ES8708082A1 - Un metodo de formacion de pastillas de combustible nuclear - Google Patents
Un metodo de formacion de pastillas de combustible nuclearInfo
- 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
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)
- High Energy & Nuclear Physics (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (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.
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 |
---|---|
ES549544A0 ES549544A0 (es) | 1987-09-01 |
ES8708082A1 true ES8708082A1 (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)
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 |
US5280504A (en) * | 1992-06-30 | 1994-01-18 | Combustion Engineering, Inc. | Zirconium alloy tube with a boron-containing layer |
US5319690A (en) * | 1992-06-30 | 1994-06-07 | Combustion Engineering Inc. | Internal fuel rod coating comprising metal silicates |
WO1995004994A1 (de) * | 1993-08-09 | 1995-02-16 | Siemens Aktiengesellschaft | Uranhaltiger kernbrennstoff-sinterkörper |
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 |
WO2015008370A1 (ja) * | 2013-07-19 | 2015-01-22 | 株式会社日立製作所 | 中性子吸収ガラス及びそれを用いた中性子吸収材料、並びにこれらを適用した溶融燃料の管理方法、溶融燃料の取り出し方法及び原子炉の停止方法 |
EP3326173B1 (en) | 2015-07-25 | 2020-04-22 | Ultra Safe Nuclear Corporation | Method for fabrication of fully ceramic microencapsulated nuclear fuel |
RU2619569C1 (ru) * | 2016-01-11 | 2017-05-16 | Автономная некоммерческая организация высшего образования "Белгородский университет кооперации, экономики и права" | Способ глазурования керамической облицовочной плитки |
ES2835778T3 (es) | 2016-03-29 | 2021-06-23 | Ultra Safe Nuclear Corp | Combustible microencapsulado totalmente cerámico fabricado con veneno susceptible de quemarse como ayuda a la sinterización |
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 |
WO2017172177A1 (en) | 2016-03-29 | 2017-10-05 | Ultra Safe Nuclear Corporation | PROCESS FOR RAPID PROCESSING OF SiC AND GRAPHITIC MATRIX TRISO-BEARING 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)
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 |
-
1984
- 1984-12-05 US US06/678,604 patent/US4683114A/en not_active Expired - Fee Related
-
1985
- 1985-12-03 EP EP85308776A patent/EP0187472B1/en not_active Expired - Lifetime
- 1985-12-03 DE DE8585308776T patent/DE3584154D1/de not_active Expired - Fee Related
- 1985-12-03 ES ES549544A patent/ES8708082A1/es not_active Expired
- 1985-12-04 CN CN85108816.3A patent/CN1004388B/zh not_active Expired
- 1985-12-05 JP JP60272651A patent/JPS61191991A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE3584154D1 (de) | 1991-10-24 |
CN1004388B (zh) | 1989-05-31 |
ES549544A0 (es) | 1987-09-01 |
EP0187472A2 (en) | 1986-07-16 |
EP0187472A3 (en) | 1988-11-30 |
JPS61191991A (ja) | 1986-08-26 |
CN85108816A (zh) | 1986-09-10 |
US4683114A (en) | 1987-07-28 |
EP0187472B1 (en) | 1991-09-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 20000403 |