C - Chemistry – Metallurgy – 21 – C
Patent
C - Chemistry, Metallurgy
21
C
39/16, 39/86
C21C 5/48 (2006.01) B22D 1/00 (2006.01) C21C 5/44 (2006.01) C21C 7/072 (2006.01)
Patent
CA 1284877
CONVERTER FOR PREPARING STEEL AND A GAS SUPPLY DEVICE FOR SUCH A CONVERTER ABSTRACT OF THE DISCLOSURE A converter for preparing steel having a refractory lining including a wear lining is provided at its bottom with a plurality of gas supply devices for supply of stirring gas to the molten bath in the converter. Each gas supply device has a generally vertical flat panel which comprises at least two flat metal plates joined together to provide a plurality of gas passages between them. The plates are mounted between bricks of the wear lining. To prevent the plates bulging apart, which causes the gas passages to be blocked by steel the plates are connected to each other between their edges at a plurality of locations distributed over the whole of the plate faces in a manner so as to resist the pressure of the gas in the passages. The bricks of the wear lining adjacent the gas supply device are modified in dimensions to accommodate the gas supply device and/or modified in quality compared with the neighbouring bricks.
531402
Butter Johannes A.m.
de Vries Jan S.
Hoogovens Groep Bv
Ridout & Maybee Llp
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