HYDROGEN GAS DIFFUSION ANODE ARRANGEMENT PRODUCING HCL
    81.
    发明申请
    HYDROGEN GAS DIFFUSION ANODE ARRANGEMENT PRODUCING HCL 审中-公开
    氢气扩散阳极安排生产HCL

    公开(公告)号:US20150345038A1

    公开(公告)日:2015-12-03

    申请号:US14438979

    申请日:2014-02-14

    发明人: Joël FOURNIER

    IPC分类号: C25C7/02 C25C1/02 C25C7/06

    摘要: The present description relates to an anode arrangement for use in an electrolysis production of metals comprising an anode having a hollow body comprising a cavity, the body having at least one gas outlet connected in flow communication with the cavity. A gas inlet is connected in fluid flow communication with the cavity of the anode, the gas inlet being connectable to a source of hydrogen gas for feeding hydrogen gas into the cavity of the anode. The anode arrangement also comprises an electrical connector and a hydrogen chloride (HCl) recuperator surrounding at least a portion of the anode for recovering HCl gas released through the at least one gas outlet at an outer surface of the anode during electrolysis.

    摘要翻译: 本说明书涉及用于电解生产金属的阳极装置,其包括具有中空体的阳极,所述中空体包括空腔,该主体具有与空腔流动连通地连接的至少一个气体出口。 气体入口与阳极的空腔流体连通地连接,气体入口可连接到氢气源,用于将氢气进入阳极的空腔。 阳极布置还包括电连接器和围绕阳极的至少一部分的氯化氢(HCl)换热器,用于回收在电解期间在阳极的外表面处通过至少一个气体出口释放的HCl气体。

    Process for changing a spent anode
    82.
    发明授权
    Process for changing a spent anode 有权
    改变废阳极的工艺

    公开(公告)号:US08808526B2

    公开(公告)日:2014-08-19

    申请号:US13513483

    申请日:2010-10-19

    IPC分类号: C25C3/22

    摘要: The process involves pouring a smothering powder onto a spent anode placed on a support to cover it, with the aim of limiting fluorinated gas emission by the anode. The support may include a temporary tank, pre-filled with powder and provided with an opening for discharging the powder towards the anode on the support.

    摘要翻译: 该方法包括将窒息粉末倾倒在放置在支撑体上的废阳极上以覆盖它,目的是限制阳极的氟化气体排放。 支撑件可以包括预填充有粉末的临时罐,并且设置有用于将粉末朝向支撑件上的阳极排出的开口。

    DRY CELL START-UP OF AN ELECTROLYTIC CELL FOR ALUMINUM PRODUCTION
    84.
    发明申请
    DRY CELL START-UP OF AN ELECTROLYTIC CELL FOR ALUMINUM PRODUCTION 有权
    用于生产铝的电解槽的干细胞启动

    公开(公告)号:US20140076733A1

    公开(公告)日:2014-03-20

    申请号:US14117787

    申请日:2012-05-18

    IPC分类号: C25C3/06 C25C7/06

    CPC分类号: C25C3/06 C25C7/06

    摘要: A method for starting up an electrolytic cell (20) for aluminum production having a cathode block (26) with an upper surface (32), the method comprising: disposing contact resistance material (46) over the upper surface (32) of the cathode block (26); lowering a plurality of anodes (28) to abut the contact resistance material (46); filling the electrolytic cell (20) and covering the anodes (28) with solid electrolyte material (72) comprising crushed electrolytic bath material, cryolite, or mixtures thereof; delivering electrical current to the anodes (28) to at least partially melt the solid electrolyte material (72) and raising the anodes (28) when a predetermined depth of molten electrolyte material has been reached.

    摘要翻译: 一种用于启动具有上表面(32)的阴极块(26)的用于铝生产的电解槽(20)的方法,所述方法包括:将接触电阻材料(46)设置在阴极的上表面(32)上方 块(26); 降低多个阳极(28)以抵靠接触电阻材料(46); 用固体电解质材料(72)填充电解池(20)并覆盖阳极(28),包括破碎的电解浴材料,冰晶石或其混合物; 当已经达到预定深度的熔融电解质材料时,向阳极(28)输送电流以至少部分地熔化固体电解质材料(72)并升高阳极(28)。

    PRODUCTION OF SPECIALTY ALUMINUM ALLOYS USING PARTITION OF FEED IMPURITIES
    85.
    发明申请
    PRODUCTION OF SPECIALTY ALUMINUM ALLOYS USING PARTITION OF FEED IMPURITIES 审中-公开
    使用分割饲料生产特种铝合金

    公开(公告)号:US20130220823A1

    公开(公告)日:2013-08-29

    申请号:US13595589

    申请日:2012-08-27

    IPC分类号: C25C3/06 C25C3/26

    摘要: A series of inventions leading to the production of specific aluminum alloys (especially aluminum beverage can sheet product) through novel approach of introducing, selectively partitioning and managing alloying elements. This invention also enables manufacturing practices to enhance the performance characteristics of aluminum alloys produced. The selected elements can be derived from carbon anodes made from calcined petroleum coke with high metallic contents (such as nickel and vanadium). Alloying elements can also be introduced and managed from other raw material such as alumina and bath constituents added during aluminum smelting process. Additionally, cell operating parameters, such as cell temperature, off gas flow rate, aluminum tapping rate and impurity partition characteristics can also be manipulated to produce low cost aluminum alloys and facilitate utilization of high metallic content calcined petroleum coke.

    摘要翻译: 一系列通过引入,选择性分配和管理合金元素的新方法生产特定铝合金(特别是铝饮料罐板产品)的发明。 本发明还使制造实践能够增强所生产的铝合金的性能特征。 所选择的元素可以衍生自具有高金属含量(例如镍和钒)的煅烧石油焦炭制成的碳阳极。 合金元素也可以在铝冶炼过程中添加的其他原料如氧化铝和浴组分引入和管理。 此外,还可以操纵诸如电池温度,废气流量,铝出钢速率和杂质分配特性的电池操作参数以产生低成本的铝合金并促进高金属含量煅烧石油焦炭的利用。

    DEVICE FOR COLLECTING THE SOLID DEBRIS IN THE BATH AND THE MOLTEN METAL OF AN ELECTROLYTIC POT DESIGNED FOR THE PRODUCTION OF ALUMINUM, BY SCRAPING OF THE BOTTOM OF SAID POT
    87.
    发明申请
    DEVICE FOR COLLECTING THE SOLID DEBRIS IN THE BATH AND THE MOLTEN METAL OF AN ELECTROLYTIC POT DESIGNED FOR THE PRODUCTION OF ALUMINUM, BY SCRAPING OF THE BOTTOM OF SAID POT 审中-公开
    用于收集浴中固体脱落物的设备和设计用于生产铝的电解质粉末的金属粉末,通过清除酸性底部的底部

    公开(公告)号:US20120047668A1

    公开(公告)日:2012-03-01

    申请号:US13319470

    申请日:2010-05-10

    IPC分类号: B08B1/00

    摘要: Collection unit, in particular a crust shovel designed to clean the anode holes, including a mobile vertical mast actuated by a first actuator, a frame fixed onto said mobile vertical mast and at least one articulated bucket, characterized in that said first actuator is at least one hydraulic jack fed by an hydraulic system arranged so that, at least when a second actuator actuates said bucket, the oil pressure in the chamber on the rod side is maintained at a substantially constant value making it possible to support a load corresponding to the weight of said collection unit, less a load of predetermined value, preferably lower than 1000 daN, and typically ranging between 200 and 600 daN. Advantageously, the portion of circuit feeding said chamber on the rod side is provided with a pressure regulator. With such a device, the debris may be collected by scraping the bottom of the cell without damaging it.

    摘要翻译: 收集单元,特别是设计用于清洁阳极孔的外壳铲,包括由第一致动器致动的移动垂直杆,固定到所述移动垂直杆和至少一个铰接铲斗上的框架,其特征在于,所述第一致动器至少为 一个由液压系统供给的液压千斤顶,其布置成使得至少当第二致动器致动所述铲斗时,杆侧上的腔室中的油压保持在基本上恒定的值,使得可以支撑对应于重量的载荷 的所述收集单元,减去预定值的负载,优选地低于1000daN,并且通常在200和600daN之间。 有利的是,在杆侧进给所述腔室的电路部分设置有压力调节器。 使用这样的装置,可以通过刮擦电池的底部而不损坏碎屑来收集碎屑。

    Process for online power cut out of an aluminum reduction cell
    89.
    发明申请
    Process for online power cut out of an aluminum reduction cell 审中-公开
    在铝电解槽中断电的过程

    公开(公告)号:US20100155259A1

    公开(公告)日:2010-06-24

    申请号:US12317248

    申请日:2008-12-19

    IPC分类号: C25C7/06 C25C3/06

    CPC分类号: C25C3/06

    摘要: A process for online cut out of an aluminum reduction cell (pot) including the steps of leveling of the side beams of the reduction cell to around 150 mm; punching holes on both sides of the pot to ensure that the bath does not get overflow and ensure the dipping of the anodes through these punch holes; blowing air thoroughly all around the insulated shorted joints of all the risers to clean the joints from dust and large chunks of bath; applying lubricating oil to the shorted joint bolts to conform proper movement of nuts; breaking the side crust of all the four corner anodes; tapping the bath with at least one ladle; lowering the anodes such that there is no liquid overflow over the deck plate onto the catwalk; lowering of the beam by around 70 mm to 100 mm until the voltage falls below around 1.0 V-1.5 V at around 320 kA; loosening all riser bolts of the shorted joint of all the five risers using a pneumatic wrench after confirming that the anodes are dipped into the metal; removing insulated insert plates from the shorted anode riser joints and retightening all the five riser bolts using a pneumatic wrench and then taking the pot offline.

    摘要翻译: 一种在线切割铝还原电池(电池)的方法,包括将还原电池的侧梁调平至150mm的步骤; 在锅的两侧冲孔,以确保浴液不会溢出,并确保阳极通过这些冲孔浸入; 将所有提升管的绝缘短接头周围的空气彻底吹出,以清洁灰尘和大块浴缸的接头; 将润滑油施加到短路接头螺栓上以使螺母正确运动; 打破所有四个角阳极的侧面地壳; 用至少一个钢包轻敲浴缸; 降低阳极,使得甲板上没有液体溢出到时装表演上; 将光束降低大约70mm至100mm,直到电压在约320kA下降到低于1.0V-1.5V附近; 在确认阳极浸入金属后,使用气动扳手松开所有五个立管的短路接头的所有提升螺栓; 从短路的阳极提升管接头上拆下绝缘插入板,并使用气动扳手重新拧紧所有五个提升螺栓,然后将罐放下。