FR2522867B1 - Boulettes d'absorption de neutrons, dispositif d'utilisation et procede de fabrication - Google Patents

Boulettes d'absorption de neutrons, dispositif d'utilisation et procede de fabrication

Info

Publication number
FR2522867B1
FR2522867B1 FR8220163A FR8220163A FR2522867B1 FR 2522867 B1 FR2522867 B1 FR 2522867B1 FR 8220163 A FR8220163 A FR 8220163A FR 8220163 A FR8220163 A FR 8220163A FR 2522867 B1 FR2522867 B1 FR 2522867B1
Authority
FR
France
Prior art keywords
manufacturing
neutron absorption
absorption balls
balls
neutron
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
FR8220163A
Other languages
English (en)
Other versions
FR2522867A1 (fr
Inventor
Kenneth C Radford
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.)
CBS 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 FR2522867A1 publication Critical patent/FR2522867A1/fr
Application granted granted Critical
Publication of FR2522867B1 publication Critical patent/FR2522867B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G21C21/18—Manufacture of control elements covered by group G21C7/00
    • 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
    • G21C3/42—Selection of substances for use as reactor fuel
    • G21C3/58—Solid reactor fuel Pellets made of fissile material
    • G21C3/62—Ceramic fuel
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C7/00—Control of nuclear reaction
    • G21C7/02—Control of nuclear reaction by using self-regulating properties of reactor materials, e.g. Doppler effect
    • G21C7/04—Control of nuclear reaction by using self-regulating properties of reactor materials, e.g. Doppler effect of burnable poisons
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Ceramic Engineering (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Ceramic Products (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
FR8220163A 1981-12-28 1982-12-01 Boulettes d'absorption de neutrons, dispositif d'utilisation et procede de fabrication Expired FR2522867B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/334,720 US4474728A (en) 1981-12-28 1981-12-28 Neutron absorber pellets with modified microstructure

Publications (2)

Publication Number Publication Date
FR2522867A1 FR2522867A1 (fr) 1983-09-09
FR2522867B1 true FR2522867B1 (fr) 1988-07-29

Family

ID=23308515

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8220163A Expired FR2522867B1 (fr) 1981-12-28 1982-12-01 Boulettes d'absorption de neutrons, dispositif d'utilisation et procede de fabrication

Country Status (16)

Country Link
US (1) US4474728A (fr)
JP (1) JPS58118984A (fr)
KR (1) KR910000595B1 (fr)
AU (1) AU562697B2 (fr)
BE (1) BE895483A (fr)
CH (1) CH663680A5 (fr)
DE (1) DE3248020A1 (fr)
ES (1) ES518591A0 (fr)
FR (1) FR2522867B1 (fr)
GB (1) GB2112560B (fr)
IE (1) IE53787B1 (fr)
IL (1) IL67321A (fr)
IT (1) IT1153916B (fr)
PH (1) PH21065A (fr)
SE (1) SE460235B (fr)
ZA (1) ZA828575B (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4826630A (en) * 1981-12-28 1989-05-02 Westinghouse Electric Corp. Burnable neutron absorbers
US4566989A (en) * 1982-02-26 1986-01-28 Westinghouse Electric Corp. Burnable neutron absorbers
US4696793A (en) * 1984-03-28 1987-09-29 Westinghouse Electric Corp. Burnable poison rod for use in a nuclear reactor
US4818477A (en) * 1984-07-10 1989-04-04 Westinghouse Electric Corp. PCI resistant fuel and method and apparatus for controlling reactivity in a reactor core
US4683114A (en) * 1984-12-05 1987-07-28 Westinghouse Electric Corp. Burnable absorber-containing nuclear fuel pellets and formation of the same
US4683116A (en) * 1985-05-09 1987-07-28 Westinghouse Electric Corp. Nuclear reactor
US4695476A (en) * 1985-06-06 1987-09-22 Westinghouse Electric Corp. Process for coating the internal surface of zirconium tubes with neutron absorbers
US4751041A (en) * 1986-01-15 1988-06-14 Westinghouse Electric Corp. Burnable neutron absorber element
US4744922A (en) * 1986-07-10 1988-05-17 Advanced Refractory Technologies, Inc. Neutron-absorbing material and method of making same
US5242622A (en) * 1988-09-15 1993-09-07 Compagnie Europeenne Du Zirconium Cezus Process for the production of a neutron absorbing pellet, the pellet obtained and the use thereof
US5156804A (en) * 1990-10-01 1992-10-20 Thermal Technology, Inc. High neutron-absorbing refractory compositions of matter and methods for their manufacture
US5273709A (en) * 1990-10-01 1993-12-28 Thermal Technology Inc. High neutron absorbing refractory compositions of matter and methods for their manufacture
US5416813A (en) * 1992-10-30 1995-05-16 Kabushiki Kaisha Toshiba Moderator rod containing burnable poison and fuel assembly utilizing same
US6332906B1 (en) 1998-03-24 2001-12-25 California Consolidated Technology, Inc. Aluminum-silicon alloy formed from a metal powder
US5965829A (en) * 1998-04-14 1999-10-12 Reynolds Metals Company Radiation absorbing refractory composition
US7460632B2 (en) * 2004-09-22 2008-12-02 Areva Np Inc. Control rod absorber stack support
US20060189474A1 (en) * 2005-02-23 2006-08-24 Yeckley Russell L Alumina-boron carbide ceramics and methods of making and using the same
WO2006091951A2 (fr) * 2005-02-23 2006-08-31 Kennametal Inc. Ceramiques alumine-carbure de bore et leurs procedes de fabrication et d'utilisation
US8781057B2 (en) * 2010-12-16 2014-07-15 Babcock & Wilcox Mpower, Inc. Control system and method for pressurized water reactor (PWR) and PWR systems including same
US11367537B2 (en) * 2017-05-09 2022-06-21 Westinghouse Electric Company Llc Annular nuclear fuel pellets with central burnable absorber

