SCR脱硝反应器内烟气与氨均混的数值模拟
Numerical Simulation for Uniform Mixing of Flue Gas and Ammonia in the Selective Catalytic Reduction Denitration Reactor
摘 要
为了改善选择性催化还原(SCR)脱硝反应器内烟气与氨气的混合效果, 提出3种导流板布置方案, 应用数值模拟方法分析了导流板布置方式对SCR反应器内烟气流场与氨浓度分布的影响。分析结果表明:不同的导流板布置方式对烟气与氨气混合效果具有重要影响, 采用3块导流板不均匀布置的方案具有最佳的混合效果。
均混
导流板
数值模拟
denitration reactor
uniform mixing
flow deflectors
numerical simulation
Abstract
In order to improve the mixing effect of the flue gas and ammonia in SCR(selective catalytic reduction) denitration reactor, three layout methods for deflectors are proposed. A numerical simulation has been applied for the study on the field of flue gas and ammonia distribution under different layout methods of deflectors in the SCR reactor.The results show that different layout types of flow deflectors have important influence on the mixing of flue gas and ammonia,and program 3 has the best mixing results.
中图分类号 TK121
所属栏目 成果与经验
基金项目 湖南省科学技术厅科技计划项目“选择性催化还原脱硝均混技术研究”(2010GK3207)
收稿日期 2011/4/7
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备注彭慧(1985-), 女, 硕士研究生, 从事选择性催化还原脱硝均混技术研究。
引用该论文: Peng Hui,Jiang Changwei,Chen Donglin,Liu Xiaobo,Feng Yanlin,Zeng Zhaoliang. Numerical Simulation for Uniform Mixing of Flue Gas and Ammonia in the Selective Catalytic Reduction Denitration Reactor[J]. Power & Energy, 2011, 32(4): 335～337
彭慧,姜昌伟,陈冬林,刘小波,冯延林,曾昭良. SCR脱硝反应器内烟气与氨均混的数值模拟[J]. 电力与能源, 2011, 32(4): 335～337
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