| 基于PHA的TBM氚系统安全分析 |
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| 引用本文： | 付万发,罗德礼,唐涛.基于PHA的TBM氚系统安全分析[J].核动力工程,2012,33(2):11-14. |
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| 作者姓名： | 付万发 罗德礼 唐涛 |
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| 作者单位： | 中国工程物理研究院,四川绵阳,621900 |
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| 基金项目： | 国家磁约束聚变能研究计划专项(2010GB112001) |
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| 摘 要： | 使用预先危险性分析(PHA)方法对国际热核聚变实验堆计划(ITER)实验包层(TBM)附属氚处理系统的初级氚包容系统进行安全分析。首先给出PHA分析的基本过程,其次简要分析氚系统功能和多重包容安全措施,划分出控制氚迁移的多重包容边界和流体回路边界,确定氚释放为PHA的重点。最后编制出PHA表,分析造成氚危险性释放的原因和危害后果,并给出预防措施。在PHA的基础上,列出应进行深入分析的几种典型事故。对氚设施和其他各种核设施安全水平的评估方法进行初步研究,对影响氚设施安全水平的几类重要因素进行分析,给出核设施安全水平的计算方法。
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| 关 键 词： | 氚处理系统 预先危险性分析 氚释放 典型事故 安全等级 |
Safety Analysis of Tritium Processing System Based on PHA |
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| FU Wan-fa
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LUO De-li
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TANG Tao.Safety Analysis of Tritium Processing System Based on PHA[J].Nuclear Power Engineering,2012,33(2):11-14. |
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| Authors: | FU Wan-fa LUO De-li TANG Tao |
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| Affiliation: | China Academy of Engineering Physics,Mianyang,Sichuan,621900,China |
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| Abstract: | Safety analysis on primary confinement of tritium processing system for TBM was carried out with Preliminary Hazard Analysis.Firstly,the basic PHA process was given.Then the function and safe measures with multiple confinements about tritium system were described and analyzed briefly,dividing the two kinds of boundaries of tritium transferring through,that are multiple confinement systems division and fluid loops division.Analysis on tritium releasing is the key of PHA.Besides,PHA table about tritium releasing was put forward,the causes and harmful results being analyzed,and the safety measures were put forward also.On the basis of PHA,several kinds of typical accidents were supposed to be further analyzed.And 8 factors influencing the tritium safety were analyzed,laying the foundation of evaluating quantitatively the safety grade of various nuclear facilities. |
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| Keywords: | Tritium processing system PHA Tritium releasing Typical accident Safety grade |
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