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1. 发明公开

KR1020080088398A 핵연료봉 클래딩의 외부에 가연성 독물을 가하는 방법 有权
标题翻译：将可燃毒素应用于核燃料瓶颈外部的方法
公开(公告)号：KR1020080088398A
公开(公告)日：2008-10-02
申请号：KR1020080023172
申请日：2008-03-13
申请人： 웨스팅하우스 일렉트릭 컴퍼니 엘엘씨
发明人： 라호다,에드워드제이. , 준커,워렌알. , 라로우,존피. , 콘게도,토마스브이.
IPC分类号： G21C3/07 , G21C21/02
CPC分类号： G21C3/07 , G21C7/04 , G21C21/00 , G21Y2002/304 , G21Y2004/30 , G21Y2004/40 , Y02E30/39
摘要： A method of applying burnable poison to an exterior of a nuclear fuel rod cladding is provided to prevent an inside of a nuclear fuel rod from being excessively pressed due to a helium gas by using boron as a portion of the poison. A method of applying burnable poison to an exterior of a nuclear fuel rod cladding(35) includes the steps of: supplying a nuclear fuel rod(2) including an axis(4) and an outer surface(6) of the cladding with or without a surface oxide and a surface deposit; supplying at least one application device(8) adjacent to the outer surface of the nuclear fuel rod; rotating the nuclear fuel rod around the axial line or moving the at least one application device and holding the rod; removing at least a portion of the oxide and the surface deposit on the outer surface of the nuclear fuel rod by spraying an abrasive material to the surface of the nuclear fuel rod; and applying burnable poison particles(33) to the outer surface of the nuclear fuel rod by spraying a plurality of layers of burnable poison particles to the surface of the nuclear fuel rod.
摘要翻译：提供了向核燃料棒包层的外部施加可燃毒物的方法，以通过使用硼作为毒药的一部分来防止核燃料棒的内部由于氦气而被过度压制。将可燃毒物施加到核燃料棒包层（35）的外部的方法包括以下步骤：提供包括有或没有包层的包层的轴（4）和外表面（6）的核燃料棒（2）表面氧化物和表面沉积物; 供应邻近核燃料棒的外表面的至少一个施加装置（8）; 使核燃料棒绕轴线旋转或移动至少一个施加装置并保持杆; 通过将研磨材料喷射到核燃料棒的表面，去除至少一部分氧化物和表面沉积在核燃料棒的外表面上; 并通过将多层可燃毒物颗粒喷射到核燃料棒的表面，将可燃毒物颗粒（33）施加到核燃料棒的外表面。

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