公开(公告)号：US20080029403A1

公开(公告)日：2008-02-07

申请号：US11776127

申请日：2007-07-11

申请人： J. Ramaswamy ,  P. Divakaran

发明人： J. Ramaswamy ,  P. Divakaran

IPC分类号： C25D3/66

CPC分类号： C25C3/16 ,  C25C3/20

摘要： A method of taking inoperative pot online using fuse in an aluminium manufacturing plant operating on electrolysis process is disclosed. The manufacturing plant comprises of plurality of electrolysis cells or pots connected in series. Some of the pots are kept off line during start up of the plant by shorting the risers of the non running pots to the cathode bus bar (31) by shorted joints (11). The method comprises, connecting fuse assemblies in parallel with the shorted joints; inserting insulating insert plates between the risers and the short circuit bus bars and securing the insulating insert plates to isolate the short circuit bus bars from the risers (14) such that the total rated current passes through the fuse assemblies. The fuse elements in the fuse assemblies melt within about 8 to 10 minutes, completely isolating the short circuit bus bars from the risers such that the risers now feed the current to the anode assemblies of the non running pot. Feeding of charge to the non running pot is the started, thus taking the non running pot on line.

摘要翻译： 公开了一种在电解工艺中操作的铝制工厂中使用保险丝在线使用在线锅炉的方法。 该制造工厂包括串联连接的多个电解电池或电池。 通过短路接头（11）将非运行盆的立管短路到阴极汇流条（31），在工厂启动期间将一些锅放置在离线状态。 该方法包括：将熔丝组件与短路接头并联连接; 在所述立管和所述短路母线之间插入绝缘插入板，并固定所述绝缘插入板以使所述短路母线与所述立管（14）隔离，使得所述总额定电流通过所述保险丝组件。 保险丝组件中的保险丝元件在约8至10分钟内熔化，从而将短路母线与立管完全隔离，使得立管现在将电流馈送到非流动罐的阳极组件。 向非运行的锅进料是启动的，因此将非运行罐放在一起。

公开(公告)号：US20100155259A1

公开(公告)日：2010-06-24

申请号：US12317248

申请日：2008-12-19

申请人： J. Ramaswamy ,  G. Narendra Kumar

发明人： J. Ramaswamy ,  G. Narendra Kumar

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。