摘要
马钢120t转炉应用烟气分析动态控制技术冶炼低碳钢，终点碳和温度命中率达到88．6％，实现不倒炉直接出钢新模式。与倒炉测温取样补吹出钢传统模式相比，其冶炼周期缩短4～6min，钢水终点φ（O）低（200-300）×10^-6终点w（P）≤0．012％，终点w（S）≤0．015％，残w（Mn）高0．03％～0．05％，喷溅率小于4％，吨钢石灰消耗小于50kg。
The off-gas dynamic control system was applied on Masteel 120 t BOF to produce low carbon steel,the hit ratio of end temperature and carbon can reach to 88.6% ,and the direct tapping was realized. Compared with conventional tapping pattern, the tap to tap time reduce 4- 6 min, the activity oxygen at the end point reduce （200 - 300）× 10^-6 , the end phosphorus was less than 0. 012% ,the end sulfur was less than 0. 015 %, the residue w（[Mn]） increase 0. 03 %-0. 05%, the sloping ratio was less than 4%, the consumption of lime was less than 50 kg/t.
出处
《中国冶金》
CAS
2008年第10期33-36,共4页
China Metallurgy
关键词
转炉
烟气分析
出钢模式
冶金效果
BOF
off-gas analysis system
direct tapping
metallurgy effect
