ES8801965A1 - Mejoras en reactores nucleares - Google Patents
Mejoras en reactores nuclearesInfo
- Publication number
- ES8801965A1 ES8801965A1 ES548185A ES548185A ES8801965A1 ES 8801965 A1 ES8801965 A1 ES 8801965A1 ES 548185 A ES548185 A ES 548185A ES 548185 A ES548185 A ES 548185A ES 8801965 A1 ES8801965 A1 ES 8801965A1
- Authority
- ES
- Spain
- Prior art keywords
- nuclear reactor
- irradiation
- shields
- pressure vessel
- welding
- 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
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F5/00—Transportable or portable shielded containers
-
- 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
- G21C3/328—Relative disposition of the elements in the bundle lattice
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C11/00—Shielding structurally associated with the reactor
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C11/00—Shielding structurally associated with the reactor
- G21C11/06—Reflecting shields, i.e. for minimising loss of neutrons
-
- 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)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Plasma & Fusion (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
REACTOR NUCLEAR. CONSTA DE UN RECIPIENTE DE PRESION (11) CON AL MENOS UNA SOLDADURA (21) FORMADA EN UNA PORCION DE SU PARED Y ESTANDO ASOCIADA A DICHA SOLDADURA UNA PROTECCION CONTRA LA IRRADIACION CON MEDIOS DE REDUCCION DE LA CORRIENTE DE NEUTRONES CONSISTENTES EN VARILLAS CON MATERIAL ABSORBENTE Y REFLECTOR DE NEUTRONES COLOCADOS DENTRO DE UNA ZONA DEL NUCLEO LA CUAL ESTA SITUADA ENFRENTE DE LA PARED DEL RECIPIENTE QUE TIENE LA SOLDADURA Y COMPRENDE AL MENOS UNA PORCION DE UN CONJUNTO DE COMBUSTIBLE SITUADO EN LA PERIFERIA DEL NUCLEO (12).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/666,697 US4759896A (en) | 1984-10-31 | 1984-10-31 | Method and apparatus for improving flux reduction factors |
Publications (2)
Publication Number | Publication Date |
---|---|
ES548185A0 ES548185A0 (es) | 1987-08-01 |
ES8801965A1 true ES8801965A1 (es) | 1987-08-01 |
Family
ID=24675059
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES548185A Expired ES8801965A1 (es) | 1984-10-31 | 1985-10-24 | Mejoras en reactores nucleares |
Country Status (7)
Country | Link |
---|---|
US (1) | US4759896A (es) |
EP (1) | EP0180187B1 (es) |
JP (1) | JPS61117483A (es) |
KR (1) | KR860003620A (es) |
CN (1) | CN85109566A (es) |
DE (1) | DE3581693D1 (es) |
ES (1) | ES8801965A1 (es) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5436945A (en) * | 1993-12-03 | 1995-07-25 | Combustion Engineering, Inc. | Shadow shielding |
JP4825763B2 (ja) * | 2007-09-21 | 2011-11-30 | 株式会社東芝 | 反射体制御方式の高速炉 |
US9281083B2 (en) * | 2009-04-06 | 2016-03-08 | Terrapower, Llc | Traveling wave nuclear fission reactor, fuel assembly, and method of controlling burnup therein |
US9959944B2 (en) | 2012-04-12 | 2018-05-01 | Bwxt Mpower, Inc. | Self-supporting radial neutron reflector |
CN103871492B (zh) * | 2012-12-13 | 2016-08-31 | 中国核动力研究设计院 | 一种用于177压水堆核电站反应堆的堆芯屏蔽结构 |
GB201318470D0 (en) | 2013-02-25 | 2013-12-04 | Scott Ian R | A practical molten salt fission reactor |
CN104183278A (zh) * | 2013-05-28 | 2014-12-03 | 中国核动力研究设计院 | 一种铍水慢化高通量工程试验堆堆芯 |
US9431135B2 (en) * | 2013-12-17 | 2016-08-30 | Global Nuclear Fuel—Americas, LLC | Nuclear reactor fluence reduction systems and methods |
