摘要
栗木锡矿选矿厂重选尾矿经强磁选脱铁,非磁性物中石英、钠长石、钾长石及云母矿物含量合计达98%,为充分、高效利用该二次资源,进行了浮选分离工艺研究。结果表明,在不磨矿、硫酸调酸的情况下,采用1次云母浮选、1粗3扫3精浮选长石、中矿顺序返回流程处理矿样,获得了K_2O与Na_2O总含量达10.18%、长石矿物含量达90%的长石精矿,SiO_2含量达93.71%、石英矿物含量达85%的石英精矿,以及云母矿物含量达90%的云母精矿。石英精矿、长石精矿、云母精矿品质均满足工业应用要求。探索了一条实现栗木锡矿非金属矿物绿色、高效资源化利用的途径。
After Fe removal by high intensity magnetic separation from gravity tailings of Limu Tin Mine, the sum of total non-magnetic minerals including quartz, mica, albite and potassium feldspar is about 98%. In order to fully and efficiently uti- lize such secondary resources, the floatation separation process was carried out. The study results showed that under condition of non-grinding and acidifying with sulphuric acid, the sample was processed with one-stage floatation for mica, one roughing-three scavengings-three cleanings flotation for feldspar, and middling back to the flowsheet in turn. By the process, feldspar concen- trates with the contents of K2O and Na2O in total 10. 18% ,contents of feldspar minerals 90% ,quartz concentrate with contents of SiO2 93.71%, contents of quartz minerals 85%, and mica concentrates with contents of mica minerals 90%, were obtained separately. The quality of feldspar concentrate, quartz concentrate and mica concentrate meet the requirements of industrial ap- plications. A green and efficient resource utilization solution has been explored for non-metallic minerals in Limu Tin Mine.
出处
《金属矿山》
CAS
北大核心
2017年第1期183-187,共5页
Metal Mine
关键词
锡矿
重选尾矿
非磁性物
浮选
云母
长石
石英
二次资源
Tin mine, Gravity tailings, Non-magnetic minerals, Flotation, Mica, Feldspar, Quartz, Secondary resources
