原子能科学技术2013，Vol.47Issue(6)：1060-1063,4.DOI:10.7538/yzk.2013.47.06.1060
铀浓缩厂铀丰度在线监测装置研制
Development of On-line Uranium Enrichment Monitor of Gaseous UF6 for Uranium Enrichment Plant
吕学升 1刘国荣 1金惠民 1赵永刚 1郝学元 2李井怀 1应斌 2俞兆飞2
作者信息
- 1. 中国原子能科学研究院放射化学研究所,北京 102413
- 2. 中核兰州铀浓缩有限公司,甘肃兰州 730030
- 折叠
摘要
Abstract
An on-line enrichment monitor was developed to measure the enrichment of UF6 flowing through the processing pipes in uranium enrichment plant.A NaI(Tl) detector was used to measure the count rates of the 185.7 keV γ-ray emitted from 235U,and the total quantity of uranium was determined from thermodynamic characteristics of gaseous uranium hexafluoride.The results show that the maximum relative standard deviation is less than 1％ when the measurement time is 120 s or more and the pressure is more than 2 kPa in the measurement chamber.Uranium enrichment of gaseous uranium hexafluoride in the output end of cascade can be monitored continuously by using the device.It should be effective for nuclear materials accountability verifications and materials balance verification at uranium enrichment plant.关键词
铀浓缩厂/铀丰度/在线监测Key words
uranium enrichment plant/ uranium enrichment/ on-line monitor分类
能源科技引用本文复制引用
吕学升,刘国荣,金惠民,赵永刚,郝学元,李井怀,应斌,俞兆飞..铀浓缩厂铀丰度在线监测装置研制[J].原子能科学技术,2013,47(6):1060-1063,4.
