JP6030548B2 - 軽水炉原子炉用の制御棒及びその使用 - Google Patents
軽水炉原子炉用の制御棒及びその使用 Download PDFInfo
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- JP6030548B2 JP6030548B2 JP2013509021A JP2013509021A JP6030548B2 JP 6030548 B2 JP6030548 B2 JP 6030548B2 JP 2013509021 A JP2013509021 A JP 2013509021A JP 2013509021 A JP2013509021 A JP 2013509021A JP 6030548 B2 JP6030548 B2 JP 6030548B2
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- Prior art keywords
- control rod
- hafnium
- absorbent
- hafnium hydride
- cross
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C7/00—Control of nuclear reaction
- G21C7/06—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section
- G21C7/24—Selection of substances for use as neutron-absorbing material
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C7/00—Control of nuclear reaction
- G21C7/06—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section
- G21C7/08—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section by displacement of solid control elements, e.g. control rods
- G21C7/10—Construction of control elements
- G21C7/113—Control elements made of flat elements; Control elements having cruciform cross-section
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C7/00—Control of nuclear reaction
- G21C7/06—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section
- G21C7/08—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section by displacement of solid control elements, e.g. control rods
- G21C7/10—Construction of control elements
- G21C7/117—Clusters of control rods; Spider construction
-
- 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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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Powder Metallurgy (AREA)
- Hydrogen, Water And Hydrids (AREA)
Description
Claims (10)
- BWRまたはPWR種類の軽水炉原子炉のために構成される制御棒であって、
前記制御棒は吸収材(8)を含み、
前記制御棒における前記吸収材(8)は、純度95%以上の水素化ハフニウムを、前記吸収材(8)に対し90重量%以上含み、
前記制御棒における水素化ハフニウムが、固形物体(8)の形態であり、
前記固形物体(8)が少なくとも1.0cm長であり、
前記水素化ハフニウム中のハフニウムと水素との比が、HfHxであり、ここで、1.40≦x≦1.80である、制御棒。 - 前記水素化ハフニウム中のハフニウムと水素との比が、HfHxであり、ここで、1.50≦x≦1.70である、請求項1に記載の制御棒。
- 前記固形物体(8)が粉末形態の水素化ハフニウムから形成される、請求項1または2に記載の制御棒。
- 前記制御棒が、ケーシング(4)を備え、該ケーシング(4)内に前記吸収材(8)のための1つまたは複数の空間(6)が存在し、前記吸収材(8)は1つまたは複数の前記空間(6)内にある、請求項1〜3のいずれか一項に記載の制御棒。
- 1つまたは複数の前記空間(6)が、実質的に円形断面を有する細長いチャネルとして構成される、請求項4に記載の制御棒。
- 前記吸収材(8)が、実質的に円形断面を有する1つ以上の固形物体の形態であり、1つまたは複数の前記固形物体は断面直径dを有し、前記空間は断面直径Dを有し、1つまたは複数の前記固形物体は位置決めされ、断面直径dを有し、D−d≦0.20mmである、請求項5に記載の制御棒。
- 前記制御棒がBWR用に構成される、請求項1〜6のいずれか一項に記載の制御棒。
- 前記制御棒がBWR用に構成される制御棒であって、
前記制御棒が十字形の断面を有し、十字の中心(15)で交差する4つの制御棒ブレード(11、12、13、14)から構成され、各々の前記制御棒ブレード(11、12、13、14)は、吸収材のための複数の細長い前記空間(6)を備え、前記吸収材は前記空間(6)内に配置される、請求項4〜6のいずれか一項に記載の制御棒。 - 各々の複数の細長い前記空間(6)が長さLを有し、それらの空間の各々において、前記吸収材(8)は、長さlを有する固形物体の形態であり、L−l≦2.0mmである、請求項8に記載の制御棒。
- BWRまたはPWR種類の軽水炉原子炉において作動する間の制御棒としての請求項1〜9のいずれか一項に記載の少なくとも1つの制御棒の使用。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE1050455A SE1050455A1 (sv) | 2010-05-07 | 2010-05-07 | Styrstav för en kärnkraftlättvattenreaktor |
SE1050455-3 | 2010-05-07 | ||
PCT/SE2011/050428 WO2011139205A1 (en) | 2010-05-07 | 2011-04-08 | Control rod for a nuclear power light water reactor |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013525809A JP2013525809A (ja) | 2013-06-20 |
JP6030548B2 true JP6030548B2 (ja) | 2016-11-24 |
Family
ID=43899704
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013509021A Active JP6030548B2 (ja) | 2010-05-07 | 2011-04-08 | 軽水炉原子炉用の制御棒及びその使用 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9230696B2 (ja) |
