摘要
针对南钢低硅烧结矿低温还原粉化性能差的情况,研究了碱度与低硅烧结矿低温还原粉化性能之间的关系。结果发现,烧结矿中集中分布的赤铁矿、骸晶赤铁矿及孔洞是导致其低温还原粉化性能恶化的重要原因,要降低还原粉化率,应着重改善其微观结构。在南钢原料条件下,将碱度提高到2.3时,烧结矿微观结构得到改善,还原粉化性能提高。
To the question of bad low temperature reduction degradation property of low silicon sinter,laboratory tests were conducted to search the influences of basicity on the low temperature reduction degradation property. Data of experiment show that the centralized hematite, skeleton crystal hematite and the holes in the sinter are the main reasons to worsen low temperature reduction degradation property. To reduce the reduction degradation rate, the microstrueture muse be improved. In given raw material conditions, when increase the basicity to 2.3, the microstrueture and reduction degradation property were improved.
出处
《烧结球团》
北大核心
2008年第6期14-18,共5页
Sintering and Pelletizing
关键词
烧结矿
碱度
矿物组成
微观结构
低温还原粉化性能
sinter, basicity, mineral composition, microstructure,low temperature reduction degradation property
