目前，钢铁企业的发展趋势是向着大型化、连续化、产量高、低消耗的方向发展。因此，在国内的电炉市场能够被国内钢铁企业认可的炉型有三种：一是德国德马克公司研制的带“手指”的废钢预热竖炉 ;二是由意大利康斯迪公司研制的连续加料炉 ;三是 DC直流炉。这三种炉子容量至少都 At present, the development trend of iron and steel enterprises is toward large-scale, continuous, high output, low consumption direction. Therefore, in the domestic electric furnace market can be recognized by the domestic steel companies have three types of furnaces: First, the German company Demark developed with “fingers” of the shaft preheat furnace; second is developed by the Italian company Consistently continuous feeding Stove; three DC DC furnace. The capacity of these three stoves are at least