Ore Furnace is also known as electric arc furnace or resistance furnace. It is mainly used for reducing and smelting ore, carbonaceous reductant and other raw materials. The main production of ferrosilicon, Ferromanganese, Ferrochrome, ferro-tungsten, ferro-nickel, silicon-manganese alloy and other ferroalloy materials, metallurgical industry is an important industrial raw materials and chemical raw materials such as calcium carbide.