青海快3

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国内金矿使用跳汰机回收粗粒金技术

责任编辑:admin 发表时间:2016-05-09 08:56

  在含粗粒金的选矿中,由于金密度高、可磨性差,单一浮选难以回收,大部分粗粒金损失于尾矿中,不仅造成资源的浪费,而且影响企业的经济效益,所以尽早在磨矿分级回路中回收粗粒金很有必要。回收粗粒金的选矿设备类型很多,有跳汰机、摇床、溜槽、螺旋选矿机、淘金盘等,跳汰机由于其选别效果好、处理能力大、处理粒度级别宽、占用厂房面积小、结构坚固、便于操作和维修等优点,在国内外广泛地应用于金选厂,在磨矿分级回路中回收粗粒金。国外一直比较重视粗粒金的回收,早在20世纪40年代美国就应用跳汰机回收矿石中的粗粒金,并取得了好的效果。在我国,先后有灵山、乳山、蚕庄、黑岚沟等金矿采用跳汰机回收粗粒金青海快3,不仅有效地回收了金,而且跳汰精矿经摇床和溜槽精选后,可获得品位为40%~80%的毛金,直接冶炼可得成品金。

  TIAOTAIJIZHONGLEIHENDUO,GENJUQIJIEGOUJISHUILIUYUNDONGFANGSHIKEFENWEIGEMOTIAOTAIJI、KONGQISHITIAOTAIJIHEDONGSHAITIAOTAIJI。KONGQISHITIAOTAIJIZHUYAOYONGYUXIMEICHANGXIMEI,SHEBEIDETIAOTAIMIANJIDA,ZIDONGHUACHENGDUGAO,ERYOUSEJINSHUKUANGXUANKUANGYIGEMOTIAOTAIJIWEIZHU。SUIZHEKEXUEJISHUDEBUDUANFAZHAN,GEMOTIAOTAIJIDECHUANDONGFANGSHIDEDAOLEGAIJIN,ZAIYUNNANYUANYANGJINKUANGCAIYONGXINXINGJUCHIBOTIAOTAIJI,TIAOTAIJINGKUANGJINDEHUISHOULVDADAO80%YISHANG,TIAOTAIJINGKUANGJINGYAOCHUANGCHULIHOU,KEZHIJIEYELIANHUODECHENGPINJIN。CHUANTONGDETIAOTAIJIDUOWEIYUANZHOUPIANXINQUDONG,QITIAOTAIMAIDONGQUXIANWEIZHENGXIANBOXING,YOUGEMOYUNDONGCHANSHENGDESHANGSHENG、XIAJIANGSHUILIUSUDUHEZUOYONGSHIJIANJIBENXIANGTONG,ERJUCHIBOTIAOTAIJIMAIDONGQUXIANCHENGJUCHIBOXING,SHISHANGSHENGSHUILIUKUAIYUXIAJIANGSHUILIU,SHANGSHENGSHIJIANDUAN,XIAJIANGSHIJIANZHANG,ZENGQIANGLECHUANGCENGDESONGSANDU,HUANJIELEXIRUZUOYONG,SHIKUANGWUZHONGDEZHONGKUANGLIDEDAOCHONGFENCHENJIANG,DADATIGAOLESHEBEIDEXUANBIENENGLIHEHUISHOULV。RUXUANWULIAOJIDAOCHUANGCENGSHANGMIAN,YUCHUANGSHIHESHUIZUCHENGLIQUNTIXI。DANGSHUILIUXIANGSHANGCHONGJISHI,LIQUNTIXICHENGSONGSANXUANFUZHUANGTAI,ZHEISHIQING、ZHONG、DA、XIAOBUTONGDEKUANGLIGEJUYOUBUTONGDECHENJIANGSUDU,DAMIDUDECUKELICHENJIANGYUXIACENG。DANGSHUILIUXIAJIANGSHI,CHANSHENGXIRUZUOYONG,CHUXIANLE“XILI”XIANXIANG,JIMIDUGAOERLIDUXIAODEKUANGLICHUANGUOCUKELIDEJIANXIJINRUXIACENG,YOUYUGEMOSHANGXIAYUNDONGDUOCIXUNHUAN,LIQUNTIXIANMIDUJINXINGLEFENCENG,CONGERQIDAOTIAOTAIJIFENXUANZUOYONG。

青海快3   YUANYANGJINKUANGWEIFUZADUOJINSHUKUANG,ZHUYAOJINSHUKUANGWUWEIHUANGTIEKUANG、FANGQIANKUANGHEHUANGTONGKUANG,JINZHUYAOSHIZIRANJIN,DABUFENYIDANTIJILUOLULIANSHENGTICUNZAI,KELICUXIBUJUNYUN,LIJINGWEI0.21~0.005mm。GAIKUANGZHONGCULIJINZHAN58.03%,ZHEIBUFENJINYOUYUMIDUDA,FUXUANSHINANYISHANGFU,SHIDECUKELIJINMEIYOUDEDAOHENHAODEHUISHOU,DABUFENCULIJINSUNSHIYUWEIKUANGZHONG,SUOYIJIZAOHUISHOUCULIJINSHIXIANCHANGPOQIEXUYAOJIEJUEDEDAWENTI。JINLIANGNIAN,XIANCHANGZAIMOKUANGFENJIHUILUZHONGPUSHEMAOTAN,YONGRENGONGQINGXIMAOTANDEFANGFAHUISHOUCULIJIN,ZHEIZHONGFANGFASUIRANKEYIHUISHOUYIBUFENCULIJIN,DANJINZAIXIMAOTANDEGUOCHENGZHONGSUNSHILVDA,GONGRENLAODONGQIANGDUTAIDA。JINGGUODUITIAOTAIJI、LUOXUANXUANKUANGJI、YAOCHUANG、LIUCAODENGSHEBEIDEKAOCHAJIBIJIAOSHIYAN,TONGSHIKAOLVCULIJINZUISHIYI。TIAOTAIJIBUJINZHANDIMIANJIXIAO,BUXUYAODADEGAOCHA,QIEPAICHUDEWEIKUANGBUXUNONGSUOGONGXUJIKEJINRUXIANCHANGXIANCHANGKONGJIANJISHISHIDEKENENGXING,ZUIZHONGXIAOSHIJIEGUOKEYIKANCHU,TIAOTAIJINENGSHIJINPINWEIFUJI8.61BEI,QIETIAOTAIJINGKUANGDEHUISHOULVYEJIAOGAO。GENJUXIAOXINGSHIYANJIEGUO,BINGZONGHEGUONEISHIYONGTIAOTAIJIHUISHOUCULIJINDEXUANKUANGCHANGSUOSHIYONGSHEBEILEIXING,RENWEIJUCHIBOTIAOTAIJIBIQITALEIXINGDETIAOTAIJIDUIGAIKUANGCULIJINHUISHOUGENGYOULI。

