The new technology includes precise design on the oxygen lance 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。

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In this paper the novel structure of nozzle for the oxygen lance and cooling patterns newly designed abroad in the recent years as well as associated data are provided for references to steel makers.

文中介绍的国外近年来新设计的氧枪喷头结构，冷却形式及有关数据可供炼钢生产工作者参考。

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The extrusion process to form the nozzle base frame in oxygen core lance has been supposed to adopt.

建议采用挤压工艺成形氧枪喷头底座。

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