Direct smelting plant

C - Chemistry – Metallurgy – 21 – B

Patent

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Details

C21B 11/00 (2006.01) C21B 13/00 (2006.01) F27B 14/16 (2006.01) F27D 3/16 (2006.01)

Patent

CA 2642674

A direct smelting plant for producing molten metal from a metalliferous feed material using a molten bath based direct smelting process is disclosed. The plant includes a gas delivery duct assembly extending from a gas supply location away from the vessel to deliver oxygen-containing gas to gas injection lances extending into a direct smelting vessel. The gas delivery duct assembly includes a single gas delivery main connected to the gas injection lances to supply oxygen-containing gas to the gas injection lances. The gas delivery main is located at a height above a lower half of the vessel.

Installation de fusion directe destinée à la production de métal fondu à partir d'un matériau de charge métallifère à l'aide d'un processus de fusion directe basé sur un bain en fusion. L'installation comprend un ensemble de conduits d'amenée de gaz s'étendant à partir d'un emplacement d'alimentation en gaz distant de la cuve pour amener du gaz contenant de l'oxygène à des lances d'injection de gaz s'étendant jusque dans une cuve de fusion directe. L'ensemble de conduits d'amenée de gaz comprend un collecteur unique d'amenée de gaz relié aux lances d'injection de gaz pour fournir du gaz contenant de l'oxygène aux lances d'injection de gaz. Le collecteur d'amenée de gaz est situé à une hauteur supérieure à celle de la moitié inférieure de la cuve.

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