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| 电厂主蒸汽管道安全评定及剩余寿命分析 |
| Safety Evaluation and Remaining Life Analysis of Main Steam Pipes in Power Plants |
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| DOI： |
| 中文关键词: 电厂 蒸汽管道 安全评定 剩余寿命 |
| 英文关键词:power plant,main steam pipe,safety evaluation,remaining life |
| 基金项目: |
| 余俊瑞 周健 |
上海石化热电总厂 上海200540
(余俊瑞)
，上海石化热电总厂 上海200540(周健)
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| 中文摘要: |
| 目前电站设备超期服役是一个普遍存在的问题。本文在现场测试和试验研究的基础上，阐述了电站主蒸汽管道经过长期高温运行后，材料性能的变化及其对安全运行的影响，得出了被检主蒸汽管道的剩余寿命。 |
| 英文摘要: |
| It is a common problem that power generating machines are still in operation beyond their life expectancy. On the basis of the field test and experimental study, the change of material properties after a long period of high-temperature operation and its effect on operation are described, and the remaining life of main steam pipes is analyzed. The experimental results show that the increase of the fragility-transition-temperature is one of the main factors affecting the operating life. |
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