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今年三月份上級党委提出“以鋼为綱”大搞优質高产的指示后,经过刻苦鑽研,采用多种試验办法终于試验成功,大大提高了銅的回收率,由原来的火冶30～40％提高到水冶的80～90％,徹底消除了杂质过多,铜铁不分的缺陷。从根本上改变了低品位氧化矿的冶金困难。現將我們的操作过程簡單介紹如下。 (一)使用工具:大缸若干个(溶浸用),竹篩(淘矿或过濾用),盆子(起液体倒缸用)木棍(攪拌缸用)。以上工具仅作土法試验,或小型冶金之用,如資源丰富可根据湿法冶金原理,改进工具,增加設备,以提高工效。 (二)使用溶剂,硫酸与水。 (三)操作过程:
In March this year, the superior party committee put forward the guideline of “making steel the key link” in promoting high-quality and high-yielding work. After studying hard and successfully using a variety of test methods at last, the copper recovery rate was greatly increased, from 30% to 40% Up to 80 ~ 90% of the water metallurgy, completely eliminate the impurities too much, copper and iron regardless of defects. Metals fundamentally changed the metallurgical difficulties of low-grade oxide ore. Now our operation process is as follows. (A) the use of tools: a number of cylinder (dipping), bamboo sieve (Amoy mine or filter), basin (from the liquid inverted cylinder) with a stick (mixing tank). The above tools only for indigenous test, or the use of small metallurgy, such as resource-rich hydrometallurgical principles, to improve the tools, increase equipment, to improve work efficiency. (B) the use of solvents, sulfuric acid and water. (C) operation process: