ZA965503B - Method and installation for welding a spacer grid of a fuel assembly for a nuclear reactor and device for welding via the interior of a grid. - Google Patents

Method and installation for welding a spacer grid of a fuel assembly for a nuclear reactor and device for welding via the interior of a grid.

Info

Publication number
ZA965503B
ZA965503B ZA9605503A ZA965503A ZA965503B ZA 965503 B ZA965503 B ZA 965503B ZA 9605503 A ZA9605503 A ZA 9605503A ZA 965503 A ZA965503 A ZA 965503A ZA 965503 B ZA965503 B ZA 965503B
Authority
ZA
South Africa
Prior art keywords
welding
grid
installation
interior
nuclear reactor
Prior art date
Application number
ZA9605503A
Other languages
English (en)
Inventor
Dominique Duthoo
Original Assignee
Franco Belge Combustibles
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 Franco Belge Combustibles filed Critical Franco Belge Combustibles
Publication of ZA965503B publication Critical patent/ZA965503B/xx

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
    • G21C3/3424—Fabrication of spacer grids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20—Bonding
    • B23K26/21—Bonding by welding
    • B23K26/24—Seam welding
    • B23K26/28—Seam welding of curved planar seams
    • 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

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Laser Beam Processing (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
ZA9605503A 1995-06-29 1996-06-28 Method and installation for welding a spacer grid of a fuel assembly for a nuclear reactor and device for welding via the interior of a grid. ZA965503B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9507859A FR2736191B1 (fr) 1995-06-29 1995-06-29 Procede et installation de soudage d'une grille-entretoise d'un assemblage de combustible pour un reacteur nucleaire et dispositif de soudage par l'interieur d'une grille

Publications (1)

Publication Number Publication Date
ZA965503B true ZA965503B (en) 1997-12-29

Family

ID=9480530

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9605503A ZA965503B (en) 1995-06-29 1996-06-28 Method and installation for welding a spacer grid of a fuel assembly for a nuclear reactor and device for welding via the interior of a grid.

Country Status (9)

Country Link
US (1) US5726418A (xx)
EP (1) EP0751528B1 (xx)
JP (1) JPH0915363A (xx)
KR (1) KR970003285A (xx)
CN (1) CN1151339A (xx)
DE (1) DE69600954D1 (xx)
FR (1) FR2736191B1 (xx)
TW (1) TW328604B (xx)
ZA (1) ZA965503B (xx)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2910763B1 (ja) * 1998-06-03 1999-06-23 スズキ株式会社 溶接レーザの焦点位置検出装置
JP2000214285A (ja) * 1999-01-27 2000-08-04 Mitsubishi Nuclear Fuel Co Ltd 支持格子溶接装置
FR2801232B1 (fr) * 1999-11-23 2002-02-08 Process Conception Ing Sa Dispositif formant tete optique pour diriger un faisceau laser sur la surface a traiter d'une paroi d'une piece, telle qu'un cylindre de moteur a combustion interne
EP1362662A1 (fr) * 2002-05-08 2003-11-19 Lasag Ag Installation de soudage au laser et tête de soudage équipant une telle installation
EP1858029B1 (en) * 2006-05-19 2010-08-11 Korea Atomic Energy Research Institute Apparatus and method for welding strap connections between inner grid straps of spacer grid using laser tool, and spacer grid manufactured using the same
KR100770944B1 (ko) 2006-05-19 2007-10-26 한국원자력연구원 레이저 기구를 이용한 지지격자의 내부격자 용접장치와 용접방법 및 그에 따라 제조된 지지격자
KR100879267B1 (ko) 2007-01-12 2009-01-19 한국원자력연구원 광 섬유를 이용한 지지격자체 레이저 용접장치 및 그용접방법
US8288684B2 (en) * 2007-05-03 2012-10-16 Electro Scientific Industries, Inc. Laser micro-machining system with post-scan lens deflection
KR100906719B1 (ko) * 2007-06-14 2009-07-07 한국원자력연구원 레이저 용접장치용 용접봉 및 이를 이용한 핵연료봉지지격자의 내부격자간 레이저 용접장치
KR100922159B1 (ko) * 2007-09-28 2009-10-21 한전원자력연료 주식회사 지지격자의 용접 장치
US8183497B2 (en) * 2007-09-28 2012-05-22 Korea Nuclear Fuel Co., Ltd. Apparatus for and method of welding spacer grid
KR100922162B1 (ko) * 2007-09-28 2009-10-21 한전원자력연료 주식회사 핵연료집합체 지지격자의 레이저용접장치
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
EA015019B1 (ru) 2007-12-26 2011-04-29 Ториум Пауэр Инк. Ядерный реактор (варианты), топливная сборка из запально-воспроизводящих модулей для ядерного реактора (варианты) и топливный элемент топливной сборки
US20100078419A1 (en) * 2008-09-26 2010-04-01 Electro Scientific Industries, Inc Post-lens steering of a laser beam for micro-machining applications
HUE043364T2 (hu) 2008-12-25 2019-08-28 Thorium Power Inc Fûtõelem és egy fûtõelem elkészítési eljárása egy nukleáris reaktor egy fûtõelem-egysége számára
US8319148B2 (en) * 2009-08-20 2012-11-27 General Electric Company System and method of dual laser beam welding of first and second filler metals
US8373089B2 (en) * 2009-08-31 2013-02-12 General Electric Company Combustion cap effusion plate laser weld repair
US8524127B2 (en) * 2010-03-26 2013-09-03 Electro Scientific Industries, Inc. Method of manufacturing a panel with occluded microholes
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
WO2011143172A1 (en) 2010-05-11 2011-11-17 Thorium Power, Inc. Fuel assembly with metal fuel alloy kernel and method of manufacturing thereof
CN102339652B (zh) * 2011-10-13 2013-07-17 秦山核电有限公司 燃料组件或燃料棒贮存容器中燃料棒的定位方法及装置
US10759007B2 (en) 2013-03-14 2020-09-01 Bwxt Mpower, Inc. Spacer grid welding fixture
CN108389632B (zh) * 2018-02-12 2019-10-15 中国科学院上海应用物理研究所 一种熔盐堆堆芯

