| 电站锅炉高效超低NOx排放控制技术 |
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| 引用本文： | 安恩科,史萌,朱基木,于娟,肖波,宋谦.电站锅炉高效超低NOx排放控制技术[J].锅炉技术,2006,37(2):71-75. |
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| 作者姓名： | 安恩科 史萌 朱基木 于娟 肖波 宋谦 |
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| 作者单位： | 1. 同济大学,热能与环境工程研究所,上海,200092
2. 宝钢股份有限公司电厂,上海,201900 |
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| 摘 要： | 对电站锅炉低NOx燃烧技术进行了重新分类,然后分析其应用中存在的问题,再结合国外NOx排放控制技术的最新科研成果,提出了电站锅炉高效超低NOx排放控制的双分级再还原方法.该方法采用空气分级,煤粉、燃气或生物质进行再燃,同时使用选择性非催化还原NOx技术,而且添加碱金属盐以增效.双分级再还原低NOx燃烧用技术使用约10%的再燃燃料可以达到85%以上的脱硝率.
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| 关 键 词： | 高效 氮氧化物 空气分级 燃料分级 选择性非催化还原 双分级再还原 |
| 文章编号： | CN31-1508(2006)02-0071-05 |
| 修稿时间： | 2005年10月18 |
Uitra Low NOx Emission Control of Utility Boiler with High Combusting Efficiency |
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| AN En-ke,SHI Meng,ZHU Ji-mu,YU Juan,XIAO Bo,SONG Qian.Uitra Low NOx Emission Control of Utility Boiler with High Combusting Efficiency[J].Boiler Technology,2006,37(2):71-75. |
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| Authors: | AN En-ke SHI Meng ZHU Ji-mu YU Juan XIAO Bo SONG Qian |
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| Abstract: | Low NO_x combusting technology are reclassified,next their operating problems are analysed,then double staging re-deoxidized technology is proposed about ultra low NO_x emission control of utility boiler with high combusting efficiency by learning advanced NO_x control technology from abroad.Air staging is used,and it is reburnt by pulverised-coal,gas or biomass,meanwhile NO_x is re-deoxidized by selecting non-catalysed reaction,more its effect is enhanced by alkali metal salts.The technology has up to 85 % NO_x reduction using about 10 % reburning fuel. |
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| Keywords: | high combustion efficiency NO_x staging air staging fuel SNCR double staging re-deoxidized technology |
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