JP4794149B2 - 炉心を含む原子炉圧力容器内に核燃料集合体を支持するための装置 - Google Patents
炉心を含む原子炉圧力容器内に核燃料集合体を支持するための装置 Download PDFInfo
- Publication number
- JP4794149B2 JP4794149B2 JP2004264519A JP2004264519A JP4794149B2 JP 4794149 B2 JP4794149 B2 JP 4794149B2 JP 2004264519 A JP2004264519 A JP 2004264519A JP 2004264519 A JP2004264519 A JP 2004264519A JP 4794149 B2 JP4794149 B2 JP 4794149B2
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- Prior art keywords
- support
- core
- support plate
- removable
- 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.)
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- 239000003758 nuclear fuel Substances 0.000 title claims description 10
- 230000000712 assembly Effects 0.000 title description 6
- 238000000429 assembly Methods 0.000 title description 6
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 238000009835 boiling Methods 0.000 description 8
- 239000002826 coolant Substances 0.000 description 8
- 239000000446 fuel Substances 0.000 description 7
- 230000007246 mechanism Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000002285 radioactive effect Effects 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- 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
- G21C5/10—Means for supporting the complete structure
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C13/00—Pressure vessels; Containment vessels; Containment in general
- G21C13/02—Details
- G21C13/024—Supporting constructions for pressure vessels or containment vessels
-
- 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)
- Structure Of Emergency Protection For Nuclear Reactors (AREA)
Description
22 炉心
46 核燃料集合体
100 支持プレート
108 支持プレート流路
112 ガイドチューブ開口
114、116 十字形状スロット
120、122、124、126、128 溝
150 支持ビーム
152 支持リング
158 支持ビームマトリクス
166 炉心支持体
170 支持ブロック
176 支持ブロックの流入口部分
180 支持ブロックの流出口
190 支持ブロック流路
Claims (8)
- 炉心(22)を含む原子炉圧力容器(5)内に核燃料集合体(46)を支持するための装置であって、
炉心シュラウド(20)と、
前記炉心シュラウド(20)に取付けられた複数の支持ビーム(150)と、
前記複数の支持ビームの上に配置された複数の取外し可能な支持プレート(100)と、
を含み、
各前記取外し可能な支持プレートは、
四角形の上面(102)と、
前記上面と対向する四角形の底面(104)と、
前記上面と底面とを接続する側部分と、
前記側部分のうちの一対の対向する側部分の間を延びる軸線(130)と、
前記底面に設けられた少なくとも1つの溝(120)と
を有し、
各前記溝は、前記軸線に対して45°の角度で前記底面に沿って延び、前記支持ビームの一部を受け入れて相互にかみ合うよう構成される
ことを特徴とする装置。 - 前記少なくとも1つの取外し可能な支持プレート(100)及び複数の支持ビーム(150)が、炉心支持体(166)を形成する、請求項1記載の装置。
- 内周面(154)及び外周面(156)を有する支持リング(152)をさらに含み、前記複数の支持ビーム(150)が前記内周面間で延びかつ互いに交差して支持ビームマトリクス(158)を形成している、請求項1記載の装置。
- 前記少なくとも1つの取外し可能な支持プレート(100)が、前記炉心(22)の上方から取外せるように構成されている、請求項1記載の装置。
- 前記支持ビームが、該支持ビームの全長に沿って延びる突出部を含み、
前記突出部が、前記少なくとも1つの溝内に受け入れ可能である、
請求項1記載の装置。 - 前記少なくとも1つの取外し可能な支持プレート(100)が、少なくとも1つの支持プレート流路(108)を含む、請求項1記載の装置。
- 前記少なくとも1つの取外し可能な支持プレート(100)が、該支持プレート上に配置された少なくとも1つの取外し可能な支持ブロック(170)を含み、
前記取外し可能な支持ブロックが、前記少なくとも1つの支持プレート流路(108)と流れ連通する少なくとも1つの支持ブロック流路(190)を有する、
請求項6記載の装置。 - 前記取外し可能な支持ブロック(170)が、該取外し可能な支持ブロックの一側から延びる流入口部分(176)を含み、
前記流入口部分が、前記少なくとも1つの支持ブロック流路(190)と流れ連通しており、
前記流入口部分が、前記少なくとも1つの支持プレート流路(108)内に受け入れ可能である、
請求項7記載の装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/661,847 US20050069079A1 (en) | 2003-09-12 | 2003-09-12 | Modular reactor containment system |
US10/661,847 | 2003-09-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005091356A JP2005091356A (ja) | 2005-04-07 |
JP4794149B2 true JP4794149B2 (ja) | 2011-10-19 |
Family
ID=34375791
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004264519A Active JP4794149B2 (ja) | 2003-09-12 | 2004-09-10 | 炉心を含む原子炉圧力容器内に核燃料集合体を支持するための装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US20050069079A1 (ja) |
