青海快3

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金刚石选矿方法

责任编辑:金工机械 发表时间:2016-05-20 09:15

  金刚石是稀有而贵重的矿产资源,选矿又是目前测定矿石中金刚石含量的唯一有效方法。金刚石选矿青海快3的目的是从矿石中解离和选出单体金刚石,在地质实验阶段还要对金刚石伴生矿物尽可能地回收,为地质普查、勘探和矿床储量计算提供可靠的依据。

  选矿方法分两个阶段:粗选和精选。粗选作业主要采用重选跳汰法进行,入选粒度上限为16mm,回收粒度下限为0.2mm。原生矿:首先进行破碎和分级(风化样品需预先筛分),然后进行跳汰分选青海快3。跳汰尾矿进入磨矿作业,再使未解离的金刚石解离。解离后再返回跳汰分选循环多次,直至矿石磨至入选粒度下限为止。在风化强烈的样品中,一般含黏土多,黏结作用强,在选别前要进行洗矿和预先筛分,使矿石得到碎散、脱泥并使达到入选粒度的矿石及时得到选别,以防止丢失和破碎金刚石。砂矿:在砂矿中,金刚石颗粒呈单体和松散砂粒或和黏土胶结状态存在。在选别之前,将矿石加以洗矿(碎散)、筛分分级和脱泥,把大块砾石和细泥尾矿分出,而得到净砂,再将净砂进行跳汰分选即可获得粗精矿。

青海快3   GENJUJINGANGSHIHECUJINGKUANGDEXINGZHI,JINGXUANZUOYECAIYONGDUOZHONGFANGFALIANHEJINXING。YIBANDAYU4mmDECAIYONGSHOUXUAN,-4+1mmDECAIYONGGUANGXUANHUOYOUXUAN,-1+0.2mmDECAIYONGLIFU、YAOCHUANG、CIXUAN、XUANMO、JIANRONG、ZHONGYEHEJINGXIATIAOXUANDENGFANGFA。SHAKUANGJINGXUANWEIKUANGYIBANFEIQICHULI,JIBUHUISHOUBANSHENGKUANGWUDEJINGXUANWEIKUANGFEIQI(LINGYOUGUIDINGDECHUWAI)。YUANSHENGKUANGJINGXUANHOUDEDAYU0.5mmJIBIEDEWEIKUANGXUYAOZAIMOZAIXUAN,FANFUXUNHUANXUANBIE;XIAOYU0.5mmJIBIEDEJINGXUANWEIKUANG,YIBANFEIQICHULI。HUISHOUBANSHENGKUANGWUDEJINGXUANWEIKUANGYAOBAOLIU,SONGJIAOZHONGSHAKUANGWUFENLICHULI。

青海快3   JINGANGSHIDESHIJIHUISHOULVZHIBIAO:ZONGHUISHOULVWEI ≥95%;+2mmWEI 100%;-2+1mm ≥98%;-1+0.5mm ≥92%;-0.5+0.2mm ≥85%。

青海快3   FEISHIZHONGJINGSHAHANLIANG(BUDECHAOGUO1%):CAIYONGFANGGEFAZAIFEISHIDUIZHONGQUYANGHUOZAIXIKUANGGUOCHENGZHONGCAIYONGDINGQIJIEQUDEFANGFA,JIANCHAYANGPINZHONGLIANG,YINGGENJUFEISHIDEZHIJINGDAXIAOERDING,YIBANWEI100-200kg。SHOUXIANJIANGSUOQUFEISHI(BIAOMIANRUNSHI)CHENGZHONG,RANHOUFANGRUTAOXISHAIPENNEICAXIGANJING,BINGSHIZHIJINGXIAOYUXIKUANGSHAIKONGDEWULIAOQUANBULOURUSHAIXIA,ZAICHENGCHUXIJINGHOUFEISHIDEZHONGLIANG,RANHOUKEYIJISUANCHUFEISHIZHONGJINGSHAHANLIANG。

青海快3   JINGSHAHANNILIANG(BUDECHAOGUO5%):ZAIJINGSHAZHONGXUANQUJIGEBUTONGBUWEIDEDIAN,CUOQUYOUDAIBIAOXINGDEJIANCHAYANGPIN,YIBANCUOQU5~10kg。JIANGJIANCHAYANGPINCHENGZHONGHOU,ZAIZHUANGYOUSHUIDERONGQINEI,YONGSHAIKONGWEI0.2mmDESHAIZIJIANGQIXIGANJING,LVGANCHENGZHONG。ZAIANJISUANGONGSHIJISUANCHUJINGSHAHANNILIANG。JINGSHAZHONGNIQIUHANLIANGDEJIANCHA,CHANGCAIYONGMUCEFA,YIBUFAXIANNIQIUWEIZHUN。

青海快3   YILIUSHUIZHONGDAYU0.2mmLIDU(BUDECHAOGUOl%):YONGTIESHAODINGQIJIEQUYILIUSHUI,JIANGQIDAORENPENNEI,DAICHENDIANHOU,BASHUICHUDIAO,CONGZHONGQUCHUKUANGNI,FANGRUSHAIKONGWEI0.2mmDESHAIZILISHAIXI,ZAICHENGQISHAISHANGWULIAODEZHONGLIANG。RANHOUANGONGSHIJISUANCHUYILIUSHUIZHONGDAYU0.2mmDEWULIAOHANLIANG。

