The model system of coal injection for No.6 BF at Lianyuan Iron and Steel Corporation consists of index model, raceway geometry model, oxygen-enriched model and energy use model.

• 摘要涟源钢铁集团有限公司6号高炉喷煤工艺模型包括指标计算模型、回旋区模型、最佳富氧率模型、能量利用模型。