Others  |  DRI-Sponge Iron 
 
 
Iron ore and pulverized coal are fed into the furnace and heated rapidly to high temperatures. The oxides in the mixture are reduced to metallic iron by the composite carbon within the mixture. Carbon monoxide generated is used as a major fuel source, and the fuel gas is added as a supplement.
 
 
Bogie Hearth Furnace (BHF)
 
Iron ore and pulverized coal are mixed and fed into the flasks. Set of flasks travel through a furnace by the help of mechanical feeding mechanism. At the opposite end of the kiln, they are unloaded hot and left to cool down in its inert volume.
 
 
Rotary Hearth Furnace (RHF)
 
Iron ore and pulverized coal are mixed and agglomerated into pellets or briquettes then they are directly fed into the RHF in one layer. The DRI produced is continuously discharged by a screw from the RHF.
 
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