The results show that the oxygen and coal double lances or the two coal double lances could obtain a higher combustion rate than any type o.

• 对不同类型喷枪的煤粉燃烧率进行了热态模拟实验,发现采用交叉式氧煤双枪和双煤枪可以获得比单枪较高的燃烧率。