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    • 4. 发明授权
    • Method of making cathodes
    • 阴极制作方法
    • US4031615A
    • 1977-06-28
    • US703265
    • 1976-07-07
    • Daniel DumasGerard Hudault
    • Daniel DumasGerard Hudault
    • B22D19/00B22D19/04C25B9/04C25C3/08C25C3/16H01R9/02
    • C25C3/08C25C3/16Y10T29/49213Y10T29/4998Y10T29/49993
    • The invention concerns an improved method of interconnecting carbon blocks intended for the construction of cathodes in cells for electrolysis of aluminum and the steel bars which connect these blocks to the source of current. The method comprises forming the current supplying bars in two portions or half-bars which are housed in channels provided in the carbon blocks, the half-bars being rigidly connected to the blocks by bedding with cast iron or steel. One or more anchoring points provided near the end of the blocks holds the half-bars in position, while the ends of the bars near the middle of the blocks can expand freely in zones left for the purpose.
    • 本发明涉及一种改进的用于将用于电解铝的电池中的阴极构造的碳块与将这些块连接到电流源的钢棒相互连接的方法。 该方法包括将电流供应棒形成在两个部分或半条中,这两个部分或半条被容纳在设置在碳块中的通道中,半棒通过用铸铁或钢被床垫刚性地连接到块上。 设置在块的端部附近的一个或多个固定点将半棒保持在适当位置,而靠近块的中间的杆的端部可以在为此目的而离开的区域中自由扩展。
    • 6. 发明授权
    • Arrangement to prevent the molten core of a nuclear reactor from
penetrating into the ground
    • 防止核反应堆的熔芯渗入地面的布置
    • US4978496A
    • 1990-12-18
    • US327802
    • 1989-02-06
    • Daniel DumasGeorge Hoynant
    • Daniel DumasGeorge Hoynant
    • G21C9/016
    • G21C9/016Y02E30/40
    • An arrangement is disclosed for preventing the molten corium of a nuclear reactor from penetrating into the ground. The reactor is supported by a concrete raft bearing on the ground, and inserted in the raft is a retaining basin having an upper portion of refractory material which is chemically inert towards the constituents of the corium oriented toward the corium, and a lower portion made of a refractory material with a heat conductivity much greater than that of the upper portion. Generally the upper layer of the retaining basin will be made of zirconia and the lower layer will be made of graphite. Disposed between the reactor and the retaining basin is a means for deflecting the vertical attack of corium on the basin and spreading out the corium, comprising a plurality of concentric cavities, each successive cavity having a greater outer diameter than that of the preceding cavity and having a center located at a greater vertical distance from the reactor than the preceding cavity.
    • PCT No.PCT / FR88 / 00293 Sec。 371日期1989年2月6日 102(e)日期1989年2月6日PCT Filed 1988年6月9日PCT公布。 出版物WO88 / 09998 日期为1988年12月15日。公开了用于防止核反应堆的熔融金属渗入地下的布置。 反应器由地面上的混凝土筏支承支撑,并且插入筏中是一个保持盆,其具有耐火材料的上部,该耐火材料的上部对于朝向该蕊的朝向朝向该ium的朝向的ium的组分是化学惰性的,下部由 导热系数大于上部的耐热材料。 通常,保持盆的上层由氧化锆制成,下层由石墨制成。 设置在反应器和保持盆之间的装置是用于使凹槽上的腐蚀物的垂直攻击偏转并扩散出包括多个同心腔的凹槽的装置,每个相继的空腔的外径大于先前空腔的外径,并具有 位于距离反应堆更大的垂直距离的中心比先前的空腔。