According to the characteristics of steelmaking with semi-steel at PZH steel, the structure and spray nozzleofoxygenlance for high supply intensity were discussed.
针对攀钢半钢炼钢的特点，设计了高供氧强度的新型氧枪。
2
The new technology includes precise design on the oxygenlance and nozzle and establishment of proper oxygen supply schedule.
转炉高效吹氧技术包括正确设计氧枪喷头，制定正确的供氧工艺。
3
In this paper the novel structure ofnozzle for the oxygenlance and cooling patterns newly designed abroad in the recent years as well as associated data are provided for references to steel makers.