摘要
概述了磁铁矿石应用磁滚筒进行预选在我国的发展，介绍了目前这一技术在磁铁矿选矿厂使用的情况，它对于能源、钢材、人力的节省无疑起到巨大作用，使企业的经济技术指标得到明显提高，获得丰厚经济效益，建议全面大力推广。
This article outlines the development of preconcentration technology for magnetite ores using magnetic pulleys, describing its application at a number of magnetite concentrators in China to-day.Application of such a technology will undoubtedly play an important part in saving energy,steel materials and manpower,remarkably improving technical and economic performances of these enterprises with huge economic returns.All-round and effective popularization of the technology is proposed by the author.
关键词
磁铁矿
矿石
选矿
磁滚筒预选
Magnetic pulley(Cobbing separator) Magnetic drum separator Dry magnetic separation Lump magnetic separation Belt magnetic separator Magnetic preconcentration
