阀门组件老化敏感点预警值的确定及老化缓解对策

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Establishment of Alarm Value for Aging Susceptibility Point of Valve Subassembly and Countermeasures for Aging Mitigation

Daya Bay Nuclear Power Operation and Management Co. Ltd., Shenzhen, Guangdong, 518124, China

摘要: 对大亚湾核电站死管段相关的核一级电动阀阀门组件的机械老化机理进行了讨论,并针对阀门组件的失效模式,对老化敏感点进行了识别,选出最重要的老化敏感点进行分析讨论,确定其预警值,最后提出并归纳了一些适合大亚湾核电站实际情况的老化缓解对策。
- 阀门组件 /
- 老化 /
- 敏感点 /
- 预警值
Abstract: The article analyzes the aging mechanism and the possible failure modes of safety class 1 Motor-valve subassembly with dead pipe phenomenon in Daya Bay NPP;The most important aging susceptibility point is screened and discussed,and then the alarm value is established,Finally,some methods for aging mitigation adapted in Daya Bay NPP are brought forward and summarized.
- Valve subassembly /
- Aging /
- Susceptibility point /
- Alarm value