JP4772706B2 - 中性子測定装置 - Google Patents
中性子測定装置 Download PDFInfo
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- JP4772706B2 JP4772706B2 JP2007010313A JP2007010313A JP4772706B2 JP 4772706 B2 JP4772706 B2 JP 4772706B2 JP 2007010313 A JP2007010313 A JP 2007010313A JP 2007010313 A JP2007010313 A JP 2007010313A JP 4772706 B2 JP4772706 B2 JP 4772706B2
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- neutron
- reactor
- hollow tube
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- reactor core
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- 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
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- Monitoring And Testing Of Nuclear Reactors (AREA)
Description
貫通部)の削減により漏水を防止し、安全性の向上を図るために、沸騰水型原子炉(BWR)や加圧水型原子炉(PWR)等の軽水炉における炉外核計装に関して検討が進められている。
図1は本発明に係る中性子測定装置を軽水炉に適用した第1実施形態を示す簡略化した構成図である。
図7は、本発明に係る中性子測定装置の第2実施形態を示す構成図である。
図8は、本発明に係る中性子測定装置の第3実施形態を示す構成図である。
図9は、本発明に係る中性子測定装置の第4実施形態を示す構成図である。
11 原子炉容器(原子炉圧力容器:RPV)
11a 下鏡部
12 原子炉炉心
13 炉水
15 中空管(中性子輸送手段)
16 中性子検出器
17 中性子輸送手段(中空管)
17a 第1の中空管
17b 第2の中空管
18 中空管の下部出口
19 中性子輸送路
20 中空管
21 中性子輸送手段(中空管:中性子輸送管)
21a,21b 中空管(中性子輸送管)
Claims (4)
- 原子炉炉心を収容する原子炉容器と、この原子炉容器内に設置されて不活性ガスを充填した中空の中性子輸送管と、この中性子輸送管の端部に対向して原子炉容器外あるいは原子炉容器内に設置された中性子検出器とを有し、
前記中性子輸送管は偏平ボックス状に形成して原子炉炉心を中心として放射状に複数設置し、これらの中性子輸送管に対応して複数の中性子検出器を配置したことを特徴とする中性子測定装置。 - 前記中性子輸送管の材質はポリエチレン、カドミウムまたはステンレス鋼としたことを特徴とする請求項1記載の中性子測定装置。
- 前記原子炉容器内の中性子輸送管は、原子炉炉心内に挿入される部分と原子炉炉心外に配置される部分とに分割配置したことを特徴とする請求項1記載の中性子測定装置。
- 前記原子炉容器内の中性子輸送管は、原子炉炉心内に挿入された一方の中性子輸送管と、原子炉炉心外に設置され、前記一方の中性子輸送管と対をなす他方の中性子輸送管とで構成される中性子輸送手段とを有する請求項1または3に記載の中性子測定装置。
Priority Applications (1)
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JP2007010313A JP4772706B2 (ja) | 2007-01-19 | 2007-01-19 | 中性子測定装置 |
Applications Claiming Priority (1)
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JP2007010313A JP4772706B2 (ja) | 2007-01-19 | 2007-01-19 | 中性子測定装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2008175732A JP2008175732A (ja) | 2008-07-31 |
JP2008175732A5 JP2008175732A5 (ja) | 2009-05-28 |
JP4772706B2 true JP4772706B2 (ja) | 2011-09-14 |
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JP2007010313A Expired - Fee Related JP4772706B2 (ja) | 2007-01-19 | 2007-01-19 | 中性子測定装置 |
Country Status (1)
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JP (1) | JP4772706B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20200227181A1 (en) * | 2017-07-12 | 2020-07-16 | Société Technique Pour L'energie Atomique | Nuclear reactor with in-vessel ex-core neutron detectors and corresponding control method |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5443901B2 (ja) * | 2009-09-02 | 2014-03-19 | 株式会社東芝 | 核計装システム |
JP2011107105A (ja) * | 2009-11-20 | 2011-06-02 | Toshiba Corp | 核計装システム |
US9208907B2 (en) * | 2012-11-13 | 2015-12-08 | Westinghouse Electric Company Llc | Method of validating nuclear reactor in-vessel detector output signals |
JP6021664B2 (ja) * | 2013-01-30 | 2016-11-09 | 株式会社東芝 | 未臨界度測定装置および未臨界維持システム |
US10466367B1 (en) | 2013-12-26 | 2019-11-05 | Nuscale Power, Llc | Neutron path enhancement |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS571993A (en) * | 1980-06-06 | 1982-01-07 | Tokyo Shibaura Electric Co | Shielding device of fast reactor core |
JP3041058B2 (ja) * | 1991-02-01 | 2000-05-15 | 株式会社東芝 | タンク型高速増殖炉 |
JPH0572379A (ja) * | 1991-09-18 | 1993-03-26 | Hitachi Ltd | 原子炉の核計装方法 |
JPH0980160A (ja) * | 1995-09-14 | 1997-03-28 | Toshiba Corp | 原子炉出力計測装置 |
JPH09264984A (ja) * | 1996-03-28 | 1997-10-07 | Toshiba Corp | 原子炉炉外計装装置およびその方法 |
JPH1020073A (ja) * | 1996-06-28 | 1998-01-23 | Mitsubishi Heavy Ind Ltd | 原子炉炉外核検出器 |
JP4690923B2 (ja) * | 2006-03-29 | 2011-06-01 | 株式会社東芝 | 中性子束測定装置および中性子束測定方法ならびに原子炉 |
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2007
- 2007-01-19 JP JP2007010313A patent/JP4772706B2/ja not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20200227181A1 (en) * | 2017-07-12 | 2020-07-16 | Société Technique Pour L'energie Atomique | Nuclear reactor with in-vessel ex-core neutron detectors and corresponding control method |
US11901089B2 (en) * | 2017-07-12 | 2024-02-13 | Société Technique Pour L'energie Atomique | Nuclear reactor with in-vessel ex-core neutron detectors and corresponding control method |
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JP2008175732A (ja) | 2008-07-31 |
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