JP4532127B2 - 加圧水型原子炉用燃料集合体上部ノズル - Google Patents
加圧水型原子炉用燃料集合体上部ノズル Download PDFInfo
- Publication number
- JP4532127B2 JP4532127B2 JP2004023160A JP2004023160A JP4532127B2 JP 4532127 B2 JP4532127 B2 JP 4532127B2 JP 2004023160 A JP2004023160 A JP 2004023160A JP 2004023160 A JP2004023160 A JP 2004023160A JP 4532127 B2 JP4532127 B2 JP 4532127B2
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- JP
- Japan
- Prior art keywords
- top plate
- fuel assembly
- upper nozzle
- coolant
- flow
- 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 - Fee Related
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- 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
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- Monitoring And Testing Of Nuclear Reactors (AREA)
Description
12 支持格子
14 燃料棒
16 制御棒案内シンブル
17 制御棒
18 リーフスプリング
18a スプリング脚
20 上部ノズル
22 下部ノズル
31 ノズルプレート
31WH 流水孔
31SH シンプル貫通孔
32 トッププレート
34 上部ノズル本体
36 ロック部
38 スプリング固定用ボルト孔
40 スリット
42 冷却材流れ制御手段
42A 垂直流水孔
42B 流水スリット
C 冷却材
Claims (1)
- 上部ノズル本体の上縁内周面にトッププレートを有するものであるとともに、そのトッププレートが垂直な上部ノズル本体外壁に対して水平に折れ曲がっており、かつ、そのトッププレートには、リーフスプリングの脚部が入り込むスリットが設けられている加圧水型原子炉用燃料集合体上部ノズルにおいて、前記トッププレートによって発生して制御棒に向かう冷却材の水平方向の流れを低減するように冷却材の流れを制御する冷却材流れ制御手段を備えているものであり、かつ、当該冷却材流れ制御手段が、前記トッププレートに垂直方向に貫通して設けられた複数の流水孔又は流水スリットからなり、さらにその流水孔又は流水スリットがトッププレート貫通状態のままで開放されていることを特徴とする加圧水型原子炉用燃料集合体上部ノズル。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004023160A JP4532127B2 (ja) | 2004-01-30 | 2004-01-30 | 加圧水型原子炉用燃料集合体上部ノズル |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004023160A JP4532127B2 (ja) | 2004-01-30 | 2004-01-30 | 加圧水型原子炉用燃料集合体上部ノズル |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009236343A Division JP2010044086A (ja) | 2009-10-13 | 2009-10-13 | 加圧水型原子炉用燃料集合体上部ノズル |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005214838A JP2005214838A (ja) | 2005-08-11 |
JP4532127B2 true JP4532127B2 (ja) | 2010-08-25 |
Family
ID=34906278
Family Applications (1)
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JP2004023160A Expired - Fee Related JP4532127B2 (ja) | 2004-01-30 | 2004-01-30 | 加圧水型原子炉用燃料集合体上部ノズル |
Country Status (1)
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JP (1) | JP4532127B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103413575A (zh) * | 2013-04-24 | 2013-11-27 | 中国核动力研究设计院 | 反应堆燃料组件上管座 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007218802A (ja) | 2006-02-17 | 2007-08-30 | Mitsubishi Heavy Ind Ltd | Pwr原子炉用燃料集合体 |
CN102592687A (zh) * | 2011-01-14 | 2012-07-18 | 中科华核电技术研究院有限公司 | 低压降燃料组件上管座 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58123494A (ja) * | 1982-01-18 | 1983-07-22 | コミツサレ・ア・レナジイ・アトミツク | 原子炉の燃料組立体用末端フイツテイング |
US4618472A (en) * | 1983-10-25 | 1986-10-21 | Westinghouse Electric Corp. | Nuclear reactor fuel assembly with fuel rod removal means |
JPS62189697U (ja) * | 1986-05-23 | 1987-12-02 | ||
JPS63293492A (ja) * | 1987-05-13 | 1988-11-30 | ウエスチングハウス・エレクトリック・コーポレーション | 原子炉燃料集合体 |
JPH0290096A (ja) * | 1988-09-28 | 1990-03-29 | Hitachi Ltd | 軽水炉燃料集合体 |
JPH036492A (ja) * | 1989-05-17 | 1991-01-11 | Westinghouse Electric Corp <We> | 核燃料集合体の上部ノズルサブアセンブリ |
JPH03255390A (ja) * | 1990-03-05 | 1991-11-14 | Nuclear Fuel Ind Ltd | 核燃料集合体用の上部ノズル |
JPH08271663A (ja) * | 1995-03-28 | 1996-10-18 | Nuclear Fuel Ind Ltd | 沸騰水型原子炉用燃料集合体の低圧損型上部タイプレート |
-
2004
- 2004-01-30 JP JP2004023160A patent/JP4532127B2/ja not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58123494A (ja) * | 1982-01-18 | 1983-07-22 | コミツサレ・ア・レナジイ・アトミツク | 原子炉の燃料組立体用末端フイツテイング |
US4618472A (en) * | 1983-10-25 | 1986-10-21 | Westinghouse Electric Corp. | Nuclear reactor fuel assembly with fuel rod removal means |
JPS62189697U (ja) * | 1986-05-23 | 1987-12-02 | ||
JPS63293492A (ja) * | 1987-05-13 | 1988-11-30 | ウエスチングハウス・エレクトリック・コーポレーション | 原子炉燃料集合体 |
JPH0290096A (ja) * | 1988-09-28 | 1990-03-29 | Hitachi Ltd | 軽水炉燃料集合体 |
JPH036492A (ja) * | 1989-05-17 | 1991-01-11 | Westinghouse Electric Corp <We> | 核燃料集合体の上部ノズルサブアセンブリ |
JPH03255390A (ja) * | 1990-03-05 | 1991-11-14 | Nuclear Fuel Ind Ltd | 核燃料集合体用の上部ノズル |
JPH08271663A (ja) * | 1995-03-28 | 1996-10-18 | Nuclear Fuel Ind Ltd | 沸騰水型原子炉用燃料集合体の低圧損型上部タイプレート |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103413575A (zh) * | 2013-04-24 | 2013-11-27 | 中国核动力研究设计院 | 反应堆燃料组件上管座 |
Also Published As
Publication number | Publication date |
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JP2005214838A (ja) | 2005-08-11 |
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