Iron ore fines and the low grade beneficiated iron ore cake are directly used for manufacturing of sponge iron in tunnel kilns. The material bed in Tunnel kiln being stationary, it does not require high strength and thermal stability of the raw material.

Tunnel Kiln history dates back to 1807 when Hoganas first used this process to produce iron powder of % purity. When iron ore is mined or processed (in a crusher), lots of fines are generated. Quantity of fines generation is a function of the quality of ore whether it is hard or soft.

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GoodRich offers third generation tunnel kiln process from China, to convert soft iron ore lumps or briquetted iron ore fines into Direct Reduced Iron (DRI). DRI or sponge iron is a highquality metallic product and used as a feedstock in the induction furnace / electric arc furnace.

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). DRI or sponge iron is a highquality metallic product and used as a feedstock in the induction furnace / electric arc furnace.

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production sponge iron through tunnel kiln proces. 201836 · Conversion of Sponge Iron From Low Grade Iron ore And Mill Scale Through . Conversion of sponge iron from low grade iron ore and mill scale through simulating tunnel kiln The process of DRI or sponge Iron making can be Rotary Kiln method is very important for sponge iron production using non

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Tunnel Kiln Process For Sponge Iron Making in Nigeria Crusher, stone crusher tunnel kiln and iron powder reduction tunnel kiln direct reduction iron ore Rotary Kiln Process of Making Sponge Iron C Rotary Kiln Process of Making Sponge Iron through direct treatment with coal in a rotary kiln. which are needed in the reduction kiln of a sponge ...

CASE GROUP. CASE Group success story includes commissioning DRI Tunnel Kiln, first of its kind in India for use of all kind of iron ore fines. The costeffective tunnel kiln technology brings final product which has density of 4 GMS/CC thus making it usable directly for .

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DRI Tunnel Kiln Direct Reduction 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 #8451; for ...

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