| 轴向型双挡板煤粉分离器的应用及效益分析 |
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| 引用本文： | 朱光明,杨剑峰,段学农,陈一平,焦庆丰,杭才琪,杭文华.轴向型双挡板煤粉分离器的应用及效益分析[J].电力技术经济,2009,21(3):48-52. |
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| 作者姓名： | 朱光明 杨剑峰 段学农 陈一平 焦庆丰 杭才琪 杭文华 |
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| 作者单位： | 1. 湖南省电力公司试验研究院,湖南,长沙,410007
2. 华锦电力设备修造有限公司,江苏无锡,214125 |
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| 摘 要： | 从理论上阐述了低挥发分燃煤的煤粉细度控制对锅炉燃烧经济性和稳定性的影响。介绍了双进双出磨煤机轴向型双挡板粗粉分离器的工作原理及其在湖南大唐某发电公司600MW超临界对冲燃烧锅炉上的应用情况。通过进行煤粉细度对比测试，证明了分离器改造有效，稳定地提高了煤粉细度，且分离器堵塞状况大为改善。参考有关文献数据,评估了煤粉细度水平提高对飞灰可燃物下降产生的效果。
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| 关 键 词： | 电力技术经济 锅炉 制粉系统 粗粉分离器 轴向 双挡板 |
Application and Benefit Analysis of Axial Double-Baffle Classifier Installed in Supercritical Generating Unit |
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| ZHU Guang-ming,YANG Jian-feng,DUAN Xue-nong,CHEN Yi-ping,JIAO Qing-feng,HANG Cai-qi,HANG Wen-hua.Application and Benefit Analysis of Axial Double-Baffle Classifier Installed in Supercritical Generating Unit[J].Electric Power Technologic Economics,2009,21(3):48-52. |
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| Authors: | ZHU Guang-ming YANG Jian-feng DUAN Xue-nong CHEN Yi-ping JIAO Qing-feng HANG Cai-qi HANG Wen-hua |
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| Institution: | 1. Hunan Electric Power Test & Research Institute;Changsha 410007;China;2.Huajin Electric Equipment Manufacturing & Repairing Co.;Ltd;Wuxi 214125;China |
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| Abstract: | This paper presents a theoretical analysis on the effects of fineness control of low-volatilecoals on the economical efficiency and the stability of the boiler combustion. It expounds the working principle of the axial double-baffle classifier for the double-ended mill and its application in a 600 MW supercritical cross-firing unit. The comparative analysis proves that the innovation on the classifier is effective, since it helps to make pulverized coal even thinner, and substantially reduce jamming on the ... |
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| Keywords: | power techno-economics boiler milling system classifier axial double-baffle |
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