第137章 门外汉(续)(2 / 2)

官话 豫西山人 1689 字 2022-07-30

陈观就象一个小学生一样,啥都想问!

刚问完坑口卖矿的价钱,陈观又问如果来卖金精粉,都需要什么程序?

张青马上就又拿了一个进料流程,一项一项给陈观解释。

陈观听后算是明白了,如果有了金精粉,需要卖给黄金冶炼厂、或者到黄金冶炼厂来料加工,得先签订合同。发货前得先打电话通知,报告金精粉自检的品位、数量,因为黄金冶炼厂进料时间是上午8点到下午4点,其它时间车不准进料场。车到料场后,要经过过磅、点斤、取仲裁样、化验取样几个主要环节,最后依据化验结果和过磅、点斤的数量来算账结算。其中,取仲裁样很关键,如果金精粉厂家对冶炼厂的化验结果不满意,就得靠仲裁样来协调解决。而仲裁样的化验不在水泉,而是在古都进行。

陈观一听,马上就意识到如果有要来冶炼厂卖金精粉,就得想法认识化验员。不然的话,化验品位低1克,吃亏就大了!

该问的都问了,张青该说的也都说了!陈观心里比较来比较去,觉得要是矿石品位高的话,还是搞来料加工比较合算。可惜,水泉黄金冶炼厂只收金精粉,不收原生矿石。

不死心的陈观,又问张青,桑园、临关一带有没有选矿和冶炼一体的冶炼厂?

遇到门外汉了,张青只能耐心的告诉陈观,黄金冶炼主要是三个方法,即火法提金、湿法提金、电法提金。火法提金是古代人干的事儿,早已不用;电法提金耗电量大、成本高,也基本不用。我们现在采用的都是湿法提金的冶炼方法。最简单的办法,就是开碾子的个体户常干的那种,买台粉碎矿石的碾子,扯上电线,用碾子把矿石粉碎后,加入氰化物,通过汞板选出汞膏,再把汞膏用坩埚熔化,加入银子提纯,得到金块。但是这种方法太过简单,黄金回收率太低,20克含量的矿石,能炼出来12、3克都不错了,更别说金矿石中伴生的银子、铜、锌、铁、硫酸等矿物质了,损失太大,而且提炼出来的金子纯度不够,能达到95%纯金就不错了!有的矿,黄金品位不高,但含银量、含铜量高,照样赚大钱,要是让小碾子选,就全糟蹋了,搞不好还得赔钱!

陈观绝对不会去开小碾子的,所以听得直点头!

张青说,比较先进的办法,是那些小型冶炼厂,投资不大,主要设备也都是破碎、球磨、浮选设备,他们能选出金精矿,还能把伴生的银、铜等矿物质一起选出来,全部包含在金精矿中,然后再进行提炼。但由于设备、工艺、技术等原因,这些小冶炼厂往往只能提炼出金子,其它伴生产品很难选出来,大部分都作为尾矿倒掉了。还有,就是小冶炼厂的纯度也达不到999纯金的标准。所以,大多数选厂选出金精矿后,都会送到水泉冶炼厂来冶炼。

张青说的很明白,富矿到哪里选、哪里炼都行,只不过到小冶炼厂去收益损失多了一点,照样赚钱。贫矿就不同了,必须得到大型冶炼厂冶炼,否则就得赔钱!国外象品位2克多的矿,经过选矿后出来的金精粉每吨品位能达到12克到15克,到水大型黄金冶炼厂冶炼后,黄金回收率高,加上银、铜等副产品,还有利可图!

陈观想了想,还是得自己办选厂,最好是能办大型冶炼厂,将来选矿、冶炼一体,才能真正对得起“金羊山矿业股份有限公司”这块招牌。

不过,眼下这只能是设想,羊山矿口刚刚见矿,得等挣了大钱以后才能考虑建大选厂、大冶炼厂的事儿。暂时间还得去临关或者枣园找选厂谈判,得把矿石拉去精选,选出金精粉送到冶炼厂来冶炼,这样可以不浪费资源,选出的黄金纯度也高,收益能最大化!

如果建个小选厂,不知道投资大不大、可行不可行!

张青告诉陈观,水泉市就有黄金设计院和黄金机械厂,搞小型选场设计不在话下!如果陈观去找他们,他们一定会很积极的帮忙的!

这一趟陈观自觉的收获不小!

看看已经到下班时间了,陈观就邀请张青一起吃饭。

可惜张青需要值班,走不开,说定陈观明天取了化验结果后再见一次!;

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