IT1140329B - Complesso di combustibile per un reattore nucleare - Google Patents

Complesso di combustibile per un reattore nucleare

Info

Publication number
IT1140329B
IT1140329B IT25602/81A IT2560281A IT1140329B IT 1140329 B IT1140329 B IT 1140329B IT 25602/81 A IT25602/81 A IT 25602/81A IT 2560281 A IT2560281 A IT 2560281A IT 1140329 B IT1140329 B IT 1140329B
Authority
IT
Italy
Prior art keywords
nuclear reactor
fuel assembly
fuel complex
core plate
fuel
Prior art date
Application number
IT25602/81A
Other languages
English (en)
Other versions
IT8125602A0 (it
Inventor
Robert K Gjertsen
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 IT8125602A0 publication Critical patent/IT8125602A0/it
Application granted granted Critical
Publication of IT1140329B publication Critical patent/IT1140329B/it

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
    • G21C3/3305—Lower nozzle
    • 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
    • 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
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C5/00—Moderator or core structure; Selection of materials for use as moderator
    • G21C5/02—Details
    • G21C5/06—Means for locating or supporting fuel elements
    • 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
    • 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)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Fuel-Injection Apparatus (AREA)
IT25602/81A 1980-12-16 1981-12-15 Complesso di combustibile per un reattore nucleare IT1140329B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/217,059 US4381284A (en) 1980-12-16 1980-12-16 Fuel assembly for a nuclear reactor

Publications (2)

Publication Number Publication Date
IT8125602A0 IT8125602A0 (it) 1981-12-15
IT1140329B true IT1140329B (it) 1986-09-24

Family

ID=22809528

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25602/81A IT1140329B (it) 1980-12-16 1981-12-15 Complesso di combustibile per un reattore nucleare

Country Status (14)

Country Link
US (1) US4381284A (it)
EP (1) EP0054235B1 (it)
JP (1) JPS57124286A (it)
KR (2) KR830008329A (it)
AT (1) ATE12712T1 (it)
BE (1) BE891487A (it)
CA (1) CA1175166A (it)
DE (1) DE3169898D1 (it)
ES (1) ES507955A0 (it)
FR (1) FR2497997B1 (it)
GB (1) GB2089554B (it)
IL (1) IL64545A (it)
IT (1) IT1140329B (it)
ZA (1) ZA818400B (it)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4474398A (en) * 1981-06-26 1984-10-02 Westinghouse Electric Corp. Fuel assembly locking apparatus
FR2517867B1 (fr) * 1981-12-04 1986-08-22 Framatome Sa Dispositif de fixation d'un assemblage combustible sur la plaque inferieure de support du coeur, dans un reacteur nucleaire
US4452755A (en) * 1982-01-29 1984-06-05 The United States Of America As Represented By The United States Department Of Energy Fuel rod retention device for a nuclear reactor
FR2537764A1 (fr) * 1982-12-08 1984-06-15 Framatome Sa Dispositif de commande de deux grappes de crayons de reglage deplacables verticalement dans un meme assemblage combustible du coeur d'un reacteur nucleaire
US4647424A (en) * 1983-11-16 1987-03-03 Westinghouse Electric Corp. Fuel assembly unlatching and handling gripper
US4696784A (en) * 1984-03-28 1987-09-29 Westinghouse Electric Corp. System for manipulating radioactive fuel rods within a nuclear fuel assembly
US4684495A (en) * 1984-11-16 1987-08-04 Westinghouse Electric Corp. Fuel assembly bottom nozzle with integral debris trap
US4687630A (en) * 1985-03-13 1987-08-18 Westinghouse Electric Corp. Top nozzle and guide thimble joint structure in a nuclear fuel assembly
US4716004A (en) * 1986-02-06 1987-12-29 Westinghouse Electric Corp. Thimble guide extender
US4996021A (en) * 1990-05-29 1991-02-26 Combustion Engineering, Inc. Bottom nozzle to guide tube connection
US5363423A (en) * 1993-08-19 1994-11-08 Westinghouse Electric Corporation Quick release top nozzle assembly
US6115440A (en) * 1998-04-29 2000-09-05 Westinghouse Electric Company Llc Quick release, removable top nozzle assembly
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
CA2710432C (en) 2007-12-26 2016-04-26 Thorium Power, Inc. Nuclear reactor, fuel assembly consisting of driver-breeding modules for a nuclear reactor and a fuel cell for a fuel assembly
AU2008365658B2 (en) 2008-12-25 2015-05-21 Thorium Power Inc. Fuel assembly for a light-water nuclear reactor (embodiments), light-water nuclear reactor and fuel element of the fuel assembly
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
US9972407B2 (en) * 2012-04-17 2018-05-15 Bwxt Mpower, Inc. Small modular reactor fuel assembly
US11817226B2 (en) * 2021-11-10 2023-11-14 Westinghouse Electric Company Llc Bottom nozzle with protective insert

