The mixing characterstics of oxygen with pulverized coal in oxy-coal injection into blast furnace by oxy-coal lance are studied.

• 研究了高炉采用氧煤枪富氧喷吹煤粉时氧气与煤粉的混合特性．在直吹管内，氧浓度和煤粉浓度在横截面上类似高斯分布；