FR2955693B1 - Buse superieure pour ensemble de combustible nucleaire ayant un trou d'insertion de ressort ameliore du point de vue de la stabilite de fixation et son procede de fabrication - Google Patents

Buse superieure pour ensemble de combustible nucleaire ayant un trou d'insertion de ressort ameliore du point de vue de la stabilite de fixation et son procede de fabrication

Info

Publication number
FR2955693B1
FR2955693B1 FR1056302A FR1056302A FR2955693B1 FR 2955693 B1 FR2955693 B1 FR 2955693B1 FR 1056302 A FR1056302 A FR 1056302A FR 1056302 A FR1056302 A FR 1056302A FR 2955693 B1 FR2955693 B1 FR 2955693B1
Authority
FR
France
Prior art keywords
manufacturing
insertion hole
view
same
fuel assembly
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.)
Active
Application number
FR1056302A
Other languages
English (en)
Other versions
FR2955693A1 (fr
Inventor
Joon Kyoo Park
Jin Seok Lee
Kyeong Lak Jeon
Jung Min Suh
Gi Jun Gwon
Nam Gyu Park
Kyong Bo Eom
Jin Sun Kim
Dong Geun Ha
Kyoung Joo Kim
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.)
Korea Nuclear Fuel Co Ltd
Original Assignee
Korea Nuclear Fuel Co Ltd
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 Korea Nuclear Fuel Co Ltd filed Critical Korea Nuclear Fuel Co Ltd
Publication of FR2955693A1 publication Critical patent/FR2955693A1/fr
Application granted granted Critical
Publication of FR2955693B1 publication Critical patent/FR2955693B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G21C3/33—Supporting or hanging of elements in the bundle; Means forming part of the bundle for inserting it into, or removing it from, the core; Means for coupling adjacent bundles
    • G21C3/331—Comprising hold-down means, e.g. springs
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C21/00—Apparatus or processes specially adapted to the manufacture of reactors or parts thereof
    • 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
    • G21C3/33—Supporting or hanging of elements in the bundle; Means forming part of the bundle for inserting it into, or removing it from, the core; Means for coupling adjacent bundles
    • G21C3/3315—Upper nozzle
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/494—Fluidic or fluid actuated device making
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49428—Gas and water specific plumbing component making
    • Y10T29/49432—Nozzle making

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Manufacturing & Machinery (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Springs (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
FR1056302A 2010-01-25 2010-07-30 Buse superieure pour ensemble de combustible nucleaire ayant un trou d'insertion de ressort ameliore du point de vue de la stabilite de fixation et son procede de fabrication Active FR2955693B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100006469A KR101081560B1 (ko) 2010-01-25 2010-01-25 고정 안정성이 향상된 스프링홈이 형성된 핵연료 집합체용 상단고정체 및 그 제작 방법

Publications (2)

Publication Number Publication Date
FR2955693A1 FR2955693A1 (fr) 2011-07-29
FR2955693B1 true FR2955693B1 (fr) 2014-09-26

Family

ID=44279037

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1056302A Active FR2955693B1 (fr) 2010-01-25 2010-07-30 Buse superieure pour ensemble de combustible nucleaire ayant un trou d'insertion de ressort ameliore du point de vue de la stabilite de fixation et son procede de fabrication

Country Status (4)

Country Link
US (2) US20110182394A1 (fr)
KR (1) KR101081560B1 (fr)
CN (2) CN105513658B (fr)
FR (1) FR2955693B1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101673876B1 (ko) * 2015-04-15 2016-11-09 한전원자력연료 주식회사 횡방향 진동을 저감하기 위한 코어핀 홀더캡이 구비된 핵연료 집합체용 상단고정체
CN106229016A (zh) * 2016-09-14 2016-12-14 上海核工程研究设计院 一种两段式燃料组件板式压紧弹簧
CN106531230B (zh) * 2016-11-18 2018-09-11 中国核动力研究设计院 一种变刚度低辐照松弛的高稳定性燃料组件压紧系统
CN108907609B (zh) * 2017-12-27 2019-09-17 中核北方核燃料元件有限公司 一种核燃料组件上管座机械加工方法及加工夹具
CN110993127B (zh) * 2019-11-29 2021-08-27 广东核电合营有限公司 一种核燃料组件及变刚度压紧装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE445500B (sv) * 1984-11-12 1986-06-23 Asea Atom Ab Brenslepatron
US4792429A (en) * 1987-08-24 1988-12-20 Combustion Engineering, Inc. Spring retention cap
US4938919A (en) * 1989-03-06 1990-07-03 Westinghouse Electric Corp. Hold-down spring clamps on fuel assembly top nozzle
US5057272A (en) * 1989-12-01 1991-10-15 Westinghouse Electric Corp. Nuclear fuel assembly top nozzle with improved arrangement of hold-down leaf spring assemblies
SE466825B (sv) * 1990-08-14 1992-04-06 Asea Atom Ab Foerfarande foer fastsaettning av ett fjaederpaket paa en topplatta i en braenslepatron foer en kaernreaktor
US5053191A (en) * 1990-09-13 1991-10-01 Combustion Engineering, Inc. Fuel assembly holddown spring
US5271053A (en) * 1992-07-02 1993-12-14 Combustion Engineering, Inc. Holddown leaf spring assembly
FR2725298B1 (fr) * 1994-09-30 1996-12-20 Framatome Sa Coeur d'un reacteur nucleaire a eau sous pression et embout superieur d'un assemblage de combustible du coeur
JP3546125B2 (ja) * 1997-06-10 2004-07-21 三菱重工業株式会社 原子炉用燃料集合体の上部押さえばね構造
KR100309588B1 (ko) 1999-02-05 2001-09-26 황종복 방전가공에서의 최적 방전가공조건 결정 및 방전 가공 시간 추정 방법
US6738447B1 (en) * 2003-05-22 2004-05-18 Westinghouse Electric Company Llc High energy absorption top nozzle for a nuclear fuel assembly
FR2864326B1 (fr) * 2003-12-22 2006-02-24 Framatome Anp Procede de limitation des efforts de maintien exerces sur un assemblage de combustible d'un reacteur nucleaire et assemblage de combustible
US20060227923A1 (en) * 2005-04-08 2006-10-12 Westinghouse Electric Company Llc Nuclear fuel assembly low pressure drop top nozzle
CN201111965Y (zh) * 2007-10-19 2008-09-10 上海核工程研究设计院 压水堆燃料组件上管座
US9208904B2 (en) * 2008-04-15 2015-12-08 Westinghouse Electric Company Llc Reinforcement for a nuclear fuel assembly

Also Published As

Publication number Publication date
US20120246933A1 (en) 2012-10-04
CN105513658A (zh) 2016-04-20
KR101081560B1 (ko) 2011-11-08
US8958520B2 (en) 2015-02-17
FR2955693A1 (fr) 2011-07-29
CN102136302A (zh) 2011-07-27
KR20110087030A (ko) 2011-08-02
US20110182394A1 (en) 2011-07-28
CN105513658B (zh) 2019-07-19

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