CPR1000型核电机组辅助给水汽动泵蒸汽入口隔离阀开启故障研究

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Root Reason and Solution Research of ASG TDFP Steam Inlet Isolating Valve Failure to Open

摘要: 以中国改进型三环路压水堆(CPR1000)型核电机组在调试过程中辅助给水汽动泵的蒸汽入口隔离阀无法开启的故障现象为例,结合现场调试处理过程,从阀门动作受力分析和阀门工作环境两方面分析故障原因,并提出可行的解决方案。
- CPR1000 /
- 蒸汽隔离阀 /
- 锅炉效应
Abstract: Taking the phenomena of CPR1000 nuclear power plant steam inlet isolating valve of ASG TDFP fail to open as an example, combined with on-site commissioning process, this paper analyzed the fault causes base on the stress analysis and the work environment of the valve, and proposed the simple processing methods in the commissioning process and the reconstruction of the valve when nuclear power plants in service.
- CPR1000 /
- Steam inlet isolating valve /
- Boiler effect