JP5778883B2 - 核燃料バンドル中の上部タイプレート用のデブリシールドおよびデブリをフィルタにかける方法 - Google Patents
核燃料バンドル中の上部タイプレート用のデブリシールドおよびデブリをフィルタにかける方法 Download PDFInfo
- Publication number
- JP5778883B2 JP5778883B2 JP2008210273A JP2008210273A JP5778883B2 JP 5778883 B2 JP5778883 B2 JP 5778883B2 JP 2008210273 A JP2008210273 A JP 2008210273A JP 2008210273 A JP2008210273 A JP 2008210273A JP 5778883 B2 JP5778883 B2 JP 5778883B2
- Authority
- JP
- Japan
- Prior art keywords
- debris
- tie plate
- upper tie
- debris shield
- shield
- 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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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
- G21C3/3206—Means associated with the fuel bundle for filtering the coolant, e.g. nozzles, grids
-
- 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
- G21C3/34—Spacer grids
- G21C3/344—Spacer grids formed of assembled tubular elements
-
- 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)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Description
11 全長燃料棒
12 部分長燃料棒
13 上部タイプレート
14 下部タイプレート
15 スペーサ
16 燃料棒膨張スプリング
17 六角ナット
18 フィンガスプリング
19 端栓
20 チャンネル
21 炉心
22 上部タイプレートの把手
23、230 ウォータロッド
24 ねじ付きタイロッド
25 上部タイプレート上のチャンネルポスト
26 ねじ付きチャンネルポスト
27 ねじ付きタイロッドの上部端栓用の開口
28 ねじ付き端部
31 小さい垂直な穴
100 上部タイプレート集合体
102 デブリシールド(カートリッジタイプ)
104 上部タイプレート中の水平支持フレーム
106 デブリシールド中の円筒形ピン支持体
108 デブリシールド中の流路
110 デブリシールドの周縁
112 山形模様
114 デブリシールドの上面
116 デブリシールドの山形模様の中のコーナー
117 上部タイプレート(UTP)上の基準点
130 上部タイプレート集合体
131 水平支持フレームの中の穴(流路)
132 水平フレーム、支持フレーム
133 デブリシールドの中に形成される稜線および溝
134 デブリシールドを挿入させるための上部タイプレートのフレーム枠中のスロット
135 デブリシールド中の開口
136 デブリシールド(フィルタスクリーンタイプ)
137 デブリシールドの稜線および溝の斜面
138 フレーム中の中空リブ
139 上部端栓用の上部タイプレートのマトリックス中の開口
140 ピン支持体用のマトリックス
141 ピン支持体
142、144 マトリックス140用の接続リブ
143 斜面137上の傾斜した穴
145 マトリックス140の固体金属の補強材
150 第3の実施形態の上部タイプレート
152 デブリシールド
154 デブリシールド用のスロット
156 上部平坦部分
158 下部平坦部分
159 デブリシールド中の流路
160 上部タイプレート用のフレーム
161 開口
162 デブリシールドの縁部
164 デブリシールドの上面
166 デブリシールドの下面
168 デブリシールドの層
Claims (7)
- 上部タイプレート(13、100、130、150)に装着され、チャンネル(20)内に収容された燃料棒(11、12)とウォータロッド(23、230)のアレイを含む燃料バンドルと、
前記上部タイプレートのフレームのスロット内、かつ前記燃料棒の上方のデブリシールド(102、136、152)と、
を備える原子炉燃料集合体(10)であって、
前記デブリシールドが、前記上部タイプレートの少なくとも部分的に開いた領域と少なくとも同じ広がりのある面を有し、
前記デブリシールドが波状の断面形状を有し、前記前記断面形状により前記スロットの上面および下面を付勢して前記デブリシールドを前記スロット内に挟んで固定する、
原子炉燃料集合体(10)。 - 前記デブリシールド(102、136、152)が、前記燃料棒のうちの少なくとも1つのピン用の構造支持体(106)である、請求項1に記載の原子炉燃料集合体。
- 前記少なくとも部分的に開いた領域が、前記上部タイプレートのフレーム(104、132、160)によって境界付けられる開いた領域であり、
前記フレームが、前記チャンネルに隣接する外周部を有する、
請求項1または2に記載の原子炉燃料集合体。 - 前記少なくとも部分的に開いた領域が、1つの開いた領域であり、
前記上部タイプレートの概して方形のフレーム(104、132、160)によって境界付けられる、
請求項1または2に記載の原子炉燃料集合体。 - 前記上部タイプレートの前記フレーム(104、132、160)が、前記燃料バンドルのタイロッド(24)の上端を受容するための少なくとも1つの中空リブ(138)を含む、請求項4に記載の原子炉燃料集合体。
- 前記部分的に開いた領域が、ピン支持体(140、141)およびリブ(142、144)のマトリックスを含み、
前記ピン支持体(140、141)およびリブ(142、144)のマトリックスが、前記ピン支持体を互いに対して相互接続および前記ピン支持体を前記上部タイプレートのフレーム(132)に対して相互接続し、
前記フレームが、前記少なくとも部分的に開いた領域を境界付ける、
請求項1から5のいずれかに記載の原子炉燃料集合体。 - 前記ピン支持体(140、141)およびリブ(142、144)のマトリックスが、上部マトリックスおよび下部マトリックスを含み、
前記デブリシールド(136)が、前記上部タイプレートの前記上部マトリックスと前記下部マトリックスの間に挟まれて固定される、
請求項6に記載の原子炉燃料集合体。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/848,414 | 2007-08-31 | ||
US11/848,414 US20090060114A1 (en) | 2007-08-31 | 2007-08-31 | Debris shield for upper tie plate in a nuclear fuel bundle and method for filtering debris |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009058505A JP2009058505A (ja) | 2009-03-19 |
