ES8708082A1 - Un metodo de formacion de pastillas de combustible nuclear - Google Patents

Un metodo de formacion de pastillas de combustible nuclear

Info

Publication number
ES8708082A1
ES8708082A1 ES549544A ES549544A ES8708082A1 ES 8708082 A1 ES8708082 A1 ES 8708082A1 ES 549544 A ES549544 A ES 549544A ES 549544 A ES549544 A ES 549544A ES 8708082 A1 ES8708082 A1 ES 8708082A1
Authority
ES
Spain
Prior art keywords
boron
coating
composition
fuel pellets
neutron absorber
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
ES549544A
Other languages
English (en)
Other versions
ES549544A0 (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.)
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 ES8708082A1 publication Critical patent/ES8708082A1/es
Publication of ES549544A0 publication Critical patent/ES549544A0/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
    • G21C3/02—Fuel elements
    • G21C3/04—Constructional details
    • G21C3/16—Details of the construction within the casing
    • G21C3/18—Internal spacers or other non-active material within the casing, e.g. compensating for expansion of fuel rods or for compensating excess reactivity
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
    • C03C8/02—Frit compositions, i.e. in a powdered or comminuted form
    • 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
    • G21C3/626—Coated fuel particles
    • 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)
  • Chemical & Material Sciences (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Ceramic Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)

Abstract

METODO DE FORMACION Y COMPOSICION DE UN RECUBRIMIENTO PARA PASTILLAS DE COMBUSTIBLE NUCLEAR. CONSISTE EN FORMULAR UN VIDRIO MEZCLANDO POLVOS, EN CANTIDADES VARIABLES, DENTRO DE UN RANGO DE: SIO2, B2O3, NA2CO3, BACO3, CACO3, AL2O3; PRODUCIR UN POLVO DE ESTE VIDRIO, MEDIANTE FUSION DE ESTOS COMPONENTES, POSTERIOR SOLIDIFICACION DE LA MASA Y MOLIENDA HASTA MALLA C325; EFECTUAR UNA SUSPENSION DE ESTE VIDRIO JUNTO CON UN ABSORBENTE DE NEUTRONES BORADO, QUE ES CONSUMIBLE, PREFERENTEMENTE CARBURO DE BORO, AYUDANDOSE, POR EJEMPLO, DE UN AGLOMERANTE ACRILOIDE Y TODO ELLO DISPERSO EN TOLUENO; PULVERIZAR SOBRE PASTILLAS DE DIOXIDO DE URANIO Y CALCINAR AL HORNO ENTRE 900 A 1.100JC EN ATMOSFERA DE HIDROGENO O ARGON. EL RECUBRIMIENTO RESULTANTE TIENE UN ESPESOR INFERIOR O IGUAL A 0,0254 MM Y UNA CANTIDAD DE 10B EQUIVALENTE A 1-2 MG POR PULGADA.
ES549544A 1984-12-05 1985-12-03 Un metodo de formacion de pastillas de combustible nuclear Expired ES8708082A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/678,604 US4683114A (en) 1984-12-05 1984-12-05 Burnable absorber-containing nuclear fuel pellets and formation of the same

Publications (2)

Publication Number Publication Date
ES8708082A1 true ES8708082A1 (es) 1987-09-01
ES549544A0 ES549544A0 (es) 1987-09-01

Family

ID=24723492

Family Applications (1)

Application Number Title Priority Date Filing Date
ES549544A Expired ES8708082A1 (es) 1984-12-05 1985-12-03 Un metodo de formacion de pastillas de combustible nuclear

Country Status (6)

