DE69818410D1 - Abstandshaltegitter für kernbrennstabbündel und haltefedern dafür - Google Patents

Abstandshaltegitter für kernbrennstabbündel und haltefedern dafür

Info

Publication number
DE69818410D1
DE69818410D1 DE69818410T DE69818410T DE69818410D1 DE 69818410 D1 DE69818410 D1 DE 69818410D1 DE 69818410 T DE69818410 T DE 69818410T DE 69818410 T DE69818410 T DE 69818410T DE 69818410 D1 DE69818410 D1 DE 69818410D1
Authority
DE
Germany
Prior art keywords
spacer grid
core fuel
springs therefor
bracket springs
bunch
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.)
Expired - Lifetime
Application number
DE69818410T
Other languages
English (en)
Other versions
DE69818410T2 (de
Inventor
Roland Mayet
Michel Bonnamour
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Areva NP SAS
Original Assignee
Framatome ANP SAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Framatome ANP SAS filed Critical Framatome ANP SAS
Publication of DE69818410D1 publication Critical patent/DE69818410D1/de
Application granted granted Critical
Publication of DE69818410T2 publication Critical patent/DE69818410T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
    • G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
    • G21C3/32—Bundles of parallel pin-, rod-, or tube-shaped fuel elements
    • G21C3/34—Spacer grids
    • G21C3/356—Spacer grids being provided with fuel element supporting members
    • G21C3/3563—Supporting members formed only by deformations in the strips
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
    • G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
    • G21C3/32—Bundles of parallel pin-, rod-, or tube-shaped fuel elements
    • G21C3/34—Spacer grids
    • G21C3/356—Spacer grids being provided with fuel element supporting members
    • 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
DE69818410T 1997-07-11 1998-07-09 Abstandshaltegitter für kernbrennstabbündel und haltefedern dafür Expired - Lifetime DE69818410T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9708873A FR2766003B1 (fr) 1997-07-11 1997-07-11 Grille pour assemblage combustible nucleaire et plaquette pour une telle grille
FR9708873 1997-07-11
PCT/FR1998/001489 WO1999003108A1 (fr) 1997-07-11 1998-07-09 Grille pour assemblage combustible nucleaire et plaquette pour une telle grille

Publications (2)

Publication Number Publication Date
DE69818410D1 true DE69818410D1 (de) 2003-10-30
DE69818410T2 DE69818410T2 (de) 2004-05-06

Family

ID=9509159

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69818410T Expired - Lifetime DE69818410T2 (de) 1997-07-11 1998-07-09 Abstandshaltegitter für kernbrennstabbündel und haltefedern dafür

Country Status (12)

Country Link
US (2) US6542567B1 (de)
EP (2) EP1367600A1 (de)
JP (1) JP3989972B2 (de)
KR (1) KR100657603B1 (de)
CN (1) CN1173368C (de)
DE (1) DE69818410T2 (de)
ES (1) ES2209173T3 (de)
FR (1) FR2766003B1 (de)
RU (1) RU2173485C2 (de)
TW (1) TW434572B (de)
WO (1) WO1999003108A1 (de)
ZA (1) ZA986070B (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
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FR2802330B1 (fr) * 1999-12-13 2002-03-01 Franco Belge Combustibles Dispositif et procede de montage d'une grille-entretoise d'un assemblage de combustible pour un reacteur nucleaire
KR100432581B1 (ko) * 2001-07-10 2004-05-24 한국수력원자력 주식회사 연료봉 접촉면적과 스프링 탄성영역을 확장하는 격자스프링이 부착된 지지격자체
KR100444699B1 (ko) * 2001-12-26 2004-08-21 한국수력원자력 주식회사 입술형 다목적 핵연료 지지격자체
US6606369B1 (en) * 2002-03-06 2003-08-12 Westinghouse Electric Company Llc Nuclear reactor with improved grid
US6819733B2 (en) * 2002-05-15 2004-11-16 Westinghouse Electric Company Llc Fuel assembly and associated grid for nuclear reactor
KR100600983B1 (ko) * 2003-10-07 2006-07-13 한국원자력연구소 경수로 원자로용 핵연료집합체의 지지격자체
FR2878645B1 (fr) * 2004-11-30 2007-02-09 Framatome Anp Sas Grille de maintien de crayons pour assemblage de combustible nucleaire et assemblage corresondant
US7623612B2 (en) * 2006-03-27 2009-11-24 Westinghouse Electric Co. Llc Bi-alloy spacer grid and associated methods
KR100932436B1 (ko) * 2007-08-27 2009-12-17 한전원자력연료 주식회사 연료봉 프레팅 마모방지를 위한 카누 모양의 스프링을 가진지지격자
WO2010074592A1 (ru) 2008-12-25 2010-07-01 Ториум Пауэр Инк. Топливная сборка легководного ядерного реактора (варианты), легководный ядерный реактор и топливный элемент топливной сборки
US8116423B2 (en) 2007-12-26 2012-02-14 Thorium Power, Inc. Nuclear reactor (alternatives), fuel assembly of seed-blanket subassemblies for nuclear reactor (alternatives), and fuel element for fuel assembly
JP5585883B2 (ja) 2007-12-26 2014-09-10 トリウム・パワー、インク 核燃料集合体、核燃料集合体を含む軽水炉、及び核燃料集合体の使用方法
US9053827B2 (en) * 2009-03-27 2015-06-09 Westinghouse Electric Company Llc Nuclear fuel assembly with pivot dimpled grids
US20110200160A1 (en) * 2010-02-16 2011-08-18 Westinghouse Electric Company Split spring anti-fretting fuel rod support structure
WO2011143172A1 (en) 2010-05-11 2011-11-17 Thorium Power, Inc. Fuel assembly with metal fuel alloy kernel and method of manufacturing thereof
US10170207B2 (en) 2013-05-10 2019-01-01 Thorium Power, Inc. Fuel assembly
US10192644B2 (en) 2010-05-11 2019-01-29 Lightbridge Corporation Fuel assembly
EP2525366A1 (de) 2011-05-20 2012-11-21 Areva NP Streifen für ein Abstandsgitter eines Kernbrennstoffbündels
CN102568632B (zh) * 2012-03-02 2015-04-22 中科华核电技术研究院有限公司 用于核燃料组件的格架及其搅混件
US10672521B2 (en) 2012-03-23 2020-06-02 Global Nuclear Fuel—Americas, LLC Spacers with deflection-limited peripheral springs for nuclear fuel assemblies and methods of making the same
US9378852B2 (en) 2012-04-17 2016-06-28 Bwxt Mpower, Inc. Spacer grids for nuclear reactor
US9881701B2 (en) 2012-04-17 2018-01-30 Bwxt Mpower, Inc. Spacer grids with springs having improved robustness
KR20140019924A (ko) * 2012-08-06 2014-02-18 한전원자력연료 주식회사 유체유발 진동을 저감하기 위한 핵연료 집합체의 지지격자
US10311982B2 (en) * 2016-02-17 2019-06-04 Westinghouse Electric Company Llc Holding fixture to assist in assembly of support grid for nuclear fuel rods and method for assembling support grid for nuclear fuel rods
CN107221358A (zh) * 2017-06-09 2017-09-29 中广核研究院有限公司 一种核燃料组件、定位格栅以及弹簧
CN113362973B (zh) * 2021-06-04 2022-02-22 中国核动力研究设计院 一种提高抗磨蚀性能并减小阻力的格架弹簧及定位格架

