Metallurgical apparatus – With means treating or handling gases exhausted by treating...
Patent
1985-11-05
1987-09-01
Rosenberg, Peter D.
Metallurgical apparatus
With means treating or handling gases exhausted by treating...
75 25, 75 5917, 75 5918, 266 78, 266 90, 266156, 266159, C21B 722, C21C 538
Patent
active
046903879
ABSTRACT:
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 producing steel includes a plant for recoverng 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.
REFERENCES:
patent: 2547685 (1951-04-01), Brassert
patent: 2894831 (1959-07-01), Old
patent: 3364009 (1968-01-01), Kemmetmuller
Kepplinger Werner
Rockenschaub Walter
Rosenberg Peter D.
Voest-Alpine Aktiengesellschaft
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