一、前言现代钢铁生产体系中,由外国引进的技术诸如氧气顶吹转炉、连续铸造等,我国已很好地消化、改良并高度合理化,加上大型化,使我国的钢铁生产技术已达到世界最高水平。今后不能指望再引进技术,目前还面临着能源困难的问题,为使我国钢铁工业进 I. Introduction In the modern steel production system, the technology introduced by foreign countries such as oxygen top-blown converter and continuous casting has been well digested, improved and highly rationalized in China. With the enlargement of the scale, China’s steel production technology has reached the world The highest level. In the future, we can not expect to reintroduce the technology, and we are still facing the problem of energy difficulties. In order to make China’s steel industry enter