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3769159A (en) * 1968-06-24 1973-10-30 Combustion Eng Fuel element grid support for nuclear reactor
US3789184A (en) * 1969-12-23 1974-01-29 Reactor Centrum Nederland Air-excluding spot-welding method for making heat-exchange grid
US4039379A (en) * 1975-02-28 1977-08-02 Exxon Nuclear Company, Inc. Mixing vane grid spacer
FR2338549A1 (fr) * 1976-01-14 1977-08-12 Commissariat Energie Atomique Perfectionnement aux grilles d'espacement pour assemblage combustible de reacteur nucleaire
US4224107A (en) * 1978-05-09 1980-09-23 Commissariat A L'energie Atomique Spacer grids for a nuclear reactor fuel assembly
FR2465297A1 (fr) * 1979-09-07 1981-03-20 Commissariat Energie Atomique Grille d'espacement pour elements combustibles de reacteurs nucleaires
US4702881A (en) * 1985-04-02 1987-10-27 Westinghouse Electric Corp. Nuclear reactor spacer grid
FR2608827B1 (fr) * 1986-04-02 1990-06-15 Framatome Sa Grille d'espacement pour assemblage combustible nucleaire
US4756878A (en) * 1986-12-01 1988-07-12 Advanced Nuclear Fuels Corporation Grid spacer and method of making same
FR2665292B1 (fr) * 1990-07-24 1992-11-13 Framatome Sa Grille additionnelle pour assemblage combustible de reacteur nucleaire et assemblage en comportant application.
US5139736A (en) * 1991-04-03 1992-08-18 Combustion Engineering, Inc. Fuel assembly support grid
DE59106739D1 (de) * 1991-08-05 1995-11-23 Siemens Ag Abstandhalter für Brennelemente mit gekrümmten, aufgesetzten Federn.
FR2697368B1 (fr) * 1992-10-28 1995-01-13 Framatome Sa Grille-entretoise d'un assemblage combustible d'un réacteur nucléaire refroidi par de l'eau légère.
US5331678A (en) * 1993-04-27 1994-07-19 Combustion Engineering, Inc. Spacer grid rod support system
JP3121972B2 (ja) * 1993-12-03 2001-01-09 三菱原子燃料株式会社 核燃料集合体
JPH07159572A (ja) * 1993-12-03 1995-06-23 Mitsubishi Nuclear Fuel Co Ltd 核燃料集合体
US5444748A (en) * 1994-04-04 1995-08-22 Westinghouse Electric Corporation Grid structure for supporting fuel rods in a nuclear reactor
JPH0836079A (ja) * 1994-07-21 1996-02-06 Mitsubishi Nuclear Fuel Co Ltd 燃料集合体に用いられるグリッドのロー付け方法及び該方法によりロー付けされた燃料集合体用グリッド
FR2736190B1 (fr) * 1995-06-29 1997-10-10 Framatome Sa Grille-entretoise d'un assemblage de combustible pour un reacteur nucleaire et assemblage de combustible

Also Published As

Publication number Publication date
FR2766003B1 (fr) 1999-12-03
KR100657603B1 (ko) 2006-12-14
TW434572B (en) 2001-05-16
EP0925589A1 (de) 1999-06-30
WO1999003108A1 (fr) 1999-01-21
CN1173368C (zh) 2004-10-27
ZA986070B (en) 2000-01-10
KR20000068536A (ko) 2000-11-25
EP0925589B1 (de) 2003-09-24
US6542567B1 (en) 2003-04-01
FR2766003A1 (fr) 1999-01-15
JP3989972B2 (ja) 2007-10-10
US20030215049A1 (en) 2003-11-20
EP1367600A1 (de) 2003-12-03
RU2173485C2 (ru) 2001-09-10
ES2209173T3 (es) 2004-06-16
DE69818410T2 (de) 2004-05-06
CN1231053A (zh) 1999-10-06
JP2001500273A (ja) 2001-01-09

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