核电厂低压缸汽轮机转子叶片的渗透检测
Penetration inspection of rotor blades of low pressure cylinder steam turbine in nuclear power plant
摘 要
针对国内某核电厂运行期间发生汽轮机叶片断裂事件，通过对叶片运行时的受力情况及易产生缺陷区域进行分析，明确了缺陷不能被完全检出的原因；通过比较试验法，改进并确定了最优的渗透检测工艺，并在核电厂大修中取得良好效果。
叶片缺陷区域
渗透检测
analysis of blade stress
defect area of blade
penetration inspection
Abstract
During the operation of a domestic nuclear power plant, turbine blade fracture occurred. This paper analyzes the reason why the defects can not be completely detected by understanding the stress condition of the blade during operation and the defect area of the blade. Through the comparative test method, the optimal penetrant inspection process is improved and determined, which has achieved good results in the overhaul of nuclear power plant.
中图分类号 TG115.28 DOI 10.11973/wsjc202102016
所属栏目 实践经验
基金项目
收稿日期 2020/7/9
修改稿日期
网络出版日期
作者单位点击查看
联系人作者陈斐(332949731@qq.com)
备注陈斐(1987-),男,工程师,主要从事核电设备的无损检测工作
引用该论文: CHEN Fei,LI Peng,LI Xin. Penetration inspection of rotor blades of low pressure cylinder steam turbine in nuclear power plant[J]. Nondestructive Testing, 2021, 43(2): 76～78
陈斐,李朋,李鑫. 核电厂低压缸汽轮机转子叶片的渗透检测[J]. 无损检测, 2021, 43(2): 76～78
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参考文献
【1】王勇, 孙文杰. 电厂汽轮机设备及运行[M]. 北京:中国电力出版社, 2010.
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