目的 B型货包为GB 11806—2019[1]规定的一种货包,本文对货包包容安全分析方法开展研究,保证货包运输过程中的包容安全。方法 本文通过解读标准中关于包容的要求,明确需要在设计阶段、制造阶段、装运阶段和运行阶段开展包容安全分析。本方法主要采用泄漏率检验作为包容要求的主要验证手段,并给出包容要求转化为最大容许检验泄漏率的方法和要点。结果 通过在设计阶段、制造阶段、装运阶段和运行阶段开展泄漏率检验,泄漏率检验结果满足最大容许检验泄漏率要求的,即满足GB 11806—2019中包容要求。结论 本文给出了一种B型货包的包容安全分析方法,通过本方法,可采用泄漏率检验的方式验证货包包容系统性能满足GB 11806—2019中的包容要求,保证B型货包的包容安全。
Abstract
Type B packages are a type of package specified in GB 11806-2019[1]. The work aims to study containment safety analysis methods for packages to ensure containment safety during package transportation. By interpreting the containment requirements in the standard, it was clarified that containment safety analysis should be carried out in the design, manufacturing, transportation, and operation stages. This method mainly adopted leakage rate test as the main verification means for containment requirements and provided the method and key points for converting containment requirements into the maximum allowable test leakage rate. According to the results of leakage rate tests conducted in each stage, if the leakage rate test results met the maximum allowable test leakage rate requirements, it meant that the containment requirements in the standard GB 11806-2019 were met. A containment safety analysis method applicable to Type B packages is proposed. Leak rate tests performed via this method can validate the compliance of package containment system performance with the containment criteria set forth in GB 11806-2019, thereby ensuring the containment safety of Type B packages.
关键词
B型货包 /
包容系统 /
泄漏率检验 /
放射性物品运输
Key words
Type B package /
containment system /
leakage rate test /
transport of radioactive materials
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参考文献
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