某汽车安全系统生产企业85Kr检漏系统职业病危害放射防护现状  

Evaluation of radiological protection status of occupational disease hazards in 85Kr leak detection system of an automobile safety system manufacturer

作　　者：胡凌艳 宋志伟 陈渝 赵潇 刘超 刘超 刘仓 刘寅超 常琴琴 邢亚飞 HU Ling-yan;SONG Zhi-wei;CHEN Yu;ZHAO Xiao;LIU Chao;LIU Cang;LIU Yin-chao;CHANG Qin-qin;XING Ya-fei(Laboratory of Radiation Protection and Sanitary Engineering,Institute of Hygiene of the Ordnance Indusry,Xi'an,Shaanxi 710065,China)

机构地区：[1]兵器工业卫生研究所放射防护与卫生工程研究室,陕西西安710065

出　　处：《中国卫生工程学》2022年第4期539-541,545,共4页Chinese Journal of Public Health Engineering

摘　　要：目的评价西安市某汽车安全系统生产企业放射性同位素^(85)Kr气体检漏系统放射防护现状,以保障放射工作人员、公众的健康与安全。方法使用AT1123 X、γ辐射检测仪及COMO170α、β表面污染仪,按照GB/T 14056.1—2008《表面污染测定第一部分:β发射体和α发射体》和GB 11930—2010《操作非密封源的辐射防护规定》的要求进行检测。结果^(85)Kr铅储罐外5 cm外γ射线周围剂量当量率最高(38.2μSv/h),^(85)Kr铅储罐表面β表面污染水平最高(2.5 Bq/cm^(2)),^(85)Kr气体检漏系统操作人员年有效剂量为0.665 mSv,符合GB/T 14056.1—2008《表面污染测定第1部分:β发射体和α发射体》的要求。结论正常运行并严格按操作规程操作^(85)Kr气体检漏系统,能够保障放射工作人员和公众的健康与安全。Objective To ensure the health and safety of radiation workers and the public, this paper conducted radiological isotope^(85)Kr gas leak detection system for a vehicle safety system manufacturer in Xi′an to evaluate the current status of radiological protection.Methods AT1123 X, γ radiation detector and COMO170α, β surface contamination detector were used for detection in accordance with the requirements of GB/T14056.1—2008 Determination of surface contamination part I: β emitters and α Emitters and GB 11930—2010 Radiation Protection Provisions for Operating Unsealed sources;Results The highest peripheral dose equivalent rate(38.2 μSv/h) was observed at 5 cm outside the 85 ^(85)Kr lead storage tank, and the highest β surface contamination level(2.5 Bq/cm^(2)) was observed at the 85 ^(85)Kr lead storage tank. The annual effective dose of the operator of the^(85)Kr gas leak detection system was 0.665 mSv, which met the requirements of GB/T 14056.1—2008 Surface Contamination Determination Part I: β Emitters and α Emitters. Conclusion The^(85)Kr gas leak detection system is operated normally and in strict accordance with the operating procedures to ensure the health and safety of the radiation workers and the public.

关 键 词：^(85)Kr气体检漏系统 放射防护 现状分析 

分 类 号：R135[医药卫生—劳动卫生]