Carbon containing nonfired agglomerated ore for blast furnace and production method thereof

  • US 6,918,944 B2
  • Filed: 05/28/2003
  • Issued: 07/19/2005
  • Est. Priority Date: 05/28/2002
  • Status: Active Grant
First Claim
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1. A carbon containing agglomerated ore for a blast furnace, whereinsaid carbon containing agglomerated ore is non-fired;

  • said carbon containing agglomerated ore contains carbon in a content of 80 to 120% of a theoretical carbon quantity required to reduce iron oxide; and

    said carbon containing agglomerated ore having a crushing strength of 7,850 kN/m2 (80 kg/cm2) or more at room temperature, which is prepared in a way that iron oxide and carbonaceous material are blended with each other to prepare a mixture, a binder is added to the mixture, and the mixture is kneaded, formed to pellets and briquettes and cured.

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