Method of burning-in lining in bottom blown steelmaking furnace

Details Method of burning-in lining in bottom blown steelmaking furnace Method of burning-in lining in bottom blown steelmaking furnace

1975-07-30

1976-03-30

Dost, Gerald A.

Metallurgical apparatus

Means for cutting solid metal with heat, e.g., blowpipes

266 35, 266 41, C21C 544

Patent

active

039470024

ABSTRACT:
The burn-in of the refractory lining or of the refractory component of a tuyere-containing bottom plug in a bottom-blown oxygen steelmaking converter is effected with the plug in place by passing oxygen and a gaseous hydrocarbon mixed with controlled amounts of neutral gas through the respective concentric passages in tuyeres contained in the plug. The described method can be employed to burn-in a bottom plug installed in a converter together with a newly installed refractory converter lining or to burn in a newly installed bottom plug in an existing converter lining.

REFERENCES:
patent: 3610183 (1971-10-01), Kolboy et al.
patent: 3897048 (1975-07-01), Pearce et al.

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