Method and device for aluminium electrolytic bath short circuit power cut
A technology of aluminum electrolytic cell and pressing device, which is applied in the field of short-circuit power failure of aluminum electrolytic cell, can solve the problems of low series current, affecting the quality of production, and difficulties in electrolytic production, so as to prevent sparking, improve indicators, and structure simple effect
Inactive Publication Date: 2006-06-14
GUIYANG AL-MG DESIGN & RES INST
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Problems solved by technology
However, for more and more series of cells, the number of electrolytic cells that need to be overhauled every year is quite large, and frequent series power failures or lowering the series current to a very low level will cause a lot of difficulties in electrolytic production
This not only affects the production of the entire workshop, but also affects the quality of production due to the reduction of current. Therefore, many large aluminum companies in the world have not allowed the shutdown of electrolytic cells for power failure or current reduction of electrolytic series. short circuit operation
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[0011] Embodiment of the present invention: the high current switch 2 can directly adopt the high current switch sold on the market, the working current of this high current switch is about 60000~80000 amperes, when using the present invention to cut off the power of the aluminum electrolytic cell to be powered off, the most It is best to install a high-current switch for each column bus bar of the aluminum electrolytic cell to be powered off. When implementing, fix the high-current switch 2 on a bracket 1 that can be installed on the aluminum electrolytic cell 5. The bracket 1 can use angle steel production, a copper core cable 3 is connected to both ends of the high-current switch 2 by welding or bolt connection, and a copper core cable 3 is connected to each copper core cable 3 by welding or bolt connection. The pressing device 4 that is pressed on the column busbar of the aluminum electrolytic cell is preferably made into a conventional structural device with a bolt and a p...
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The invention discloses an aluminium cell short circuit power cut method and its equipment. It includes the following steps: presetting a high current switch with disconnect state in the aluminium cell; connecting conduction cable to the two ends of the switch; connecting one of them to riser bus needed short circuit power cut; connecting the other to another riser bus; closing the switch to realize short circuit power cut. The invention can realize short circuit power cut on position, but not affect aluminium cell production. The operation is convenient and safety. The structure is simple.
Description
Technical field: [0001] The invention relates to a method and device for short-circuit power failure of aluminum electrolytic cells, in particular to a method and device for short-circuit power failure of one aluminum electrolytic cell in a series of aluminum electrolytic cells without power failure, belonging to short-circuit power failure of aluminum electrolytic cells technology field. Background technique: [0002] At present, domestic large-scale pre-baked aluminum electrolytic cells all adopt the operation procedure of manually opening the short-circuit opening, pulling out the insulating plate, and then manually closing the short-circuit opening when the large-scale pre-baked aluminum electrolytic cell needs to be overhauled and shut down. Since the aluminum electrolytic cell is in production, the column busbar carries a large current. Therefore, such an operation will cause sparks between the short circuit block and the busbar. This will not only affect the stable pr...
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IPC IPC(8): C25C3/16
CPCC25C3/16
Inventor 颜非亚曹斌陈才荣韩笑天舒茹郭海龙冯德金
Owner GUIYANG AL-MG DESIGN & RES INST