METHOD FOR OPERATING A BLAST FURNACE INSTALLATION

A method for operating a blast furnace for producing of pig iron, includes the following stepsheating a first stream of steam in a first heater, before or after having been mixed with an oxygen source selected from oxygen and oxygen-enriched air, to provide a first heated stream of oxygen-enriched s...

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Bibliographische Detailangaben
Hauptverfasser:	MICHELETTI, Lorenzo, KINZEL, Klaus Peter, CASTAGNOLA, Cristiano, VALERIUS, Miriam
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY MANUFACTURE OF IRON OR STEEL METALLURGY METALLURGY OF IRON
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Beschreibung
Zusammenfassung:	A method for operating a blast furnace for producing of pig iron, includes the following stepsheating a first stream of steam in a first heater, before or after having been mixed with an oxygen source selected from oxygen and oxygen-enriched air, to provide a first heated stream of oxygen-enriched steam;heating a first stream of blast furnace gas from the blast furnace and a first stream of natural gas in a second heater, before or after being mixed together, to provide a heated carbon feed stream;feeding the first heated stream of oxygen-enriched steam and the heated carbon feed stream either as a combined stream or separately to a catalytic partial oxidation reactor to produce a stream of syngas; andfeeding the stream of syngas to the shaft of the blast furnace.