCR系统流场进行优化并试验验证,首先诊断基于原导流板方案下系统喷氨格栅及首层催化剂入口截面内的速度、浓度分布标准偏差,根据诊断结果进行导流板优化方案设计,并研究导流板优化后系统运行特性,最后设计冷模试验进行对比验证。结果表明:导流板优化方案能够有效改善流场、浓度场分布均匀性,AIG截面内流场均匀性相对改善量达54.08%,首层催化剂入口截面内速度、浓度均匀性相对改善量分剐为71.79%和61.17%,冷模试验结果与数值模拟结果吻合良好,最大偏差仅为4.44%,合理的导流板优化布置有助于提升SCR系统的运行性能。
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Journal of Systems Science and Complexity Chinese Optics Letters Advances in Atmospheric Sciences Chinese Annals of Mathematics,Series B Chinese Physics C Nuclear Science and Techniques Science China Mathematics Research in Astronomy and Astrophysics Journal of Systems Engineering and Electronics Transactions of Nonferrous Metals Society of China Chinese Annals of Mathematics Series B Chinese Physics B