1·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；
2·The development process of injection lance castable for molten iron pretreatment at Baosteel 3rd Phase Project and its application were introduced.
介绍了宝钢三期工程铁水预处理喷枪浇注料的研制过程及使用情况。
3·The oxygen injection by top lance and side lance can increase the effective stirring power and enhance heat transfer efficiency.
通过顶枪、侧枪吹氧，可以提高搅拌能，提高传热效率。
4·The practice shows the lifting and rotating devices for lance not only meet the technological requirements but also increase the injection quality, and can be used for related equipment.
实践证明，该喷枪升降施转装置不但满足工艺提出的各项要求，还能提高喷吹质量，可以在相关的设备中推广。
5·Coherent oxygen Lance is the main implement for realizing technique of increasing oxygen using in EAF process, study of optimizing oxygen Injection will be of great practical meaning.
集束氧枪是实现电弧炉炼钢强化用氧技术的主要工具，研究其优化用氧制度将具有很大的现实意义。
6·The lance is good in bending resistant effect, long in service life, good in injection pretreatment effect and simple in manufacturing process.
该喷枪的抗弯曲效果好、使用寿命长、喷吹预处理效果好且制造过程简单。
7·The initial position and velocity of pulverized coal at oxygen-coal lance outlet has been proposed, thus injection of pulverized coal in the blast furnace can be simulated.
给出了氧煤枪出口处煤粉颗粒初始位置和初始速度的分布，从而为高炉煤粉喷吹的数值模拟打下了基础。