Foamy slag conditioner compound
AssigneeHickman, Williams & Company
InventorJohn F. Jennings
Life of this patent
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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.
Claims7
A slag conditioner compound for forming a foamy slag layer for use in an electric arc furnace for making steel, the electric arc furnace having a chamber for melting scrap steel and an opening for introducing material into the chamber comprising.
- an 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-calcined dolomite ore and carbon being introduced to the chamber while the scrap steel is being melted to form a foamy slag on the surface of the molten steel.
Dependencies are inferred from the claim text.