| 200MW燃煤机组SCR脱硝改造关键技术问题解析 |
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| 引用本文： | 李超,于丽新,韩钟国,刘建民,吕晶,李雨朋.200MW燃煤机组SCR脱硝改造关键技术问题解析[J].环境科学与技术,2012(Z2):298-301,304. |
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| 作者姓名： | 李超 于丽新 韩钟国 刘建民 吕晶 李雨朋 |
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| 作者单位： | 辽宁电力科学研究院;霍煤鸿骏铝电有限责任公司 |
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| 摘 要： | 目前,国内200 MW机组SCR脱硝改造尚无样板工程及改造先例。200 MW机组由于其独特地设计,同300 MW以上等级机组相比,脱硝改造的技术方式与改造内容均有较大的差异。文章从国内200 MW机组脱硝改造实际情况出发,从设计参数选取、还原剂选择、SCR反应器布置方式、低氮燃烧器改造、空预器改造及引风机改造、厂用变压器系统改造等关键问题进行了技术分析并提出可行建议,为同等级机组脱硝改造工作提供方法与经验。
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| 关 键 词： | 选择性催化还原法 200MW燃煤机组 关键技术问题 解析 |
The Key Technical Issues Resolution for 200MW Coal-fired Units SCR DeNO_x Transformation |
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| LI Chao,YU Li-xin,HAN Zhong-guo,LIU Jian-min,LV Jing,LI Yu-peng.The Key Technical Issues Resolution for 200MW Coal-fired Units SCR DeNO_x Transformation[J].Environmental Science and Technology,2012(Z2):298-301,304. |
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| Authors: | LI Chao YU Li-xin HAN Zhong-guo LIU Jian-min LV Jing LI Yu-peng |
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| Institution: | 1.Liaoning Electric Power Research Institute,Shenyang Liaoning 110006,China;2.HMHJ Aluminium Electricity Co.,Ltd,huolinguole neimenggu 029200,China) |
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| Abstract: | Currently,There are no model projects and the transformation of precedent about the SCR denitrification transformation of domestic 200 MW unit.Because of its unique design,200 MW unit compared with more than 300 MW rating unit,denitrification transformation content and technical means has a greater difference.In this paper,the actual situation of domestic 200 MW units denitrification transformation.as a starting point,provide a viable proposal from the design parameters and the reductant selected,the SCR reactor layout to the low nitrogen burners modified,air preheater transformation and induced draft fan transformation,high voltage station transformer systems and other key issues,moreover,provide method and experience to the same level units denitrification transformation. |
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| Keywords: | selective catalytic reduction 200 MW coal-fired units key technical issues resolution |
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