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金属矿山 ›› 2009, Vol. 39 ›› Issue (07): 169-172.

• 综合利用 • 上一篇    下一篇

梅山尾矿分级脱水试验研究

于发1,曹沛萍1,安太平2   

  1. 1.上海梅山矿业有限公司;2.马钢南山矿业有限公司
  • 出版日期:2009-07-15 发布日期:2011-04-26

Tests on the Classified Dewatering of Meishan Iron Tailings

Yu Fa1,Cao Peiping1,An Taiping2   

  1. 1.Shanghai Meishan Mining Co.,Ltd.;2.MaSteel  Nanshan Mining Co.,Ltd.
  • Online:2009-07-15 Published:2011-04-26

摘要: 由于梅山尾矿水分太高,并且难脱水,给尾矿综合利用带来了困难。为解决这个难题,2006年在选矿厂开展尾矿分级脱水工业试验研究。试验主要设备为FX-200型水力旋流器、TT-24 m2陶瓷过滤机、XMZ-340/1250型厢式压滤机。试验压力在0.08~0.09 MPa的情况下,获得了水分为14.84%,过滤系数为0.458 t/(m2·h),产率为42.68%的粗粒级尾矿产品;试验结果表明,分级后的细粒级尾矿利用现有的压滤机脱水,产品水分和压滤生产时间都增加。分级脱水对节约生产成本也有好处,根据计算,每吨可以节约0.58元。

关键词: 细粒级铁尾矿, 过滤, 分级, 脱水

Abstract: The too high moisture and difficult dewatering of Meishan iron tailings made it difficult to comprehensively utilize.To solve the challenge, industrial tests were made on the classified dewatering of the tailings in the concentrator in 2006.The equipment used in the test included FX-200 cyclones, a TT-24 m2 ceramic filter and a XMZ-340/1250 box filter press.At a filtering pressure of 0.08~0.09 MPa, coarse fraction tailings product was obtained with a moisture of 14.84%, filter coefficient of 0.458 t/(m2·h) and yield of 42.68%.The test result showed that the dewatering of the classified fine fraction tailings by the existing filter press resulted in increased product moisture and filtering time.The classified dewatering has also brought a reduction of production cost by 0.58 yuan per ton tailings.

Key words: Fine fraction of iron tailings, Filtration, Classification, Dewatering