This paper tells us the improvement of economic index after using the carbon oxygen lance on 70t consteel arc furnace in Esteel electric furnace plant and the metallurgical results in the actual production.

• 介绍了鄂钢电炉厂70t consteel电炉使用炉壁集束碳氧枪后对经济指标的改善,以及在生产实践中的冶金效果。