本文从解决重介质选煤设备耐磨问题的重要性入手,介绍了国内外金属与非金属耐磨材质及其在重介质选煤设备上的使用情况。分析了重介质选煤设备,尤其是介质泵和重介质旋流器的磨损机理及影响因素。提出了解决重介质选煤设备耐磨问 This paper starts with the importance of solving the problem of wear resistance of heavy medium coal preparation equipment, and introduces the domestic and foreign use of metal and nonmetal wear resistant materials and their application in heavy medium coal preparation equipment. The wear mechanism and influencing factors of heavy medium coal preparation equipment, especially medium pump and heavy medium cyclone, are analyzed. Proposed to solve heavy medium coal preparation equipment wear resistance asked