Tundishes

Details Tundishes Tundishes

1985-03-01

1988-06-14

Rutledge, L. Dewayne

Metallurgical apparatus

Linings

With specific lining enclosing structure

266280, 266275, C21C 544

Patent

active

047507179

ABSTRACT:
A tundish for continuous casting of molten metal having an outer metal casing and, adjacent the casing, a permanent refractory lining is provided with an inner, expendable lining comprising refractory, heat-insulating slabs having an erosion resistant backing layer and an inward facing layer of lower density than that of the backing layer.
The density of the facing layer is at least 0.2 g/cm.sup.3 but not more than 85% of the density of the backing layer. The presence of the inward facing layer exerts less chilling effect on the molten metal poured into the tundish than if the slab consisted of the backing layer alone.

REFERENCES:
patent: 4042229 (1977-08-01), Eccleston
patent: 4194730 (1980-03-01), Matsumoto et al.
Geiger et al. "Transport Phenomena in Metallurgy" pp. 576-577, Dec. 1980.

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