核电厂通风系统碘吸附器效率试验安全性分析  

Safety analysis on efficiency test of iodine absorbers in ventilation systems of nuclear power plants

作　　者：姚岩岩 高琳锋[2] 吴振龙 赵高昕 YAO Yanyan;GAO Linfeng;WU Zhenlong;ZHAO Gaoxin(Yangjiang Nuclear Power Co.,Ltd.,Guangdong Yangjiang 529941;China Institute for Radiation Protection,Taiyuan 030006;Liaoning Hongyanhe Nuclear Power Co.,Ltd.,Liaoning Dalian 116001)

机构地区：[1]阳江核电有限公司,广东阳江529941 [2]中国辐射防护研究院,太原030006 [3]辽宁红沿河核电有限公司,辽宁大连116001

出　　处：《辐射防护》2020年第1期45-51,共7页Radiation Protection

摘　　要：概述了核电站通风系统碘吸附器效率试验的两种方法:氟利昂法和放射性甲基碘法,并分析了每种方法实现方式及应用过程中的优缺点。对碘吸附器现场效率试验安全性进行了详细分析,并对不安全因素提出了相应的预防和处理措施,具体包括试验过程相关的安全性、系统运行条件相关的安全性以及防止除碘回路失效三个方面。This paper outlines two methods for the efficiency test of iodine adsorbers in ventilation systems of nuclear power plants: Freon method and radioactive methyl iodide method,and analyzes the implementation way of each method and the advantages and disadvantages under each application process. The safety of the on-site efficiency test for iodine adsorbers is analyzed in detail,and the corresponding preventive and treatment measures are proposed for the unsafe factors,which including the safety related to testing process and safety related to operating conditions,as well as the failure of the iodine removal circuit.

关 键 词：碘吸附器 氟利昂 泄漏率 甲基碘 安全性 

分 类 号：TL71[核科学技术—辐射防护及环境保护] R141[医药卫生—公共卫生与预防医学]