DIRECT SMELTING APPARATUS
    1.
    发明专利

    公开(公告)号:JP2001280847A

    公开(公告)日:2001-10-10

    申请号:JP2001076457

    申请日:2001-03-16

    Abstract: PROBLEM TO BE SOLVED: To provide a direct smelting device for producing a molten metal in a pure state or an alloyed state from a feed material containing the metal. SOLUTION: The starting point of the direct smelting apparatus for making the molten metal from the material containing the metal resides in a smelting vessel 11 for containing the molten metal/slug bath under a hot gas space. A solid injection lance 27 penetrating a side wall of the vessel is protruded downwards in an interior side. Heated gas for oxidation is guided into the gas space located at the lower side by a gas injection lance 26 erected vertically at a center. The above described facility is divided into four working zones disposed around the vessel at specified intervals and extending outwards from the vessel. The zone 1 is located above the vessel and includes a hot gas distribution duct 31 for sending the gas to the lance 26 and a gas exhausting duct 32. The zone 2 includes a front hearth 19 and a front hearth metal tapping trough 34. The zone 3 includes a slug cutting-extracting part 45 and a slug trough 46. The zone 4 includes a main slug discharge opening and a slug discharge trough 48. By this arrangement, the possibility of causing the transfer of the slug to interfere with the heated gas, the supply material containing the metal and the molten metal is decreased to the utmost.

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