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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。
In this paper, the process and metallurgy of LD-CB blowing technology introduced by Baosteel converter are introduced. The characteristics and functions of each component of the bottom blowing device are described in detail. The selection process of various gases of N 2, Ar and (N 2 + O 2) , And the key to the design and operation of the tuyere and bottom life.