ES8600550A1 - Mejoras introducidas en conjuntos de combustible nuclear. - Google Patents

Mejoras introducidas en conjuntos de combustible nuclear.

Info

Publication number
ES8600550A1
ES8600550A1 ES521252A ES521252A ES8600550A1 ES 8600550 A1 ES8600550 A1 ES 8600550A1 ES 521252 A ES521252 A ES 521252A ES 521252 A ES521252 A ES 521252A ES 8600550 A1 ES8600550 A1 ES 8600550A1
Authority
ES
Spain
Prior art keywords
rotation
nuclear fuel
fuel assemblies
preventing
bars
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
Application number
ES521252A
Other languages
English (en)
Other versions
ES521252A0 (es
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.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of ES521252A0 publication Critical patent/ES521252A0/es
Publication of ES8600550A1 publication Critical patent/ES8600550A1/es
Expired 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
    • G21C3/326—Bundles of parallel pin-, rod-, or tube-shaped fuel elements comprising fuel elements of different composition; comprising, in addition to the fuel elements, other pin-, rod-, or tube-shaped elements, e.g. control rods, grid support rods, fertile rods, poison rods or dummy rods
    • 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
    • G21C7/12—Means for moving control elements to desired position
    • G21C7/14—Mechanical drive arrangements
    • 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)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
  • Transmission Devices (AREA)
  • Supports For Pipes And Cables (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

MEJORAS INTRODUCIDAS EN CONJUNTOS DE COMBUSTIBLE NUCLEAR.CONSISTENTES EN: UNA PLURALIDAD DE BARRAS DE FORMA ALARGADA (22) CON UN OBTURADOR DE EXTREMIDAD (30) DISPUESTO EN UNA EXTREMIDAD LONGITUDINAL DE CADA UNA DE LAS BARRAS (22); UNA PLACA DE FIJACION (42) CON UNA PLURALIDAD DE MANGUITOS (40) DE PLACA DE FIJACION CILINDRICOS, TENIENDO CADA UNO DE LOS MANGUITOS (40) DE PLACA DE FIJACION UNA CAVIDAD INTERNA (43) DESTINADA A RECIBIR A TRAVES DE ELLA UN OBTURADOR DE EXTREMIDAD (30) DE UNA DE LAS BARRAS DE FORMA ALARGADAS (22); Y UN DISPOSITIVO ANTI-ROTACION (36, 38) Y LOS MANGUITOS (40) PARA IMPEDIR LA ROTACION DE LAS BARRAS (22), QUE ESTA FORMADO EN EL OBTURADOR (30) Y EN EL MANGUITO (20) EXTERIOR DE LA CAVIDAD INTERNA (43), PARA IMPEDIR LA ROTACION DE LAS BARRAS DE FORMA ALARGADA (22).
ES521252A 1982-04-08 1983-04-06 Mejoras introducidas en conjuntos de combustible nuclear. Expired ES8600550A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/366,819 US4492668A (en) 1982-04-08 1982-04-08 Apparatus and method for preventing the rotation of rods used in nuclear _fuel assemblies

Publications (2)

Publication Number Publication Date
ES521252A0 ES521252A0 (es) 1985-10-01
ES8600550A1 true ES8600550A1 (es) 1985-10-01

Family

ID=23444675

Family Applications (1)

Application Number Title Priority Date Filing Date
ES521252A Expired ES8600550A1 (es) 1982-04-08 1983-04-06 Mejoras introducidas en conjuntos de combustible nuclear.

Country Status (6)

Country Link
US (1) US4492668A (es)
JP (1) JPS58186082A (es)
KR (1) KR840004604A (es)
ES (1) ES8600550A1 (es)
IT (1) IT1170122B (es)
SE (1) SE450307B (es)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2541809B1 (fr) * 1983-02-25 1985-07-26 Framatome Sa Assemblage combustible pour un reacteur nucleaire
US4818473A (en) * 1985-05-08 1989-04-04 Westinghouse Electric Corp. Fuel bundle
FR2599884B1 (fr) * 1986-06-10 1988-10-07 Fragema Framatome & Cogema Grappe de reglage munie de crayons demontables pour assemblage de combustible nucleaire
EP0549844B1 (de) * 1992-01-03 1996-05-22 Siemens Aktiengesellschaft Kernreaktorbrennelement
US5406604A (en) * 1993-11-18 1995-04-11 General Electric Company Two part tie plate adapted to D & C lattice
US5553108A (en) * 1994-11-03 1996-09-03 General Electric Company Water rod attachment in a nuclear reactor fuel bundle
US5608768A (en) * 1995-01-17 1997-03-04 General Electric Company Threaded fuel rod end plugs and related method
US5646973A (en) * 1995-10-12 1997-07-08 General Electric Company BWR fuel assembly without upper tie plate
FR2754101B1 (fr) * 1996-09-30 1998-12-04 Framatome Sa Squelette d'assemblage combustible nucleaire a tubes guides et procede de fabrication d'un tel squelette
SE508875C2 (sv) * 1997-03-11 1998-11-09 Asea Atom Ab Anordning och förfarande för låsning av stavar i bottenplattan på en bränslepatron
US6275556B1 (en) 1999-11-19 2001-08-14 Westinghouse Electric Company Llc Method and apparatus for preventing relative rotation of tube members in a control rod drive mechanism
KR100996956B1 (ko) * 2008-11-25 2010-11-29 한국수력원자력 주식회사 분할 핵연료봉용 상하부 중간 봉단마개 및 이를 구비한 분할 핵연료봉
CN202972113U (zh) * 2012-10-22 2013-06-05 费希尔久安输配设备(成都)有限公司 一种驱动装置以及包含该驱动装置的阀
US11437155B2 (en) * 2017-02-28 2022-09-06 Westinghouse Electric Company Llc Three dimensional printed precision magnets for fuel assembly
US10720246B2 (en) * 2017-04-20 2020-07-21 Westinghouse Electric Company Llc Fuel assembly arrangement for retaining fuel rod end plug to bottom nozzle

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3741868A (en) * 1970-03-30 1973-06-26 Gen Electric Fuel bundle with removable rods
US3864211A (en) * 1972-10-02 1975-02-04 Exxon Nuclear Co Inc Removable upper tie plate
US3953287A (en) * 1973-08-06 1976-04-27 Exxon Nuclear Company, Inc. Assembly mechanism for nuclear fuel bundles

Also Published As

Publication number Publication date
JPS58186082A (ja) 1983-10-29
ES521252A0 (es) 1985-10-01
IT8320324A0 (it) 1983-03-28
IT1170122B (it) 1987-06-03
KR840004604A (ko) 1984-10-22
SE8301496D0 (sv) 1983-03-18
SE8301496L (sv) 1983-10-09
US4492668A (en) 1985-01-08
SE450307B (sv) 1987-06-15
JPH0129433B2 (es) 1989-06-09

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Legal Events

Date Code Title Description
MM4A Patent lapsed

Effective date: 19960506