Process to reduce steel furnace slag carry-over during tapping
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United States of America Patent
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Mar 29, 2011
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app pub date -
Dec 2, 2009
filing date -
Dec 2, 2009
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Abstract
A process for tapping a steel furnace with a reduced amount of entrained slag is disclosed. During tapping, particles of a slag foaming agent are added. The foaming agent may include calcium carbide and/or other chemicals. The agent foams the slag to decrease its density during tapping and/or to disrupt initial vortex formation at the tap.
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