JP4184910B2 - 漏えい検出方法 - Google Patents
漏えい検出方法 Download PDFInfo
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- JP4184910B2 JP4184910B2 JP2003330153A JP2003330153A JP4184910B2 JP 4184910 B2 JP4184910 B2 JP 4184910B2 JP 2003330153 A JP2003330153 A JP 2003330153A JP 2003330153 A JP2003330153 A JP 2003330153A JP 4184910 B2 JP4184910 B2 JP 4184910B2
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- 238000001514 detection method Methods 0.000 title claims description 70
- 239000007788 liquid Substances 0.000 claims description 65
- 239000012530 fluid Substances 0.000 claims description 49
- 230000005855 radiation Effects 0.000 claims description 42
- 230000002285 radioactive effect Effects 0.000 claims description 35
- 230000005260 alpha ray Effects 0.000 claims description 16
- 238000001228 spectrum Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 11
- 239000013078 crystal Substances 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims description 3
- 230000005251 gamma ray Effects 0.000 claims description 2
- 229910052778 Plutonium Inorganic materials 0.000 description 8
- 150000002500 ions Chemical class 0.000 description 8
- OYEHPCDNVJXUIW-UHFFFAOYSA-N plutonium atom Chemical compound [Pu] OYEHPCDNVJXUIW-UHFFFAOYSA-N 0.000 description 8
- 238000012545 processing Methods 0.000 description 8
- 239000012857 radioactive material Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 7
- 229910052770 Uranium Inorganic materials 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000002915 spent fuel radioactive waste Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 6
- 239000000941 radioactive substance Substances 0.000 description 5
- 238000009423 ventilation Methods 0.000 description 5
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 4
- 238000011835 investigation Methods 0.000 description 4
- 229910017604 nitric acid Inorganic materials 0.000 description 4
- 239000003758 nuclear fuel Substances 0.000 description 4
- 238000005192 partition Methods 0.000 description 4
- 230000005262 alpha decay Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000012958 reprocessing Methods 0.000 description 3
- 229910052695 Americium Inorganic materials 0.000 description 2
- 229910052781 Neptunium Inorganic materials 0.000 description 2
- LXQXZNRPTYVCNG-UHFFFAOYSA-N americium atom Chemical compound [Am] LXQXZNRPTYVCNG-UHFFFAOYSA-N 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- LFNLGNPSGWYGGD-UHFFFAOYSA-N neptunium atom Chemical compound [Np] LFNLGNPSGWYGGD-UHFFFAOYSA-N 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- LXQXZNRPTYVCNG-YPZZEJLDSA-N americium-241 Chemical compound [241Am] LXQXZNRPTYVCNG-YPZZEJLDSA-N 0.000 description 1
