| 地震氡观测仪计量检定系统与实验分析 |
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| 引用本文： | 黄仁桂,陈俊松,周红艳,宁洪涛,毛华.地震氡观测仪计量检定系统与实验分析[J].中国地震,2019,35(4):666-675. |
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| 作者姓名： | 黄仁桂 陈俊松 周红艳 宁洪涛 毛华 |
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| 作者单位： | 江西省地震局, 南昌 330039;地震监测氡观测仪器检测实验室, 南昌 330039,中广核贝谷科技有限公司, 南昌 330039,江西省地震局, 南昌 330039;地震监测氡观测仪器检测实验室, 南昌 330039,江西省地震局, 南昌 330039;地震监测氡观测仪器检测实验室, 南昌 330039,江西省地震局, 南昌 330039;地震监测氡观测仪器检测实验室, 南昌 330039 |
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| 基金项目： | 中国地震局地震科技星火计划项目（XH18025Y、XH2003Y）和中国地震局监测、预测、科研三结合课题（3JH-201902013、3JH-201902012）共同资助 |
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| 摘 要： | 本文介绍了地震氡观测仪计量检定系统（氡室）的建设背景及结构组成。氡室具有氡体积活度（氡浓度）实时监测、动态补氡、氡期望值可调、稳定性好等特点。在氡室调试实验中进行了氡室的漏气率实验及4次补氡实验，计算出氡室的氡漏气率为0.0001393Bq/min，氡发生率为23.35Bq/min。根据《测氡仪检定规程》（JJG 825—2013）的技术要求进行计量效能验证，表明氡室的氡体积活度（氡浓度）为800Bq/m3、1500Bq/m3、3000Bq/m3、6000Bq/m3和15000Bq/m3时，连续8h稳定性均优于5%；为6000Bq/m3时，72h稳定性优于5%，符合国家计量技术规范对氡室计量标准的要求。
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| 关 键 词： | 氡观测仪 地震 氡室 计量检定 实验 |
| 收稿时间： | 2019/2/22 0:00:00 |
| 修稿时间： | 2019/10/12 0:00:00 |
Metrological Verification System of Seismic Radon Observation Instrument and Its Experimental Analysis |
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| Huang Rengui,Chen Junsong,Zhou Hongyan,Ning Hongtao and Mao Hua.Metrological Verification System of Seismic Radon Observation Instrument and Its Experimental Analysis[J].Earthquake Research in China,2019,35(4):666-675. |
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| Authors: | Huang Rengui Chen Junsong Zhou Hongyan Ning Hongtao and Mao Hua |
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| Institution: | Jiangxi Earthquake Agency, Nanchang 330039, China;Seismic Radon Observation Instrument Testing Platform, Nanchang 330039, China,CGN Begood Technology Co., Ltd., Nanchang 330039, China,Jiangxi Earthquake Agency, Nanchang 330039, China;Seismic Radon Observation Instrument Testing Platform, Nanchang 330039, China,Jiangxi Earthquake Agency, Nanchang 330039, China;Seismic Radon Observation Instrument Testing Platform, Nanchang 330039, China and Jiangxi Earthquake Agency, Nanchang 330039, China;Seismic Radon Observation Instrument Testing Platform, Nanchang 330039, China |
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| Abstract: | This paper introduces the construction background and structure of the metrological verification system of seismic radon observation instrument,namely,the radon chamber which possesses the advantages of real-time monitoring of radon concentration,dynamic radon supplement,adjustable expected value of radon supplement and stability. Through the radon leakage rate experiment and four-round radon supplement experiment,this paper concludes that the radon leakage rate of the radon chamber is up to 0.0001393Bq/min and the radon incidence rate reaches 23.35Bq/min. According to the technical requirements of JJG 825-2013 Verification Regulations for Radon Measuring Instruments,the stability of radon chamber is better than 5% in the 8-hour verification stage of 800Bq/m3,1500Bq/m3,3000Bq/m3,6000Bq/m3 and 15000Bq/m3,and also better than 5% in the 72-hour verification stage of 6000Bq/m3,which meets the requirement of radon chamber measurement standard in National Metrology Technical specification. |
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| Keywords: | Radon observation instrument Earthquake Radon chamber Metrological verification Experiment |
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