青海快3

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电解铝灰铝渣中铝的回收方法

责任编辑:巩义天气 发表时间:2016-07-10 16:26

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  电解铝灰铝渣中铝的回收方法

  CHAOHUIHUISHOUFA

青海快3   CHAOHUISHIXIAOXINGZAISHENGLVCHANGPUBIANCAIYONGDEFANGFA,QIJUTIGUOCHENGSHI:JIANGGANGGANGPACHU(HUOLAOCHU)DELVHUIFANGZHIZAIYIGEQINGXIEDETIEGUOZHONG(FANGZHIZAITIEGUONEIGAOCHUDEYICE),LIYONGLVHUIZISHENDERELIANG,YONGTIEQIAOJINXINGRENGONGFANCHAO,JIEZHUHUOPOJINSHUYANGHUAFANGRESHILVHUIDEWENDUSHENGGAO,YOUYULVRONGTIKELIYULVHUIDESHIRUNXINGBUHAO,ZAIFANCHAODEGUOCHENGZHONGLVRONGTI(KELI)ZHUJIANDIHUIJIDAOTIEGUODEDIBU,RANHOUYONGGANGSHAOJIANGQIYAOCHUBINGZHUCHENGLVDINGZUOWEIHUILULIAOSHIYONG。ZAICHAOHUIGUOCHENGZHONG,YAOSHILIANGJIARUYIXIETIANJIAJI,YITIGAOLVHUIWENDU,ZENGJIALVRONGTIKELIDEBIAOMIANYULVHUIJIEMIANDEZHANGLI,YILIYULVRONGTIKELIDELIUDONGHEKUAISUDEJIJU,TIGAOLVDEHUISHOULV。MUQIANGUANGFANSHIYONGDETIANJIAJISHILVHUAXIN,LVHUAXINSUIRANKEYIQIDAOSHANGSHUZUOYONG,DANHUIZENGJIALVZHONGXINDEHANLIANG,JIANGDILVDEHUISHOULV。TIEGUOCHAOHUISHIYIZHONGBIJIAOYUANSHIDEFANGFA,CAOZUOJIANDAN,DANYINWEISHICHANGKAISHIZUOYE,HUICHANSHENGDALIANGDEHUICHEN,YOUQISHIJIARULVHUAXINDENGZHIHOUHUICHANSHENGLVHUALV,ZAIKONGQIZHONGXISHOUSHUIFEN,YIBUFENXINGCHENGLVHUAQING,BINGCHANSHENGDALIANGDEYANWU,DUIHUANJINGSHIYOUHAIDE。DUIZHONGXIAOXINGQIYEERYAN,DUICHANSHENGDEYANQIJINXINGYOUXIAODEHUANBAOCHULI,RUSHELIJIYANZHAO、ZENGJIASHOUCHENSHEBEIHEPENLINSHEBEIDENGSHIYIZHONGJIAOHAODEFANGFA。DANSHI,XUDUOQIYEMEIYOUHUANBAOSHEBEI,YOUDESUIRANJIANYOUJIANYIDEHUANBAOSHEBEI,DANXINGTONGXUSHE,YOUQISHIYIXIEGUIMOXIAODEQIYE,GENBENBUJUBEIJIANSHEHUANBAOSHEBEIDENENGLI,“JIAJIALIANLV,HUHUMAOYAN”SHIDUIYIXIERONGLIANLVXIAOQIYEMIJIDIQUDEZHENSHIXIEZHAO。JINJINIAN,YOUGUANBUMENDUIHUANJINGDEZHENGZHILIDUBUDUANJIADA,DANZHENGZHIGUOHOU,YOUYOUZAISHENGLVQIYECAIQULE“BAITIANTINGCHAN、YELISHENGCHAN”DEBANFA,YIYANSHIWURANWENTI。GENJUZILIAOJIESHAO,GUOWAIYEYOUYIXIEZHONGXIAOXINGZAISHENGLVCHANGRENGZAICAIYONGCHAOHUIDEFANGFA(RURIBENDEYIXIEZAISHENGLVQIYE)CHULILVHUI,DANPEIBEILEYOUXIAODEHUANBAOSHEBEI。

青海快3   QINGDONGHUIZHUANYAOCHULIFA

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  YAZHAHUISHOUFA

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  ZHONGXUANFACHULILVHUI

  重力选矿处理铝灰的主要设备是跳汰机青海快3,此法已经广泛用于钨、锡、金等贵重金属矿石的分选中,其原理是利用金属和脉石颗粒的密度不同,在以水为主要介质的环境中使之得到分离。目前跳汰机也成功地应用于再生资源领域,如从废电路板中回收铜、从碎电线中回收铜、从废耐火砖中回收贵金属、从合金钢磨屑料中回收金属等,在处理这些废料过程中,须将废料粉碎到一定的粒度,然后在以水为介质的环境中进行处理,使杂质与金属分离。跳汰机借助于机械的不对称往复运动和薄层斜面水流的联合作用,使矿粒分层,不同密度和粒度的矿粒沿着各自的运动方向分开,达到重力分选的目的。从理论上讲,该法用于处理经过热回收之后的铝灰(可以称之为二次铝灰)比较合适,但由于二次铝灰的成分与一些金属矿和以上提到的再生资源不同,二次铝灰的成分比较复杂,主要成分的物料密度差较小,尤其是铝的密度仅为2.7g/cm³,而氧化铝的密度为3.9~4.0g/cm³。因此,设备的设计、操作技术参数的控制、介质的选用等都是该技术的关键,跳汰机不失为处理二次铝灰的一种较好的选择。

青海快3   DIANXUANFACHULILVHUI

  电选的原理是利用各种物料的电性质不同而进行的一种选矿方法。由于磁铁矿、钛铁矿、自然金矿等金属矿物的导电性好,而矿物中的石英、长石、方解石、硅酸盐等导电性差,利用两者之间电性能的差异,用电选的方法分开。电选技术除应用于矿山的选矿过程外,已经在再生金属领域广泛应用,如碎塑料中非铁金属的分离、多种金属碎料混合物的分离、垃圾中回收铜和铝等。电选设备有一个转鼓,转鼓有良好的接地,同时转鼓的附近有一个高压直流电极,此电极对着转鼓产生一个电晕电场,转鼓上方有一个料斗,铝灰持续落到转鼓表面,并进入电晕场,此时铝灰中的各种成分都获得电荷,铝与其他物质的电性质不同,其中铝颗粒得到的电荷立即被转鼓导入地线而传走,失去电荷后,在转鼓离心力及重力的作用下,铝颗粒落下,而非导体带有电荷,吸附于转鼓上,被带到另一端,然后经过毛刷刷下,两者的落点显然不同,使铝灰中的铝及非铝物质得以有效分离。

青海快3   LIXINJISHUHUISHOULV

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青海快3   CONGYISHANGTONGGUODUIXIANXINGLVHUILVZHAZHONGLVDEHUISHOUQINGKUANGDEFENXIKEYIKANCHU,ZAIHUISHOUGONGYIFANGMIAN,QIJISHUSHUIPINGDOUBUSHIHENGAO,DANSHILVHUILVZHAZHONGDEDABUFENLVNENGGOUYOUXIAOHUISHOU,DADAOLEYIDINGDEJINGJIXIAOYI,RUGUOYAOTIGAOLVHUILVZHAZHONGDEHUISHOULVJIQIJINGJIXIAOYI,JIUBIXUJIEHEMEIZHONGGONGYIDEYOUDIAN,ZHAODAONENGGOUSHIHEGEGECHANGJIALVHUILVZHAHUISHOUDEGONGYI。