Country Link
US (1) US4683114A (es)
EP (1) EP0187472B1 (es)
JP (1) JPS61191991A (es)
CN (1) CN1004388B (es)
DE (1) DE3584154D1 (es)
ES (1) ES8708082A1 (es)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4990303A (en) * 1988-06-24 1991-02-05 Combustion Engineering, Inc. Element with burnable poison coating
US5250231A (en) * 1991-09-18 1993-10-05 Combustion Engineering, Inc. Nuclear fuel with isotopically depleted burnable absorber
US5243633A (en) * 1991-09-20 1993-09-07 Combustion Engineering, Inc. Borate glass containing boron carbide burnable poison coating
FR2683373B1 (fr) * 1991-10-31 1994-03-04 Pechiney Uranium Elements combustibles nucleaires comportant un piege a produits de fission a base d'oxyde.
US5242631A (en) * 1992-01-13 1993-09-07 Westinghouse Electric Corp. Method for coating nuclear fuel pellets
US5319690A (en) * 1992-06-30 1994-06-07 Combustion Engineering Inc. Internal fuel rod coating comprising metal silicates
US5280504A (en) * 1992-06-30 1994-01-18 Combustion Engineering, Inc. Zirconium alloy tube with a boron-containing layer
KR960704324A (ko) * 1993-08-09 1996-08-31 디터 크리스트, 게르하르트 퀼 우라늄 함유 핵연료로된 소결체(sintered compact made of uranium-containing nuclear fuel
US5828715A (en) * 1995-08-22 1998-10-27 Hitachi, Ltd. Fuel rods, its manufacturing method and fuel assembly
US7139360B2 (en) * 2004-10-14 2006-11-21 Westinghouse Electric Co. Llc Use of boron or enriched boron 10 in UO2
US8445858B2 (en) * 2008-11-19 2013-05-21 Nova Scientific, Inc. Neutron detection and collimation
US9299464B2 (en) * 2010-12-02 2016-03-29 Ut-Battelle, Llc Fully ceramic nuclear fuel and related methods
RU2472709C1 (ru) * 2011-08-11 2013-01-20 Открытое акционерное общество "Сибирский химический комбинат" Способ приготовления порошка диоксида урана
US20160155521A1 (en) * 2013-07-19 2016-06-02 Hitachi, Ltd. Neutron-absorbing glass and neutron-absorbing material using the same, and management method of corium, unloading method of corium, and shutdown method of nuclear reactor to which the same is applied
RU2723561C2 (ru) 2015-07-25 2020-06-16 Ультра Сейф Ньюклеар Корпорейшн Способ производства полностью керамического микроинкапсулированного ядерного топлива
RU2619569C1 (ru) * 2016-01-11 2017-05-16 Автономная некоммерческая организация высшего образования "Белгородский университет кооперации, экономики и права" Способ глазурования керамической облицовочной плитки
US10573416B2 (en) 2016-03-29 2020-02-25 Ultra Safe Nuclear Corporation Nuclear fuel particle having a pressure vessel comprising layers of pyrolytic graphite and silicon carbide
CA3017939A1 (en) 2016-03-29 2017-10-05 Ultra Safe Nuclear Corporation Fully ceramic microencapsulated fuel fabricated with burnable poison as sintering aid
EP3437108B1 (en) 2016-03-29 2024-04-17 Ultra Safe Nuclear Corporation Process for rapid processing of pebble fuels
US20210104336A1 (en) * 2017-03-28 2021-04-08 A. Robert Abboud and Company Changing Density Particles Having a Neutron Absorbent and a Thermal Conductor
CN107301883A (zh) * 2017-07-28 2017-10-27 中国原子能科学研究院 一种钠冷快堆燃料中去除氢和氚的装置
CN109896744A (zh) * 2017-12-08 2019-06-18 辽宁法库陶瓷工程技术研究中心 一种超长、高精密含硼玻璃管及在核动力反应堆中的应用
CN108182979A (zh) * 2017-12-14 2018-06-19 广东核电合营有限公司 掺杂碳化硼的燃料芯块及其制造方法
CN110164573B (zh) * 2018-02-13 2023-12-12 韩国原子力研究院 导热率提高的核燃料粒料及其制备方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3427222A (en) * 1965-10-15 1969-02-11 Westinghouse Electric Corp Nuclear fuel elements
US3826754A (en) * 1971-06-16 1974-07-30 Gen Electric Chemical immobilization of fission products reactive with nuclear reactor components
US4213883A (en) * 1977-12-30 1980-07-22 The Carborundum Company Method for manufacture of neutron absorbing articles
US4474728A (en) * 1981-12-28 1984-10-02 Westinghouse Electric Corp. Neutron absorber pellets with modified microstructure

Also Published As

Publication number Publication date
JPS61191991A (ja) 1986-08-26
EP0187472A3 (en) 1988-11-30
EP0187472B1 (en) 1991-09-18
EP0187472A2 (en) 1986-07-16
ES549544A0 (es) 1987-09-01
CN85108816A (zh) 1986-09-10
CN1004388B (zh) 1989-05-31
DE3584154D1 (de) 1991-10-24
US4683114A (en) 1987-07-28

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20000403