| 锅炉水冷壁爆管原因分析 |
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| 引用本文： | 孙涛,冯砚厅,李巨峰,柯浩,吴楠. 锅炉水冷壁爆管原因分析[J]. 河北电力技术, 2009, 0(2) |
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| 作者姓名： | 孙涛 冯砚厅 李巨峰 柯浩 吴楠 |
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| 作者单位： | 河北省电力研究院,石家庄,050021;华能山东石岛核电有限公司,山东,荣成,264300 |
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| 摘 要： | 采用宏观检查、化学成分分析、机械性能测试、金相分析等方法对锅炉水冷壁爆管原因进行分析,各项检验结果表明,在焊接过热形成的粗糙内壁处发生高温蒸汽腐蚀及氢损伤是导致该水冷壁管爆管的主要原因.通过分析高温蒸汽腐蚀及氢损伤产生机理,提出避免水冷壁爆管的措施.
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| 关 键 词： | 锅炉 水冷壁 爆管 高温蒸汽腐蚀 氢损伤 |
Causes Analysis on Tube Bursting of Boiler Water Wall |
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| Sun Tao,Feng Yanting,Li Jufeng,et al. Causes Analysis on Tube Bursting of Boiler Water Wall[J]. Hebei Electric Power, 2009, 0(2) |
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| Authors: | Sun Tao Feng Yanting Li Jufeng et al |
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| Abstract: | In order to analyze the reason of the boiler's water wall tube bursting,macrostructure,chemical composition check,metallographic check,tensile testing at ambient temperature and other tests are made,and the results are indicated that the high temperature steam corrosion and hydrogen damage of the rough tube wall which was caused by overheating welding is the main cause of the tube bursting.Through analyzing the mechanism of high temperature steam corrosion and hydrogen damage,and according to the reason of ... |
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| Keywords: | boiler water wall tube bursting high temperature steam corrosion hydrogen damage |
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