Slag Freeze-Lining for Electronic Arc Furnace
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United States of America Patent
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app pub date -
Jun 22, 2012
filing date -
Jun 24, 2011
priority date (Note) -
Abandoned
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Abstract
An improved method of operating an arc furnace is provided. The sidewall of the furnace includes a refractory lining. A charge of scrap metal is added to the furnace. The charge is melted and a slag layer is formed on the top of the melting charge. The furnace is tapped at the bottom to remove a portion of the melted charge. After tapping the furnace, the slag is splashed onto the sidewall to thereby coat the sidewall with a frozen slag layer.
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