Method for manufacturing pig iron

Method for manufacturing pig iron

  • CN 102,046,817 A
  • Filed: 05/27/2009
  • Published: 05/04/2011
  • Est. Priority Date: 05/30/2008
  • Status: Active Application
First Claim
Patent Images

1. pig iron manufacture method has:

  • Blast furnace raw material manufacturing process uses the high zinc content iron ore that contains the above zinc of 0.01 quality %, the iron more than the 50 quality % to make blast furnace raw material;

    Pig iron manufacturing process packs described blast furnace raw material into blast furnace and makes the pig iron, discharges the blast furnace waste gas that contains zinc stove dirt from furnace roof;

    Stove dirt recovery process reclaims the zinc stove dirt that contains in the blast furnace waste gas;

    AndThe zinc recovery process uses reduction furnace from described containing the zinc stove dirt zinc to be reclaimed.

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