Apparatus for electric steelmaking

Metallurgical apparatus – Means for melting or vaporizing metal or treating liquefied... – By means introducing treating material

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Details

266226, 266266, 266267, 266901, C22B9/16

Patent

active

059048956

ABSTRACT:
A burner/injector for providing a localized impingement flame or multiple flames for scrap heating and melting through use of a fluid fuel and at least one oxygen rich oxidizing gas. The burner/injector includes a liquid-cooled combustor for generating an impinging flame directed toward a scrap pile and a structure for injecting a controllable amount of a solid material and a controllable flow of high velocity oxidizing gas. The burner/injector may be arranged as a simple liquid-cooled combustor permanently mounted through the furnace wall or roof, and may be equipped with single or multiple channels for injection of solid material and high velocity oxidizing gas. The burner/injector can also be arranged as a water-cooled burner/injector lance accompanied with a water-cooled oxygen injecting lance, both movable through the slag door opening toward the furnace interior.

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