论文部分内容阅读
内蒙朝不楞铁矿北带矿床是矽卡岩型富铋多金属矿床。我们采用优先浮选铋铜矿物,其尾矿选锌,选锌尾矿再磁选选铁的浮选—磁选流程获得较好指标。铋铜混合精矿采用氧化钙抑制辉铋矿浮铜,成功地分选了铋铜矿物。现将情况叙述如下: 该矿矿石品位是:TFe32.89%、Zn2.27%、Bi0.304%、Cu0.122%、Pb0.075%、Ag4.61(克/吨)。主要金属矿物有磁铁矿、闪锌矿、辉铋矿、磁黄铁矿、黄铁矿、黄铜矿等,尚有少量斑铜矿、蓝辉铜矿、孔雀石、自然铋、辉铋铅矿等矿物。脉石矿物主要是钙铁柘榴子石,还有少量的方解石、云母、闪石、磷灰石、石英和萤石。呈粒状的辉铋矿多存在于磁铁矿或柘榴子石颗
The North Dalang iron ore deposit in Northwestern China is skarn-type bismuth-rich polymetallic deposit. We use the preferred flotation bismuth copper minerals, the tailings Zinc, Zinc Tailings and then magnetic separation of the election flotation - magnetic separation process to obtain better indicators. Bismuth copper mixed concentrate calcium oxide inhibition of bismuth float copper, the successful separation of the bismuth copper minerals. Now the situation is described as follows: ore ore grade is: TFe32.89%, Zn2.27%, Bi0.304%, Cu0.122%, Pb0.075%, Ag4.61 (g / t). The main metal minerals are magnetite, sphalerite, bismuthinite, pyrrhotite, pyrite, chalcopyrite, etc., there are a small amount of burnt copper, blue chalcopyrite, malachite, natural bismuth, bismuth Lead ore and other minerals. Gangue minerals are mainly calcium iron garnet, and a small amount of calcite, mica, amphibole, apatite, quartz and fluorite. Bismuth in granular form is mostly found in magnetite or garnet stones