| 基于换气量和氡析出率计算的排氡风量在某水电地下工程通风设计中的比较研究 |
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| 引用本文： | 陈刚,胡鹏华,李先杰,任建军,康剑翘.基于换气量和氡析出率计算的排氡风量在某水电地下工程通风设计中的比较研究[J].辐射防护,2019,39(1):27-32. |
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| 作者姓名： | 陈刚 胡鹏华 李先杰 任建军 康剑翘 |
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| 作者单位： | 核工业北京化工冶金研究院,北京,101149;核工业北京化工冶金研究院,北京,101149;核工业北京化工冶金研究院,北京,101149;核工业北京化工冶金研究院,北京,101149;核工业北京化工冶金研究院,北京,101149 |
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| 摘 要： | 以某水电地下工程项目为例,根据换气量和氡析出率两种方法对地下厂房系统排氡风量进行了计算,并将排氡风量与排湿降温风量进行比较。得出:对于地下工程氡析出率大于200 Bq/(m3·h)时,可按实测氡析出率计算排氡风量,对于地下工程氡析出率小于200 Bq/(m3·h)时,可按GBZ 116—2002《地下建筑氡及其子体控制标准》中排氡通风率计算排氡风量,而地下工程设计风量应选取排氡风量与排湿降温风量两者最大值。该计算方法为水电行业地下工程通风降氡设计提供了技术支持。
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| 关 键 词： | 水电地下工程 氡析出量 排湿降温 通风率 |
| 收稿时间： | 2018-06-27 |
Comparative study on the radon ventilation in hydropowerunderground engineering based on calculationof ventilation volume and radon exhalation rate |
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| CHEN Gang,HU Penghua,LI Xianjie,REN Jianjun,KANG Jianqiao.Comparative study on the radon ventilation in hydropowerunderground engineering based on calculationof ventilation volume and radon exhalation rate[J].Radiation Protection,2019,39(1):27-32. |
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| Authors: | CHEN Gang HU Penghua LI Xianjie REN Jianjun KANG Jianqiao |
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| Affiliation: | Beijing Research Institute of Chemical Engineering and Metallurgy, Beijing 101101 |
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| Abstract: | Taking a hydropower underground engineering project as an example, the air volume of radon reduction had been calculated according to the ventilation volume and radon emanation quantity. The result showed that the air flow could be reviewed according to the radon emanation quantity when the increment of underground radon concentration was greater than 200 Bq/(m3·h). Otherwise, the air flow could be reviewed on the basis of the ventilation volume. This method provided technical supports for the design of underground hydropower engineering. |
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| Keywords: | hydropower underground engineering radon emanation quantity dehumidification and hypothermia ventilation rate |
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