For hot metal desulphurization by powder injection, mixing time, residence time and powder penetration ratio are the three basic parameters which determine desulphurization efficiency in ladle.
熔池均混时间、粉剂穿透比和粉剂停留时间是决定铁水包喷粉脱硫效率的三个基本参数。
The influences of nozzle design and position of injection lance on the mixing time of hot metal in the ladle were experimentally investigated.
通过实验考察了喷枪喷嘴结构不同和喷枪平面位置不同条件下吹气对熔池搅拌的影响；
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