Iron manufacture technology

Iron manufacture technology

  • CN 101,736,103 A
  • Filed: 11/05/2008
  • Published: 06/16/2010
  • Est. Priority Date: 11/05/2008
  • Status: Active Application
First Claim
Patent Images

1. a SDORBF iron-smelting process is characterized in that:

  • dispose direct reduction furnace in addition outside the reduction and gaseous stove of blast furnace type;

    Iron-containing charge is the mixing ore deposit of common fine ore/lump ore/pelletizing, produces hot direct reduced iron by direct reduction furnace;

    Coke, hot direct reduced iron add from the reduction and gaseous furnace roof of blast furnace type portion;

    Oxygen and coal dust spray into from the reduction and gaseous stove oxygen of blast furnace type air port, production high-quality heating molten steel, grain slag and high-quality coal gas.

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