Improvement of validity in Baosteel's 300t converter combined blowing system

摘要

The development course of Baosteel converter combined blowing is reviewed, and the present technologies such as tuyeres system alteration, adjusting content of converter slag, re-access of porous brick by oxygen, porous brick fast-replacement etc. are introduced. With such technologies, combined blowing is kept with the slag splashing line life, and remarkable economy benefit is obtained, at the same time, the steel quality is ensured.