... non-ferrous and ferrous metallurgy, such as iron, aluminium, copper, zinc, stannum, nickel, wolfram, chromium, etc., the ... rotary kiln can be used to sinter and roast ore, concentrate, intermedium, etc.; The lime kiln is ... non-ferrous and ferrous metallurgy, such as iron, aluminium, copper, zinc, stannum, nickel, wolfram, chromium, etc., the ... .1 Rotary Kiln, Cement Kiln Machinery, Mining Machinary