US20160099083A1 (en) * | 2014-10-01 | 2016-04-07 | Ge-Hitachi Nuclear Energy Americas Llc | Fast flux shield and method of reducing fast neutron fluence at a core shroud of a boiling water reactor using the same |
CN107767969A (zh) * | 2017-09-04 | 2018-03-06 | 中广核研究院有限公司 | 压力容器的堆芯结构及堆芯装载方法 |
CN107767968A (zh) * | 2017-09-04 | 2018-03-06 | 中广核研究院有限公司 | 反应堆及减少核反应堆中子泄漏的屏蔽燃料组件 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3212978A (en) * | 1961-04-18 | 1965-10-19 | Westinghouse Electric Corp | Nuclear reactor core support structure |
US3271260A (en) * | 1964-05-20 | 1966-09-06 | Lawrence C Noderer | Liquid metal fast breeder reactor |
US3929565A (en) * | 1971-02-03 | 1975-12-30 | Asea Atom Ab | Nuclear reactor with groups of elongated absorber units carried by control rods |
US3868302A (en) * | 1971-05-12 | 1975-02-25 | Westinghouse Electric Corp | Thermal shield of a nuclear reactor |
US4057463A (en) * | 1974-08-29 | 1977-11-08 | Westinghouse Electric Corporation | Method of operating a nuclear reactor which maintains a substantially constant axial power distribution profile with changes in load |
US4169760A (en) * | 1975-08-14 | 1979-10-02 | Combustion Engineering Inc. | Nuclear reactor with scrammable part length rod |
US4111747A (en) * | 1976-06-08 | 1978-09-05 | The United States Of America As Represented By The United States Department Of Energy | Packed rod neutron shield for fast nuclear reactors |
DE2629737A1 (de) * | 1976-07-02 | 1978-01-05 | Babcock Brown Boveri Reaktor | Einrichtung zur reduzierung des neutronenflusses |
US4222822A (en) * | 1977-01-19 | 1980-09-16 | Westinghouse Electric Corp. | Method for operating a nuclear reactor to accommodate load follow while maintaining a substantially constant axial power distribution |
US4285769A (en) * | 1978-10-19 | 1981-08-25 | General Electric Company | Control cell nuclear reactor core |
US4432934A (en) * | 1980-12-16 | 1984-02-21 | Westinghouse Electric Corp. | Displacer rod for use in a mechanical spectral shift reactor |
US4495136A (en) * | 1982-05-11 | 1985-01-22 | Westinghouse Electric Corp. | Maximum power capability blanket for nuclear reactors |
DE3301965C2 (de) * | 1983-01-21 | 1986-12-04 | Kraftwerk Union AG, 4330 Mülheim | Abschirmelement für einen aus Kernbrennstoffelementen und den Abschirmelementen aufgebauten Reaktorkern |
DE3339294A1 (de) * | 1983-10-28 | 1985-05-09 | Kraftwerk Union AG, 4330 Mülheim | Kernreaktor |
-
1984
- 1984-10-31 US US06/666,697 patent/US4759896A/en not_active Expired - Fee Related
-
1985
- 1985-10-24 ES ES548185A patent/ES8801965A1/es not_active Expired
- 1985-10-29 DE DE8585113717T patent/DE3581693D1/de not_active Expired - Fee Related
- 1985-10-29 EP EP85113717A patent/EP0180187B1/en not_active Expired - Lifetime
- 1985-10-30 CN CN198585109566A patent/CN85109566A/zh active Pending
- 1985-10-30 JP JP60241783A patent/JPS61117483A/ja active Granted
- 1985-10-31 KR KR1019850008100A patent/KR860003620A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
ES548185A0 (es) | 1987-08-01 |
CN85109566A (zh) | 1986-07-23 |
US4759896A (en) | 1988-07-26 |
DE3581693D1 (de) | 1991-03-14 |
JPS61117483A (ja) | 1986-06-04 |
EP0180187B1 (en) | 1991-02-06 |
EP0180187A3 (en) | 1987-04-01 |
JPH0438317B2 (es) | 1992-06-24 |
EP0180187A2 (en) | 1986-05-07 |
KR860003620A (ko) | 1986-05-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19970505 |