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ELECTROLYSIS TANK WITH A CURRENT STRENGTH OF GREATER THAN 250 000 AMPERES FOR THE PRODUCTION OF ALUMINIUM BY MEANS OF THE HALLHEROULT PROCESS
ELECTROLYSIS TANK WITH A CURRENT STRENGTH OF GREATER THAN 250 000 AMPERES FOR THE PRODUCTION OF ALUMINIUM BY MEANS OF THE HALLHEROULT PROCESS
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机译:当前强度大于25万安培的电解槽,用于通过霍尔氏法生产铝
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摘要
The present invention concerns an electrolysis tank for the production of aluminum by means of the Hall-Heroult process, which operates at above 250,000 amperes, in particular from 270,000 to 320,000 amperes. The connection between each riser (7) and the anodic bus bar (5) is made by way of flexible electrical conductors (8); the central riser (7C) is disposed on the axis of the series, the two intermediate risers (7B, 7D) and the two equally spaced lateral risers (7A, 7E) through which substantially equal current strengths flow are connected to six upstream cathodic collectors (3), two central collectors (3A, 3B) two intermediate collectors (3C, 3D) and two lateral collectors (3E, 3F), and three downstream cathodic collectors (4), a central collector (4A) and two lateral collectors (4B, 4C). Equipotential connections provide for balancing of the current between the different sections of the upstream and downstream collectors. Those tanks are very stable in operation and have a high level of efficiency in regard to energy consumption.
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