JP (1) | JP4794149B2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7860812B2 (en) * | 2005-03-02 | 2010-12-28 | Accenture Global Services Limited | Advanced insurance record audit and payment integrity |
US8588360B2 (en) | 2007-11-15 | 2013-11-19 | The State Of Oregon Acting By And Through The State Board Of Higher Education On Behalf Of Oregon State University | Evacuated containment vessel for a nuclear reactor |
US8687759B2 (en) * | 2007-11-15 | 2014-04-01 | The State Of Oregon Acting By And Through The State Board Of Higher Education On Behalf Of Oregon State University | Internal dry containment vessel for a nuclear reactor |
US9984777B2 (en) | 2007-11-15 | 2018-05-29 | Nuscale Power, Llc | Passive emergency feedwater system |
US9897308B2 (en) * | 2013-12-26 | 2018-02-20 | Nuscale Power, Llc | Steam generator with tube aligning orifice |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3150052A (en) * | 1959-07-03 | 1964-09-22 | North American Aviation Inc | Steam superheat boiling water nuclear reactor |
US3100188A (en) * | 1961-05-19 | 1963-08-06 | Arthur P Fraas | Reactor moderator structure |
DE1639193B1 (de) * | 1967-04-25 | 1970-07-23 | Allmaenna Svenska Elek Ska Ab | Kernreaktor mit Fuehrungsrohren fuer Steuerstaebe |
US3811237A (en) * | 1970-03-30 | 1974-05-21 | United Fabricating Co Inc | Raised floor panel and assembly |
US4021986A (en) * | 1975-04-18 | 1977-05-10 | Specified Ceiling Systems | Modular ceiling framework |
US4086133A (en) * | 1976-09-07 | 1978-04-25 | General Atomic Company | Nuclear reactor core refueling method |
DE2929741A1 (de) * | 1979-07-23 | 1981-02-19 | Hochtemperatur Reaktorbau Gmbh | Aus einer vielzahl von graphitbloecken bestehender tragboden fuer den kern eines kernreaktors mit kugelfoermigen brennelementen |
US4794745A (en) * | 1986-12-15 | 1989-01-03 | National Rolling Mills Inc. | Tier drop grid system |
JPH02168195A (ja) * | 1988-12-22 | 1990-06-28 | Toshiba Corp | 炉心支持構造 |
US4922670A (en) * | 1989-01-27 | 1990-05-08 | Naka Technical Laboratory | Free access floor and method of constructing the same |
JP3055820B2 (ja) * | 1991-07-05 | 2000-06-26 | 株式会社東芝 | 燃料集合体と炉心 |
US5241570A (en) * | 1992-06-08 | 1993-08-31 | General Electric Company | Core-control assembly with a fixed fuel support |
US5369676A (en) * | 1993-08-19 | 1994-11-29 | General Electric Company | Reactor refueling mechanism |
US5519746A (en) * | 1994-11-28 | 1996-05-21 | General Electric Company | Large BWR fuel channel design |
US6188741B1 (en) * | 1997-08-29 | 2001-02-13 | General Electric Company | Machined stub tube in a bottom head of a boiling water reactor |
US6240156B1 (en) * | 1997-08-29 | 2001-05-29 | General Electric Company | Top guide grid attachment for a boiling water reactor |
US6009137A (en) * | 1997-08-29 | 1999-12-28 | General Electric Company | Mid-shroud joint for a boiling water reactor |
US6097779A (en) * | 1998-02-17 | 2000-08-01 | General Electric Company | Fuel bundle and control rod assembly for a nuclear reactor |
US6813327B1 (en) * | 2000-10-19 | 2004-11-02 | General Electric Company | Core support for an F-lattice core of a boiling water nuclear reactor |
JP2002365390A (ja) * | 2001-06-05 | 2002-12-18 | Toshiba Corp | 沸騰水型原子炉 |
-
2003
- 2003-09-12 US US10/661,847 patent/US20050069079A1/en not_active Abandoned
-
2004
- 2004-09-10 JP JP2004264519A patent/JP4794149B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2005091356A (ja) | 2005-04-07 |
US20050069079A1 (en) | 2005-03-31 |
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