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    • 5. 发明授权
    • Compact reaction cell for homogenizing and down-blanding highly enriched
uranium metal
    • 用于均匀化和降低高浓度铀金属的紧凑反应池
    • US5411722A
    • 1995-05-02
    • US141753
    • 1993-10-27
    • William McLean, IIPhilip E. MillerJames A. Horton
    • William McLean, IIPhilip E. MillerJames A. Horton
    • B01J8/18B01J19/24C01G43/01C01G43/00
    • C01G43/01B01J19/2415B01J8/1836B01J8/1845B01J2219/00063B01J2219/00108B01J2219/00164
    • The invention is a specialized reaction cell for converting uranium metal to uranium oxide. In a preferred form, the reaction cell comprises a reaction chamber with increasing diameter along its length (e.g. a cylindrical chamber having a diameter of about 2 inches in a lower portion and having a diameter of from about 4 to about 12 inches in an upper portion). Such dimensions are important to achieve the necessary conversion while at the same time affording criticality control and transportability of the cell and product. The reaction chamber further comprises an upper port and a lower port, the lower port allowing for the entry of reactant gasses into the reaction chamber, the upper port allowing for the exit of gasses from the reaction chamber. A diffuser plate is attached to the lower port of the reaction chamber and serves to shape the flow of gas into the reaction chamber. The reaction cell further comprises means for introducing gasses into the reaction chamber and a heating means capable of heating the contents of the reaction chamber.The present invention also relates to a method for converting uranium metal to uranium oxide in the reaction cell of the present invention.The invention is useful for down-blending highly enriched uranium metal by the simultaneous conversion of highly enriched uranium metal and natural or depleted uranium metal to uranium oxide within the reaction cell.
    • 本发明是用于将铀金属转化为氧化铀的专用反应池。 在优选的形式中,反应池包括沿其长度增加直径的反应室(例如,在下部具有直径约2英寸的圆柱形室,并且在上部具有约4​​至约12英寸的直径 )。 这种尺寸对于实现必要的转化是重要的,同时提供电池和产品的关键性控制和可运输性。 反应室还包括上端口和下端口,下端口允许反应物气体进入反应室,上端口允许气体从反应室排出。 扩散板连接到反应室的下部端口,用于使气体流入反应室。 反应池还包括用于将气体引入反应室的装置和能够加热反应室内容物的加热装置。 本发明还涉及在本发明的反应池中将铀金属转化为氧化铀的方法。 本发明可用于通过将高浓缩铀金属和天然或贫化铀金属同时转化成反应池内的氧化铀来降低高浓度铀金属。