The initial position and velocity of pulverized coal at oxygen-coal lance outlet has been proposed,thus injection of pulverized coal in the blast furnace can be simulated.

• 给出了氧煤枪出口处煤粉颗粒初始位置和初始速度的分布，从而为高炉煤粉喷吹的数值模拟打下了基础.