青海快3

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利用选矿跳汰机重选回路提高金矿精矿品位工艺方法

责任编辑:admin 发表时间:2016-05-11 09:34

  某矿床具有资源储量为5800万t矿石,金品位为2.65g/t。对给矿磨至140μm占80%的氰化浸出渣进行传统的重液分离,结果表明,新的矿床中与细粒硫化矿物连生的含金黄铁矿的量比老矿床的量大。为了使金得到最优的回收,用重选回路提高精矿品位是必要的,确定选矿厂建设所需要的参数的计划已经开始。本文对选用跳汰机为主的重选回路的选矿工作进行描述。

  YONGZHONGXUANCHULIXINKUANGSHIJINCHUWEIKUANG,KEHUODECHANLVXIAOHEJINPINWEIGAODEZHONGXUANJINGKUANG,ZHONGXUANJINGKUANGJINGXIMOHEQINGHUAHOU,KEZENGJIAXINKUANGSHIJINDETIQULV。LIUHUAKUANGSHIZHIJIEMOZHIP80=150μmHOUQINGHUA,DANHUISHOULVJIAODI,WEILETIGAOJINGJIXIAOYI,YINGDUIXIANYOUDEYIYUANZHUIXUANKUANGJIWEIJICHUDEHUILUJINXINGGAIJIN,YOUQISHIYONGLIXINZHONGXUANSHEBEIHUISHOULIDUWEI25~75μmZAIJINKUANGWU。QUEDINGZHEIXIESHEBEIDAITIGAIKUANGYIQIANSUOYONGYUANZHUIXUANKUANGJIDEKENENGXING。

青海快3   SHIYANBIAOMING,ZAI35~55t/hDESHIYANCHULILIANGFANWEINEI,CHULILIANGDEZENGJIAMEIYOUDUIJINHUISHOULVCHANSHENGBULIYINGXIANG。YINCI,HELIDEHOUXUBUCHONGSHIYANSHIYANJIUZAIJIAOGAODECHULILIANGHECHANLVSHIDEQINGKUANG。ZHEIJIANGXUYAOZENGDATIAOTAIJIDESHAIKONGHECHUANGSHIDELIDU,HAIYAOPINGJIALIANGDUANFUJIQINGKUANG,YINWEITIAOTAIJIJINGKUANGCHANLIANGXIANGDUIXIANYOUDELISHIMOKUANGJIDECHULILIANGSHITAIGAOLE。YOUHUAGONGYIJIANGYUANZHUIXUANKUANGJIDEHUNHEJIKUANGJIDAODAIYOUKONGJINGWEIlmmSHAIBANDETIAOTAIJIZHONG。KAOCHAGAITIAOTAIJIDECAOZUOCANSHUHEKEKAOXING,DUIKUANGSHIDEPINGXINGSHIYANSHIZAISHIYANSHIHEKUODASHIYANCHANGZHONGWANCHENG。ZHEIXIEYANJIUJIEGUOJINYIBUZHENGSHILE,GAOCHULILIANGDETIAOTAIJICHANCHUDECUXUANJINGKUANGNENGYONGSHIYANSHIFENXUANJIZAIBAOZHENGGAOHUISHOULVDEQIANTIXIATIGAOPINWEI。

  MOKUANGGONGDUANDECHULINENGLIWEI360~600t/h。JINGUANMEITAITIAOTAIJIDEBIAOCHENGCHULINENGLIWEI85t/h,DUIYUMOUXIEHUNHEKUANG,CHULINENGLIYEKEYIZENGJIADAO100t/h。SHIYANQIWENSHEBEICHULINENGLICENGDADAO120t/h,DANMEIYOUZUGOUDESHIJIANQUEDINGZAICITIAOJIANXIASHEBEINENGQUDEZENYANGDEJIBENXUANKUANGZHIBIAO。KEYIRENWEI,ZHEIBUSHILINJIEZHUANGTAI,YINWEIYANGHUAKUANGHANLIANGGAODEKUANGSHIDECHULILIANGZUIGAO,ERYANGHUAKUANGDEZONGHUISHOULVYUTIAOTAIHUILUGUANXIBIJIAOXIAO。

  重选回路由粗选段的跳汰机和精选段的螺旋选矿机组成。精选产出的精矿用立式球磨机闭路磨到标称粒度为-38μm占80%,然后氯化。强化氯化的尾矿再返回到浸出给矿中。跳汰机给矿的脱泥和床石的回收都是在高于3台跳汰机标高上完成的,跳汰机的重选给矿是通过一台普通的给矿箱完成。通过可移动的操作平台接近跳汰机。

  TIAOTAIJIZHONGXUANZAIYUANSULIUHEJINDEHUISHOULVZAILIDUCHUYU30-200μmSHIDADAOZUIDA,LIDUDAYU200μmSHI,JINHEJINPINWEIHANLIANGDIDELIUHUAKUANGWUJIELIDUDI;LIDUXIAOYU30μmSHI,YINWEIWULIAOZAIZHONGXUANSHEBEINEISHIXIANYOUXIAOFENLIDETINGLIUSHIJIANTAIDUAN,JINHEZAIJINKUANGWUSUOHUODEDEZUIZHONGSUDUYEBUZU,CONGERDAOZHIHUISHOULVJIJUXIAJIANG。

  应用特制的离心跳汰机青海快3产出高品位精矿或甚至最终精矿。为了在略降低回收率的前提下增大处理量,精矿产率增加,但对品位的提高是有害的。跳汰机的精矿已经证明是非常适合后续的螺旋溜槽回路选别富集,它的效果已经得到了肯定,这主要是由于跳汰机动态的筛分性能好,它产出的精矿粒度范围窄,是理想的螺旋溜槽的给矿。