C - Chemistry – Metallurgy – 21 – B
Patent
C - Chemistry, Metallurgy
21
B
39/65, 53/83
C21B 7/22 (2006.01) C21C 5/38 (2006.01) C21C 7/072 (2006.01)
Patent
CA 1258179
ABSTRACT OF THE DISCLOSURE: In a method of producing a mixed gas from a process gas of a continuously working gasifier and a discontinuously incurred off-gas of an oxygen blowing converter, the off-gas of the refining process having the lower pressure is sucked into the process gas of the gasifier with the higher pressure via a gas jet ejector. The process gas serves as power gas, and subsequently the mixed gas is dedusted. A plant for produc- ing steel includes a plant for recovering pig iron formed by a reduction shaft furnace and a melt-down gasifier, and at least one oxygen blowing converter for converting the pig iron into steel. The reduction shaft furnace has a process or top gas duct system, the converter has a converter off- gas duct, and an ejector connects both, the converter off- gas thus being feedable into the top gas duct system to form the mixed gas. Common dedusting and washing devices are provided for the mixed gas and safety devices for preventing oxygen from entering into the mixed gas.
494913
Kepplinger Werner
Rockenschaub Walter
Fetherstonhaugh & Co.
Voest - Alpine Aktiengesellschaft
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