KR910004190B1 - 핵연료 공간격자 - Google Patents
핵연료 공간격자 Download PDFInfo
- Publication number
- KR910004190B1 KR910004190B1 KR1019830003643A KR830003643A KR910004190B1 KR 910004190 B1 KR910004190 B1 KR 910004190B1 KR 1019830003643 A KR1019830003643 A KR 1019830003643A KR 830003643 A KR830003643 A KR 830003643A KR 910004190 B1 KR910004190 B1 KR 910004190B1
- Authority
- KR
- South Korea
- Prior art keywords
- spring
- nuclear fuel
- fuel
- spring portion
- lattice
- Prior art date
Links
- 239000003758 nuclear fuel Substances 0.000 title claims description 10
- 125000006850 spacer group Chemical group 0.000 title 1
- 239000000446 fuel Substances 0.000 claims description 31
- 239000000463 material Substances 0.000 claims description 20
- 230000005855 radiation Effects 0.000 claims description 7
- 229910001093 Zr alloy Inorganic materials 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 229910000640 Fe alloy Inorganic materials 0.000 claims 1
- BIJOYKCOMBZXAE-UHFFFAOYSA-N chromium iron nickel Chemical compound [Cr].[Fe].[Ni] BIJOYKCOMBZXAE-UHFFFAOYSA-N 0.000 claims 1
- 238000003786 synthesis reaction Methods 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 235000013601 eggs Nutrition 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000002285 radioactive effect Effects 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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
- G21C3/34—Spacer 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
- G21C3/34—Spacer grids
- G21C3/356—Spacer grids being provided with fuel element supporting members
- G21C3/3563—Supporting members formed only by deformations in the 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)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Fuel Cell (AREA)
- Prostheses (AREA)
- Hybrid Cells (AREA)
- Fuel-Injection Apparatus (AREA)
- Springs (AREA)
Abstract
Description
Claims (5)
- 핵연료 조합에서 연료봉(20)을 지지하기 위해, 달걀 바구니 형태를 한 사이에 끼운 격자띠(12, 14)의 배열이 상기 각 연료봉(20)의 하나하나의 울타리에 대하여 그안에서 표준셀(18)을 한정하고, 상기 띠(12,14)중의 적어도 하나가 상기 표준 셀(18)안으로 돌출한 완전 스프링부를 가지며 상기 스프링부(22)가 그에 관련된 연료봉(20)을 압력을 가하며 접촉하고 있는 핵연료 공간격자에 있어서, 백엎 스프링(28)이 다수의 상기 스프링부(22)각각의 뒤와 그에 가로방향으로 배치되어 있고, 상기 백엎 스프링(28)이 상기 스프링부(22)를 상기 연료봉(20)과의 개합을 위해 상기 스프링부(22)와 인접한 것을 특징으로 하는 핵연료 공간격자.
- 제 1 항에 있어서, 상기 백업 스프링(28)이 인접하는 아아치형 부분간에 기저부(32)를 갖는 상기 스프링부(22)의 뒤에 아이치형 부분을 가지며, 상기 띠(12, 14)가 일반적으로 2개의 인접 스프링부(22)간의 중간에 위치하고 상기 기저부(32)가 자물쇠 처럼 개합하고 있는 노치(34)를 구비하는 것을 특징으로 하는 핵연료 공간격자.
- 제 1 항 또는 제 2 항에 있어서, 상기 달걀 바구니 형태가 제어봉 안내 딤블(36)의 각 울타리에 대한 셀을 제한하고, 상기 띠(12, 14)가 상기 딤블 셀에서 스프링부가 없으며 상기 백엎 스프링(28)이 상기 셀에서 각각의 띠 부분과 공통적으로 연장하는 평탄부(40)를 구비하는 것을 특징으로하는 핵연료 공간격자.
- 제 1 항, 제 2 항 또는 제 3 항에 있어서, 상기 띠(12, 14)가 상기 백엎 스프링(28)보다 낮은 중성자 포획 단면적을 갖는 제 1 의 재료로 이루어지고, 상기 백엎 스프링(28)이 상기 스프링부(22)를 포함한 상기 띠(12, 14)보다 더 우수한 방사선 응력완화 특성을 갖는 제 2 의 재료로 구성되는 것을 특징으로 하는 핵연료 공간격자.
