KR840005889A - Reassembly of Reactor Fuel Assemblies - Google Patents

Reassembly of Reactor Fuel Assemblies Download PDF

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Publication number
KR840005889A
KR840005889A KR1019830004463A KR830004463A KR840005889A KR 840005889 A KR840005889 A KR 840005889A KR 1019830004463 A KR1019830004463 A KR 1019830004463A KR 830004463 A KR830004463 A KR 830004463A KR 840005889 A KR840005889 A KR 840005889A
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KR
South Korea
Prior art keywords
connecting plate
upper nozzle
guide thimble
reactor fuel
fuel assembly
Prior art date
Application number
KR1019830004463A
Other languages
Korean (ko)
Other versions
KR910004194B1 (en
Inventor
밀톤 살렌버거 존
Original Assignee
죠오지 메크린
웨스팅하우스 일렉트릭 코오포레이숀
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Application filed by 죠오지 메크린, 웨스팅하우스 일렉트릭 코오포레이숀 filed Critical 죠오지 메크린
Publication of KR840005889A publication Critical patent/KR840005889A/en
Application granted granted Critical
Publication of KR910004194B1 publication Critical patent/KR910004194B1/en

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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
    • 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
    • G21C3/331—Comprising hold-down means, e.g. springs
    • 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
    • G21C3/326—Bundles of parallel pin-, rod-, or tube-shaped fuel elements comprising fuel elements of different composition; comprising, in addition to the fuel elements, other pin-, rod-, or tube-shaped elements, e.g. control rods, grid support rods, fertile rods, poison rods or dummy rods
    • 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

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  • 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)
  • Processing Of Solid Wastes (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

내용 없음No content

Description

원자로 핵연료 집합체의 재조립 방법Reassembly of Reactor Fuel Assemblies

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제 1 도는 제어봉 가이드 심블(thimble)접속 시스템에 본 발명의 상부 노즐을 통합한 연료 집합체의 설계를 도시하는 입면도.1 is an elevation showing the design of a fuel assembly incorporating an upper nozzle of the present invention in a control rod guide thimble connection system.

제 2 도는 제 1 도에 도시한 연료 집합체의 평면도.2 is a plan view of the fuel assembly shown in FIG.

제 3 도는 본 발명의 연료 집합체 재조립 방법이 적용될 수 있는 접속 시스템에 가이드 심블과 상부 노즐이 용접되는 이전 기술의 확대 횡단면도.3 is an enlarged cross sectional view of the prior art in which a guide thimble and an upper nozzle are welded to a connection system to which the fuel assembly reassembly method of the present invention may be applied.

제 4 도는 본 발명의 접속 시스템 실시예를 보다 자세히 도시하는 제 1 도의 부분 확대 단면도. 제 4 도는 또한 제 3 도의 접속 시스템에 수행된 본 발명의 연료 집합체 재조립 방법의 결과를 도시.4 is a partially enlarged cross-sectional view of FIG. 1 showing a connection system embodiment of the present invention in more detail. 4 also shows the results of the fuel assembly reassembly method of the present invention carried out in the connection system of FIG.

제 5 도는 제 4 도의 접속 시스템의 교체 실시예를 도시한다. 제 5 도는 또한 제 4 도의 접속 시스템에 수행된 본 발명의 연료 집합체 재조립 방법의 결과를 도시(연료 집합체의 제 2 의 재조립에서와 같은).5 shows an alternative embodiment of the connection system of FIG. FIG. 5 also shows the results of the fuel assembly reassembly method of the present invention carried out in the connection system of FIG. 4 (as in the second reassembly of the fuel assembly).

Claims (6)

