Coal Based Sponge Iron Industry - A Prime Mover to . - SteelworldThis fraction mainly –1mm initially used to be contaminated with fine . In coal based sponge iron technology, the furnace (rotary kiln) fulfils various functions.use of fines for sponge iron production in coal based rotary kiln,Rotary Kiln Process of Making Sponge Iron - New Age InternationalThe production of steel began in ancient times; but because of . The coal based rotary kiln process of making sponge iron is the .. Fine coal. Sponge iron. Char. Air. Rotary kiln. Thermocouples. Waste gas. Coal. Flux . Use of 6 to 20 mm iron ore is indicated. Presently it is more common to use 5 to 18 mm fraction. A typical.
use of fines for sponge iron production in coal based rotary kiln