Dry integrated with reduction flash ironmaking equipment and iron smelting method

Dry integrated with reduction flash ironmaking equipment and iron smelting method

  • CN 103,993,115 B
  • Filed: 04/22/2014
  • Issued: 02/02/2018
  • Est. Priority Date: 04/22/2014
  • Status: Active Grant
First Claim
Patent Images

1. one kind dries flash ironmaking equipment integrated with reduction, it is characterised in that the functions of the equipments include:

  • Wet concentrate is doneDry, prereduction and flash reducing and smelting,The device structure includes:

    Bottom of towe, the bottom of towe limit molten bath, and the molten bath is divided into iron pelagic division, slag blanket area and coke layer along lower upwardly directionArea;

    Tower body is reduced, reduction tower chamber is limited in the reduction tower body, the lower end of the reduction tower body is connected with the bottom of towe, instituteThe top for stating reduction tower body is provided with concentrate burner;

    Flue, the bottom of the flue are connected with the bottom of towe;

    Prereduction drying tower, the prereduction drying tower and the flue integrated arrangement, and in the prereduction drying towerLimit prereduction drying tower chamber, the upper end of the prereduction drying tower chamber directly connects and described pre- with the upper end of the flueThe top of reduction drying tower is provided with wet feed charge door, and the wet feed charge door is used to supply wet essence into the prereduction drying towerOre deposit;

    Material transmitting device, the material conveying device are located at the lower section of the prereduction drying tower chamber, for accepting from describedThe Concentrate Drying of prereduction drying tower intracavitary discharge;

    Waste heat boiler, the smoke inlet of the waste heat boiler are connected with the lower end of the prereduction drying tower chamber and cover on the thingExpect the top of transmitting device, for reclaiming from the heat in the high-temperature flue gas of prereduction drying tower intracavitary discharge, return simultaneouslyThe flue dust in the high-temperature flue gas is received,Wherein,The concentrate burner, which is used to spray into the reduction tower intracavitary, dries iron ore concentrate, flux and including coke, fine coal and oxygenFuel,The material transmitting device is arranged to transmit the Concentrate Drying to the concentrate burner.

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