(ii) The sponge iron from rotary kiln has much lower carbon content (usually 0.2%) than either the sponge iron from shaft furnace (0.7 to 2%) or the hot metal from blast furnace. Carbon in sponge iron not only helps in adding to the opening carbon in molten bath, it also carries in chemical energy, which helps in reducing the consumption of ...
Scrap Iron Melting Furnace Steel/iron Induction melting furnaces are very popular in steel mills and foundries. They are being used for holding and then smelting ferrous metals, sponge iron, nonferrous and many other steel scraps.They are used to replace cupolas since the cupolas end to emit a lot of dust and other dangerous pollutants.