| 680t／h电站锅炉高温过热器爆管原因分析及预防措施 |
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| 引用本文： | 王小聪,黎华,马括,卢忠铭.680t／h电站锅炉高温过热器爆管原因分析及预防措施[J].理化检验(物理分册),2012(11):770-772. |
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| 作者姓名： | 王小聪 黎华 马括 卢忠铭 |
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| 作者单位： | 广州市特种承压设备检测研究院 |
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| 摘 要： | 某台680t／h电站锅炉高温过热器最近发生两起爆管事故，通过对爆管样管进行宏观检验、化学成分分析和金相检验判断爆管的根本原因。结果表明：由于长时间超温运行导致管子早期蠕变引起爆管，并采取了有效的预防措施。
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| 关 键 词： | 高温过热器 爆管 超温 早期蠕变 措施 |
Cause Analysis and Preventive Measures on Bursting of High Temperature Superheater Tubes of 680 t/h Power Station Boiler |
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| WANG Xiao-cong,LI Hua,MA Kuo,LU Zhong-ming.Cause Analysis and Preventive Measures on Bursting of High Temperature Superheater Tubes of 680 t/h Power Station Boiler[J].Physical Testing and Chemical Analysis Part A:Physical Testing,2012(11):770-772. |
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| Authors: | WANG Xiao-cong LI Hua MA Kuo LU Zhong-ming |
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| Affiliation: | (Guangzhou Special Pressure Equipment Inspection and Research Institute,Guangzhou 510100,China) |
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| Abstract: | Bursting of high temperature superheater tubes of 680 t/h power station boiler coccured twice reeently, and macroscopic examination, chemical compositions analysis and metallographic examination were investigated to find the casuse, the results showed that the failure was due to overheat which led to primary creep, then some effective prevention measures were taken. |
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| Keywords: | high temperature superheater burst tube overheating primary creep measure |
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