振动气固流化床富集煤系硫铁矿试验研究

Research on Pyrite Enrichment from Gangue by Gas-Solid Vibrated Fluidized Bed

利用响应曲面法对硫铁矿回收过程中气速、振动能量与床高三者之间的协调作用进行了研究。采用XRD、SEM及EDS对硫铁矿的迁移规律进行研究,结果显示分选后的精矿中硫铁矿的含量得到了较大的提高。

The vibration energy was introduced to promote the separation of particles. The interactions and effect of comparison of the gas velocity, vibration intensity, and bed height were investigated. Pyrite was the foremost material in the concentrate as indicated by the XRD,SEM and EDS results, indicating that pyrite could be effectively enriched by the dry method of vibration fluidized bed after the separation.