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最近几年,我国已研制出几种用于粗粒弱磁性矿物预选或分选的湿式强磁选机,例如马鞍山矿山研究院研制的CS-1型电磁感应辊强磁选机、DQC-1型电磁辊式强磁选机,但给矿粒度最大仅为7mm。为了直接分选更粗粒级的弱磁性矿物,节约能源,尽早丢弃部分合格尾矿,马鞍山矿山研究院、上海梅山冶金公司铁矿,于1986年共同与冶金部科技司签
In recent years, China has developed several kinds of wet magnetic separator for preselection or sorting of coarse grain weak magnetic minerals, such as CS-1 type electromagnetic induction roller strong magnetic separator developed by Maanshan Mining Research Institute, DQC-1 Type electromagnetic roller strong magnetic separator, but to mine the largest particle size of only 7mm. In order to directly classify the coarse-grained weak magnetic minerals, save energy and discard some qualified tailings as soon as possible, the Maanshan Mining Research Institute and the Shanghai Meishan Metallurgical Company Iron Ore jointly signed a contract with the Ministry of Metallurgical Science and Technology in 1986