The radiation monitoring for the gaseous and liquid effluents from a nuclear facility has received more and more attention in recent years since it can indicate the discharge characteristic of the radioactive substance which is used for the environmental impact assessment. In the 10MW high temperature gas-cooled reactor (HTR-10), the stationary differential ionization chamber detector and single chip processor controlled circuit board were adopted to monitor the total β activity of the gaseous effluent from the stack. In the current paper, the design principle, structure composition, function declaration and technical characteristic of the total β monitoring channel of the radioactive gaseous effluent in HTR-10 are presented. The problems in operation of this installation are analyzed and discussed in detail. The digitized improvement of the analog processing circuit is implemented. The stability and reliability of the total β monitoring channel of the radioactive gaseous effluent in HTR-10 are enhanced after the improvement and recalibration.
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2017 25th International Conference on Nuclear Engineering
July 2–6, 2017
Shanghai, China
Conference Sponsors:
- Nuclear Engineering Division
ISBN:
978-0-7918-5779-3
PROCEEDINGS PAPER
Improvement of the Total Beta Monitoring Channel of the Radioactive Gaseous Effluent in HTR-10
Liqiang Wei,
Liqiang Wei
Tsinghua University, Beijing, China
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Jian Zheng,
Jian Zheng
Tsinghua University, Beijing, China
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Chuangguo Hu
Chuangguo Hu
Tsinghua University, Beijing, China
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Liqiang Wei
Tsinghua University, Beijing, China
Feng Xie
Tsinghua University, Beijing, China
Jian Zheng
Tsinghua University, Beijing, China
Ling Liu
Tsinghua University, Beijing, China
Chuangguo Hu
Tsinghua University, Beijing, China
Paper No:
ICONE25-66652, V001T01A019; 5 pages
Published Online:
October 17, 2017
Citation
Wei, L, Xie, F, Zheng, J, Liu, L, & Hu, C. "Improvement of the Total Beta Monitoring Channel of the Radioactive Gaseous Effluent in HTR-10." Proceedings of the 2017 25th International Conference on Nuclear Engineering. Shanghai, China. July 2–6, 2017. V001T01A019. ASME. https://doi.org/10.1115/ICONE25-66652
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