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    • 4. 发明授权
    • Manufacturing method of control rod for boiling water reactor
    • 沸水反应堆控制棒的制造方法
    • US6028906A
    • 2000-02-22
    • US134817
    • 1998-08-17
    • Norio KawashimaYasuyuki GotohAkira KoizumiKouichi MachidaYoshiharu KikuchiTakayoshi YasudaYoshitaka Nishino
    • Norio KawashimaYasuyuki GotohAkira KoizumiKouichi MachidaYoshiharu KikuchiTakayoshi YasudaYoshitaka Nishino
    • G21C21/18G21C7/10G21C7/113
    • G21C7/113Y02E30/31Y02E30/39
    • The present invention relates to a control rod installed in a boiling water reactor (BWR), and particularly to a control rod using metal. An object of the present invention is to provide a manufacturing method of a control rod for a boiling water reactor, having excellent corrosion resistance in high temperature water and excellent wear resistance at the time of fabrication, and in which the influence of the manufacturing process is slight. In order to achieve the above described object, the present invention provides a manufacturing method of a control rod for a boiling water reactor constructed with sheaths having a U-shaped cross section attached to each end of a tie rod having a cruciform cross section, and rod, plate or oval tube cross section metal hafnium type neutron absorber material contained inside the sheaths, in which an anodized film is provided on a surface of the neutron absorber material as a pre-process of assembly of the neutron absorber material in the structure of the control rod.
    • 本发明涉及安装在沸水反应器(BWR)中的控制棒,特别涉及一种使用金属的控制棒。 本发明的目的是提供一种用于沸水反应器的控制棒的制造方法,其在高温水中具有优异的耐腐蚀性,并且在制造时具有优异的耐磨性,并且其中制造过程的影响是 轻微。 为了实现上述目的,本发明提供了一种用于沸水反应器的控制棒的制造方法,该沸水反应器的控制棒由具有连接到具有十字形截面的拉杆的每个端部的具有U形横截面的护套构成,以及 杆,板或椭圆管截面金属铪型中子吸收体材料,其包含在护套内部,其中阳极化膜设置在中子吸收体材料的表面上,作为中子吸收体材料在结构中的组装的预处理 控制杆。