Sponge Iron Production Using Tunnel Kiln Report | Iron Ore ... Iron ore briquettes are placed in SiC / Alumina Crucible and is reduced to produce DRI (Direct Reduced Iron). and the surrounding temperature is reduced until it exits the kiln . dri direct reduced iron using iron ore fines - Mineral ... May 07, 2017· Sponge Iron / Dri Production Tunnel Kiln - Buy Sponge Iron . By using tunnel kiln to produce DRI is that mix the iron ore concentrate, pulverized . iron ore concentrate will be reduction and get the direct reduced iron. . concentrate fines to oxidized pellet, the production cost is lower, the reducing agent is. Price For Tunnel Kiln For Sponge Iron - bed-at-work tunnel kiln sponge iron new technology. tunnel kiln sponge iron new technology. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including quarry, aggregate, and different kinds of minerals.    Read More