Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Stewart W. Robinson0
Greg Brasel0
Date of Patent
March 29, 2011
0Patent Application Number
126294260
Date Filed
December 2, 2009
0Patent Primary Examiner
Patent 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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