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一、序言鞍山是我国最大的钢铁工业基地之一,周围铁矿资源丰富,储量很大,其中弱磁性贫赤铁矿又占相当大的比重。为了发展钢铁生产,一九五八年建成了东鞍山浮选厂,选别贫赤铁矿。铁矿石浮选是近二十多年来发展起来的,实践证明,它是处理浸染粒度细的贫赤铁矿的
I. Preface Anshan is one of the largest iron and steel industry bases in our country. The surrounding iron ore resources are abundant and the reserves are very large. Among them, the weak magnetic lean hematite accounts for a large proportion. In order to develop steel production, the eastern Anshan flotation plant was completed in 1958, marking the lean hematite. Iron ore flotation has developed over the past two decades, and it has been proved that it is the treatment of lean hematite with fine grain size