某选矿厂细粒级矿泥分级过滤试验研究
Experimental Study on Grading Filtration of Fine-grained Mineral Slurry in a Concentrator
罗渊林1
作者信息
- 1. 深圳市中金岭南有色金属股份有限公司凡口铅锌矿
- 折叠
摘要
某选矿厂为了分选出细粒级矿泥中的粗粒物料并过滤,对该细粒级矿泥(一段旋流器溢流)的性质进行了分析,并在此基础上对其进行了旋流器分级及陶瓷过滤机过滤试验.试验结果表明:该矿泥粒度较细,-20 μm粒级含量高达66.86%,且铅、锌氧化率较高;采用旋流器分级后,旋流器沉砂中-20 μm粒级含量可降低至19.75%,且铅、锌氧化率均降低至10.0%以下;过滤试验表明,采用陶瓷过滤机可有效过滤旋流器沉砂中的水分,滤饼含水率为12.23%且滤液清澈.
Abstract
In order to separate the coarse-grained materials in the fine-grained slime and filter in a concentrator,the properties of the fine-grained slime(one-stage cyclone overflow)are analyzed.On this ba-sis,the cyclone classification and ceramic filter filtration test are carried out.The results show that the parti-cle size of the slime is fine,the content of-20 μm particle size is as high as 66.86%,and the oxidation rate of lead and zinc is high.After cyclone classification,the content of-20 μm fraction in cyclone grit can be re-duced to 19.75%,and the oxidation rate of lead and zinc can be reduced to less than 10.0%.The filtration test shows that the ceramic filter can effectively filter the water in the settling sand of the cyclone.The water content of the filter cake is 12.23%and the filtrate is clear.
关键词
矿泥/水力旋流器/分级/陶瓷过滤机Key words
mineral slurry/hydrocyclone/classification/ceramic filter引用本文复制引用
出版年
2024
NETL
NSTL
万方数据