大亚湾地下实验室氡浓度测量与评估  

Measurement and Evaluation of Radon Concentration in Daya Bay Underground Laboratory

作　　者：徐程 郭聪 丘寿康[1] 张永鹏 唐泉[1] 刘金昌[2] 安广朋[2,3] 龙亮 周莉 胡涛[2,3] XU Cheng;GUO Cong;QIU Shou-kang;ZHANG Yong-peng;TANG Quan;LIU Jin-chang;AN Guang-peng;LONG Liang;ZHOU Li;HU Tao(School of Nuclear Science and Technology,University of South ChinaHengyang,Hunan 421001,China;Institute of High Energy Physics CAS,Beijing 100049,China;State Key Laboratory of Particle Detection and Electronics,Beijing 100049,China)

机构地区：[1]南华大学核科学技术学院,湖南衡阳421001 [2]中国科学院高能物理研究所,北京100049 [3]核探测与核电子学国家重点实验室,北京100049

出　　处：《核电子学与探测技术》2018年第3期341-345,共5页Nuclear Electronics & Detection Technology

基　　金：中国科学院先导专项(XDA10010500);国家自然科学基金(11390384)资助

摘　　要：采用多种测氡方法对大亚湾反应堆中微子地下实验室空气及水中氡浓度,大厅墙壁及水池壁氡析出率进行了评估。测量数据显示:大亚湾地下实验室大厅墙壁不同地点的氡析出率值大小相差较大,但水池中的水氡浓度依然呈现出靠近水池壁处更高的现象。氮封及膜覆盖对地下实验厅及水池中氡浓度的降低有作用。In this paper,a variety of methods for measuring radon were used to evaluate the radon concentration in the air and water radon in the underground neutron laboratory of the Daya Bay reactor,as well as the wall of the hall,and the rate of precipitation of the pool wall.The measurement data show that the values of the radon outflow rate at different locations on the walls of the underground lab hall in Daya Bay are quite different,but the radon concentration in the pool still shows a higher phenomenon near the wall of the pool.Nitrogen seals and membrane coverage have an effect on the reduction of radon concentrations in underground laboratory halls and pools.

关 键 词：地下实验室 氡浓度 水氡 氡析出率 

分 类 号：TL751[核科学技术—辐射防护及环境保护]