Nuclear fuel assembly debris filter bottom nozzle

원자로 연료 조립체의 이물질 필터 바닥 노즐

Abstract

손상을 줄 가능성이 있는 이물질을 거르기 위해 어댑터판 내의 유동 관통공과 결합된 물결모양의 스크린을 채용하는 가압 수형 원자로 연료 조립체용 이물질 필터 바닥 노즐이다. 스크린과 어댑터판 사이의 영역은 이물질의 수집장소인 플리넘을 형성하고 냉각제 접근은 노즐의 측벽과 스크린의 구멍을 관통하여 플리넘에 제공된다.
PURPOSE: A foreign substance filter bottom nozzle of a nuclear reactor fuel assembly is provided to prevent the fuel assembly from being damaged, by filtering foreign substances before cooling agent leaves the bottom nozzle. CONSTITUTION: A plurality of long nuclear fuel rod(22) have extended axial direction length. At least one lower most grid(20) supports the fuel rod. The lower most grid has an empty space inside to flow a fluid cooling agent through the fuel rod. A plurality of guide thimbles(18) support the grid, and are prolonged to penetrate through the fuel rod. A foreign substance filter bottom nozzle(12) is arranged below the grid and below the bottom part of the fuel rod. The foreign substance filter bottom nozzle supports the guide thimble.

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Cited By (1)

    Publication numberPublication dateAssigneeTitle
    KR-101113448-B1February 29, 2012웨스팅하우스 일렉트릭 컴퍼니 엘엘씨원자로 연료 조립체의 이물질 필터 바닥 노즐