核设施通风过滤器放射性实时监测可行性模拟研究  

Preliminary Study on Real-time Monitoring Technology for Radioactivity of Ventilation Filters in Nuclear Facilities

作　　者：谢永骥 马翔凤 程璨[2] 夏永震 秦文超 张伟 王欣 XIE Yongi;MA Xiangfeng;CHENG Can;XIA Yongzhen;QIN Wenchao;ZHANG Wei;WANG Xin(China Nuclear Power Engineering Co.Ltd.,Beijing 100840,China;Nanjing University of Aeronautics and Astronautics,Nanjing 211106,China)

机构地区：[1]中国核电工程有限公司,北京100840 [2]南京航空航天大学,南京211106

出　　处：《核电子学与探测技术》2024年第3期523-527,共5页Nuclear Electronics & Detection Technology

摘　　要：为优化测量核设施通风过滤器放射性水平中工作人员手持便携式仪表贴近过滤器测量的现状,模拟研究了将γ射线剂量率测量设备放置于通风过滤器内部实时监测的可行性。采用MCNP程序分别对GM管探测器和闪烁体探测器进行了模拟计算,并进行了优化设计。研究结果表明:该方法切实可行,具有良好的应用前景。In order to optimize the current situation of workers'portable instruments close to the filter in measuring the radioactivity level of ventilation filters in nuclear facilities,the feasibility of placing dose rate measuring equipment inside the ventilation filters for real-time monitoring was simulated.The Geiger Miller(GM)tube detector and scintillator detector were simulated and analyzed by using MCNP code,and the optimization design was carried out.The results show that the method is feasible and has good application prospects.

关 键 词：通风过滤器 放射性监测 模拟分析 

分 类 号：TL81[核科学技术—核技术及应用]