冶金炉底吹技术早在上世纪80年代就开始在法国、日本、美国、意大利、德国等国家应用。由于该技术具有可缩短冶炼时间,均匀炉水温度及成分,提高材质质量,降低生产成本等优越性,以后应用不断扩大。而我国在上世纪70年代也有底吹的尝试,采用底吹的厂家从中也看到了该技术的优越性,但由于供气系统的不完善,尤其是透 Metallurgical bottom blowing technology back in the 80s of last century began in France, Japan, the United States, Italy, Germany and other countries. As the technology has the advantages of shortening the smelting time, uniform temperature and composition of the furnace water, improving the quality of the material and reducing the production cost, the application is continuously expanded. Our country in the 70s of last century also have the bottom blowing attempts, bottom-blowing manufacturers also see the superiority of the technology, but due to imperfect gas supply system, especially through