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我厂由于在生产上采用了从铅精矿中选锌(铅精矿中除锌)的措施,使锌回收率提高了2.6％,铅精矿品位提高了4.3％,铅精矿含锌降低了4％,铅精矿质量由四级品提高到二级品,全年创造价值达32万多元,取得了很大的成绩。我厂所处理矿石是多金属硫化矿,金属矿物有方铅矿、闪锌矿、黄铁矿、磁铁矿和黄铜矿。脉石为绿簾石、石灰石、石榴子石和少量的石英、云母等硅酸盐和炭酸盐类。所采取的浮选流程是铜铅锌全浮选,然后分别优
As a result of adopting the measures of selecting zinc from lead concentrate (removing zinc from lead concentrate) in our factory, the zinc recovery rate increased by 2.6%, the grade of lead concentrate increased by 4.3% and the zinc content of lead concentrate decreased 4%. The quality of lead concentrate is upgraded from Grade 4 to Grade 2, and the value of the whole year is up to more than RMB 320,000. Great achievements have been made. I plant processing ore is polymetallic sulphide ore, mineral galena, sphalerite, pyrite, magnetite and chalcopyrite. Gangues for the epidote, limestone, garnet and a small amount of quartz, mica and other silicates and carbonates. The flotation process adopted is copper, lead and zinc flotation, and then respectively excellent