The Electric Furnace

accordance acid alloy aluminium ammonia amount amps applied arranged base bath brought calcium capacity carbide carbon cent charge Chem circuit coke Company conducting connected connexions consists constructed consumption containing cooling copper cost crucible direct effect efficiency electric furnace Electrochem electrodes electrolytic employed energy estimated factor Falls feet further gases give given graphite hearth heat higher inches increase industrial installed iron lead lining load loss lower manufacture material means melting metal method necessary nitrogen obtained operation oxide passed phase plant plates preparation present production radiation reaction reduced refractory resistance shown in Fig side slag smelting station steel sulphur supply surface temperature three-phase tons Trans transformer tube unit vertical voltage volts walls water power zinc