A second tube is configured as a Laval nozzle for the delivery of oxygen and encloses a first central tube for the delivery of solid substances or dust.
第二管被设计成用于输送氧气的拉伐尔喷嘴形状并且它包围着用于输送固体物质或粉尘的第一中心管。
2
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。
3
The practice is introduced for refining industrial grade silicon by oxygen injection to the bottom of two-man ladle through self-makings pray nozzle system.