JP2009528521A - 軽水炉の燃料集合体 - Google Patents
軽水炉の燃料集合体 Download PDFInfo
- Publication number
- JP2009528521A JP2009528521A JP2008556688A JP2008556688A JP2009528521A JP 2009528521 A JP2009528521 A JP 2009528521A JP 2008556688 A JP2008556688 A JP 2008556688A JP 2008556688 A JP2008556688 A JP 2008556688A JP 2009528521 A JP2009528521 A JP 2009528521A
- Authority
- JP
- Japan
- Prior art keywords
- repair sleeve
- fuel assembly
- spacer
- lattice
- water reactor
- 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
Images
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
- G21C3/334—Assembling, maintenance or repair of the 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
- G21C3/34—Spacer grids
- G21C3/352—Spacer grids formed of assembled intersecting strips
-
- 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)
- Fuel Cell (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
【選択図】図2a
Description
4 スペーサ
6 格子目
8 行
10 列
14 内部帯板
16 周縁帯板
20 修理スリーブ
24 軸方向突条部、半径方向張出し突出部
30 締付け舌片
34 係止爪
40 切欠き開口
43 開口
Claims (7)
- 軸方向に互いに間隔を隔てて配置された複数のスペーサ(4)によって案内されている複数の燃料棒を有し、前記スペーサ(4)が、縦横に延びる複数の帯板(14、16)で構成され行(8)と列(10)を成して配列された複数の格子目(6)を備えた格子を形成している、軽水炉の燃料集合体であって、
スペーサ(4)の周縁帯板(16)が1つの格子目(6)の範囲に損傷後に設けられた切欠き開口(40)を有し、その格子目(6)に修理スリーブ(20)がはめ込まれ、該修理スリーブ(20)が、切欠き開口(40)の中に突出してスペーサ(4)の未損傷の外側面にぴったり合って延びる外側面を備えている軽水炉の燃料集合体。 - 修理スリーブ(20)がその外周面に、その長手方向に延び切欠き開口(40)の中に突出する半径方向張出し突出部(24)を有していることを特徴とする請求項1に記載の燃料集合体。
- 修理スリーブ(20)が、未損傷の内部帯板(14)に存在する縁の後ろに引っ掛かる少なくとも1個の係止爪(34)を有していることを特徴とする請求項1又は2に記載の燃料集合体。
- 縁が、内部帯板(14)に存在する開口(43)によって形成されていることを特徴とする請求項3に記載の燃料集合体。
- 縁が、内部帯板(14)の下側縁によって形成されていることを特徴とする請求項3に記載の燃料集合体。
- 修理スリーブ(20)が、格子目(6)の上側縁および下側縁から突き出していることを特徴とする請求項1ないし5のいずれか1つに記載の燃料集合体。
- 修理スリーブ(20)が、その外周面に配置され長手方向に延びる少なくとも1個の締付け舌片(30)を有し、該締付け舌片(30)が、内部帯板(14)の上に押し被せられ、格子目(6)内に修理スリーブ(20)を固定することを特徴とする請求項1ないし6のいずれか1つに記載の燃料集合体。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006009598.7 | 2006-03-02 | ||
DE102006009598 | 2006-03-02 | ||
DE102006015868.7 | 2006-04-05 | ||
DE102006015868A DE102006015868B3 (de) | 2006-03-02 | 2006-04-05 | Brennelement für einen Leichtwasserreaktor |
PCT/EP2007/001516 WO2007098879A1 (de) | 2006-03-02 | 2007-02-22 | Brennelement für einen leichtwasserreaktor |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009528521A true JP2009528521A (ja) | 2009-08-06 |
JP4995843B2 JP4995843B2 (ja) | 2012-08-08 |
Family
ID=37887316
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008556688A Expired - Fee Related JP4995843B2 (ja) | 2006-03-02 | 2007-02-22 | 軽水炉の燃料集合体 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1989715B1 (ja) |
JP (1) | JP4995843B2 (ja) |
AT (1) | ATE514166T1 (ja) |
DE (1) | DE102006015868B3 (ja) |
WO (1) | WO2007098879A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008028774B3 (de) | 2008-06-17 | 2009-05-14 | Areva Np Gmbh | Brennelement mit Reparaturhülse für einen Leichtwasserreaktor |
RU2632572C1 (ru) * | 2016-05-10 | 2017-10-06 | Публичное акционерное общество "Новосибирский завод химконцентратов" (ПАО "НЗХК") | Дистанционирующая решетка тепловыделяющей сборки ядерного реактора |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6311892A (ja) * | 1986-04-02 | 1988-01-19 | フラマト−ム | 燃料棒用スペ−サ格子 |
DE3632153A1 (de) * | 1986-09-22 | 1988-03-31 | Siemens Ag | Kernreaktorbrennelement |
JPH02103490A (ja) * | 1988-06-28 | 1990-04-16 | Asea Brown Boveri Reaktor Gmbh | スペーサ支持体の周辺において損障した核燃料集合体の補修のための方法及び保持用部品 |
