JP2016114438A - 燃料集合体 - Google Patents
燃料集合体 Download PDFInfo
- Publication number
- JP2016114438A JP2016114438A JP2014252591A JP2014252591A JP2016114438A JP 2016114438 A JP2016114438 A JP 2016114438A JP 2014252591 A JP2014252591 A JP 2014252591A JP 2014252591 A JP2014252591 A JP 2014252591A JP 2016114438 A JP2016114438 A JP 2016114438A
- Authority
- JP
- Japan
- Prior art keywords
- fuel assembly
- fuel
- tie plate
- plate
- lower tie
- 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.)
- Granted
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
-
- 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
-
- 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
- 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
- G21C3/331—Comprising hold-down means, e.g. springs
-
- 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
- G21C7/00—Control of nuclear reaction
- G21C7/06—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section
- G21C7/08—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section by displacement of solid control elements, e.g. control rods
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C7/00—Control of nuclear reaction
- G21C7/06—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section
- G21C7/08—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section by displacement of solid control elements, e.g. control rods
- G21C7/10—Construction of control elements
- G21C7/113—Control elements made of flat elements; Control elements having cruciform cross-section
-
- 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)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
Description
Claims (6)
- 燃料棒、上部タイプレート、下部タイプレート及びスペーサで構成された燃料集合体、前記燃料集合体の一部である前記下部タイプレートの下部を挿入し前記燃料集合体の下部を支持する燃料支持金具、前記燃料支持金具を固定する炉心支持板、原子炉圧力容器内に前記燃料集合体を複数配置し、一部の前記燃料集合体間の隙間に配置するY字型制御棒、前記Y字型制御棒の翼の先端部に配置する核計装配管で構成された燃料集合体において、前記燃料支持金具の上部の受け口に挿入する前記下部タイプレートの下部を延長し、延長した部分の周囲に安定部材を設けることを特徴とする燃料集合体。
- 請求項1に記載の燃料集合体において、前記下部タイプレートの下部を延長した部分の外周部の全周に前記安定部材を設けることを特徴とする燃料集合体。
- 請求項1及び請求項2に記載の燃料集合体において、前記下部タイプレートの下部を延長した部分に設ける前記安定部材の下端面の広さは、前記下部タイプレートの下部の延長部の下端面に近い位置で最も広くなっていることを特徴とする燃料集合体。
- 請求項1から請求項3に記載の燃料集合体において、前記安定部材の下端面は前記炉心支持板の上面に接していることを特徴とする燃料集合体。
- 請求項1から請求項4に記載の燃料集合体において、前記下部タイプレートの下部を延長した部分に設ける前記安定部材は、前記原子炉圧力容器内の水平面で前記核計装配管の配置場所と干渉しないことを特徴とする燃料集合体。
- 燃料棒、上部タイプレート、下部タイプレート及びスペーサで構成された燃料集合体、前記燃料集合体の一部である前記下部タイプレートの下部を挿入し前記燃料集合体の下部を支持する燃料支持金具、前記燃料支持金具を固定する炉心支持板、原子炉圧力容器内に前記燃料集合体を複数配置し、一部の前記燃料集合体間の隙間に配置するY字型制御棒、前記Y字型制御棒の翼の先端部に配置する核計装配管で構成された燃料集合体において、前記燃料支持金具の上部の受け口に挿入する前記下部タイプレートの下部を延長すると共に、前記下部タイプレートの下部を挿入する前記燃料支持金具の上部を延長することを特徴とする燃料集合体。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014252591A JP6560861B2 (ja) | 2014-12-15 | 2014-12-15 | 燃料集合体 |
PCT/JP2015/084088 WO2016098610A1 (ja) | 2014-12-15 | 2015-12-04 | 燃料集合体 |
US15/536,581 US10535435B2 (en) | 2014-12-15 | 2015-12-04 | Fuel assembly |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014252591A JP6560861B2 (ja) | 2014-12-15 | 2014-12-15 | 燃料集合体 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016114438A true JP2016114438A (ja) | 2016-06-23 |
JP6560861B2 JP6560861B2 (ja) | 2019-08-14 |
Family
ID=56126503
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014252591A Expired - Fee Related JP6560861B2 (ja) | 2014-12-15 | 2014-12-15 | 燃料集合体 |
Country Status (3)
Country | Link |
---|---|
US (1) | US10535435B2 (ja) |
JP (1) | JP6560861B2 (ja) |
WO (1) | WO2016098610A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018021044A1 (ja) * | 2016-07-28 | 2018-02-01 | 日立Geニュークリア・エナジー株式会社 | 沸騰水型原子炉の炉心 |
CN110600144A (zh) * | 2019-10-10 | 2019-12-20 | 中国科学院近代物理研究所 | 一种铅基反应堆燃料组件的下管座浮力锁紧机构 |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63212891A (ja) * | 1987-02-28 | 1988-09-05 | 株式会社日立製作所 | 沸騰水型原子炉制御棒案内管支持機構 |
JPH06308269A (ja) * | 1993-04-27 | 1994-11-04 | Toshiba Corp | 高速増殖炉の炉心支持構造 |
JPH08220276A (ja) * | 1995-02-15 | 1996-08-30 | Hitachi Ltd | 原子炉の炉心上部構造 |
JPH09281260A (ja) * | 1996-04-16 | 1997-10-31 | Hitachi Ltd | 燃料集合体及び炉心 |
JP2000147179A (ja) * | 1998-11-11 | 2000-05-26 | Mitsubishi Heavy Ind Ltd | 原子炉容器の炉内構造物 |
JP2005221326A (ja) * | 2004-02-04 | 2005-08-18 | Hitachi Ltd | 沸騰水型原子炉の炉心及び燃料集合体 |
WO2006068144A1 (ja) * | 2004-12-21 | 2006-06-29 | The Tokyo Electric Power Company, Incorporated | チャンネルファスナ |
JP2009145093A (ja) * | 2007-12-12 | 2009-07-02 | Toshihisa Shirakawa | Bwrの耐震核燃料集合体 |
JP2013033065A (ja) * | 2012-11-05 | 2013-02-14 | Hitachi Ltd | 軽水炉の炉心及び軽水炉用燃料集合体 |
JP2013145246A (ja) * | 2013-04-08 | 2013-07-25 | Hitachi-Ge Nuclear Energy Ltd | 軽水炉の炉心及び燃料集合体 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5225150A (en) * | 1992-06-23 | 1993-07-06 | Westinghouse Electric Corp. | Integrated head package for top mounted nuclear instrumentation |
US5479464A (en) * | 1994-08-30 | 1995-12-26 | Westinghouse Electric Corporation | Expandable top nozzle and device for securing same to a nuclear fuel assembly |
US5490191A (en) * | 1994-09-29 | 1996-02-06 | Siemens Power Corporation | BWR nuclear fuel assembly |
US8396182B2 (en) * | 2007-08-31 | 2013-03-12 | Global Nuclear Fuel—Americas, LLC | Method and apparatus to shield a nuclear fuel assembly with removable debris shield in upper tie |
-
2014
- 2014-12-15 JP JP2014252591A patent/JP6560861B2/ja not_active Expired - Fee Related
-
2015
- 2015-12-04 US US15/536,581 patent/US10535435B2/en not_active Expired - Fee Related
- 2015-12-04 WO PCT/JP2015/084088 patent/WO2016098610A1/ja active Application Filing
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63212891A (ja) * | 1987-02-28 | 1988-09-05 | 株式会社日立製作所 | 沸騰水型原子炉制御棒案内管支持機構 |
JPH06308269A (ja) * | 1993-04-27 | 1994-11-04 | Toshiba Corp | 高速増殖炉の炉心支持構造 |
JPH08220276A (ja) * | 1995-02-15 | 1996-08-30 | Hitachi Ltd | 原子炉の炉心上部構造 |
JPH09281260A (ja) * | 1996-04-16 | 1997-10-31 | Hitachi Ltd | 燃料集合体及び炉心 |
JP2000147179A (ja) * | 1998-11-11 | 2000-05-26 | Mitsubishi Heavy Ind Ltd | 原子炉容器の炉内構造物 |
JP2005221326A (ja) * | 2004-02-04 | 2005-08-18 | Hitachi Ltd | 沸騰水型原子炉の炉心及び燃料集合体 |
WO2006068144A1 (ja) * | 2004-12-21 | 2006-06-29 | The Tokyo Electric Power Company, Incorporated | チャンネルファスナ |
JP2009145093A (ja) * | 2007-12-12 | 2009-07-02 | Toshihisa Shirakawa | Bwrの耐震核燃料集合体 |
JP2013033065A (ja) * | 2012-11-05 | 2013-02-14 | Hitachi Ltd | 軽水炉の炉心及び軽水炉用燃料集合体 |
JP2013145246A (ja) * | 2013-04-08 | 2013-07-25 | Hitachi-Ge Nuclear Energy Ltd | 軽水炉の炉心及び燃料集合体 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018021044A1 (ja) * | 2016-07-28 | 2018-02-01 | 日立Geニュークリア・エナジー株式会社 | 沸騰水型原子炉の炉心 |
CN110600144A (zh) * | 2019-10-10 | 2019-12-20 | 中国科学院近代物理研究所 | 一种铅基反应堆燃料组件的下管座浮力锁紧机构 |
Also Published As
Publication number | Publication date |
---|---|
US20170337993A1 (en) | 2017-11-23 |
US10535435B2 (en) | 2020-01-14 |
WO2016098610A1 (ja) | 2016-06-23 |
JP6560861B2 (ja) | 2019-08-14 |
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