氧气顶吹转炉炉龄 【寿命】(LTV's Indiana Harbor Works has increased BOF campaign life and reduced refractory costs by using slag splashing technology. LTV 钢公司印第安纳港厂通过使用溅渣护炉技术已经提高了氧气顶吹转炉炉龄、降低了耐火材料费用。)
浸人式水口寿命(Subsequent refinement of mold practices and SEN design results in achieving a 13 heat (599 minute) SEN life and a monthly average of over 8 heats per SEN. 由于结晶器操作和浸人式水口设计的持续改进，浸人式水口寿命已达到13炉(历时 599min), 月平均浸人式水口寿命超过 8 炉。)
