Method for producing low silicon hot-metal

Method for producing low silicon hot-metal

  • CN 1,615,370 A
  • Filed: 01/23/2003
  • Published: 05/11/2005
  • Est. Priority Date: 01/24/2002
  • Status: Active Application
First Claim
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1. A method for producing low-silicon molten iron, comprising a step of blowing at least 150kg of fine carbon powder per ton of molten iron from a blast furnace tuyere;

  • discharging molten iron and molten slag from the blast furnace;

    adjusting the MgO content in the slag discharged from the blast furnace to 5.5 to 8.5 mass%; and

    controlling the Si concentration of the molten iron to be 0.3 mass% or less.

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