- 제 4 항에 있어서, 제상기 제 1 의 재료는 지르칼로이이고 상기 제 2 의 재료는 니켈-크롬-철 합금인 것을 특징으로하는 핵연료 공간격자.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US405482 | 1982-08-05 | ||
US06/405,482 US4474730A (en) | 1982-08-05 | 1982-08-05 | Nuclear fuel spacer grid |
Publications (2)
Publication Number | Publication Date |
---|---|
KR840005890A KR840005890A (ko) | 1984-11-19 |
KR910004190B1 true KR910004190B1 (ko) | 1991-06-24 |
Family
ID=23603881
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019830003643A KR910004190B1 (ko) | 1982-08-05 | 1983-08-04 | 핵연료 공간격자 |
Country Status (11)
Country | Link |
---|---|
US (1) | US4474730A (ko) |
EP (1) | EP0101241B1 (ko) |
JP (1) | JPS5963588A (ko) |
KR (1) | KR910004190B1 (ko) |
BE (1) | BE897480A (ko) |
DE (1) | DE3370224D1 (ko) |
ES (1) | ES8600549A1 (ko) |
FR (1) | FR2531562A1 (ko) |
IT (1) | IT1170176B (ko) |
PH (1) | PH20824A (ko) |
ZA (1) | ZA835075B (ko) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4897241A (en) * | 1981-11-30 | 1990-01-30 | Combustion Engineering, Inc. | Anti-bow grid for nuclear fuel assembly |
FR2520149B1 (fr) * | 1982-01-20 | 1987-03-20 | Commissariat Energie Atomique | Grille d'espacement pour assemblage combustible de reacteur nucleaire comportant des points d'appui opposes deux a deux pratiques sur des lamelles deformables elastiquement |
US4692302A (en) * | 1983-12-30 | 1987-09-08 | Westinghouse Electric Corp. | Coolant flow mixer grid for a nuclear reactor fuel assembly |
JPS60203892A (ja) * | 1984-03-28 | 1985-10-15 | 原子燃料工業株式会社 | 加圧水型原子炉用の核燃料集合体 |
US4659542A (en) * | 1984-10-03 | 1987-04-21 | Westinghouse Electric Corp. | Grid structure for nuclear fuel assembly |
US4659541A (en) * | 1985-05-01 | 1987-04-21 | Westinghouse Electric Corp. | Nuclear fuel rod support grid with improved multiple dimple arrangement |
US4678632A (en) * | 1985-06-05 | 1987-07-07 | Westinghouse Electric Corp. | Nuclear fuel assembly grid with predetermined grain orientation |
US4652421A (en) * | 1985-09-05 | 1987-03-24 | Westinghouse Electric Corp. | Outer grid strap protruding spring repair apparatus |
US4744942A (en) * | 1986-06-11 | 1988-05-17 | Westinghouse Electric Corp. | Nuclear reactor spacer grid loading |
US4923669A (en) * | 1989-02-21 | 1990-05-08 | Westinghouse Electric Corp. | Nuclear fuel rod grid spring and dimple structures having chamfered edges for reduced pressure drop |
US5271054A (en) * | 1991-09-25 | 1993-12-14 | Combustion Engineering, Inc. | Perimeter grid strip |
FR2697368B1 (fr) * | 1992-10-28 | 1995-01-13 | Framatome Sa | Grille-entretoise d'un assemblage combustible d'un réacteur nucléaire refroidi par de l'eau légère. |
US5339341A (en) * | 1993-09-17 | 1994-08-16 | B&W Fuel Company | Mid span mixer grid |
US5488644A (en) * | 1994-07-13 | 1996-01-30 | General Electric Company | Spring assemblies for adjoining nuclear fuel rod containing ferrules and a spacer formed of the spring assemblies and ferrules |
US5519747A (en) * | 1994-10-04 | 1996-05-21 | General Electric Company | Apparatus and methods for fabricating spacers for a nuclear fuel rod bundle |
US5546437A (en) * | 1995-01-11 | 1996-08-13 | General Electric Company | Spacer for nuclear fuel rods |
US5566217A (en) * | 1995-01-30 | 1996-10-15 | General Electric Company | Reduced height spacer for nuclear fuel rods |
FR2736190B1 (fr) * | 1995-06-29 | 1997-10-10 | Framatome Sa | Grille-entretoise d'un assemblage de combustible pour un reacteur nucleaire et assemblage de combustible |
US5675621A (en) * | 1995-08-17 | 1997-10-07 | General Electric Company | Reduced height flat spring spacer for nuclear fuel rods |
KR100432581B1 (ko) * | 2001-07-10 | 2004-05-24 | 한국수력원자력 주식회사 | 연료봉 접촉면적과 스프링 탄성영역을 확장하는 격자스프링이 부착된 지지격자체 |
US6606369B1 (en) | 2002-03-06 | 2003-08-12 | Westinghouse Electric Company Llc | Nuclear reactor with improved grid |
US6819733B2 (en) | 2002-05-15 | 2004-11-16 | Westinghouse Electric Company Llc | Fuel assembly and associated grid for nuclear reactor |
US7623612B2 (en) * | 2006-03-27 | 2009-11-24 | Westinghouse Electric Co. Llc | Bi-alloy spacer grid and associated methods |
US9378852B2 (en) * | 2012-04-17 | 2016-06-28 | Bwxt Mpower, Inc. | Spacer grids for nuclear reactor |
US10818402B2 (en) * | 2017-03-31 | 2020-10-27 | Westinghouse Electric Company Llc | Spacer grid using tubular cells with mixing vanes |
