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    • 7. 发明授权
    • Device for handling a fuel assembly
    • 用于处理燃料组件的装置
    • US08917808B2
    • 2014-12-23
    • US12440633
    • 2007-08-21
    • Sture Helmersson
    • Sture Helmersson
    • G21C19/00G21C19/04G21C19/10
    • G21C19/04G21C19/10G21Y2002/207G21Y2002/303G21Y2004/30G21Y2004/40
    • The invention refers to a device and a method for handling a fuel assembly (3), which comprises a number of fuel rods extending between a lower part and an upper part of the fuel assembly, a debris filter located in the lower part of the fuel assembly and a casing surrounding the fuel rods. The device comprises a lifting device (15) for engaging, during a lifting operation, a fuel assembly located in a reactor vessel (1) and lifting the fuel assembly upwards and out from the reactor vessel. A conduit member is connected to the upper part of the fuel assembly. A pump (32) creates a flow of water through the conduit member and the fuel assembly during the lifting operation. The flow has such a size that possible debris particles contained in and/or immediately beneath the debris filter at least are retained in and/or immediately beneath the debris filter during the lifting operation.
    • 本发明涉及一种用于处理燃料组件(3)的装置和方法,燃料组件(3)包括在燃料组件的下部和上部之间延伸的多个燃料棒,位于燃料的下部的碎屑过滤器 组件和围绕燃料棒的套管。 该装置包括提升装置(15),用于在提升操作期间接合位于反应器容器(1)中的燃料组件,并将燃料组件从反应器容器向上和向外提升。 导管构件连接到燃料组件的上部。 泵(32)在提升操作期间通过导管构件和燃料组件产生水流。 流动具有这样的尺寸,使得在提升操作期间,包含在碎屑过滤器中和/或紧邻碎片过滤器之下的可能的碎屑颗粒至少保留在碎屑过滤器的和/或紧邻下方。