Smelting system for increased lining service of refining vessels

Details Smelting system for increased lining service of refining vessels Smelting system for increased lining service of refining vessels

1974-11-25

1976-11-09

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 61, 266281, C21C 700

Patent

active

039902943

ABSTRACT:
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 in contact with the slag is minimized by displacing the upper surface of the melt relative to the lining of the ladle or other smelting receptacle so as to spread this wear over a greater area. This displacement 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 discontinuously 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.

REFERENCES:
patent: 2862811 (1958-12-01), Eketorp
patent: 3005628 (1961-10-01), Rinesch
patent: 3020150 (1962-02-01), Reed
patent: 3599953 (1971-08-01), Smith
patent: 3737489 (1973-06-01), Murton

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