莱钢降低生铁含硅的实践

SILICON CONTENT REDUCTION IN HOT METAL AT LAIWU IRON AND STEEL CO., LTD.

通过改善炉料 ,加强管理 ,采用长风口 ,推行高炉标准化操作 ,并不断采用新技术 ,莱钢炼铁厂降低生铁含硅工作取得重大进展。 2× 75 0 m3 高炉生铁含硅由 0 .70 %左右降至 0 .46 %,4× 12 0 m3 高炉生铁含硅由 0 .77%降至 0 .6 0 %左右 ,产量、质量、消耗等各项指标都得到明显改善。

The silicon content in hot metal at Laiwu Iron and Steel Co., Ltd. has been lowered greatly by improving raw material quality, management and operation, adopting advance technique. The technical-economical indexes were improved greatly.