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2. 发明授权

US06579438B1 Molten salt electrolytic cell having metal reservoir 失效
标题翻译：具有金属储存层的熔盐电解槽
公开(公告)号：US06579438B1
公开(公告)日：2003-06-17
申请号：US09720248
申请日：2001-06-12
申请人： David K. Creber , Jorgen Christensen , Meine Vandermeulen , Pasquale Ficara , George C. Holywell
发明人： David K. Creber , Jorgen Christensen , Meine Vandermeulen , Pasquale Ficara , George C. Holywell
IPC分类号： C25C308
CPC分类号： C25C3/04 , C25C7/005
摘要： An electrolysis cell (10) for producing a molten metal having a density less than a density of a molten electrolyte used for producing the metal in the cell. The cell includes a section (14) for the electrolysis of a salt of the the metal contained in a molten electrolyte to form droplets of the metal in molten form contained in the electroylte; electrodes (18) within the electrolysis section for effecting the electrolysis; a metal recovery section (15) for separation of the metal from the electrolyte to form a molten metal layer, having an upper suface, floating on an upper surface of the molten electrolyte; a tapping device for periodically removing molten metal from the cell; and a reservoir (25) for withdrawal and temporary holding of molten metal separated from the electrolyte in the metal recovery section. The reservoir has a means to remove liquid from the reservoir without permanently removing the liquid from the cell. The reservoir has a top, sides and bottom and has one or more openings in the top or sides of the container communicating with the metal recovery section. At least part of the opening(s) is maintained below the upper surface (71) of the metal layer during at least part of normal cell operations, and all of the opening(s) is kept above the upper surface of the electrolyte in the metal recovery section for at least part of the normal cell operation. The sides and bottom are otherwise closed to prevent metal or electrolyte from freely flowing between the metal recovery section and the reservoir. The cell containing such a reservoir may accommodate high rates of metal production without unduly increasing cell size or requiring high heating requirements.
摘要翻译：一种用于生产密度小于用于在电池中制造金属的熔融电解质的密度的熔融金属的电解槽（10）。电池包括用于电解包含在熔融电解质中的金属的盐的部分（14），以形成包含在电极中的熔融形式的金属液滴; 用于进行电解的电解部分内的电极（18）; 金属回收部分（15），用于将金属与电解质分离以形成熔融金属层，具有漂浮在熔融电解质的上表面上的上表面; 用于周期性地从电池中去除熔融金属的攻丝装置; 以及用于在金属回收部分中从电解质分离的熔融金属的取出和临时保持的储存器（25）。储存器具有从储存器中移除液体而不永久地从池中去除液体的装置。储存器具有顶部，侧面和底部，并且在容器的顶部或侧面中具有与金属回收部分连通的一个或多个开口。在正常电池操作的至少部分期间，至少部分开口保持在金属层的上表面（71）的下方，并且所有开口都保持在电解质的上表面之上金属回收部分用于正常电池操作的至少一部分。侧面和底部以其他方式封闭，以防止金属或电解质在金属回收部分和储存器之间自由流动。包含这种储存器的电池可以容纳高速率的金属生产，而不会不适当地增加电池尺寸或需要高的加热要求。

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