The hydrogen explosion in Fukushima nuclear accident seriously challenged the safety of nuclear power plants in the world. Therefore, strengthening hydrogen concentration measurement in containment has become very important. To raise the nuclear safety level of in-service and under construction nuclear power plants in China, based on a document which was issued by the National Nuclear Safety Administration of China (NNSA, 2012), the function requirements, components, storage, and arrangement outlines of the hydrogen monitoring system after a severe accident was thoroughly analyzed in this article. Besides, two kinds of techniques for hydrogen concentration measurement in containment, respectively for direct measuring method and gas sampling measuring method, were also discussed and compared. Notably, based on the direct measuring method, the 718th Research Institute successfully developed the CH-15 type hydrogen concentration measuring device that suitable for used in severe accident. The hydrogen sensor, with independently intellectual property rights, is based on catalytic principles and installed inside the containment. It has many unique characteristics, such as wide measurement range, high measurement accuracy, and is capable of continuous measurement with multiple points. This device has simple structure and small size, with low energy consumption, so it is very suitable for being installed in the in-service and under construction nuclear power plants in China and abroad.
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2013 21st International Conference on Nuclear Engineering
July 29–August 2, 2013
Chengdu, China
Conference Sponsors:
- Nuclear Engineering Division
ISBN:
978-0-7918-5580-5
PROCEEDINGS PAPER
Device for Measuring Hydrogen Concentration in Containment During Severe Accident
Sha Luo,
Sha Luo
The 718th Research Institute of China Shipbuilding Industry Corporation, Handan, Hebei, China
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Shaobo Wang,
Shaobo Wang
The 718th Research Institute of China Shipbuilding Industry Corporation, Handan, Hebei, China
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Liang Qin,
Liang Qin
The 718th Research Institute of China Shipbuilding Industry Corporation, Handan, Hebei, China
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Feng Pang
Feng Pang
The 718th Research Institute of China Shipbuilding Industry Corporation, Handan, Hebei, China
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Sha Luo
The 718th Research Institute of China Shipbuilding Industry Corporation, Handan, Hebei, China
Shaobo Wang
The 718th Research Institute of China Shipbuilding Industry Corporation, Handan, Hebei, China
Liang Qin
The 718th Research Institute of China Shipbuilding Industry Corporation, Handan, Hebei, China
Feng Pang
The 718th Research Institute of China Shipbuilding Industry Corporation, Handan, Hebei, China
Paper No:
ICONE21-15970, V003T06A032; 6 pages
Published Online:
February 7, 2014
Citation
Luo, S, Wang, S, Qin, L, & Pang, F. "Device for Measuring Hydrogen Concentration in Containment During Severe Accident." Proceedings of the 2013 21st International Conference on Nuclear Engineering. Volume 3: Nuclear Safety and Security; Codes, Standards, Licensing and Regulatory Issues; Computational Fluid Dynamics and Coupled Codes. Chengdu, China. July 29–August 2, 2013. V003T06A032. ASME. https://doi.org/10.1115/ICONE21-15970
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