论文部分内容阅读
1.吹氧复风操作简述由于缺焦,庆源钢铁厂28m~3高炉于1988年6月18日12时20分休风封炉,计划10天,但实际封炉20天. 在1988年7月7日中班卸下5个风口小套发现1,6号风口焦炭燃烧了很多,掏了近700mm,掏出许多焦炭及部分氧化了的焦炭,之后炉腹以上的焦炭滑下,其表面层均已氧化,但燃烧不多.只要一掏风口焦炭,上部焦炭就滑下来,无法掏一个较大的孔,以装木柴等引火物.基于此情况,在3号风口内掏出一个小孔,放入沥青和少许刨花,于7月8日零时40分用氧气将焦炭点燃,同时打开炉顶放散阀,使其自然抽风燃
1. Blowing oxygen complex wind Briefing Because of the lack of coke, Qingyuan Iron and Steel Plant 28m ~ 3 blast furnace closed at 12:20 on June 18, 1988 closed the stove, plan 10 days, but the actual sealing 20 days. In 1988 July 7, the shift to remove the five sets of small sets found No. 1,6 tuyere coke burning a lot, digging nearly 700mm, took out a lot of coke and part of the oxidized coke, after the fire belly over the coke slide down, Its surface layer has been oxidized, but not much burning.As long as a tuyere coke, the upper part of the coke will slide down, unable to dig a larger hole, to install firewood and other firefighters.According to this situation, pulled out in the No. 3 outlet A small hole into the asphalt and a little shavings, at 0:40 on July 8, the coke will be lit with oxygen, while the top drain valve to open, so that it naturally smoke