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2522560A1 (fr) * 1982-03-03 1983-09-09 Commissariat Energie Atomique Procede et dispositif pour la realisation par soudage laser par impulsions d'elements de structure de reacteurs nucleaires et grilles en alliage de zirconium obtenues par ce procede
US4492843A (en) * 1982-09-01 1985-01-08 Westinghouse Electric Corp. Apparatus and method for laser machining in a non-reactive environment
US4518843A (en) * 1982-09-01 1985-05-21 Westinghouse Electric Corp. Laser lens and light assembly
US4492844A (en) * 1982-09-01 1985-01-08 Westinghouse Electric Corp. Welding plates for a fuel rod grid
FR2533352B1 (fr) * 1982-09-16 1988-08-12 Fragema Framatome & Cogema Procede et dispositif d'assemblage de plaquettes de grilles
US4556776A (en) * 1983-07-26 1985-12-03 Westinghouse Electric Corp. Welding fixture for nuclear reactor fuel assembly grid
FR2561151B1 (fr) * 1984-03-13 1987-08-28 Fragema Framatome & Cogema Procede et installation de soudage de grilles pour assemblage de combustible nucleaire
JPS60223693A (ja) * 1984-04-23 1985-11-08 Nuclear Fuel Co Ltd 核燃料スペ−サ溶接装置
US4825032A (en) * 1987-08-31 1989-04-25 Westinghous Electric Corp. Workpiece handling assembly
JP2539509B2 (ja) * 1989-04-13 1996-10-02 三菱原子燃料株式会社 支持格子の製造方法
FR2661772B1 (fr) * 1990-05-07 1994-01-28 Franco Belge Fabr Combustible Procede et dispositif de fabrication de grilles d'assemblages de combustible nucleaire.
US5221515A (en) * 1990-05-07 1993-06-22 Franco-Belge De Fabrication De Combustible Method for manufacturing grids for a nuclear fuel assembly
US5179261A (en) * 1991-09-17 1993-01-12 Combustion Engineering Inc. Split beam laser welding system
US5369242A (en) * 1993-12-08 1994-11-29 Combustion Engineering, Inc. Split beam laser welding apparatus
US5371767A (en) * 1994-02-01 1994-12-06 Westinghouse Electric Corporation System and method for laser welding an inner surface of a small diameter tubular member
IT1291377B1 (it) * 1997-05-21 1999-01-08 Bertolotti Spa Sfera di segnalazione per linee elettriche aeree

Also Published As

Publication number Publication date
EP0751528A1 (fr) 1997-01-02
DE69600954D1 (de) 1998-12-17
FR2736191A1 (fr) 1997-01-03
JPH0915363A (ja) 1997-01-17
TW328604B (en) 1998-03-21
CN1151339A (zh) 1997-06-11
FR2736191B1 (fr) 1997-09-26
US5726418A (en) 1998-03-10
KR970003285A (ko) 1997-01-28
EP0751528B1 (fr) 1998-11-11

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