- 230000009118 appropriate response Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005250 beta ray Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000011143 downstream manufacturing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- OYEHPCDNVJXUIW-VENIDDJXSA-N plutonium-238 Chemical compound [238Pu] OYEHPCDNVJXUIW-VENIDDJXSA-N 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Examining Or Testing Airtightness (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Measurement Of Radiation (AREA)
Description
2:容器
3a:配管(流入側)
3b:配管(流出側)
4:排気ダクト
5:フィルタ
6:放射線検出器(α線検出器又はX線検出器)
7:グリッドイオンチャンバ
8:漏えい液収集枡
9:漏えい液集液部
10:液位計
11:容器
12a:配管(流入側)
12b:配管(流出側)
13:容器
14a:配管(流入側)
14b:配管(流出側)
15:自走式移動台
101:区画
102:容器
103a:配管(流入側)
103b:配管(流出側)
104:排気ダクト
108:漏えい液収集枡
109:漏えい液集液部
110:液位計
1000:共通排気ダクト
Claims (7)
- 密閉された区画の中に設置した容器と配管により放射性流体を取扱うようにした施設において、
前記区画の中で前記容器と配管の少なくとも一方の下側に設置した漏えい液収液枡の漏えい液収液部にα線放射線検出手段又はX線放射線検出手段を設け、
前記放射線検出手段によるα線又はX線の検出結果により前記区画の中における前記放射性流体の漏えいを前記区画の中で検出することを特徴とする漏えい検出方法。 - 請求項1に記載の漏えい検出方法において、
前記放射線検出手段によるα線又はX線の検出結果がα線又はX線のエネルギースペクトルで与えられ、当該エネルギースペクトルから前記区画の中で漏えいした放射性流体の核種とそれらの含有量の少なくとも一方を推定することを特徴とする漏えい検出方法。 - 請求項2に記載の漏えい検出方法において、
前記エネルギースペクトルから推定した核種及びそれらの含有量の少なくとも一方に基づいて、前記容器と配管の中で漏えいが発生した容器及び/又は配管を特定することを特徴とする漏えい検出方法。 - 密閉された区画の中に設置した容器と配管により放射性流体を取扱うようにした施設において、
前記区画の中で前記容器と配管の少なくとも一方の下側に設置した漏えい液収集枡上で移動する台車に放射線検出手段を設け、
前記放射線検出手段によるα線又はX線の検出結果により前記放射性流体の漏えいを検出することを特徴とする漏えい検出方法。 - 請求項1と請求項2、それに請求項4に記載の漏えい検出方法の何れかにおいて、
前記放射線検出手段がα線又はX線を連続的に検出するものであることを特徴とする漏えい検出方法。 - 請求項1と請求項2、それに請求項4に記載の漏えい検出方法の何れかにおいて、
前記放射線検出手段がα線を検出するグリッドイオンチャンバであることを特徴とする請求項1の漏えい検出方法。 - 請求項1と請求項2、それに請求項4に記載の漏えい検出方法の何れかにおいて、
前記放射線検出手段が薄い検出窓と小さい結晶体積を備えた低エネルギー用半導体検出器であり、高エネルギーγ線成分による妨害を排除してX線を検出するものであることを特徴とする漏えい検出方法。
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JP2003330153A JP4184910B2 (ja) | 2003-09-22 | 2003-09-22 | 漏えい検出方法 |
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JP2003330153A JP4184910B2 (ja) | 2003-09-22 | 2003-09-22 | 漏えい検出方法 |
Publications (2)
Publication Number | Publication Date |
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JP2005098741A JP2005098741A (ja) | 2005-04-14 |
JP4184910B2 true JP4184910B2 (ja) | 2008-11-19 |
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JP2003330153A Expired - Lifetime JP4184910B2 (ja) | 2003-09-22 | 2003-09-22 | 漏えい検出方法 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102608645A (zh) * | 2012-03-08 | 2012-07-25 | 重庆地质仪器厂 | 一种射线测量仪 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100903117B1 (ko) | 2007-11-01 | 2009-06-15 | (주)한국원자력 엔지니어링 | 누설 중수 처리장치 |
JP2010249753A (ja) * | 2009-04-17 | 2010-11-04 | Japan Atomic Energy Agency | 物質中の超ウラン元素の分析方法 |
JP7257312B2 (ja) * | 2019-11-21 | 2023-04-13 | 日立Geニュークリア・エナジー株式会社 | 放射線計測装置、放射線計測システム及び放射線計測方法 |
CN113571213B (zh) * | 2021-06-23 | 2024-03-22 | 中国原子能科学研究院 | 一种用于辐照过程中镎靶件完整性的检测方法 |
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2003
- 2003-09-22 JP JP2003330153A patent/JP4184910B2/ja not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102608645A (zh) * | 2012-03-08 | 2012-07-25 | 重庆地质仪器厂 | 一种射线测量仪 |
CN102608645B (zh) * | 2012-03-08 | 2014-03-26 | 重庆地质仪器厂 | 一种射线测量仪 |
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