宝钢转炉复合吹炼(LD-CB)技术

THE LD-CB TECHNIQUES OF 300 t CONVERTERS IN BAOSHAN IRON & STEEL WORKS

本文介绍了宝钢转炉采用LD-CB复吹技术的工艺特点、冶金效果,尤为详细地阐述了该底吹装置各部件的特点和功能,N_2、Ar和(N_2+O_2)各种气体的选用工艺,以及保护风口和炉底寿命的设计和操作关键。

This paper introduced the procees features and metallurgical effects of 300 t converters in Baoshan Iron & Steel Works by adopting LD-CB combined blowing equipment function, bottom blowing gas selection including N_2, Ar, (N_2+O_2) as well as design and operational key points about nozzle protection and prolonging the refractory lining life.