TW373183B - Preventive maintenance apparatus for structural members in a nuclear pressure vessel - Google Patents

Preventive maintenance apparatus for structural members in a nuclear pressure vessel

Info

Publication number
TW373183B
TW373183B TW087101926A TW87101926A TW373183B TW 373183 B TW373183 B TW 373183B TW 087101926 A TW087101926 A TW 087101926A TW 87101926 A TW87101926 A TW 87101926A TW 373183 B TW373183 B TW 373183B
Authority
TW
Taiwan
Prior art keywords
core shroud
pressure vessel
discharging nozzle
guide rail
preventive maintenance
Prior art date
Application number
TW087101926A
Other languages
English (en)
Inventor
Koichi Kurosawa
Eisaku Hayashi
Sadahito Shimizu
Minoru Otaka
Fujio Yoshikubo
Original Assignee
Hitachi Ltd
Babcock Hitachi Kk
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 Hitachi Ltd, Babcock Hitachi Kk filed Critical Hitachi Ltd
Application granted granted Critical
Publication of TW373183B publication Critical patent/TW373183B/zh

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
    • G21C19/20—Arrangements for introducing objects into the pressure vessel; Arrangements for handling objects within the pressure vessel; Arrangements for removing objects from the pressure vessel
    • G21C19/207—Assembling, maintenance or repair of reactor components
    • 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)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
TW087101926A 1997-02-24 1998-02-12 Preventive maintenance apparatus for structural members in a nuclear pressure vessel TW373183B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3893597 1997-02-24

Publications (1)

Publication Number Publication Date
TW373183B true TW373183B (en) 1999-11-01

Family

ID=12539093

Family Applications (1)

Application Number Title Priority Date Filing Date
TW087101926A TW373183B (en) 1997-02-24 1998-02-12 Preventive maintenance apparatus for structural members in a nuclear pressure vessel

Country Status (2)

Country Link
US (2) US6058153A (zh)
TW (1) TW373183B (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI761581B (zh) * 2017-09-06 2022-04-21 美商奇異日立核能美國有限公司 用於自一核反應器之一噴射泵總成移除沈積物之清潔工具及用於清潔核反應器之噴射泵總成之系統
US11717865B2 (en) 2017-09-06 2023-08-08 Ge-Hitachi Nuclear Energy Americas Llc Method of cleaning a nozzle of a jet pump assembly of a nuclear reactor

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6639962B2 (en) 1998-08-12 2003-10-28 Hitachi, Ltd. Preventive maintenance method and apparatus of a structural member in a reactor pressure vessel
JP3583031B2 (ja) * 1998-08-12 2004-10-27 株式会社日立製作所 原子炉圧力容器の内部構造部材のウォータージェットピーニング方法及びウォータージェットピーニング装置
JP3803734B2 (ja) * 1999-01-26 2006-08-02 株式会社日立製作所 ウオータージェットピーニング装置
JP2002168992A (ja) * 2000-11-30 2002-06-14 Hitachi Ltd 原子炉圧力容器内補修方法及び補修装置
US6630202B1 (en) * 2002-09-30 2003-10-07 General Electric Company CVD treatment of hard friction coated steam line plug grips
US7092477B2 (en) * 2002-10-01 2006-08-15 Westinghouse Electric Co Llc BWR inspection manipulator
US20040258190A1 (en) * 2003-06-23 2004-12-23 Neau David Matthew Device to perform visual inspection and in-vessel maintenance on vessel components in a nuclear boiling water reactor vessel
US7267019B2 (en) * 2005-12-06 2007-09-11 General Electric Company Method of inspecting or utilizing tools in a nuclear reactor environment
JP4865334B2 (ja) * 2006-01-10 2012-02-01 三菱重工業株式会社 先端工具案内装置及び先端工具案内装置の搬入方法
US8387427B2 (en) * 2009-07-08 2013-03-05 Hitachi-Ge Nuclear Energy, Ltd. Water jet peening method and apparatus thereof
US9365908B2 (en) 2011-09-07 2016-06-14 Ormond, Llc Method and apparatus for non-contact surface enhancement
US9050642B2 (en) 2011-09-27 2015-06-09 Ormond, Llc Method and apparatus for surface enhancement
JP2013139068A (ja) 2012-01-05 2013-07-18 Hitachi-Ge Nuclear Energy Ltd ウォータジェットピーニング施工方法
US9437333B2 (en) * 2012-10-09 2016-09-06 Westinghouse Electric Company Llc Apparatus and method to control sensor position in limited access areas within a nuclear reactor
JP6041688B2 (ja) * 2013-01-28 2016-12-14 三菱重工業株式会社 ウォータジェットピーニング装置
JP6189040B2 (ja) 2013-01-31 2017-08-30 三菱重工業株式会社 原子炉補修装置の据付装置及び方法
EP2957394B1 (en) * 2013-02-12 2017-10-25 Hitachi, Ltd. Remote operation manipulator
FR3008332A1 (fr) * 2013-07-12 2015-01-16 Hitachi Ge Nuclear Energy Ltd Appareil de martelage au jet d'eau et procede de martelage au jet d'eau

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US4496519A (en) * 1981-03-09 1985-01-29 Mcguire Paul J Nuclear reactor vessel decontamination systems
DE3418835A1 (de) * 1984-05-21 1985-11-21 Ernst Schmutz GmbH, 7858 Weil Vorrichtung zum reinigen radioaktiv kontaminierter rohrbuendel
JPS61296293A (ja) * 1985-06-26 1986-12-27 株式会社日立製作所 シユラウドヘツド締付機構
EP0218354B1 (en) * 1985-09-09 1990-11-07 Westinghouse Electric Corporation High pressure water shot peening
JPS62116292A (ja) * 1985-11-15 1987-05-27 株式会社東芝 原子炉構造物の取付装置
JP2841963B2 (ja) * 1991-09-20 1998-12-24 株式会社日立製作所 原子炉構造物の残留応力改善方法及びその残留応力改善装置
JP2774008B2 (ja) * 1992-01-24 1998-07-09 株式会社日立製作所 原子炉構造物の残留応力改善方法及びその残留応力改善装置
US5418824A (en) * 1993-05-19 1995-05-23 General Electric Company In situ inlet mixer cleaning system
US5369676A (en) * 1993-08-19 1994-11-29 General Electric Company Reactor refueling mechanism
JP3132623B2 (ja) * 1994-03-31 2001-02-05 株式会社日立製作所 シュラウドの予防保全装置及び予防保全方法
US5465278A (en) * 1994-05-23 1995-11-07 General Electric Company Shroud electrochemical potential monitor
US5553106A (en) * 1994-06-15 1996-09-03 Hitachi, Ltd. Residual stress improving method for members in reactor pressure vessel
JPH08132307A (ja) * 1994-11-08 1996-05-28 Ishikawajima Harima Heavy Ind Co Ltd 姿勢調整機構付旋回架台
US5586155A (en) * 1995-02-14 1996-12-17 General Electric Company Narrow access scanning positioner for inspecting core shroud in boiling water reactor
DE19654155C2 (de) * 1995-12-27 2002-06-27 Toshiba Kawasaki Kk Handhabungsvorrichtung für reaktorinterne Einrichtungen
JP3779416B2 (ja) * 1997-03-27 2006-05-31 株式会社日立製作所 原子炉圧力容器内構造物の予防保全設備
US5778713A (en) * 1997-05-13 1998-07-14 Waterjet Technology, Inc. Method and apparatus for ultra high pressure water jet peening

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI761581B (zh) * 2017-09-06 2022-04-21 美商奇異日立核能美國有限公司 用於自一核反應器之一噴射泵總成移除沈積物之清潔工具及用於清潔核反應器之噴射泵總成之系統
US11420239B2 (en) 2017-09-06 2022-08-23 Ge-Hitachi Nuclear Energy Americas Llc Method of cleaning a throat section of a jet pump assembly of a nuclear reactor
US11717865B2 (en) 2017-09-06 2023-08-08 Ge-Hitachi Nuclear Energy Americas Llc Method of cleaning a nozzle of a jet pump assembly of a nuclear reactor

Also Published As

Publication number Publication date
US6058153A (en) 2000-05-02
US6240155B1 (en) 2001-05-29

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