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB931676A (en) * 1960-09-05 1963-07-17 Atomic Energy Authority Uk Improvements in or relating to nuclear reactor core structures
NL282482A (it) * 1961-08-25
US3377254A (en) * 1961-12-01 1968-04-09 Westinghouse Electric Corp Fuel arrangement for a nuclear reactor
US3368602A (en) * 1966-04-01 1968-02-13 Tridair Industries Self-locking captive screw assembly
US3549491A (en) * 1968-11-21 1970-12-22 Atomic Energy Commission Nuclear reactor fuel element hold-down and tightening mechanism
US3828868A (en) * 1969-11-26 1974-08-13 Babcock & Wilcox Co Fuel assembly for a nuclear reactor
US3770583A (en) * 1971-05-20 1973-11-06 Combustion Eng Fuel assembly hold-down device
US3853703A (en) * 1972-07-03 1974-12-10 Combustion Eng Fuel assembly hold-up device
US3864211A (en) * 1972-10-02 1975-02-04 Exxon Nuclear Co Inc Removable upper tie plate
US4030975A (en) * 1973-06-25 1977-06-21 Combustion Engineering, Inc. Fuel assembly for a nuclear reactor
US3953287A (en) * 1973-08-06 1976-04-27 Exxon Nuclear Company, Inc. Assembly mechanism for nuclear fuel bundles
US3971575A (en) * 1974-11-29 1976-07-27 Combustion Engineering, Inc. Releasable locking device
US4036692A (en) * 1975-08-01 1977-07-19 The Babcock & Wilcox Company Nuclear fuel element nut retainer cup
FR2326764A1 (fr) * 1975-10-02 1977-04-29 Commissariat Energie Atomique Structure de coeur pour reacteur nucleaire
US4064004A (en) * 1976-02-23 1977-12-20 Exxon Nuclear Company, Inc. Assembly mechanism for nuclear fuel bundles
FR2395572A1 (fr) * 1977-06-23 1979-01-19 Framatome Sa Procede de controle des effets de reactivite dus aux variations de puissance dans les reacteurs nucleaires a eau pressurisee
US4298434A (en) * 1978-11-13 1981-11-03 Combustion Engineering, Inc. Bottom mounted fuel holddown mechanism

Also Published As

Publication number Publication date
DE3169898D1 (en) 1985-05-15
JPS57124286A (en) 1982-08-03
IL64545A (en) 1985-05-31
GB2089554A (en) 1982-06-23
EP0054235B1 (en) 1985-04-10
FR2497997B1 (fr) 1988-04-01
JPS6239956B2 (it) 1987-08-26
KR830008328A (ko) 1983-11-18
ZA818400B (en) 1983-07-27
IT8125602A0 (it) 1981-12-15
BE891487A (fr) 1982-06-15
CA1175166A (en) 1984-09-25
ES8402450A1 (es) 1984-02-01
FR2497997A1 (fr) 1982-07-16
ATE12712T1 (de) 1985-04-15
EP0054235A1 (en) 1982-06-23
GB2089554B (en) 1984-02-08
US4381284A (en) 1983-04-26
ES507955A0 (es) 1984-02-01
KR830008329A (ko) 1983-11-18

Similar Documents

Publication Publication Date Title
IT1140329B (it) Complesso di combustibile per un reattore nucleare
AR212928A1 (es) Metodo para descomponer quimicamente por calor(pirolisis)desperdicios y un reactor que trabaja por pirolisis para llevar a cabo el metodo
ES517737A0 (es) Aparato para retirar y-o posicionar los conjuntos de combustible de un reactor nuclear.
GB2054247B (en) Fuel assembly for a boiling nuclear reactor
CA941078A (en) Fuel element can for nuclear reactors which resists corrosion by nuclear fuel and reactor coolant
BE769671A (fr) Systeme pour le degagement rapide du noyau d'un reacteur nucleaire en vue de sa recharge en combustible
ZA776043B (en) Dismountable fuel assembly for a nuclear reactor
GB2021303B (en) Nuclear reactor fuel assemblies
JPS5497181A (en) Single latch structure that mutually lock vessels under stacking positional relationship
FR2279199A1 (fr) Dispositif de positionnement et de verrouillage pour les elements combustibles d'un reacteur nucleaire
FR2573238B1 (fr) Systeme de fermeture de chateau de stockage de combustible nucleaire use
SE7707469L (sv) Kernbrensleelement
IT1131727B (it) Serratura del tipo ad arresto con chiavestello a blocco automatico
FR2467468B1 (fr) Chateau de transport, notamment de combustible nucleaire irradie
CH476368A (fr) Dispositif de chargement d'un réacteur nucléaire en assemblages d'éléments de combustible
SE8503684D0 (sv) Lasmekanism
GB2009306A (en) Latches for skips
BE793360A (fr) Dispositif de blocage axial des assemblages combustibles d'un reacteur nucleaire
JPS51118596A (en) Electronic lock
JPS554510A (en) Nuclear fuel assembly for boiling water reactor
IT7804748V0 (it) Serratura a scrocco con chiave di bloccaggio per valigie o simili a pareti rigide
ES282646A1 (es) Perfeccionamientos en combinaciones o acoplamientos de moderador sólido para reactor nuclear
IT7844218A0 (it) Serratura di sicurezza con dispositivo automatico di blocco del chiavistello
GB899194A (en) Improvements in or relating to nuclear reactor fuel elements
IT7820515V0 (it) Serratura di sicurezza del tipo a scrocco e chiavistelli montati su cursore azionato da manopola e con gruppo a chiave per il bloccaggio di detto cursore.