中,利用一个Kaldo法那样的回转炉,炉的一端敞开,加入矿石、氧气和燃料,当一氧化碳自炉中逸出时为氧所燃烧,燃烧所产生的热量供铁矿与焦粉反应需要,这是新炼铁方法和Kaldo法的不同之处。在这种方法中,炉墙是旋转的,连续不断地被金属溶液冷却,有效地帮助过程本身所产生的热量传向金属(见附图)。瑞典的斯杜勒·柯伯尔堡冶金研究所发展了一种新的炼铁法,即以回转炉方法自矿石中制取生铁。这种方法生产极为经济,铁的质量也很好。1956年发展了Kaldo氧气炼钢法,目前美国休隆(Sharon)钢铁公司已在使用。在新的斯杜勒(Stora)法 , A rotary furnace such as the Kaldo method is used, one side of the furnace is open, ore, oxygen and fuel are added, oxygen is burned when carbon monoxide escapes from the furnace, the heat generated by the combustion is required for reaction between iron ore and coke, This is the difference between the new ironmaking method and the Kaldo method. In this method, the furnace wall is rotated and continually cooled by the metal solution, effectively helping to transfer the heat generated by the process itself to the metal (see the accompanying drawings). The Swedish Institute of Metallurgy at Sidre Burk-Fort Coburg developed a new method of ironmaking, in which pig iron is produced from ores using a rotary kiln process. This method is extremely economical to produce and the quality of iron is good too. The Kaldo oxygen steelmaking process was developed in 1956 and is currently used by the U.S. Sharon Steel Company. In the new Stora method