The concentration distributions in the distance about 2.5 times diameter of blowpipe from the exit of the lance tend to be uniform...

• 直吹管内气-固两相的掺混甚为剧烈；使得在氧煤枪出口前端轴向距离为2.；5倍；直吹管直径的截面上气-固两相混合均匀。