高铁煤泥直接还原铁精矿粉研究  

Direct Reduction of Iron Concentrate Powder from Coal Slime with High Iron Content

作　　者：陈伟鹏[1] 庞雅丹 陈晓丹 赵增武[1] 武文斐[1] CHEN Wei-peng;PANG Ya-dan;CHEN Xiao-dan;ZHAO Zeng-wu;WU Wen-fei(School of Energy and Environment,Inner Mongolia University of Science and Technology,Baotou 014010,Inner Mongolia,China;Beijing Huayuantaimeng Energy-saving Equipment Co Ltd,Beijing 100000,China)

机构地区：[1]内蒙古科技大学能源与环境学院,内蒙古包头014010 [2]北京华源泰盟节能设备有限公司,北京100000

出　　处：《矿冶工程》2020年第1期81-84,共4页Mining and Metallurgical Engineering

基　　金：国家自然科学基金(51764046);内蒙古自治区应用技术研究与开发基金(20130310);内蒙古自治区创新团队计划(NMGIRT1406)

摘　　要：采用煤泥还原白云鄂博铁精矿粉,研究了配碳比、还原时间、还原温度对铁精矿粉金属化率的影响。实验结果表明:煤泥还原铁精矿粉的最佳实验条件为:配碳比1.2、还原温度1250℃、还原时间30 min,此条件下金属化率达87.74%。该工艺可实现煤泥的高效清洁利用。Coal slime was used in the reduction of Bayan Obo iron concentrate powder,and the effects of different carbon ratio,reduction time and reduction temperature on the metallization rate of iron concentrate powder were investigated.The results show that the reduction of iron concentrate powder with coal slime under the following optimal experimental conditions,including carbon ratio of 1.2,reduction temperature of 1250℃,and reduction time of 30 min,can result in the metallization rate reaching 87.74%.It is concluded that this process can achieve the efficient and clean utilization of coal slime.

关 键 词：煤泥 直接还原 铁精矿 金属化率 

分 类 号：TD989[矿业工程—选矿] TF09[冶金工程—冶金物理化学]