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JT锯齿波跳汰机重选黑钨矿效益

责任编辑:金工机械 发表时间:2016-05-24 09:15

  跳汰机是黑钨矿选矿的主要重选设备之一,传统的典瓦尔型跳汰机(隔膜跳汰机),跳汰曲线为正弦波性,选别过程中上升水流和下降水流强度相同,选别细粒级别物料回收率低,耗水量大。新型的JT型锯齿波跳汰机,具有锯齿波型差动跳汰曲线,压程快,吸程缓慢,加强了床层松散及矿粒按比重分层作用,有利于细粒重矿物的充分沉降(钻隙作用),可大幅度减少筛下补加水量。弥补了典瓦尔型跳汰机的不足,因而对处理宽级别物料,回收率高且节省水、电。铁山垅钨矿用JT型锯齿波跳汰机代替典瓦尔型跳汰机,选别0.477%的-1.6mm粒级合格矿石,产出精矿品位34.72%,回收率61.96%,较典瓦尔型跳汰机回收率高 3.34%,节约水量32%。用其处理-12mm粒级原矿石,也获得较好的选别指标。

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  (3)ZIZHIGANGTIAOSHAIQUDAITIAOTAIJISHAIBAN。YUANSHEJITIAOTAIJISHAIBANWEI6mmFANGKONGBIANZHIDAI,ZHEIZHONGSHAIBANBUZUZHICHU,YISHIXUPUSHEJIAOCULIDUDECHUANGSHI,YOUCIXUJIADASHAIXIABUJIASHUILIANGYIBAOCHICHUANGCENGXUANFUSONGSAN。ERSHISHAIWANGGANGXINGBUZU,XUANBIEGUOCHENGSHAIMIANCHANSHENGTIAODONG,DAOZHICHUANGSHIYIDONG,CHUANGSHIHOUDUBUYUN,CHUANGCENGWENLUAN,YINGXIANGXUANBIEXIAOGUO。GENJUXIANCHANGSHIJIANJINGYAN,CAIYONG3mmHOUBIANGANGTIAOZIZHISHAIBAN(SHAIKONG2-3mm)。SHAIBANANZHUANGGUDINGZAIGANGZHIKUANGJIASHANG。BUJINJIEJUELESHANGSHUWENTI,ERQIESHAIBANBIANYUCHAIXIEQINGLI,SHIYONGQIXIANYEDADAYANZHANG。

  处理-1.6mm粒级合格矿石,JT型锯齿波跳汰机和典瓦尔型跳汰机相比,电耗减少0.17kWh/t矿,下降22%;水耗减少0.93m³/t矿,节省32%;材料,配件消耗减少0.037元/t矿;回收率提高3.34%,其中-0.71mm粒级回收率提高10-12%。加工处理1t矿石净增效益4.446元。用JT型锯齿波跳汰机处理-12mm粒级含钨 0.676%的原矿石,得到精矿含钨35.10%,回收率55.5%,精矿富集比51.9.可回收绝大部分单体黑钨矿,直接送精选段加工,实现钨的早收多收,为减少选矿过程中钨的损失,节约选矿能耗起到积极作用。JT型锯齿波跳汰机是一种较典瓦尔型跳汰机优越的黑钨矿重选设备。该机具有设计结构紧凑,运转平稳,易耗件少,操作方便,单位面积处理量大,节省水、电,回收率高等优点,推广应用锯齿波跳汰机具有明显的经济效益。