KR890007301A - 파편-저지 하단 노즐 - Google Patents

파편-저지 하단 노즐 Download PDF

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Publication number
KR890007301A
KR890007301A KR1019880012938A KR880012938A KR890007301A KR 890007301 A KR890007301 A KR 890007301A KR 1019880012938 A KR1019880012938 A KR 1019880012938A KR 880012938 A KR880012938 A KR 880012938A KR 890007301 A KR890007301 A KR 890007301A
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KR
South Korea
Prior art keywords
debris
plate
cross
cut
jersey
Prior art date
Application number
KR1019880012938A
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English (en)
Inventor
에모리 드라리오 에드먼드
Original Assignee
디. 알. 래키
웨스팅하우스 일렉트릭 코오포레이숀
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 디. 알. 래키, 웨스팅하우스 일렉트릭 코오포레이숀 filed Critical 디. 알. 래키
Publication of KR890007301A publication Critical patent/KR890007301A/ko

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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
    • G21C3/02—Fuel elements
    • G21C3/04—Constructional details
    • 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
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
    • G21C19/28—Arrangements for introducing fluent material into the reactor core; Arrangements for removing fluent material from the reactor core
    • G21C19/30—Arrangements for introducing fluent material into the reactor core; Arrangements for removing fluent material from the reactor core with continuous purification of circulating fluent material, e.g. by extraction of fission products deterioration or corrosion products, impurities, e.g. by cold traps
    • G21C19/307—Arrangements for introducing fluent material into the reactor core; Arrangements for removing fluent material from the reactor core with continuous purification of circulating fluent material, e.g. by extraction of fission products deterioration or corrosion products, impurities, e.g. by cold traps specially adapted for liquids
    • 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)
  • Solid Fuels And Fuel-Associated Substances (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

내용 없음

Description

파편-저지 하단 노즐
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명을 따른 파편-저지 하단 노즐을 포함하는 연료집합체의 부분적으로 분해된 정면도이며, 연료집합체는 명료성을 위해 절개된 부품과 수직으로 단축된 형상으로 예시된다.
제3도는 본 발명을 실시하는 파편-저지 하단 노즐의 확대 상측 평면도.
제4도는 제3도의 파편-저지 하단 노즐의 상단 좌측 코너의 확대 상측 평면도.

Claims (8)

  1. 노심판이 그내에 형성된 냉각제 입구 홀(52)을 가지는 원자로서 하단 노심판에 하단 노즐을 지지하기위한 지지수단(42)과, 하단 노즐이 노심판에 지지될때 상기 노심판(14)에 걸쳐서 뻗으면 지지수단에 연결되는(46)으로 구성되는 연료-봉 지지그리드(20)를 포함하는 연로집합체용 파편-저지 하단 노즐(12)에 있어서, 판(46)은 하단노즐이 노심판(14)에 지지될때 상기 냉각제 입구 홀(52)의 각 하나와 직접 정렬되는 위치에서 판내에 형성된 상호적으로 일정한 간격의 컷-아웃 영역(50)과 함께 대체로 고체 형상을 가지며, 각 컷-아웃 영역(50)은 연결된 컷-아웃 영역에 걸쳐서 뻗으며 상기 판(46)에 대해 부착된 분리개방 십자형 구조물(54)을 연결하며, 각 십자형 구조물(54)은 다수의 개개의 개구(56)를 한정하며 각 개구는 연료봉을 지지하는 지지그리드(20)의 최하위 그리드의 점유되지 않은 공간을 통해 자유롭게 통과하기에 너무 큰 냉각제-수반되는 파편을 여과하기 위해 충분히 작은 단면적이며, 비손상을 유도하는 크기의 파편을 통과하기 충분히 큰 단면적이며 최하위 지지그리드 점유되지 않은 공간을 통해 자유롭게 통과할 수 있는 것을 특징으로 하는 파편-저지 하단 노즐
  2. 제1항에 있어서, 각 상기 컷-아웃 영역(50)은 하단노심판(14)의 연결된 입구 홀(52)과 실제로 동일한 크기를 가지는 것을 특징으로 하는 파편-저지 하단 노즐
  3. 제1항에 있어서, 상기 컷-아웃영역(50)의 적어도 하나는 한 컷-아웃영역(50)에 뻗으며 연결된 십자형 구조물(54)에 대해 및 상기 판에 대해 부착되는 안내-딤블 하단 지지 구조물(60)을 연결하는 것을 특징으로 하는 파편-저지 하단 노즐.
  4. 제1항에 있어서, 상기 컷-아웃영역(50)의 적어도 하나는 한 컷-아웃영역(50)에 뻗으며 연결된 십자형 구조물(54)에 대해 부착되는 안내-딤블 하단 지지 구조물(60)을 연결하는 것을 특징으로 하는 파편-저지 하단 노즐.
  5. 제4항에 있어서, 상기 십자형 구조물(54)은 개방 그리드를 다수 삽입 스트랩 (58)의 형상인 것을 특징으로 하는 파편-저지 하단 노즐.
  6. 제4항에 있어서, 상기 십자형 구조물(54)은 개방 그물 구조물을 형성하는 다수의 상호 연결된 십자형 와이어(64)의 형상인 것을 특징으로 하는 파편-저지 하단 노즐.
  7. 제6항에 있어서, 상기 판(46)은 컷-아웃 영역(50)으로부터 일정한 간격위치에서 판내에 형성된 한 압력-하락 감소하는 유동 홀(66)을 가지는 것을 특징으로 하는 파편-저지 하단 노즐.
  8. 제7항에 있어서, 각 십자형 구조물(54)은 상기 판(46)의 평면내에 연결된 컷-아웃 영역(50)에 걸쳐서 뻗는 것을 특징으로 하는 파편-저지 하단 노즐.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880012938A 1987-10-05 1988-10-04 파편-저지 하단 노즐 KR890007301A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US104,748 1987-10-05
US07/104,748 US4828791A (en) 1987-10-05 1987-10-05 Nuclear fuel assembly debris resistant bottom nozzle

Publications (1)

Publication Number Publication Date
KR890007301A true KR890007301A (ko) 1989-06-19

Family

ID=22302158

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880012938A KR890007301A (ko) 1987-10-05 1988-10-04 파편-저지 하단 노즐

Country Status (6)

Country Link
US (1) US4828791A (ko)
EP (1) EP0311037B1 (ko)
JP (1) JP2650212B2 (ko)
KR (1) KR890007301A (ko)
DE (1) DE3878380D1 (ko)
ES (1) ES2037785T3 (ko)

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Also Published As

Publication number Publication date
JPH01161192A (ja) 1989-06-23
DE3878380D1 (de) 1993-03-25
ES2037785T3 (es) 1993-07-01
EP0311037A3 (en) 1990-04-11
EP0311037B1 (en) 1993-02-10
EP0311037A2 (en) 1989-04-12
US4828791A (en) 1989-05-09
JP2650212B2 (ja) 1997-09-03

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