JP5778883B2 true JP5778883B2 (ja) | 2015-09-16 |
Family
ID=40089936
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008210273A Active JP5778883B2 (ja) | 2007-08-31 | 2008-08-19 | 核燃料バンドル中の上部タイプレート用のデブリシールドおよびデブリをフィルタにかける方法 |
Country Status (5)
Country | Link |
---|---|
US (2) | US20090060114A1 (ja) |
EP (1) | EP2031599B1 (ja) |
JP (1) | JP5778883B2 (ja) |
ES (1) | ES2366595T3 (ja) |
RU (1) | RU2008135268A (ja) |
Families Citing this family (19)
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US20090060114A1 (en) * | 2007-08-31 | 2009-03-05 | Global Nuclear Fuel - Americas, Llc | Debris shield for upper tie plate in a nuclear fuel bundle and method for filtering debris |
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 |
US9620249B2 (en) | 2007-08-31 | 2017-04-11 | Global Nuclear Fuel—Americas, LLC | Debris shield upper tie plate for nuclear fuel assembly and method to shield assembly from debris |
US8548113B2 (en) * | 2009-08-28 | 2013-10-01 | Global Nuclear Fuel - Americas, Llc | Debris mitigation upper tie plates and fuel bundles using the same |
US9378853B2 (en) | 2010-10-21 | 2016-06-28 | Bwxt Nuclear Energy, Inc. | Support structure for a control rod assembly of a nuclear reactor |
US8611488B2 (en) * | 2011-02-14 | 2013-12-17 | Global Nuclear Fuel—Americas, LLC | Debris exclusion and retention device for a fuel assembly |
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US9767930B2 (en) | 2012-04-17 | 2017-09-19 | Bwxt Mpower, Inc. | Suspended upper internals for compact nuclear reactor including a mid-hanger plate |
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RU2610716C1 (ru) * | 2015-12-09 | 2017-02-15 | Публичное акционерное общество "Машиностроительный завод" | Фильтр для тепловыделяющей сборки ядерного реактора |
RU2610913C1 (ru) * | 2016-03-17 | 2017-02-17 | Публичное акционерное общество "Машиностроительный завод" | Тепловыделяющая сборка ядерного реактора |
KR101859524B1 (ko) * | 2017-01-16 | 2018-05-23 | 한전원자력연료 주식회사 | 물결형태의 유로판을 구비하는 핵연료집합체용 상단고정체 |
US10923237B2 (en) * | 2017-08-28 | 2021-02-16 | Global Nuclear Fuel—Americas, LLC | Debris filters for nuclear fuel assembly and method of using the same |
EA038791B1 (ru) | 2017-12-28 | 2021-10-20 | Акционерное Общество "Твэл" | Тепловыделяющая сборка ядерного реактора |
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-
2007
- 2007-08-31 US US11/848,414 patent/US20090060114A1/en not_active Abandoned
-
2008
- 2008-08-15 ES ES08162480T patent/ES2366595T3/es active Active
- 2008-08-15 EP EP08162480A patent/EP2031599B1/en active Active
- 2008-08-19 JP JP2008210273A patent/JP5778883B2/ja active Active
- 2008-08-29 RU RU2008135268/06A patent/RU2008135268A/ru not_active Application Discontinuation
- 2008-09-30 US US12/241,357 patent/US20090092217A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP2031599B1 (en) | 2011-07-13 |
RU2008135268A (ru) | 2010-03-10 |
JP2009058505A (ja) | 2009-03-19 |
US20090092217A1 (en) | 2009-04-09 |
ES2366595T3 (es) | 2011-10-21 |
EP2031599A1 (en) | 2009-03-04 |
US20090060114A1 (en) | 2009-03-05 |
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