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为了给炼铁提供优质铁精矿,近年来不少国家纷纷采取措施,其中湿式旋转磁场磁选机已开始受到重视。苏联、西德等都开始研究,苏联在第聂伯尔采选公司还进行了半工业试验。我国在贯彻精料方针方面,也做了不少工作,取得一些可喜的成绩。我们于1973年开始,对提高磁铁矿精矿品位进行了探讨,先后研制了φ600×320半工业型和φ780×1800工业型的湿式永磁旋转磁场磁选机(以下简称精选机),在半工业试验取得良好指标的基础上,工业型设备于1975～1976年在大石河铁矿选矿厂生产流
In order to provide high-quality iron ore for ironmaking, many countries have taken measures in recent years, including wet rotary magnetic separator has begun to receive attention. The Soviet Union, West Germany and so began to study the Soviet Union in Dnepr mining companies also conducted a semi-industrial test. China has also done a lot of work in implementing the principle of fine materials and has made some gratifying achievements. We started in 1973, to improve the quality of magnetite concentrate were discussed, has developed a φ600 × 320 semi-industrial and φ780 × 1800 industrial wet permanent magnet rotating magnetic separator (hereinafter referred to as concentrator) On the basis of good indicators obtained in the semi-industrial test, industrial equipment was produced at the Dashihe Iron Ore Concentrator Production Plant from 1975 to 1976