Removal of slag and/or steel build-up from lances

Details Removal of slag and/or steel build-up from lances Removal of slag and/or steel build-up from lances

1998-03-20

1999-08-03

Kastler, Scott

Metallurgical apparatus

Process

Tuyere operation

266135, 266270, 266DIG1, C21B 716

Patent

active

059321695

ABSTRACT:
A method of removing slag and/or steel build-up from lances in steel making furnaces includes blasting dry ice (solid CO.sub.2) pellets on to a hot lance as it is being drawn out of a furnace. A refractory or ceramic coating may be applied to the lance while it is being inserted into the furnace.

REFERENCES:
patent: 3575706 (1971-04-01), Ummel
patent: 5152952 (1992-10-01), Brenczek et al.
patent: 5517950 (1996-05-01), Kendrick

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