基于辐照脆化的反应堆压力容器60年设计寿命改进分析

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Research of 60-Year Design Life for Domestic PWR Reactor Pressure Vessel Based on Irradiation Embrittlement

Science and Technology on Reactor System Design Technology Laboratory, Nuclear Power Institute of China, Chengdu, 610041

摘要: 反应堆压力容器(RPV)结构材料的辐照脆化是限制其使用寿命的最关键因素。本文着重从RPV材料辐照脆化机理研究出发,通过对比和分析M310、CNP1000、AP1000和EPR等堆型RPV材料、结构设计和辐照监督设计要求,对实现RPV 60年设计寿命的影响因素进行探讨,提出可在国内自主研发与制造的二代改进型及三代核电上实施的满足RPV 60年设计寿命的几项优化措施。
- 反应堆压力容器(RPV) /
- 辐照脆化 /
- 60年设计寿命 /
- 改进分析
Abstract: Reactor pressure vessel is one of the most important equipments of PWR nuclear power plants.The life of nuclear power plants depends on the life of RPV.Based on the research of irradiation embrittlement of RPV materials,a comparison among the design of material,structure design,irradiation surveillance of M310,CNP1000,AP1000 and EPR is made in this paper,and also a discussion for 60-year design life is taken.Then several measures meeting 60-year design life of RPV are put forward.
- Reactor pressure vessel /
- Irradiation embrittlement /
- 60-year design life /
- Improvement analysis