... copper, zinc, stannum, nickel, wolfram, chromium, etc., the rotary kiln can be used to sinter and roast ore, concentrate, intermedium ... Easy operation.Working PrincipleThe rotary kiln can be divided into cement kiln, metallurgy chemical kiln and lime kiln according to the different ... to calcine limestones. ModelCapacity(t/d)Gradient of kiln body(%)Support Quantity(PC)Catch Wheel TypeMain Drive Power(kw ...