Starting a smelting process
AssigneeTechnological Resources Pty. Limited
InventorsJacques Pilote, Rodney James Dry, Hendrikus Koenraad Albertus Meijer
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Abstract
A method of starting a smelting process in a smelting vessel includes heating frozen slag and forming molten slag and draining molten slag from a forehearth connection via a forehearth and establishing a clear flow path through the forehearth connection and thereafter hot starting the smelting process.
Claims9
A method of starting a smelting process in a smelting vessel that includes a main chamber for smelting a metalliferous material and producing molten metal and a forehearth connected to the main smelting chamber via a forehearth connection, and which smelting vessel contains frozen slag that blocks at least the forehearth connection, the method of starting the process including heating frozen slag and forming molten slag and draining molten slag from the forehearth connection via the forehearth and establishing a clear flow path through the forehearth connection and thereafter hot starting the smelting process by a series of steps including supplying a charge of molten metal into the main chamber via the forehearth connection and supplying feed materials to the process and smelting the metalliferous material and producing molten metal.
Dependencies are inferred from the claim text.