| 300 MW机组低负荷锅炉管壁超温原因分析 |
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| 引用本文： | 芮文明,魏健鹏,牛世斌.300 MW机组低负荷锅炉管壁超温原因分析[J].发电设备,2019,33(4):285-288,292. |
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| 作者姓名： | 芮文明 魏健鹏 牛世斌 |
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| 作者单位： | 国网甘肃省电力公司电力科学研究院,兰州,730070;中国铝业兰州分公司自备电厂,兰州,730070 |
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| 摘 要： | 针对某电厂机组在低负荷运行时,锅炉过热器管发生出列变形、超温及蠕胀甚至爆管等问题,对高温过热器管进行材质分析、力学性能分析和金相显微组织分析,提出机组在低负荷和变负荷的运行调整措施及停炉期间的技术监督,调整后过热器超温及爆管现象明显好转。
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| 关 键 词： | 锅炉 低负荷 过热器 蠕胀 超温 爆管 |
Cause Analysis of Tube Wall Overheating during Low-load Operation of a 300 MW Boiler |
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| Rui Wenming,Wei Jianpeng,Niu Shibin.Cause Analysis of Tube Wall Overheating during Low-load Operation of a 300 MW Boiler[J].Power Equipment,2019,33(4):285-288,292. |
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| Authors: | Rui Wenming Wei Jianpeng Niu Shibin |
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| Affiliation: | (Electric Power Research Institute,State Grid Gansu Electric Power Company,Lanzhou 730070,China;Lanzhou Branch Self-provided Power Plantof China Aluminum Corporation,Lanzhou 730070,China) |
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| Abstract: | Rui Wenming;Wei Jianpeng;Niu Shibin(Electric Power Research Institute,State Grid Gansu Electric Power Company,Lanzhou 730070,China;Lanzhou Branch Self-provided Power Plantof China Aluminum Corporation,Lanzhou 730070,China) |
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| Keywords: | boiler low-load operation superheater creep expansion overheating tube burst |
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