Steel making vessel with dust recycling method and means

The flue gases from a steel refining furnace or vessel are delivered to a gas cleaning system in which the dust is removed and collected in slurry form. The slurry is dried and reduced to dust again after which it is delivered to a storage vessel. The dust is transported pneumatically from the stora...

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Bibliographische Detailangaben
Hauptverfasser:	MAURICE, HARVEY W, PEARCE, JAI K
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY MANUFACTURE OF IRON OR STEEL METALLURGY METALLURGY OF IRON PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
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Beschreibung
Zusammenfassung:	The flue gases from a steel refining furnace or vessel are delivered to a gas cleaning system in which the dust is removed and collected in slurry form. The slurry is dried and reduced to dust again after which it is delivered to a storage vessel. The dust is transported pneumatically from the storage vessel to tuyeres in the steel refining vessel and thereby injected back into the molten metal within the vessel. The dust is rich in iron oxide and contributes to the steel yield from the refining vessel.