According to the in situ situation, some devices for the equipment of pneumatic slagoff were set up.The pressure loss of each phase was determined and the pressure loss proportion analyzed.

• 测定了排渣系统中各段的压力损失，分析了各段压力损失的比重，研究了风量、风速、钻屑运动速度、固气比和压力损失等之间的内在规律。