SE545540C2 (en) * | 2020-08-18 | 2023-10-17 | Saab Ab | Spring arrangement for countermeasure magazine comprising it |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US27173A (en) * | 1860-02-14 | Mode of cutting boot-vamps | ||
BE625489A (ko) * | 1961-12-01 | |||
US3338791A (en) * | 1965-06-07 | 1967-08-29 | Gen Electric | Reactor device |
US3350275A (en) * | 1965-08-26 | 1967-10-31 | Gen Electric | Reactor fuel assembly device |
US3654077A (en) * | 1967-06-26 | 1972-04-04 | Gen Electric | Nuclear reactor fuel element spacer |
FR1571496A (ko) * | 1968-05-06 | 1969-06-20 | ||
US3665586A (en) * | 1968-11-07 | 1972-05-30 | Babcock & Wilcox Co | Nuclear fuel rod supporting arrangements |
US3686071A (en) * | 1969-08-19 | 1972-08-22 | Combustion Eng | Bimetallic spacer grid |
GB1301584A (ko) * | 1970-04-08 | 1972-12-29 | ||
US3746618A (en) * | 1970-06-01 | 1973-07-17 | Continental Oil Co | Nuclear reactor fuel element spacer assembly |
US3795040A (en) * | 1971-10-28 | 1974-03-05 | Babcock & Wilcox Co | Method of inserting fuel rods into individual cells in a fuel element grid |
DE2233904A1 (de) * | 1972-07-10 | 1974-01-31 | Stichting Reactor Centrum | Haltegitter fuer ein buendel zylindrischer elemente, die an einem waermeaustauschvorgang teilnehmen |
JPS5731241B2 (ko) * | 1974-07-26 | 1982-07-03 | ||
JPS51151492A (en) * | 1975-06-20 | 1976-12-25 | Nuclear Fuel Ind Ltd | Spacer grid for nuclear fuel assemblies |
US4059483A (en) * | 1975-12-05 | 1977-11-22 | Combustion Engineering, Inc. | Nuclear fuel assembly seismic amplitude limiter |
US4137125A (en) * | 1976-11-12 | 1979-01-30 | Westinghouse Electric Corp. | Method of welding nuclear reactor fuel assemblies |
US4175003A (en) * | 1976-12-23 | 1979-11-20 | Westinghouse Electric Corp. | Grid for nuclear reactor fuel assemblies |
US4268356A (en) * | 1978-07-14 | 1981-05-19 | Westinghouse Electric Corp. | Nuclear reactor fuel assembly grid |
FR2465296A1 (fr) * | 1979-09-06 | 1981-03-20 | Commissariat Energie Atomique | Dispositif de fixation d'un ressort sur une grille d'espacement d'elements combustibles de reacteurs nucleaires |
US4389369A (en) * | 1980-08-11 | 1983-06-21 | Westinghouse Electric Corp. | Bi-metallic grid for a nuclear reactor fuel assembly |
-
1982
- 1982-08-05 US US06/405,482 patent/US4474730A/en not_active Expired - Fee Related
-
1983
- 1983-07-12 ZA ZA835075A patent/ZA835075B/xx unknown
- 1983-07-22 IT IT22200/83A patent/IT1170176B/it active
- 1983-08-02 EP EP83304453A patent/EP0101241B1/en not_active Expired
- 1983-08-02 DE DE8383304453T patent/DE3370224D1/de not_active Expired
- 1983-08-02 JP JP58140657A patent/JPS5963588A/ja active Granted
- 1983-08-03 ES ES524693A patent/ES8600549A1/es not_active Expired
- 1983-08-03 FR FR8312801A patent/FR2531562A1/fr active Granted
- 1983-08-04 KR KR1019830003643A patent/KR910004190B1/ko not_active IP Right Cessation
- 1983-08-04 PH PH29356A patent/PH20824A/en unknown
- 1983-08-05 BE BE0/211316A patent/BE897480A/fr not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0101241A2 (en) | 1984-02-22 |
PH20824A (en) | 1987-04-24 |
JPS5963588A (ja) | 1984-04-11 |
JPH0151950B2 (ko) | 1989-11-07 |
ZA835075B (en) | 1984-03-28 |
FR2531562A1 (fr) | 1984-02-10 |
DE3370224D1 (en) | 1987-04-16 |
FR2531562B1 (ko) | 1985-04-19 |
EP0101241B1 (en) | 1987-03-11 |
BE897480A (fr) | 1984-02-06 |
ES524693A0 (es) | 1985-10-01 |
US4474730A (en) | 1984-10-02 |
ES8600549A1 (es) | 1985-10-01 |
EP0101241A3 (en) | 1984-05-30 |
IT8322200A0 (it) | 1983-07-22 |
KR840005890A (ko) | 1984-11-19 |
IT1170176B (it) | 1987-06-03 |
IT8322200A1 (it) | 1985-01-22 |
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Legal Events
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Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19830804 |
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Patent event code: PA02012R01D Patent event date: 19880714 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 19830804 Comment text: Patent Application |
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Comment text: Decision on Publication of Application Patent event code: PG16051S01I Patent event date: 19910527 |
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Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19910909 |
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Comment text: Registration of Establishment Patent event date: 19911206 Patent event code: PR07011E01D |
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