Drying and reducing integrated flash ironmaking apparatus and ironmaking method

Drying and reducing integrated flash ironmaking apparatus and ironmaking method

  • CN 103,993,115 A
  • Filed: 04/22/2014
  • Published: 08/20/2014
  • Est. Priority Date: 04/22/2014
  • Status: Active Application
First Claim
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1. the dry and integrated flash ironmaking equipment of reduction, is characterized in that, comprising:

  • At the bottom of tower, the described tower lowest limit is made molten bath, and described molten bath is divided into iron pelagic division, slag blanket district and coke layer district along the lower direction making progress;

    Reduction tower body, limits reduction tower chamber in described reduction tower body, the lower end of described reduction tower body is connected with at the bottom of described tower, and the top of described reduction tower body is provided with concentrate burner;

    Flue, the bottom of described flue is connected with at the bottom of described tower;

    Prereduction drying tower, in described prereduction drying tower, limit prereduction drying tower chamber, the upper end in described prereduction drying tower chamber is communicated with the upper end of described flue and the top of described prereduction drying tower is provided with wet feed charging opening, described wet feed charging opening for supplying with wet concentrate in described prereduction drying tower, whereinDescribed concentrate burner is used for the fuel that sprays into dry iron ore concentrate, flux and comprise coke, fine coal and oxygen in described reduction tower chamber.

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