FOAMY SLAG CONDITIONER COMPOUND
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United States of America Patent
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Issued Date -
Jun 25, 2020
app pub date -
Oct 28, 2019
filing date -
Dec 21, 2018
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Abstract
A compound for forming a foamy slag layer for use in an electric arc furnace, is described. The electric arc furnace has a chamber for melting scrap steel and an opening for introducing material into the chamber. The compound has un-calcined dolomite ore having a weight percentage from about 10% to about 60% and carbon having a weight percentage from about 40% to about 90%. The un-caicined dolomite ore and carbon are introduced to the chamber of the electric arc furnace while the scrap steel is being melted to form a foamy slag layer on the surface of the molten steel.
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