상부 노즐 연결판(32)의 제어봉통로(60)내에 축방향으로 배치된 제어봉 가이드 심블(50)을 가지며 상부 노즐 연결판(32)에 고착되어 있는 원자로 핵연료 집합체를 재조립하는 방법에 있어서, 가이드 심블벽이 연결판(32)으로부터 슬리브를 분리하기 위해 접속면 하부에서 원주상으로 절단되며, 연결판을 포함하는 상부 노즐(24)이 절단된 가이드 심블(50)로부터 제거되고, 절단된 가이드 심블(50)이 제 2 의 상부 노즐(24)에 삽입되고, 상기 제 2 의 상부 노즐(24)은 슬리브(50)가 분리된 제 1 의 상부 노즐 연결판(32)에 대응하는 면하부에 축방향으로 배치된 홈(74)을 가진 다수의 제어봉통로(72)와 함께 연결판을 가지며, 상기 슬리브가 상기 홈 상부의 축방향 거리에 제 2 의 상부 노즐 연결판(32)내에 삽입되고, 삽입된 절단 가이드 심블(50)이 상기 홈(74,90)내에서 원주상으로 벌지되는 것을 특징으로 하는 원자로 핵연료 집합체의 재조립 방법.In the method of reassembling a nuclear reactor fuel assembly having a control rod guide thimble (50) disposed axially in the control rod passage (60) of the upper nozzle connecting plate (32) and secured to the upper nozzle connecting plate (32). The thimble wall is cut circumferentially below the connecting surface to separate the sleeve from the connecting plate 32, the upper nozzle 24 including the connecting plate is removed from the cut guide thimble 50, and the cut guide thimble 50 is inserted into the second upper nozzle 24, and the second upper nozzle 24 is axially mounted under the surface corresponding to the first upper nozzle connecting plate 32 from which the sleeve 50 is separated. A connecting plate with a plurality of control rod passages 72 with grooves 74 arranged in a direction, the sleeve being inserted into the second upper nozzle connecting plate 32 at an axial distance of the upper portion of the groove, Cutting guide thimble 50 is circumferentially formed in the grooves 74 and 90. How the reassembly of a nuclear reactor fuel assembly, characterized in that a bulge. 제 1 항에 있어서, 가이드 심블(50)이 슬리브(53, 80)로 마련되며 상기 슬리브가 그의 부분을 형성하기 위해 상기 가이드 심블(50)에 연결되며, 상기 슬리브(53, 80)가 상기 홈(74, 90)내에서 벌지되는 것을 특징이 있는 원자로 핵연료 집합체의 재조립 방법.A guide thimble (50) is provided with sleeves (53, 80), and the sleeve is connected to the guide thimble (50) to form part thereof, and the sleeves (53, 80) are grooved. A method of reassembling a nuclear reactor fuel assembly characterized by bulging within (74, 90). 상기 통로(72)내에 축방향으로 배치된 제어봉 가이드 심블구조(50)와 함께 제어봉통로를 갖는 연결판(32)과 함께 상부 노즐(24)로 이루어진 원자로 연료 집합체 있어서, 상기 통로(72)가 그들 벽 내측에 원주상의 홈(74, 90)을 가지며, 상기 심블구조(50)가 홈(74, 90)상부의 축방향 거리로 펼쳐지고, 홈(74, 90)내로 원주상으로 벌지되는 것을 특징으로 하는 원자로 핵연료 집합체의 재조립 방법.A reactor fuel assembly consisting of an upper nozzle 24 with a connecting plate 32 having a control rod passage along with a control rod guide thimble structure 50 disposed axially in the passage 72, the passage 72 being a It has a circumferential groove (74, 90) inside the wall, the thimble structure (50) is spread over the axial distance above the groove (74, 90), characterized in that circumferentially bulging into the groove (74, 90) A method for reassembling a reactor fuel assembly. 제 3 항에 있어서, 상기 가이드 심블구조(50)가 심블(50)에 끼워진 슬리브를 포함하고 상기 슬리브(53, 80)가 상기 통로(72)내에서 펼쳐지고 상기 홈(74, 90)내에서 벌지되는 것을 특징으로 하는 원자로 핵연료 집합체의 재조립 방법.4. The guide thimble structure (50) according to claim 3, wherein the guide thimble structure (50) comprises a sleeve fitted in the thimble (50) and the sleeves (53, 80) are unfolded in the passage (72) and bulged in the grooves (74, 90). Method for reassembling the reactor fuel assembly, characterized in that the. 제 4 항에 있어서, 상기 슬리브(80)를 상기 통로(92)내에서 미리 정해진 축방향 위치에 자리잡기 위한 수단(96)이 마련되는 것을 특징으로 하는 원자로 핵연료 집합체의 재조립 방법.5. The method of claim 4, wherein means (96) are provided for positioning said sleeve (80) at a predetermined axial position within said passageway (92). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019830004463A 1982-09-23 1983-09-23 Recontituting a nuclear reactor fuel assembly KR910004194B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US42222482A 1982-09-23 1982-09-23
US422224 1982-09-23

Publications (2)

Publication Number Publication Date
KR840005889A true KR840005889A (en) 1984-11-19
KR910004194B1 KR910004194B1 (en) 1991-06-24

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ID=23673917

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019830004463A KR910004194B1 (en) 1982-09-23 1983-09-23 Recontituting a nuclear reactor fuel assembly

Country Status (10)

