基于错对中分析的M310堆型中子测量管座位置度设计

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Position Design for Instrumentation Penetration of Reactor Vessel Based on None-Alignment Analysis

摘要: 压力容器中子测量管座位置度是影响压力容器中子测量管座与堆内构件仪表套管错对中最为重要的因素之一。中子测量管座与仪表套管的错对中越大,中子注量测量通道内指套管的磨损越剧烈,中子注量测量探测器也越容易损坏,进而造成较大的安全隐患和经济损失。本文通过对中子测量管座与仪表套管的错对中分析,并结合在运核电厂制造经验反馈,提出中子测量管座相对合理的位置度设计要求。
- 错对中分析 /
- 中子测量管座 /
- 位置度 /
- 设计
Abstract: The position of the instrumentation penetrations of the reactor pressure vessel is the most important factor that influences the none-alignment between instrumentation penetrations and instrumentation tube of reactor internals. The more the none-alignment, the more wear the flux thimble will suffer, which will damage the flux detector and cause economic losses. This paper analyses the none-alignment between instrumentation penetrations and instrumentation tube, and combines the feedback of the experience in nuclear power plants having been built or being build, puts forward the reasonable design value for the instrumentation penetrations’ position.
- None-alignment analysis /
- Instrumentation penetrations /
- Position /
- Design