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An apparatus for the continuous production of strip steel from ferrous ore includes a separate ore reducing furnace, a refining furnace, a degassing chamber and continuous casting means. The refining furnace includes inert gas injecting means connected to a porous floor and an enclosed deep settle b

An apparatus for the continuous production of strip steel from ferrous ore includes a separate ore reducing furnace, a refining furnace, a degassing chamber and continuous casting means. The refining furnace includes inert gas injecting means connected to a porous floor and an enclosed deep settle bath section beyond the porous floor.

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Apparatus for continuous production of steel strip from ferrous ore which comprises (1) an upright metallic ore reducing furnace having a hearth at its bottom, ferrous ore injection means, oxygen injection means and coal injection means, all positioned above the hearth, a slag tapping port, and a ho

Apparatus for continuous production of steel strip from ferrous ore which comprises (1) an upright metallic ore reducing furnace having a hearth at its bottom, ferrous ore injection means, oxygen injection means and coal injection means, all positioned above the hearth, a slag tapping port, and a hot metal discharge port at about the hearth level, (2) a metal refining furnace connected to the metal discharge port of the metallic ore reducing furnace by a closed passage and intermediate device for introduction of hot metal at the top of the metal refining furnace, a hearth at the bottom of the furnace, oxygen injection means and limestone injection means positioned in the metal refining furnace for injection of oxygen and limestone into the metal as it descends through the furnace to the hearth, an outlet of controlled height from the hearth leading to an enclosed porous floor, inert gas injecting means connected to the porous floor, an enclosed deep settle bath section beyond the porous floor, flux and alloy injecting means adjacent the settle bath section, and metal and slag outlet from the settle bath, (3) a degassing chamber connected by a closed passage to the metal outlet from the settle bath section, and a metal outlet from the bottom of the degassing chamber, and (4) continuous casting means positioned to receive metal from the metal outlet of the degassing chamber, and having an outlet for discharge of continuously cast metal.