高压辊磨—干式分级—弱磁选集成系统工艺技术概述

Overview on High Pressure Grinding Roll-Dry Classification-Low Intenity Magnetic Separation Integration System Technology

总结了有代表性的高压辊磨机、分级设备、粉矿干式磁选机的工作原理和特点。介绍了高压辊磨—干式分级—干式弱磁选集成系统的构成及可能的工艺流程,分析了各工艺流程的特点及适合处理的铁矿石类型。高压辊磨—干式分级—弱磁选集成系统在哈密中天铁矿山应用后,取得了较好的选别指标。高压辊磨—干式分级—弱磁选集成系统具有无需选矿生产用水、占地面积小、能耗低、工艺流程简单等优点。

Summarized the working principle and characteristics of typical high pressure roller mill,grading equipment,powder ore dry magnetic separator. Introduces the structure and possible process of high pressure roller mill-dry classificationlow intensity magnetic separation integration system. Characteristics of the technological process and suitable types of iron ore was analyzed. After using high pressure roller mill-dry classification-low intensity magnetic separation integration system in Hami Zhongtian Iron Mine,good sorting index were obtained. High pressure roller mill-dry classification-magnetic separation integration system has advantages of no dressing production water,small occupation,low power consumption,simple process flow,etc.