分级燃烧技术在电站锅炉低NOx排放中的应用 |
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引用本文: | 李岸然.分级燃烧技术在电站锅炉低NOx排放中的应用[J].电力环境保护,2013(6):26-28. |
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作者姓名: | 李岸然 |
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作者单位: | 广东国华粤电台山发电有限公司,广东台山529228 |
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摘 要: | 分级燃烧技术是较为成熟的电站锅炉降氮燃烧技术,通过将炉膛二次风重新分配,使燃料经历富燃料和富氧两个过程,有效抑制了NOx的形成.台山电厂2号锅炉是典型的亚临界汽包炉,应用分级燃烧原理的低氮燃烧系统,降低了主燃区的氧浓度和温度,将炉膛出口NOx浓度由400 mg/m3降低到150 mg/m3,减排效果显著.
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关 键 词: | 电站锅炉 分级燃烧 低氮燃烧 氮氧化物 |
Application of staged combustion technology in low NOx emission of boiler |
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Abstract: | Staged combustion technology is a kind of mature low NO combustion technology in the power plant boiler,which to reduce the production of N(), by making fuel through excess fuel and excess oxygen two proces- ses in boiler furnace. Refitted low NO combustion system based on staged combustion, No. 2 boiler of Taishan power plant,a typical subcritical boiler, reduced the temperature of the main combustion area and oxygen con- centration,and the emission comcentration of NO lowered from 400 mg/m to 150 mg/m,achieving remarkable NO, emission reduction. |
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Keywords: | coal - fired boiler staged combustion technology emission reduction NO |
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