  CHULIXILIWULIAOSHICAIYONGRENGONGCHUANGCENGSHAIXIAPAIKUANG,ZUIZHONGYAODESHIXUANZEHESHIDECHUANGSHIJICHUANGCENGHOUDU。GAIKUANGSHICHUANGSHIXUANZEZHUTIEQIU,QIUJINGWEI5~10mm。RENGONGCHUANGCENGHOUDUZHIJIEYINGXIANGJINGKUANGCHANLVHEZHILIANG,SHIDANGDECHUANGCENGHOUDUSHIHUODEHAOZHIBIAODEGUANJIAN。GONGYEDIAOSHIQIJIAN,YOUYUJINPINWEIBIANHUAJIAODA,LIECHUDESHUJUJUNWEIJIAQUANPINGJUNZHI。CONGGONGYEDIAOSHIZHIBIAOKEYIKANCHU,CHUANGCENGHOUDUYUJINPINWEIHEHUISHOULVZHIJIANDEGUANXIMIQIE,CHUANGCENGYUEHOU,JINGKUANGCHANLVYUEDI,CISHIJINGKUANGPINWEIJIAOGAO;SUIZHECHUANGCENGHOUDUDEJIANGDI,JINGKUANGCHANLVZENGDA,HUISHOULVSUIZHITIGAO。DUIYUGAIKUANGSHI,CHUANGCENGHOUDUYI80mmWEIHAO,JINGKUANGCHANLVKONGZHIZAI8%~12%。TIAOTAIJIDECHONGCHENG、CHONGCIZUHEZHIJIEYINGXIANGCHUANGCENGDESONGSANDUHESONGSANFANGSHI,SHITIAOTAIJICAOZUODEJIBENCANSHU。YIBANDEDIAOZHENGYUANZESHI:DACHONGCHENGXIAOCHONGCI,XIAOCHONGCHENGDACHONGCI。GONGYEDIAOZHENGSHIYINGYISHOUGANCHUANGCENGSONGSAN,BINGQIEYOUCHOUXILIWEIYI。DUIGAIKUANGYICHONGCHENG12mm,CHONGCI140CI/minWEIYI,CISHITIAOTAIJINGKUANGDEHUISHOULVZAI80%YISHANG。CHUANGCENGHOUDUJICHONGCHENG、CHONGCIDIAOZHENGHAOHOU,WEILEHUODEGENGWENDINGDEZHIBIAO,HAIYAODIAOZHENGHAOSHAIXIABUJIASHUI;LINGWAI,WEILESHICHUANGCENGHOUDUYOUZUGOUDEDIAOZHENGFANWEI,HAIKEYIDIAOZHENGYANBANGAODU,YIHUODEGENGHAODEXUANBIEZHIBIAO。GENJUGECANSHUDEDIAOSHIJIEGUO,ZUIZHONGQUEDINGCHUANGCENGHOUDUWEI80mm,CHONGCHENGWEI12mm,CHONGCIWEI140CI/min,BUJIASHUIGENJUCHUANGCENGSONGSANQINGKUANGDIAOJIE。GONGYEDIAOSHIQIJIAN36GEBANTIAOTAIJIXUANJINPINGJUNZHIBIAOWEI:YUANKUANGJINPINWEI4.24g/t,JINGKUANGJINPINWEI34.14g/t,JINGKUANGCHANLV10.47%,JINGKUANGJINHUISHOULVWEI84.30%,KEYIKANCHUTIAOTAIJIDUIJINDEHUISHOUSHIHENYOUXIAODE。

  锯齿波跳汰机青海快3克服了传统跳汰机上下水流速度时间相同的缺点,上升水快于下降水流,增强了床层的松散度,使床层更松散,更有利于金的回收。所使用的LTA55/2锯齿波跳汰机主要技术参数如下:跳汰面积0.57m²,给矿粒度5mm,冲次60~160次/min,冲程10~17mm,处理能力1~2.5t/h。原矿石经球磨机磨矿后,进入跳汰机选别,跳汰尾矿经螺旋分级机分级后细度为74μm占60%左右,进入浮选作业;跳汰精矿经摇床精选可获得含金40%的毛金,直接冶炼即可得到成品金。只要根据矿石性质选好床石粒度,调整好床层厚度、冲程冲次、补加水量等参数,就可获得好的选别指标。实践证明,跳汰机的回收率可达80%以上,用跳汰机回收粗粒金不仅简单方便,而且经济合理,值得在有粗粒金的选矿作业中推广使用。