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

C - Chemistry, Metallurgy

21

C

25/102, 39/13

C21C 5/28 (2006.01) C21C 5/34 (2006.01) C21C 5/44 (2006.01)

Patent

CA 1057952

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 to- gether with a newly installed refractory converter lining or to burn in a newly installed bottom plug in an existing converter lining.

243343

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