Compared with the 4-hole cast oxygen lance made in America, the splashing and oxygen blowing time are reduced, melting slag and dephosphorization rate are improved.

• 与原美国氧枪喷头及国产四孔氧枪喷头相比,化渣情况明显改善,冶炼过程中喷溅减少,脱磷率提高,供氧时间缩短,综合效益显著。