DIRECT CURRENT ELECTRIC ARC FURNACE FOR METALLURGICAL PLANT
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United States of America Patent
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Nov 26, 2015
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Nov 27, 2014
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Abstract
A direct current electric arc furnace (1) for metallurgical plant comprises an electrode (3) having a base (4) and a plurality of metal bars (5) fixed to the base (4); each of said metal bars (5) comprises at least a first portion (12) and at least a second portion (13) which is axially adjacent to said first portion (12), said first portion (12) being restrained to said base (4) and having greater thermal conductivity with respect to said second portion (13).
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