硼铁矿应用于高铬型钒钛矿烧结优化的实验研究  

Application of Boron-bearing Iron Concentrate to Optimizing Sintering Quality of High Chromium Vanadium-Titanium Magnetite Ore

作　　者：付小佼[1] 赵嘉琦[1] 陈双印[1] 储满生[1] 

机构地区：[1]东北大学材料与冶金学院,辽宁沈阳110819

出　　处：《东北大学学报（自然科学版）》2015年第8期1115-1119,共5页Journal of Northeastern University(Natural Science)

基　　金：国家自然科学基金重大资助项目(51090384);国家高技术研究发展计划项目(2012AA062302;2012AA062304);中央高校基本科研业务费专项资金资助项目(N140206003)

摘　　要：实验室条件下,研究了硼铁矿对高铬型钒钛矿烧结工艺及冶金性能的影响.研究表明:随着硼铁矿质量配比的升高,垂直烧结速度、成品率、转鼓指数、烧结杯利用系数、综合指标及低温还原粉化性能均呈先升高后降低的趋势,在硼铁矿质量配比为5.0%时,以上各指数均达到最高值,分别为28.84 mm·min-1,86.02%,61.2%,1.919 t·(m2·h)-1,363及90.76%,均优于未配加硼铁矿时的烧结矿性能.因此,烧结矿性能得以优化,可以为高炉冶炼提供更为优质的高铬型钒钛烧结矿.Experiment on the effects of boron-bearing iron concentrate applied to sintering of high chromium vanadium-titanium magnetic ore was carried out under laboratory conditions. The results show that, with the increase of boron-bearing iron concentrate addition, vertical sintering speed, sinter yield, tumbler strength, utilization coefficient raise at first then decrease, as well as composite indicator and RDI＋3.15. When boron-bearing iron concentrate addition is 5. 0%, the maximum values of the above indexes are 28. 84 mm·min-1, 86. 02% , 61.2% , 1.919 t·（m2 .h） -1, 363 and 90. 76% , respectively. The properties of sinter ore with adding 5.0% boron-beating iron concentrate ore are superior to the properties of sinter ore without boron-bearing concentrate. As a result, properties of high chromium vanadium-titanium magnetite sinter ore are optimized with adding balanced amount of boron-bearing iron concentrate, and can meet the higher requirements of blast furnace process.

关 键 词：高铬型钒钛矿 烧结矿 硼铁矿 冶金性能 综合指标 

分 类 号：TF046.6[冶金工程—冶金物理化学]