JP2000504108A - 改良されたトップノズルを有する核燃料集合体 - Google Patents
改良されたトップノズルを有する核燃料集合体Info
- Publication number
- JP2000504108A JP2000504108A JP9527378A JP52737897A JP2000504108A JP 2000504108 A JP2000504108 A JP 2000504108A JP 9527378 A JP9527378 A JP 9527378A JP 52737897 A JP52737897 A JP 52737897A JP 2000504108 A JP2000504108 A JP 2000504108A
- Authority
- JP
- Japan
- Prior art keywords
- fuel assembly
- adapter plate
- opening
- top nozzle
- tube
- 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
- G21C3/02—Fuel elements
- G21C3/04—Constructional details
- G21C3/06—Casings; Jackets
- G21C3/14—Means forming part of the element for inserting it into, or removing it from, the core; Means for coupling adjacent elements, e.g. to form a stringer
-
- 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
- G21C3/322—Means to influence the coolant flow through or around the bundles
-
- 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)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.燃料棒(2)の束を含み、燃料棒(2)は、前記束の長さにわたって分配さ れ且つ燃料棒(2)が貫通するセルを構成するスペーサー格子アダプター(3、 3a、3b)、前記束の燃料棒(2)のいくつかの代わりに用いられ且つ燃料棒 (2)よりも長いガイドチューブ(4)、ガイドチューブ(4)の一端に固定さ れたボトムノズル(5)、及びガイドチューブ(4)の他端に固定され、且つガ イドチューブ(4)を固定するための開口(8)及び水が通過する開口(9)に よって貫通された横アダプタープレート(6a)を含むトップノズル(6)から なる核燃料集合体において、アダプタープレート(6a)の中央部分に配列され たトップノズル(6)のアダプタープレート(6a)の水路開口(9a)は、丸 みのあるコーナーをもった三角形状を有し、前記ガイドチューブを固定するため の開口(8)の少なくともいくつかの周りに規則正しく分配されることを特徴と する、燃料集合体。 2.アダプタープレート(6a)の周囲部分に配列された水路開口(9b、9c )は長円形状を有し、且つ2つの異なる長さのものである、請求の範囲第1項に 記載の燃料集合体。 3.水路開口(9)は、正方形トップノズル(6)のアダプタープレート(6a )のコーナーに近接して配列された円形開口(9d、9e)を更に含む、請求の 範囲第1項又は第2項に記載の燃料集合体。 4.24ヶのガイドチューブ(4)及び1つの中央計装チューブを含み、ガイド チューブ(4)を固定する開口(8)がトップノズル(6)のアダプタープレー ト(6a)の横断面じゅうに分配された、請求の範囲第1項乃至第3項に記載さ れた燃料集合体において、丸みのあるコーナーをもった三角形水路開口(9a) は、アダプタープレート(6a)の中央部分に配置された8つのガイドチューブ を固定する開口(8)の周りに、且つ前記中央計装チューブの周りに規則正しく 分配されることを特徴とする、燃料集合体。 5.トップノズル(6)のアダプタープレート(6a)の中央部分に配置され且 つガイドチューブ(4)を固定する開口(8)の各々の周りに、且つ前記中央計 装チューブの周りに、丸みのあるコーナーをもった三角形水路開口(9a)が配 列され且つ規則正しく分配される、請求の範囲第4項に記載の燃料集合体。 6.トップノズル(6)のアダプタープレート(6a)の厚さは、既知の型式の 燃料集合体のトップノズルのアダプタープレート(6’a)の厚さと比較して減 少された、請求の範囲第1項乃至第5項に記載の燃料集合体。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9601307A FR2744556B1 (fr) | 1996-02-02 | 1996-02-02 | Assemblage de combustible nucleaire comportant un embout superieur ameliore |
FR96/01307 | 1996-02-02 | ||
PCT/FR1997/000212 WO1997028534A1 (fr) | 1996-02-02 | 1997-02-03 | Assemblage de combustible nucleaire comportant un embout superieur |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2000504108A true JP2000504108A (ja) | 2000-04-04 |
JP3859016B2 JP3859016B2 (ja) | 2006-12-20 |
Family
ID=9488793
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52737897A Expired - Fee Related JP3859016B2 (ja) | 1996-02-02 | 1997-02-03 | 改良されたトップノズルを有する核燃料集合体 |
Country Status (9)
Country | Link |
---|---|
US (1) | US6049581A (ja) |
EP (1) | EP0878009B1 (ja) |
JP (1) | JP3859016B2 (ja) |
KR (1) | KR100451271B1 (ja) |
CN (1) | CN1125470C (ja) |
DE (1) | DE69702700T2 (ja) |