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JP (1) JPS5990081A (en)
KR (1) KR910004194B1 (en)
BE (1) BE897818A (en)
CA (1) CA1210534A (en)
DE (1) DE3330357A1 (en)
ES (1) ES8703208A1 (en)
FR (1) FR2533741B1 (en)
GB (1) GB2129189B (en)
IT (1) IT1170219B (en)
ZA (1) ZA836578B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA847032B (en) * 1983-09-30 1985-08-28 Westinghouse Electric Corp Nuclear reactor fuel assembly with a removably top nozzle
US4667547A (en) * 1984-09-26 1987-05-26 Westinghouse Electric Corp. Apparatus and method for removing a top nozzle in reconstituting a fuel assembly
SE440835B (en) * 1984-11-02 1985-08-19 Asea Atom Ab PROCEDURE INCLUDING A REMOVAL OF A VERTICAL MIDDLE AXLE AND CIRCULATED SECTION CURRENTLY EXTENDED LEADERSHIP FROM A HORIZONTAL TOP PLATE IN A NUCLEAR FUEL CARTRIDGE
US4684498A (en) * 1985-03-29 1987-08-04 Westinghouse Electric Corp. Guide thimble captured locking tube in a reconstitutable fuel assembly
US4699758A (en) * 1985-04-02 1987-10-13 Westinghouse Electric Corp. Reusable locking tube in a reconstitutable fuel assembly
US4699759A (en) * 1985-06-12 1987-10-13 Westinghouse Electric Corp. Double lock joint for attaching top nozzle to guide thimbles of nuclear fuel assembly
US4707326A (en) * 1985-07-26 1987-11-17 Westinghouse Electric Corp. Arrangement and method for attaching and reattaching a top nozzle in a reconstitutable nuclear fuel assembly
US4684500A (en) * 1985-09-12 1987-08-04 Westinghouse Electric Corp. Guide thimble captured locking tube in a reconstitutable fuel assembly
US4688416A (en) * 1985-11-12 1987-08-25 Westinghouse Electric Corp. Fixture and method for rectifying damaged guide thimble insert sleeves in a reconstitutable fuel assembly
US4699760A (en) * 1985-11-12 1987-10-13 Westinghouse Electric Corp. Fuel assembly skeleton with structural and non-structural top nozzle/guide thimble joints
US4717529A (en) * 1986-01-10 1988-01-05 Westinghouse Electric Corp. Thimble guide assembly
US4778647A (en) * 1986-02-14 1988-10-18 Westinghouse Electric Corp. Vibration-damping extender for a thimble guide
FR2597650B1 (en) * 1986-04-22 1988-07-22 Fragema Framatome & Cogema NUCLEAR FUEL ASSEMBLY INSTRUMENTATION TUBE LINING METHOD AND LINER TUBE ASSEMBLY
US5479464A (en) * 1994-08-30 1995-12-26 Westinghouse Electric Corporation Expandable top nozzle and device for securing same to a nuclear fuel assembly

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3475273A (en) * 1967-12-05 1969-10-28 Combustion Eng Nuclear reactor fuel assembly
US3791466A (en) * 1969-05-19 1974-02-12 Westinghouse Electric Corp Low parasitic capture fuel assembly structure
SE365333B (en) * 1972-06-22 1974-03-18 Asea Atom Ab
FR2479536A1 (en) * 1980-03-26 1981-10-02 Commissariat Energie Atomique IMPROVEMENTS IN GUIDE TUBES OF COMBUSTIBLE ASSEMBLIES FOR A NUCLEAR REACTOR AND METHOD FOR DISASSEMBLING THESE GUIDE TUBES
US4326921A (en) * 1980-05-16 1982-04-27 Westinghouse Electric Corp. Control rod guide thimble for nuclear reactor fuel assemblies

Also Published As

Publication number Publication date
KR910004194B1 (en) 1991-06-24
IT8322933A0 (en) 1983-09-20
IT1170219B (en) 1987-06-03
BE897818A (en) 1984-03-23
FR2533741A1 (en) 1984-03-30
JPS5990081A (en) 1984-05-24
GB2129189B (en) 1986-06-11
ZA836578B (en) 1984-06-27
FR2533741B1 (en) 1986-09-05
GB8323929D0 (en) 1983-11-02
DE3330357A1 (en) 1984-03-29
JPH0318159B2 (en) 1991-03-11
ES8703208A1 (en) 1987-02-01
ES525821A0 (en) 1987-02-01
GB2129189A (en) 1984-05-10
CA1210534A (en) 1986-08-26

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