Method of improving the service life of permeable refractory ele

Details Method of improving the service life of permeable refractory ele Method of improving the service life of permeable refractory ele

1987-04-15

1988-04-05

Rutledge, L. Dewayne

Metallurgical apparatus

Process

266281, 264 30, C21C 544

Patent

active

047353988

ABSTRACT:
The service life of permeable refractory elements is improved by conserving in a vessel a fluid slag formed during refining of a charge after a liquid metal has been cast by tipping the vessel, depositing and spreading the slag over the bottom by bringing the vessel back to its upright position, and leaving the slag to harden and set on the bottom, while a sufficient pressure is maintained in the permeable refractory elements to ensure a permanent flow of a stirring fluid.

REFERENCES:
patent: 4298378 (1981-11-01), Murkami
patent: 4410167 (1983-10-01), Murkami

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