摘要
精细分级旋流器在铁矿细磨分级工艺相比常规旋流器有明显的分级效率优势,可以减轻矿物过磨,实现大直径旋流器的细粒级分级。在某铁矿二段球磨磨矿细度-0.045mm为80%分级改造中,FX400精细分级旋流器相比FX350标准型旋流器分级质效率提高8.79%。在某悬浮磁化焙烧铁矿立磨磨矿分级工艺中,FX350精细旋流器溢流细度-0.048mm为89%,分级质效率达到63.96%。
Efficient-fine cyclone has obvious classification efficiency advantages in iron ore fine grinding classification process compared with the conventional cyclone. It can reduce over-grinding of ores and achieve the fine fraction classification of large-diameter cyclone. In a iron ore second-stage ball mill grinding and classification with fineness of-325 mesh taking up 80%, classification quality efficiency of FX400 efficient-fine cyclone improves by 8.79% compared with FX350 standard cyclone. In vertical grinding and classification process of a suspended magnetic roasted iron ore, overflow fineness of FX350 efficient-fine cyclone is-300 mesh taking up 89%, and classification quality efficiency reaches 63.96%.
作者
郑纪民
孙洪硕
邢树欣
李永峰
ZHENG Jimin;SUN Hongshuo;XING Shuxin;LI Yongfeng(Weihai Haiwang Hydrocyclone Co.Ltd.,Weihai 264204;JISCO Hongxing Iron&Steel Co.Ltd.,Jiayuguan 735100;Subei County Bolun Mining Co.Ltd.,Jiuquan 736300,China)
出处
《矿业工程》
CAS
2019年第6期43-44,共2页
Mining Engineering
关键词
精细分级旋流器
分级质效率
铁矿细磨
磨矿分级
efficient-fine cyclone
classification quality efficiency
iron ore fine grinding
grinding classification