  YILIUSHUIZHONGDAYU0.2mmWULIAONEIZHONGKUANGWUHANLIANG(BUDECHAOGUO0.5%):JIANGYILIUSHUIZHONGDAYU0.2mmDEWULIAOGANZAO、CHENGZHONG,ZAIFANGRENMIDUWEI3.1cm³/gDEZHONGYEZHONGJINXINGFENLI,RANHOUCHENGCHUMIDUDAYU3.1cmVgDEZHONGKUANGWUDEZHONGLIANG。ZUIHOUANGONGSHIJISUANCHUYILIUSHUIZHONGDAYU0.2mmWULIAOZHONGDEZHONGKUANGWUHANLIANG。

  YIJINGANGSHIDEJIXIEPOSUILVWEIYIJU,WEILEBAOHUJINGANGSHIDEJINGTIWANZHENG,YAOQIUBAPOSUIZUOYEDEJINGANGSHIJIXIEPOSUILVJIANGDIDAOZUIDICHENGDU。TONGCHANGYIZHIJIEYINGXIANGJINGANGSHIPOSUILVDEPAIKUANGKOUCHICUNLAIJIANJIEHENGLIANGSUIKUANGZUOYEDEZHILIANG。SHIJIANBIAOMING:ESHIPOSUIJIDEPOSUIBIYIBANXUANZEZAI2~3ZHIJIAN。YONGMOKUANGNONGDULAIHENGLIANG,YISHIJIDEJINGANGSHIPOSUILVJINXINGDIAOZHENG。YIBANDI,CHULIXINYINGKUANGSHISHI,NONGDUWEI75%ZUOYOU;CHULIFENGHUARUANKUANGSHISHI,NONGDUKESHIDANGJIANGZHI65%ZUOYOU。NONGMIDOUSHENGLIAOBUDECHAOGUOQIRONGJIDE70%。

  ZAITIAOTAIZUOYEZHONG,ZHIJIETOUFANGJINGANGSHIHUOZHISHIKUANGWU(BOLIBIZHONGQIU),MEICIJIARUJINGANGSHIDEKESHUWEI5~10KE,JIARUBOLIBIZHONGQIUDEKESHUWEI10~20KE。HUISHOULVANDANGEYANGPINJISUAN,BUDEXIAOYU95%。DUITIAOTAIWEIKUANGJINXINGBUFENHUOQUANBUQUYANG,ZHONGXINJINXINGTIAOTAIFUXUAN。JIANCHAWEIKUANGZHONGJINGANGSHILIUSHIQINGKUANG,YIJISUANTIAOTAIZUOYEDEHUISHOULV。ZHIJIEZAITIAOTAIDEWEIKUANGZHONGQUYANG,ZAIZHONGYEZHONGFUCHEN,JISUANZHONGKUANGWUDEHANLIANG。TONGLIYEKECEDINGYUANLIAOZHONGZHONGKUANGWUDEHANLIANG,ZAITONGGUOJISUANDEDAOZHONGKUANGWUDESHIJIHUISHOULV。ZHIJIETOUFANGJINGANGSHIHUOZHISHIKUANGWU,HUISHOULVYINGWEI100%。

  ZAICAIJUEDESHAKUANGYANGPINHEJINGSHAYANGPINZHONGJIARUBOLIBIZHONGQIU,RANHOUCONGTIAOTAIZUOYEDECUJINGKUANGZHONGHUISHOU,FENBIEJIANCHAYUANYANGPINYUNSHU、XIKUANG、JINGSHAYUNSHUJITIAOTAIXUANBIEZUOYEDENGGEGONGXUDEHUISHOULV。ZAIKUANGCHUANGKANTANJIEDUAN,ZAICAIJUEDESHAKUANGYANGPINZHONGJIARUJINGANGSHI(JINGCHENGZHONG、MIAOSHU),RANHOUCONGxGUANGXUANJISHOUXUANDEJINGKUANGZHONGHUISHOU,YIJIANCHAXUANBIEZUOYEQUANGUOCHENGDEZHILIANG。XIANGYANGPINZHONGJIARUBOLIBIZHONGQIUHEJINGANGSHIJINXINGZHILIANGJIANCHA,ANDANGEYANGPINJISUANHUISHOULVBUDEDIYU95%。

  金刚石主要产于金伯利岩中,金伯利岩中重矿物的含量,因金伯利岩类型、产地而异,但其中绝大部分(约99%)矿粒的比重低于金刚石比重,因此,重选法是金刚石矿石分选的有效方法之一。跳汰选矿青海快3是利用矿物间的比重差来选分的一种重选方法,不需要添加任何药剂,因此选矿过程无化学污染。多年的实践表明:跳汰选矿分选的效果好,工艺过程简单,操作管理方便,特别是在地质实验阶段,更显露出它回收率高、设备轻便的优点,是被国内外普遍使用的一种方法。精选的基础是矿物的物理性质和化学性质,例如颜色、光泽、硬度、比重、形状、粒度、导磁性、导电性、表面润湿性、耐磨性等,方法可靠,效果良好。