凌钢5号高炉排碱生产实践与分析  

Production Practice and Analysis of Alkali Discharge in No.5 BF of Lingyuan Iron and Steel Company

作　　者：李亮 LI Liang(Lingyuan Iron and steel Co.,Ltd.,Chaoyang 122500,China)

机构地区：[1]凌源钢铁股份有限公司,辽宁朝阳122500

出　　处：《金属材料与冶金工程》2021年第1期38-42,共5页Metal Materials and Metallurgy Engineering

摘　　要：对凌钢5号高炉进行现场取样,测定样品中碱金属含量,计算分析了5号高炉碱金属的分布与平衡。碱金属的循环富集已影响了高炉的正常生产。结合凌钢生产情况,通过提高炉渣中的(MgO)含量来改善炉渣的脱硫能力,进而降低炉渣二元碱度,达到排碱的目的。结果表明,通过加强源头控制、集中排碱和长期排碱相结合的方式,高炉可以做到碱金属的收支平衡。Through systematic sampling and alkalis content analysis of samples, the distribution and balance of alkalis in No.5 blast furnaces was calculated and analyzed. The residual alkalis metals are circulated and accumulated constantly, which have affected the regular operation of the blast furnace. With practical data of Lingyuan Steel, the desulfurization ability of slag was improved by increasing the content of( MgO) in slag, so that the binary basicity of slag can be reduced to achieve the goal of alkali discharge. The results show that the balance of alkali metals can be achieved by strengthening the source control, combining the centralized alkali discharge and long-term alkali discharge.

关 键 词：碱金属 脱硫能力 排碱 

分 类 号：TF53[冶金工程—钢铁冶金]