ES (1) | ES2148932T3 (ja) |
FR (1) | FR2744556B1 (ja) |
WO (1) | WO1997028534A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003098285A (ja) * | 2001-09-26 | 2003-04-03 | Mitsubishi Heavy Ind Ltd | Pwr原子炉用燃料集合体 |
JP2006300937A (ja) * | 2005-04-08 | 2006-11-02 | Westinghouse Electric Co Llc | 原子燃料集合体の低圧力損失上部ノズル |
WO2007094509A1 (ja) * | 2006-02-17 | 2007-08-23 | Mitsubishi Heavy Industries, Ltd. | Pwr原子炉用燃料集合体 |
KR101366679B1 (ko) | 2012-06-15 | 2014-02-25 | 한전원자력연료 주식회사 | 압력강하를 개선하기 위한 핵연료집합체용 상단고정체 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6738447B1 (en) * | 2003-05-22 | 2004-05-18 | Westinghouse Electric Company Llc | High energy absorption top nozzle for a nuclear fuel assembly |
US20130044850A1 (en) | 2011-08-19 | 2013-02-21 | Lewis A. Walton | Nuclear reactor refueling methods and apparatuses |
CN102750991B (zh) * | 2012-07-19 | 2016-06-01 | 中国核动力研究设计院 | 一种带滤板的核燃料组件下管座及其滤板加工工艺 |
CN102867547B (zh) * | 2012-09-18 | 2016-06-08 | 中广核研究院有限公司 | 轻水反应堆核燃料组件的下管座及底部装置 |
US20140241486A1 (en) * | 2013-02-26 | 2014-08-28 | Babcock & Wilcox Mpower, Inc. | Fuel assembly |
CN103247353A (zh) * | 2013-04-24 | 2013-08-14 | 中国核动力研究设计院 | 反应堆燃料组件上管座 |
CN103247352A (zh) * | 2013-04-24 | 2013-08-14 | 中国核动力研究设计院 | 燃料组件上管座 |
KR101711365B1 (ko) | 2015-05-11 | 2017-03-03 | 주식회사 신화콘텍 | 마이크로 유에스비 커넥터 플러그 |
CN113223737B (zh) * | 2021-04-01 | 2024-06-18 | 上海核工程研究设计院股份有限公司 | 一种低压降压水堆燃料组件上管座 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3407115A (en) * | 1965-11-24 | 1968-10-22 | Babcock & Wilcox Co | Fuel element-control rod assembly |
US3382153A (en) * | 1966-01-17 | 1968-05-07 | Gen Electric | Nuclear reactor fuel bundle |
US3801453A (en) * | 1972-02-11 | 1974-04-02 | Transfer Systems | Fuel assembly for power generating nuclear reactor |
US3929570A (en) * | 1974-01-14 | 1975-12-30 | Transfer Systems | Failed fuel detection for PWR |
FR2368785A1 (fr) * | 1976-10-20 | 1978-05-19 | Framatome Sa | Assemblage combustible aisement demontable pour reacteur nucleaire |
FR2491668B1 (fr) * | 1980-10-08 | 1985-10-11 | Framatome Sa | Assemblage combustible de reacteur nucleaire |
US4427624A (en) * | 1981-03-02 | 1984-01-24 | Westinghouse Electric Corp. | Composite nozzle design for reactor fuel assembly |
US4615862A (en) * | 1983-12-21 | 1986-10-07 | Westinghouse Electric Corp. | Nuclear reactor with fuel assembly support means |
US4655995A (en) * | 1984-05-11 | 1987-04-07 | Westinghouse Electric Corp. | Reversible BWR fuel assembly and method of using same |
US4828791A (en) * | 1987-10-05 | 1989-05-09 | Westinghouse Electric Corp. | Nuclear fuel assembly debris resistant bottom nozzle |
US4832905A (en) * | 1988-04-15 | 1989-05-23 | Combustion Engineering, Inc. | Lower end fitting debris collector |
FR2646004B1 (fr) * | 1989-04-12 | 1993-12-24 | Framatome | Plaque de filtration associee a un embout inferieur d'un assemblage combustible d'un reacteur nucleaire |
US4986959A (en) * | 1989-05-17 | 1991-01-22 | Westinghouse Electric Corp. | Nuclear fuel assembly with expandable top nozzle subassembly |
