Process to reduce steel furnace slag carry-over during tapping

Details Process to reduce steel furnace slag carry-over during tapping Process to reduce steel furnace slag carry-over during tapping

2011-03-29

2011-03-29

Wyszomierski, George (Department: 1733)

Specialized metallurgical processes, compositions for use therei

Processes

Producing or treating free metal

C075S010460, C065S020000

Reexamination Certificate

active

07914602

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.

REFERENCES:
patent: 3126274 (1964-03-01), Aamot
patent: 3999979 (1976-12-01), Outhwaite et al.
patent: 4431169 (1984-02-01), Fuzii et al.
patent: 4478392 (1984-10-01), Fuzii
patent: 5279639 (1994-01-01), Kemeny et al.
patent: 6074598 (2000-06-01), Koffron et al.
patent: 6267798 (2001-07-01), Kemeny et al.
patent: 6544314 (2003-04-01), Stendera et al.
patent: 6602069 (2003-08-01), Purchase
patent: 6793708 (2004-09-01), Jones et al.
patent: 6875251 (2005-04-01), Gordon et al.
patent: 2006/0065071 (2006-03-01), Fleischanderl et al.
patent: 2007/0084306 (2007-04-01), Jones
patent: 2007/0266824 (2007-11-01), Stein et al.
patent: 2009/0114063 (2009-05-01), Kunze et al.
CRC Handbook of Chemisty and PhysicsWeb Edition, 91stedition, 2010-2011.
Zhang, L., Thomas, B., State of the Art in Evaluation and Control of Steel Cleanliness, ISIJ International, vol. 43 (2003), No. 3, pp. 271-291.

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