In the third generation tunnel kilns, soft lumpy ores of 10 30 mm size or briquetted iron ores of 32 mm X 25 mm size can be used. In the first and second generation tunnel kilns, iron ore amp; coal layers were separate. In the new design, iron ore lumps / briquettes and coal fines are mixed together and hence the reduction is faster.
reduced iron tunnel kiln. By using tunnel kiln to produce DRI is that mix the iron ore concentrate pulverized coal and limestone powder with certain proportion and feed into material drum for being reduction and then put these drums on the kiln car and pushed it into the tunnel kiln when the material drum is heated to 1150 for reduction and cooling iron ore concentrate will be reduction and ...
direct reduction of nickel ores in rotary kiln. direct reduction of iron ore from tunnel kiln process direct reduction of iron ore from tunnel kiln process Active Lime Rotary Kiln Is Suitable For Mineral Processing K, Active Lime Rotary Kiln Is Suitable For Mineral Processing K,Cement,Lime Etc, Find, on response to energy conservation, emission reduction and low carbon, plants and mining ...
Coal Based Dri Plant Tunnel Kiln Electrotherm India . Rotary kilns have a drawback upon the size and quality of iron ore that can be used Initially when the process was first introduced the ore with an iron content gt 65 was preferred and the preferred size of ore was 5 18mm And coal of minimum B grade was required to be used for the solid state reduction or DRI
Tunnel kiln beneficiation icas2017conference.Direct reduction of iron ore from tunnel kiln process.Sponge iron dri plant made by tunnel kiln buy tunnel kiln by using tunnel kiln to produce dri is that mix the iron ore concentrate, pulverized coal and for reduction and cooling, iron ore concentrate will be reduction and get the direct reduced iron.
We offer third generation tunnel kiln process from China, to convert soft iron ore lumps or briquetted iron ore fines into Direct Reduced Iron . DRI or sponge iron is a high quality metallic product and used as a feed stock in the induction furnace / electric arc furnace.