JP5305716B2 - 原子炉制御棒 - Google Patents
原子炉制御棒 Download PDFInfo
- Publication number
- JP5305716B2 JP5305716B2 JP2008101589A JP2008101589A JP5305716B2 JP 5305716 B2 JP5305716 B2 JP 5305716B2 JP 2008101589 A JP2008101589 A JP 2008101589A JP 2008101589 A JP2008101589 A JP 2008101589A JP 5305716 B2 JP5305716 B2 JP 5305716B2
- Authority
- JP
- Japan
- Prior art keywords
- zirconium
- hafnium
- control rod
- sheath
- blade
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
2 シース
3 中性子吸収部材
4 中性子吸収部材固定部材
5 冷却材流路
10 ブレード
20 結晶格子
21 c軸
22、23 方向
31、41、41a、42b ジルコニウム−ハフニウムブレード
32 縦穴
100 ハフニウム制御棒
101 支持部材
102 コネクタ
103 カップリング・ソケット
104 ハンドル
110 ブレード
111 シース
112 ハフニウム板
113 冷却孔
114 ハフニウム板固定部材
115 冷却材流路
Claims (3)
- ブレードと、
このブレードを支持する支持部材と、を備える原子炉制御棒であって、
前記ブレードはジルコニウムまたはジルコニウム合金製のシースと、ハフニウムから構成され固定部材によって前記シースの内面に固定された中性子吸収部材から構成されることを特徴とする原子炉制御棒。 - 前記ブレードまたは前記シースはニオブが添加され、そのニオブは0.6質量%以下であることを特徴とする請求項1記載の原子炉制御棒。
- 前記ブレードまたは前記シースは鉄が添加され、その鉄は0.5質量%以下であることを特徴とする請求項1または2記載の原子炉制御棒。
Priority Applications (1)
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---|---|---|---|
JP2008101589A JP5305716B2 (ja) | 2008-04-09 | 2008-04-09 | 原子炉制御棒 |
Applications Claiming Priority (1)
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---|---|---|---|
JP2008101589A JP5305716B2 (ja) | 2008-04-09 | 2008-04-09 | 原子炉制御棒 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2012254750A Division JP2013054037A (ja) | 2012-11-20 | 2012-11-20 | 原子炉制御棒 |
Publications (2)
Publication Number | Publication Date |
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JP2009250884A JP2009250884A (ja) | 2009-10-29 |
JP5305716B2 true JP5305716B2 (ja) | 2013-10-02 |
Family
ID=41311747
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2008101589A Active JP5305716B2 (ja) | 2008-04-09 | 2008-04-09 | 原子炉制御棒 |
Country Status (1)
Country | Link |
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JP (1) | JP5305716B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6165751B2 (ja) | 2012-09-26 | 2017-07-19 | 株式会社東芝 | 軽水炉用の原子炉用制御棒および軽水炉用の原子炉用制御棒の製造方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03264893A (ja) * | 1990-03-15 | 1991-11-26 | Toshiba Corp | 原子炉の炉心 |
JP3056803B2 (ja) * | 1991-03-18 | 2000-06-26 | 株式会社東芝 | 原子炉用制御棒 |
JPH06138275A (ja) * | 1991-03-28 | 1994-05-20 | Toshiba Corp | 原子炉用制御棒、炉心構造およびその運転方法 |
JP3489428B2 (ja) * | 1998-03-19 | 2004-01-19 | 株式会社日立製作所 | 高耐食性Hf合金とそれを用いた原子炉制御棒用中性子吸収体及び原子炉用制御棒 |
JP2000266882A (ja) * | 1999-03-16 | 2000-09-29 | Hitachi Ltd | 原子炉制御棒用中性子吸収体及び原子炉用制御棒と原子炉並びに原子力発電プラント |
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2008
- 2008-04-09 JP JP2008101589A patent/JP5305716B2/ja active Active
Also Published As
Publication number | Publication date |
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JP2009250884A (ja) | 2009-10-29 |
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