Smelting system for increased lining service life of...

Details Smelting system for increased lining service life of... Smelting system for increased lining service life of...

C - Chemistry, Metallurgy

21

C

53/38

C21C 5/00 (2006.01) C21C 5/56 (2006.01)

Patent

CA 1057505

ABSTRACT OF THE DISCLOSURE A refining ladle provided with a refractory lining contains a liquid-steel melt topped by a layer of slag. Wear of the lining, which is principally concentrated at the region of the slag, is minimized by displacing the upper surface of the melt relative to the lining of the ladle or other smelting recep- tacle so as to spread this wear over a greater area. This dis- placement is effected by providing the ladle with a plurality of throughgoing holes establishing different levels at which the melt surface is held for predetermined regular intervals. It is also possible to rotate the ladle continuously or discontin- uously about its longitudinal axis. A hardenable patching material may be sprayed against a portion of the ladle lining when this portion is exposed by displacement of the melt and slag therein.

214811

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