某高硅巴粗铁尾矿综合回收工艺试验  

Comprehensive Recovery Process Test of a High Silicon Coarse Iron Tailings

作　　者：魏黎明 彭少伟 王兆连 刘风亮 卢昊 窦海涛 魏守江 白子娇 WEI Liming;PENG Shaowei;WANG Zhaolian;LIU Fengliang;LU Hao;DOU Haitao;WEI Shoujiang;BAI Zijiao(Shandong Huate Magnetism Technology Co.,Ltd.)

机构地区：[1]山东华特磁电科技股份有限公司

出　　处：《现代矿业》2024年第7期158-162,共5页Modern Mining

摘　　要：为高效回收利用某巴粗铁尾矿中的有价矿物,在矿石性质研究的基础上,进行了综合回收工艺试验。试验结果表明:采用泥砂分级—中磁选铁—磨矿精选—强磁除杂—浮选提精—酸浸提纯—洗砂分级等联合工艺流程,可分别产出TFe品位61.25%、TFe回收率57.69%的铁精矿,SiO_(2)含量99.72%、Fe_(2)O_(3)含量0.039%的优质玻璃用粗粒石英砂精矿,SiO_(2)含量98.97%、Fe_(2)O_(3)含量0.127%的化工用细粒石英砂,SiO_(2)含量74.31%、TFe品位27.71%的水泥或加气砖等建材原料;研究结果为该种类型铁尾矿的综合回收利用提供了科学合理的技术依据。In order to efficiently recover and utilize the valuable minerals in a coarse iron tailings,a comprehensive recovery process test is carried out on the basis of the study of ore properties.The test results show that the combined process of mud sand classification-medium magnetic iron separation-grinding and cleaning-high intensity magnetic impurity removal-flotation refining-acid leaching purification-sand wash-ing classification can produce iron concentrate with TFe grade of 61.25%and TFe recovery rate of 57.69%,coarse-grained quartz sand concentrate for high-quality glass with SiO_(2) content of 99.72%and Fe_(2)O_(3) con-tent of 0.039%,fine-grained quartz sand for chemical industry with SiO_(2) content of 98.97%and Fe_(2)O_(3) con-tent of 0.127%,cement or aerated brick with SiO_(2) content of 74.31%and TFe grade of 27.71%.It provides a scientific and reasonable technical basis for the comprehensive recovery and utilization of this type of iron tailings.

关 键 词：分级 磁选 浮选 酸浸 二次资源利用 

分 类 号：TD926.4[矿业工程—选矿]