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金矿石

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金矿石

矿石性质

地球的黄金总储量大约有48亿吨,而分布在地核内的约有47亿吨,地幔8600万吨,而分布到地壳的只有不到1亿吨。地球上99%以上的金进入地核。金的这种分布是地球长期演化过程中形成的。地球发展早期?#38181;?#24418;成的地壳其金的丰度较高,因此,大体上能代表早期残存地壳组成的太古宙绿岩带,尤其是镁铁质和超镁铁质火山岩组合,金丰度值高于地壳各类岩石,可能成为金矿床的早的“矿?#24202;恪薄?#32508;上所述,金在地壳中丰度?#24403;?#26469;就很低,又具?#26143;?#30827;性、亲铜性,亲铁性,高熔点等性质,要形成工业矿床,金要富集上千倍,要形成大矿、富矿,金则要富集几千、几万倍,甚至更高,可见其规模巨大的金矿?#35805;?#35201;经历相当长的地质时期,通过多种来源,多次成矿作用叠加才可能形成。

加工工艺流程

金矿石选矿工艺步骤

金矿石工艺流程

1、金矿石加工工艺之金矿石破碎

原矿石由装载运输设备输送到金矿石破碎机生产线。喂到颚式破碎机的原矿石会?#40644;?#30772;碎成小块儿矿石,然后经由圆锥式破碎机破碎,终形成约0-10MM小颗粒,整个破碎流程就这样告?#27426;?#33853;。

2、金矿石加工工艺之金矿石?#24515;?/strong>

在第一步中,金矿石已经被破碎成约0-10毫米小颗粒,已经满足输送到金矿石?#24515;?#26426;——球磨机的需求。在料仓、振动给料机的作用下,这些小颗粒被均匀输送到球磨机中进行?#24515;ィ?#28982;后由分级机、水利旋流器等设备进行分级筛选,直到所有金矿石粉达到下一级生产作业的需求。

3、金矿石加工工艺之金矿石浓缩、电解、提纯

金矿石粉通过浓缩机进行提纯,与配好的化学溶剂混合后送入CIL装置系统中,通过该系统装置的作用,一些尾矿被剔除,精矿被送到电解装置中进行解吸,后通过熔炼即可得到目标黄金

金矿石加工工艺中常用设备

1、金矿石破碎加工工艺中主要用到的金矿石破碎机械

金矿石破碎加工设备主要由颚式破碎机圆锥式破碎机构成。

颚式破碎机

颚式破碎机

圆锥式破碎机

圆锥式破碎机

2、金矿石磨粉加工工艺中主要用到的金矿石粉磨机械

该工艺中主要的粉磨设备主要就是球磨机

圆锥式破碎机

球磨机

3、金矿石选矿工艺中主要用到的金矿石选矿设备

该工艺中根据金矿石的成色不同,所选用的金矿石选矿工艺类型不同,其所用金矿石选矿机械大相径庭。主要包括?#26680;?#21147;旋流器、浮选机、浸出槽、解吸电解系统?#22242;?#32553;机等等。

浮选机

浮选机

下?#40644;? />
                    <div class=

下?#40644;?/b>铁矿石

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