【作者】 叶勇军； 丁德馨； 周星火； 李向阳； 钟永明； 刘栋；

【Author】 YE Yong-jun~(1,2),DING Dexin~2,Li Xiang-yang~1, ZHOU Xin-huo~1,ZHONG Yong-ming~1,LIU Dong~1 (1.School of Environment Protection and Safety Engineering,University of South China, Hengyang Hunan,China; 2.Key Discipline Laboratory for National Defense for Biotechnology in Uranium Mining and Hydrometallurgy,University of South China,Hengyang of Hunan Prov.421001,China)

【机构】 南华大学铀矿冶生物技术国防重点学科实验室； 南华大学环境保护与安全工程学院；

【摘要】 独头巷道是铀矿井下重要的作业场所,也是氡及氡子体产生和聚集的重要地点,研究独头巷道内风流中氡及氡子体的浓度分布特征对指导通风防护设计具有重要的指导意义。基于此,首先阐述了风流中氡活度浓度与氡子体α潜能浓度之间的数学关系;接着,分析了独头巷道内氡及氡子体的来源,分别建立了压入式通风方式下风流中氡活度浓度与氡子体α潜能浓度分布的数学计算模型;最后,利用数学计算模型分析了多个因素对独头巷道内氡及氡子体浓度分布特征的影响规律。更多还原

【Abstract】 The blind roadway is not only the important workplaces,but also is important site of radon and its progeny generating and gathering,it is an important guiding significance for ventilation protection design to study distribution characteristics of radon and its progeny in blind roadway.Therefore,at first,the paper expounded the mathematical relationship between radon activity concentration with alpha potential concentration of radon progeny.Then,analyzed the sources of radon and its progeny,and established mathematical calculation model of Distribution characteristics of radon and its progeny in blind roadway with forced ventilation,respectively.Finally,using mathematical calculation models to analyze the influence law of multiple factors.更多还原