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB835257A (en) * 1956-05-18 1960-05-18 Parsons C A & Co Ltd Improvements in and relating to nuclear reactors
GB865226A (en) * 1958-01-06 1961-04-12 Gen Electric Co Ltd Improvements in or relating to nuclear reactor control rod materials
US3088898A (en) * 1958-01-06 1963-05-07 Gen Electric Co Ltd Control rod materials
US3108886A (en) * 1958-12-29 1963-10-29 Carborundum Co Hard, refractory crystalline materials
US3423324A (en) * 1964-11-20 1969-01-21 Owens Illinois Inc Apparatus and method for producing silica and other oxides
GB1283159A (en) * 1970-05-21 1972-07-26 Atomic Energy Authority Uk Improvements in neutron absorbers
FR2133017A5 (en) * 1971-04-06 1972-11-24 Desmarquest & Cec Nuclear reactor combustible poison - comprising ceramics formed from oxide and carbide
DE2614185C2 (de) * 1976-04-02 1987-11-12 Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe Neutronen absorbierende Formkörper aus silikatischem Grundmaterial

Also Published As

Publication number Publication date
DE3248020A1 (de) 1983-09-08
JPH0337717B2 (fr) 1991-06-06
US4474728A (en) 1984-10-02
IE822740L (en) 1983-06-28
FR2522867A1 (fr) 1983-09-09
KR840003118A (ko) 1984-08-13
ES8506932A1 (es) 1985-07-16
IL67321A (en) 1986-03-31
GB2112560A (en) 1983-07-20
KR910000595B1 (ko) 1991-01-26
AU9100582A (en) 1983-07-07
CH663680A5 (de) 1987-12-31
SE460235B (sv) 1989-09-18
AU562697B2 (en) 1987-06-18
SE8206704D0 (sv) 1982-11-24
BE895483A (fr) 1983-06-27
IT8224994A0 (it) 1982-12-27
JPS58118984A (ja) 1983-07-15
IE53787B1 (en) 1989-02-15
SE8206704L (sv) 1983-06-29
ZA828575B (en) 1983-11-30
IT8224994A1 (it) 1984-06-27
GB2112560B (en) 1986-05-21
PH21065A (en) 1987-07-10
ES518591A0 (es) 1985-07-16
IT1153916B (it) 1987-01-21

Similar Documents

Publication Publication Date Title
FR2522867B1 (fr) Boulettes d'absorption de neutrons, dispositif d'utilisation et procede de fabrication
FR2604562B1 (fr) Dispositif semi-conducteur silicium-sur-isolant et procede de fabrication
FR2512241B1 (fr) Dispositif electro-optique a haute fiabilite et son procede de fabrication
DE3469247D1 (en) Photosensitive device with opaque radiation zones among the detectors, and method of manufacture
FR2496778B1 (fr) Procede et dispositif d'injection tourbillonnaire
BE870426A (fr) Procede et dispositif de separation d'isotopes
FR2535489B1 (fr) Procede et dispositif de correction d'erreur de syntaxe
ES512504A0 (es) "perfeccionamientos en los sistemas de deteccion en un reactor nuclear de potencia".
BE867974A (fr) Dispositif d'arret d'urgence avec de multiples masses absorbant les neutrons
FR2474743B1 (fr) Dispositif electromagnetique du type vis-ecrou a securite
FR2562249B1 (fr) Cellule humide tres radio-active, blindee, pour une installation nucleaire, avec un dispositif pour la reconnaissance des fuites et procede pour l'utilisation d'une telle cellule
BR8100671A (pt) Conjunto de comando de reator nuclear
ES539889A0 (es) Dispositivo de ajuste del valor del ph en la estructura de contencion de un reactor nuclear
ES548185A0 (es) Mejoras en reactores nucleares
BE891159A (fr) Dispositif collecteur d'urine
ES509001A0 (es) Aparato para controlar la reactividad en reactores nucleares.
BE868336A (fr) Procede et dispositif de fabrication de panneaux
FR2636466B1 (fr) Procede de fabrication d'une pastille absorbeuse de neutrons, pastille obtenue et utilisation
FR2533352B1 (fr) Procede et dispositif d'assemblage de plaquettes de grilles
FR2503380B1 (fr) Procede de fabrication d'un assemblage de detecteur de radiations nucleaires, auto-alimente et assemblage obtenu
JPS56150392A (en) Pebble bed type reactor having neutron absorber charging device , and its operation method
FR2532356B1 (fr) Procede de verrouillage de tiroirs et dispositif de blocage
FR2513778B1 (fr) Dispositif et procede d'informatique
FR2537031B1 (fr) Procede et dispositif de changement d'outils automatique
JPS57170857A (en) Neutron absorbing matter and manufacture

Legal Events

Date Code Title Description
CL Concession to grant licences
ST Notification of lapse