US5037605A (en) * | 1989-10-13 | 1991-08-06 | B&W Fuel Company | Nuclear fuel assembly debris filter |
FR2664733B1 (fr) * | 1990-07-11 | 1992-11-06 | Framatome Sa | Embout inferieur d'un assemblage combustible pour reacteur nucleaire comportant une plaque adaptatrice et une plaque de filtration accolee a la plaque adaptatrice. |
US5200142A (en) * | 1991-04-18 | 1993-04-06 | Westinghouse Electric Corp. | Nuclear fuel assembly top nozzle with improved peripheral hold-down assembly |
US5133926A (en) * | 1991-04-18 | 1992-07-28 | Westinghouse Electric Corp. | Extended burnup top nozzle for a nuclear fuel assembly |
FR2682213B1 (fr) * | 1991-10-04 | 1994-01-07 | Framatome | Embout inferieur d'un assemblage combustible pour reacteur nucleaire refroidi a l'eau. |
US5363423A (en) * | 1993-08-19 | 1994-11-08 | Westinghouse Electric Corporation | Quick release top nozzle assembly |
US5361287A (en) * | 1994-03-29 | 1994-11-01 | B&W Fuel Company | Nuclear fuel assembly lower end fitting |
-
1996
- 1996-02-02 FR FR9601307A patent/FR2744556B1/fr not_active Expired - Fee Related
-
1997
- 1997-02-03 DE DE69702700T patent/DE69702700T2/de not_active Expired - Lifetime
- 1997-02-03 CN CN97191998A patent/CN1125470C/zh not_active Expired - Lifetime
- 1997-02-03 JP JP52737897A patent/JP3859016B2/ja not_active Expired - Fee Related
- 1997-02-03 EP EP97904479A patent/EP0878009B1/fr not_active Expired - Lifetime
- 1997-02-03 KR KR10-1998-0705889A patent/KR100451271B1/ko not_active IP Right Cessation
- 1997-02-03 ES ES97904479T patent/ES2148932T3/es not_active Expired - Lifetime
- 1997-02-03 WO PCT/FR1997/000212 patent/WO1997028534A1/fr active IP Right Grant
-
1998
- 1998-02-03 US US09/101,898 patent/US6049581A/en not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003098285A (ja) * | 2001-09-26 | 2003-04-03 | Mitsubishi Heavy Ind Ltd | Pwr原子炉用燃料集合体 |
JP4625212B2 (ja) * | 2001-09-26 | 2011-02-02 | 三菱重工業株式会社 | Pwr原子炉用燃料集合体 |
JP2006300937A (ja) * | 2005-04-08 | 2006-11-02 | Westinghouse Electric Co Llc | 原子燃料集合体の低圧力損失上部ノズル |
WO2007094509A1 (ja) * | 2006-02-17 | 2007-08-23 | Mitsubishi Heavy Industries, Ltd. | Pwr原子炉用燃料集合体 |
US8406369B2 (en) | 2006-02-17 | 2013-03-26 | Mitsubishi Heavy Industries, Ltd. | Fuel assembly for PWR nuclear reactor |
KR101366679B1 (ko) | 2012-06-15 | 2014-02-25 | 한전원자력연료 주식회사 | 압력강하를 개선하기 위한 핵연료집합체용 상단고정체 |
Also Published As
Publication number | Publication date |
---|---|
CN1125470C (zh) | 2003-10-22 |
EP0878009A1 (fr) | 1998-11-18 |
US6049581A (en) | 2000-04-11 |
FR2744556A1 (fr) | 1997-08-08 |
ES2148932T3 (es) | 2000-10-16 |
KR19990082164A (ko) | 1999-11-25 |
KR100451271B1 (ko) | 2005-04-06 |
JP3859016B2 (ja) | 2006-12-20 |
DE69702700T2 (de) | 2001-03-29 |
EP0878009B1 (fr) | 2000-08-02 |
FR2744556B1 (fr) | 1998-04-24 |
WO1997028534A1 (fr) | 1997-08-07 |
CN1210611A (zh) | 1999-03-10 |
DE69702700D1 (de) | 2000-09-07 |
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