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通过对不同类型胶磷矿进行的磨矿细度试验研究表明,在一定选矿指标下,细磨有利于磷矿物与脉石矿物单体充分解离,提高精矿中杂质的排出率,有利于提高精矿回收率。对滇池周边矿区的中低品位胶磷矿(w(P2O5)≤22%),最适宜的磨矿细度是粒径小于0.038 mm的物料占76.2%以上,或粒径小于0.074 mm的物料占93%以上。
Through the study on different types of phosphate rock grinding fineness studies have shown that in a certain mineral processing indicators, fine grinding phosphate and gangue minerals is conducive to complete dissociation monomer, improve the discharge of impurities in the concentrate rate, there Will help improve the recovery rate of concentrate. For the low and middle grade phosphate rock (w (P2O5) ≤22%) in the mining area around Dianchi Lake, the most suitable grinding fineness is that the material with the diameter less than 0.038 mm accounts for more than 76.2% or the material with the diameter less than 0.074 mm 93% or more.