转炉提钒复吹长寿技术研究与应用

针对转炉复吹提钒存在供气能力不足,复吹寿命短,冶金效果不好等问题,开展了底吹透气砖结构优化、底吹供气系统优化设计、复吹提钒工艺及透气砖维护等技术的研究与应用.研究及大量的应用结果表明:采用新技术后可使提钒转炉底吹供气强度提高到0.10 m3/(min·t)以上,提钒复吹长寿化,复吹炉龄大幅提高到7455炉,复吹比100...

Study and Application on Extending the Lifetime of Combined Blowing BOF During Extracting Vanadium

Focus on such the problems as low supplying capacity,short furnace life and poor smelting effect during extracting vanadium using combined blowing converter,the optimization of structure of bottom blowing brick used to ventilating was studied,the system used to supplying gas was implemented,and the crafts of extracting vanadium with combined blowing technology was developed as well as the protecting technology of brick used to ventilating was applied.The results show that strength of gas supplying of BOF is...