EP (1) | EP2567383B1 (ja) |
JP (1) | JP6030548B2 (ja) |
ES (1) | ES2578328T3 (ja) |
SE (1) | SE1050455A1 (ja) |
WO (1) | WO2011139205A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116750718B (zh) * | 2023-05-11 | 2024-04-30 | 有研资源环境技术研究院(北京)有限公司 | 一种氢化铪中子吸收材料及其制备方法 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL271842A (ja) | 1961-12-04 | 1900-01-01 | ||
US3219593A (en) * | 1963-09-26 | 1965-11-23 | Martin Marietta Corp | Hafnium oxide-europium oxide compounds and compositions for reactor control elements |
GB1095925A (en) * | 1965-12-02 | 1967-12-20 | Imp Metal Ind Kynoch Ltd | Hafnium alloys |
US3462345A (en) * | 1967-05-10 | 1969-08-19 | Babcock & Wilcox Co | Nuclear reactor rod controller |
JPS58156884A (ja) * | 1982-03-15 | 1983-09-17 | 株式会社東芝 | 制御棒 |
JPS6027897A (ja) * | 1983-07-26 | 1985-02-12 | 住友金属工業株式会社 | 中性子吸収量の制御方法 |
US5180544A (en) * | 1986-06-30 | 1993-01-19 | Kabushiki Kaisha Toshiba | Control blade for nuclear reactor |
US4882123A (en) * | 1988-03-01 | 1989-11-21 | General Electric Company | Hafnium control rod for nuclear reactors |
US5242622A (en) * | 1988-09-15 | 1993-09-07 | Compagnie Europeenne Du Zirconium Cezus | Process for the production of a neutron absorbing pellet, the pellet obtained and the use thereof |
JPH02266293A (ja) * | 1989-04-07 | 1990-10-31 | Toshiba Corp | 原子炉用制御棒 |
US5276718A (en) * | 1990-06-26 | 1994-01-04 | Kabushiki Kaisha Toshiba | Control blade for nuclear reactor |
US5330589A (en) | 1993-05-25 | 1994-07-19 | Electric Power Research Institute | Hafnium alloys as neutron absorbers |
SE501790C2 (sv) * | 1993-09-22 | 1995-05-15 | Asea Atom Ab | Styrstav till en kokarreaktor där absorbatordelen innefattar en central kanal |
WO1995033099A1 (fr) * | 1994-05-28 | 1995-12-07 | Jong Chun Kim | Structure de drainage consolidant les sols meubles et procede et dispositif de mise en place |
US5610959A (en) * | 1994-12-27 | 1997-03-11 | Westinghouse Electric Corporation | Hafnium doped replacement rod for nuclear fuel reconstitution |
JPH11118972A (ja) | 1997-10-16 | 1999-04-30 | Toshiba Corp | 原子炉用制御棒及びその製造方法 |
SE514802C2 (sv) | 1998-07-02 | 2001-04-23 | Westinghouse Atom Ab | Absorbatorkropp och styrstav |
US7685817B2 (en) | 2004-10-18 | 2010-03-30 | Ceti, Inc. | Method and system for providing a rotational output using a non-combustion heat source |
JP4516085B2 (ja) * | 2007-02-28 | 2010-08-04 | 株式会社日立製作所 | 軽水炉 |
JP5090946B2 (ja) * | 2008-02-01 | 2012-12-05 | 白川 利久 | Bwrの核燃料棒および核燃料集合体 |
US8000431B2 (en) * | 2008-11-20 | 2011-08-16 | Hamilton Sundstrad Corporation | Method and composition for moderated nuclear fuel |
-
2010
- 2010-05-07 SE SE1050455A patent/SE1050455A1/sv unknown
-
2011
- 2011-04-08 ES ES11720610.2T patent/ES2578328T3/es active Active
- 2011-04-08 JP JP2013509021A patent/JP6030548B2/ja active Active
- 2011-04-08 WO PCT/SE2011/050428 patent/WO2011139205A1/en active Application Filing
- 2011-04-08 US US13/696,525 patent/US9230696B2/en active Active
- 2011-04-08 EP EP11720610.2A patent/EP2567383B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP2567383B1 (en) | 2016-03-30 |
US20130051510A1 (en) | 2013-02-28 |
US9230696B2 (en) | 2016-01-05 |
WO2011139205A1 (en) | 2011-11-10 |
SE534031C2 (sv) | 2011-04-05 |
EP2567383A1 (en) | 2013-03-13 |
ES2578328T3 (es) | 2016-07-26 |
JP2013525809A (ja) | 2013-06-20 |
SE1050455A1 (sv) | 2011-04-05 |
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