Decreasing Electrical Energy Consumption Through SiC Additions

Kent D. Peaslee, Missouri University of Science and Technology
Semen Naumovich Lekakh, Missouri University of Science and Technology
Von Richards, Missouri University of Science and Technology
John Carpenter
Chen Wang

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This paper summarizes results of industrial experiments investigating the introduction of supplemental chemical energy in Electric Arc Furnaces (EAF). Specifically, this research evaluates the effects of adding 0.4-0.6% of the scrap charge weight as SiC (10 lbs per scrap ton charged) in the EAF. SiC additions increase the available exothermic reactions during oxygen boiling in an attempt to reduce the electrical energy requirements. Results from 180 trial heats at two different steel foundries are highlighted and statistically evaluated. In both cases, the SiC additions had a measurable effect on decreasing the electrical energy consumption.