JPH11118971A (ja) * | 1997-10-09 | 1999-04-30 | Mitsubishi Heavy Ind Ltd | 原子炉燃料集合体のグリッド組立体及びその製造方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4422823A1 (de) * | 1994-06-29 | 1996-01-04 | Siemens Ag | Kernreaktorbrennelement |
-
2006
- 2006-04-05 DE DE102006015868A patent/DE102006015868B3/de not_active Expired - Fee Related
-
2007
- 2007-02-22 AT AT07722892T patent/ATE514166T1/de active
- 2007-02-22 WO PCT/EP2007/001516 patent/WO2007098879A1/de active Application Filing
- 2007-02-22 JP JP2008556688A patent/JP4995843B2/ja not_active Expired - Fee Related
- 2007-02-22 EP EP07722892A patent/EP1989715B1/de active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6311892A (ja) * | 1986-04-02 | 1988-01-19 | フラマト−ム | 燃料棒用スペ−サ格子 |
DE3632153A1 (de) * | 1986-09-22 | 1988-03-31 | Siemens Ag | Kernreaktorbrennelement |
JPH02103490A (ja) * | 1988-06-28 | 1990-04-16 | Asea Brown Boveri Reaktor Gmbh | スペーサ支持体の周辺において損障した核燃料集合体の補修のための方法及び保持用部品 |
JPH11118971A (ja) * | 1997-10-09 | 1999-04-30 | Mitsubishi Heavy Ind Ltd | 原子炉燃料集合体のグリッド組立体及びその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
DE102006015868B3 (de) | 2007-04-12 |
WO2007098879A1 (de) | 2007-09-07 |
JP4995843B2 (ja) | 2012-08-08 |
EP1989715B1 (de) | 2011-06-22 |
EP1989715A1 (de) | 2008-11-12 |
ATE514166T1 (de) | 2011-07-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7787584B2 (en) | Debris filtering bottom spacer grid with louvers for preventing uplift of fuel rods | |
US6167105A (en) | Spacer grid with H-spring for fuel rods for use in nuclear reactor fuel assemblies | |
JP4995843B2 (ja) | 軽水炉の燃料集合体 | |
CN107980163B (zh) | 定位格架及燃料组件 | |
GB1600945A (en) | Nuclear fuel assemblies and methods of inserting guide tubes into cells of spacer assemblies | |
JPH08278393A (ja) | 破損した燃料棒とスペーサを有する燃料集合体の修繕方法 | |
US9275763B2 (en) | Nuclear fuel rod spacer grid and framework and assembly comprising such a grid | |
JP2006292755A (ja) | 4点接触構造のスペーサ・グリッド | |
JP2885912B2 (ja) | 燃料集合体のスペーサ | |
JPH0631756B2 (ja) | スペーサ支持体の周辺において損障した核燃料集合体の補修のための方法及び保持用部品 | |
KR100893997B1 (ko) | 원자로의 격자에 일체로 고정되는 스페이서 및 관련 방법 | |
CN109252902B (zh) | 轴向限位结构和涡轮发动机 | |
US5727039A (en) | Spacer capture mechansim for non-round water rods | |
JP2014062896A (ja) | 核燃料集合体用のたわみが制限されたロッド接点を備えたスペーサおよびそれを作成する方法 | |
JPH0720270A (ja) | 矩形断面の水管にスペーサを繋止する方法 | |
EP3712480B1 (en) | Installation structure for pipe bundles and use of such an installation structure | |
EP0981135A1 (en) | Upper hold-down spring structure for a nuclear reactor fuel assembly | |
US6285729B1 (en) | Fuel spacer/water rod capture apparatus and methods for boiling water nuclear reactors | |
IL35920A (en) | Fuel assembly for a nuclear reactor | |
KR101663125B1 (ko) | 온-오프 특성이 개선된 상단고정체용 누름스프링 유닛 및, 이를 포함하는 핵연료 집합체용 상단고정체 | |
JPH028678B2 (ja) | ||
KR101125798B1 (ko) | 핵연료집합체의 하부지지격자 고정용 단일 슬리브 | |
GB1575950A (en) | Spacers | |
WO2023026595A1 (ja) | 沸騰水型原子炉 | |
US20110075789A1 (en) | Module for Forming a Nuclear Fuel Assembly and Corresponding Nuclear Fuel Assembly |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20110726 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20111019 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20111026 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20111122 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20120501 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20120510 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20150518 Year of fee payment: 3 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 Ref document number: 4995843 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |