德令哈台尕海井气氡仪脱气装置改造试验
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摘要
通过对2007年12月至2014年7月德令哈尕海井气氡的数据分析,得出以下结论:同一个观测点,不同脱气装置会产生出不同的观测结果;冷水井和温泉井用同一脱气装置,所观测到的数据也不相同;脱气装置出气口和仪器进气口之间的气管距离越短越好,过长容易引起氡值的不稳定。针对德令哈地震台尕海井气氡数据长年不可用,数据变化不稳定且幅度大的实际情况,对脱气装置进行反复试验、改造,研制完成的脱气装置在尕海气氡观测中获得良好效果,气氡整点观测值稳定,数据变化形态在5 Bq/L之内,数据真实可靠,无超差,研究结果达到了预期的目的。
Analyzing the gas radon data in Gahai well at Delingha Seismic Station from Dec.,2007 to Jul.,2014,we obtain the result as follow: The different degassing device produces the different observation results at same observation point,the data is different in cold water well and spring well which were installed the same degassing device,and the length of air tube between the air outlet and the air inlet of degassing device should be as short as possible,if the air tube is too long,it is easy to cause the instability of the radon value.According to the gas radon data cannot be used for many years,the change of data is not stable and shows large amplitude,the degassing device has been tested and refitted repeatedly.The degassing device received a good result in observation in Gahai well at Delingha Seismic Station after the refitment,and the hour observation value of gas radon is stable,dynamic variation of data is within 5 Bq / L.So the data is true,reliable,and has no error,and the results achieved the expected objective.
Analyzing the gas radon data in Gahai well at Delingha Seismic Station from Dec.,2007 to Jul.,2014,we obtain the result as follow: The different degassing device produces the different observation results at same observation point,the data is different in cold water well and spring well which were installed the same degassing device,and the length of air tube between the air outlet and the air inlet of degassing device should be as short as possible,if the air tube is too long,it is easy to cause the instability of the radon value.According to the gas radon data cannot be used for many years,the change of data is not stable and shows large amplitude,the degassing device has been tested and refitted repeatedly.The degassing device received a good result in observation in Gahai well at Delingha Seismic Station after the refitment,and the hour observation value of gas radon is stable,dynamic variation of data is within 5 Bq / L.So the data is true,reliable,and has no error,and the results achieved the expected objective.
引文
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张新基,张炜.1993.地下水逸出氡和溶解氡观测系统的合理设计[J].地震,(4):48.
中国地震局监测预报司.2007.地震地下流体理论基础与观测技术(试用本)[M].北京地震出版社.
刘快胜,魏青珂.1991.地震水化观测点的引水装置研究[J].地震,(5):67-68.
邱鹏成,白占孝,常振广,等.2007.对气氡脱气装置改造的几点认识[J].地震地磁观测与研究,2(3):87.
任佳,张纳莉,王长江.2006.怀4井数字气氡固体潮潮汐效应初步研究[J].华北地震科学,24(1):57.
邵永新,李君英,刘学领,等.2006.王3井水氡、水汞观测资料分析[J].华北地震科学,24(3):36.
苏永刚,高曙德,杨莉,等.2005.气氨观测脱气装置改造的试验研究[J].地震地磁观测与研究,26(5):72-73.
唐光伟,贾东旭,宋贤志,等.2007.数字化测氡脱气装置的安装与调试[J].东北地震研究,23(1):80-81.
张炜,史勇,张平.1992.地下水中选出气氡的研究———水化地震前兆新项目探索[J].中国地震,8(1):18-25.
张文男,黄春玲,高振强.2014.夏县地震台热水井溶解水氡干扰因素分析[J].地震地磁观测与研究,35(1/2):207.
张新基,张炜.1993.地下水逸出氡和溶解氡观测系统的合理设计[J].地震,(4):48.
中国地震局监测预报司.2007.地震地下流体理论基础与观测技术(试用本)[M].北京地震出版社.
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