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    • 1. 发明申请
    • METHOD FOR MAKING ANODES FOR ALUMINUM PRODUCTION BY FUSED-SALT ELECTROLYSIS, RESULTING ANODES AND USE THEREOF
    • 通过熔盐处理阳极制备铝生产阳极的方法及其用途
    • WO2007132081A3
    • 2008-08-07
    • PCT/FR2007000784
    • 2007-05-10
    • ECLDEMEULENAERE LUDOVICVAN ACKER ALAINLESCARCELLE DIDIER
    • DEMEULENAERE LUDOVICVAN ACKER ALAINLESCARCELLE DIDIER
    • C25C3/12
    • C25C3/125Y10T29/53204
    • The invention concerns a method for making anodes used for aluminum production by fused-salt electrolysis, said anodes comprising an anode rod made of conductive metal and at least one carbon-containing block (21), or anode block. Said method includes at least the following steps: a) providing an anode rod; b) providing a new anode block; c) fixing one end of the anode rod on the anode block, so as to provide proper mechanical engagement and proper electrical connection between said rod and said anode block. Said method is characterized in that, before, during or after step c) but before installing said anode in the electrolytic cell, it consists, at least on part of the upper surface of said anode block, in depositing a protective layer (10) of controlled thickness, typically between 5 and 25 cm, consisting of a material resistant to the temperature and to the corrosion by the environment prevailing above the electrolytic solution.
    • 本发明涉及一种通过熔盐电解制备用于制铝的阳极的方法,所述阳极包括由导电金属制成的阳极棒和至少一个含碳块(21)或阳极块。 所述方法至少包括以下步骤:a)提供阳极棒; b)提供新的阳极块; c)将阳极杆的一端固定在阳极块上,以便在所述杆和所述阳极块之间提供适当的机械接合和适当的电连接。 所述方法的特征在于,在步骤c)之前,期间或之后,但是在将所述阳极安装在电解池中之前,其至少部分地由所述阳极块的上表面在沉积保护层(10) 通常为5至25厘米的控制厚度,由耐温度和电解溶液上方环境腐蚀的材料组成。
    • 2. 发明申请
    • METHOD FOR REMOVING ANODE RESIDUES ATTACHED TO SPENT ANODES COMING FROM MELT BATH ELECTROLYSIS POTLINES
    • 用于移除附着在来自熔融浴电解槽的阳极的阳极残留物的方法
    • WO2007080264A3
    • 2007-12-21
    • PCT/FR2006002730
    • 2006-12-14
    • ECLLESCARCELLE DIDIER
    • LESCARCELLE DIDIER
    • C25C3/06C25C3/12
    • C25C3/06C25C3/125Y10T29/4973Y10T29/53278
    • Method for extracting the anode butt (110) and the thimbles (130) attached to a spent anode or a scrapped fresh anode, comprising the following steps: (a) placing the butt (110) between a stop device (200) and an attacking device (300), said stop device having a first stop (211) blocking the butt, said attacking device being provided, around each rod, with a recess having a second stop that blocks said thimbles, the axial distance between the stops being equal to or greater than the height of the thimbles; b) displacement of the butt so that it comes up against the first stop; c) displacement of the attacking device; the butt fragments; d) removal of the butt fragments; e) continuation of the attacking device displacement; the thimbles are detached from the rods; f) the attacking device is stopped and withdrawn. In two well-separated successive steps, the butt fragments and the thimbles become detached, drop off and can be sent directly to a specific recycling shop.
    • 用于提取连接到废阳极或报废的新鲜阳极上的阳极对接(110)和套管(130)的方法,包括以下步骤:(a)将所述对接物(110)放置在停止装置(200)和攻击 装置(300),所述止动装置具有阻挡所述屁股的第一止动件(211),所述攻击装置围绕每个杆设置有具有阻塞所述套管的第二止挡件的凹部,所述止动件之间的轴向距离等于 或大于套管的高度; b)屁股的移位,使其抵抗第一站; c)攻击装置的位移; 屁股碎片 d)去除屁股碎片; e)继续攻击装置的位移; 套管与杆分离; f)攻击装置停止并撤回。 在两个分开的连续步骤中,屁股碎片和套管变得分离,掉落,可以直接发送到特定的回收店。