Starting a smelting process
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United States of America Patent
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Sep 26, 2017
Grant Date -
Sep 17, 2015
app pub date -
Jul 18, 2013
filing date -
Jul 25, 2012
priority date (Note) -
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Abstract
A method of starting a molten bath-based process for smelting a metalliferous material is disclosed. The method includes using the heat flux of water-cooled elements in lower parts of a smelting vessel to provide an indication of molten bath temperature during at least an early part of the start-up method and adjusting injection rates of oxygen-containing gas and/or carbonaceous material into the smelting vessel to control the molten bath temperature during start-up without exceeding critical heat flux levels and tripping the start-up method.
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