含碳球团还原熔分试验研究  

Experimental Investigation of Reduction and Melting-separation for Carbon-bearing Pellets

作　　者：李荣[1] 郭江[1] 

机构地区：[1]济源职业技术学院冶金与化学工程系,河南济源454650

出　　处：《钢铁钒钛》2015年第4期83-87,共5页Iron Steel Vanadium Titanium

基　　金：河南省自然科学基金资助项目(项目编号:14B450001)

摘　　要：以铁精粉、煤粉和石灰石为主要原料制成含碳球团,进行还原熔分试验,并对渣铁形貌和渣铁分离程度进行分析。结果表明含碳球团还原熔分试验的最优方案是:还原温度1 480℃,配煤量(按wC/wO计算)1.2,还原时间22 min,炉渣二元碱度R21.0。在最优试验方案下,得到的粒铁产品质量指标良好,渣铁分离效果最佳,渣中Fe O含量最低,铁收得率高达98.62%。The reduction experiment was carried out on carbon-bearing pellets made of iron concentrate,pulverized coal and limestone. Morphology observation and separation degree of slag-metal had been analyzed. Based on these investigations an optimum experimental program for reduction and separation process was obtained as follows： temperature is 1 480 ℃,C / O is 1. 2,reduction time is 22 min and binary basicity of slag R2 is 1. 0. The optimal experiment scheme resulted in the highest reduction degree and a good quality index of granular iron,and the iron yield reached up to 98. 62%.

关 键 词：含碳球团 熔分还原 渣铁分离 粒铁 

分 类 号：TF046.6[冶金工程—冶金物理化学]