论文部分内容阅读
为开发利用西藏某铅锑锌矿进行了矿石工艺矿物学研究。结果表明,原矿铅含量为2.23%,锑含量为1.49%,锌含量为6.12%,铅、锑主要以硫锑铅矿、脆硫锑铅矿形式存在,辉锑矿、方铅矿较少,锌主要以闪锌矿存在。探索试验确定了优先选铅锑再浮选锌的原则工艺流程,采用新药剂T89作抑制剂,A19作铅锑捕收剂,最终获得铅品位38.79%、回收率85.03%、锑品位19.64%、回收率70.42%的铅锑精矿,锌品位51.46%、回收率86.58%的锌精矿的较好选矿指标。同时,伴生元素银在铅锑精矿中得到了富集,品位为3197.64 g/t,回收率为76.59%,实现了矿产资源的综合利用。
In order to develop and utilize some lead-antimony-zinc ore in Tibet, the ore process mineralogy was studied. The results show that the lead content of the ore is 2.23%, the content of antimony is 1.49% and the content of zinc is 6.12%. The lead and antimony are mainly in the form of stibnite and jamesonite, with less stibnite and galena, Zinc is mainly present in zinc blende. The exploration and experiment confirmed the principle process of preferentially selecting antimony and then flotation of lead by adopting the new reagent T89 as inhibitor and A19 as lead and antimony collector, finally obtaining the lead grade of 38.79%, the recovery rate of 85.03% and the antimony level of 19.64% Recovery rate of 70.42% lead antimony concentrate, zinc grade 51.46%, recovery of 86.58% of the better beneficiation indicators of zinc concentrate. At the same time, the associated elemental silver was enriched in lead-antimony concentrate, with a grade of 3197.64 g / t and a recovery rate of 76.59%, thus achieving the comprehensive utilization of mineral resources.