FORMATION AND CONTROL OF Fe3O4 IN THE PROCEDURE OF COPPER FLASH SMELTING
  Revised:January 15, 2002         
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KeyWord:Copper smelting by pyrometallurgy,Flash smelting,Formation and control of Fe 3O 4
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Abstract:
      The slag of copper flash smelting contains high Fe 3O 4,which is the main reason for high copper content in the slag and nodule formation in a settler.In this paper,the formation and control of Fe 3O 4 in the procedure of copper flash smelting are discussed in the light of operation.In production,a series of technological measures are taken,thus lightening harm of Fe 3O 4 to production procedure.These measures include the improvement of concentrate burner performance through the reformation of equipment such as feed chute and distributor,feeding powdered coke into reaction shaft,feeding pig iron into the settler,proper increase of SiO 2 and so on.
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