It is showed after the furnace tubes serviced for 8-10 years that the density of damage in the HAZ (heat affected zone) ......

研究已运行9.56×104h下集气管的组织性能,结果表明该下集气管的剩余寿命为3×104h以上....

回顾一段转化炉管理２２年来，重点围绕延长转化管寿命所进行的主要工作的经验与体会。精心维护是延长炉管使用寿命的基础，抓好大修是保证......