Repair composition for steelmaking furnaces and the like

Details Repair composition for steelmaking furnaces and the like Repair composition for steelmaking furnaces and the like

C - Chemistry, Metallurgy

04

B

261/24

C04B 35/04 (2006.01)

Patent

CA 1084956

ABSTRACT OF THE DISCLOSURE A refractory lining repair material for steel making furnaces and the like, which consist essentially of an exothermic patching mix which may be either gunned in place or applied to furnace bottoms in the form of briquettes. The patching mix comprises about 62% magnesite, 11% iron oxide, 9% aluminum, 5% sodium nitrate, 3% bauxite, 2% calcium fluoride, 5% coal tar pitch, 3% sodium borate and water sufficient to mix to a paste-like consistency. This invention distinguishes for others by reason of the unique composition which enables the patching mix to protect a refractory lining in a metallurgical furnace. -2-

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