Friction and wear of liner and grinding ball in iron ore ball mill

被引:33
|
作者
Peng, Yu-xing [1 ,2 ]
Ni, Xu [1 ,2 ]
Zhu, Zhen-cai [1 ,2 ]
Yu, Zhang-fa [3 ,4 ,5 ]
Yin, Zi-xin [1 ,2 ]
Li, Tong-qing [1 ,2 ]
Liu, Song-yong [1 ,2 ]
Zhao, Abla-la [1 ,2 ]
Xu, Jie [6 ]
机构
[1] China Univ Min & Technol, Sch Mech & Elect Engn, Xuzhou, Peoples R China
[2] China Univ Min & Technol, Jiangsu Key Lab Mine Mech & Elect Equipment, Xuzhou, Peoples R China
[3] Cit Heavy Ind Co Ltd, Luoyang, Peoples R China
[4] Luoyang Min Machinery Engn Design Inst Co Ltd, Luoyang, Peoples R China
[5] CITIC RIC, State Key Lab Min Heavy Equipment, Luoyang, Peoples R China
[6] China Univ Min & Technol, Sch Mat Sci & Engn, Xuzhou, Peoples R China
基金
中国国家自然科学基金;
关键词
Ball mill; Three-body abrasion; Ball cratering; Surface analysis; MICROSCALE ABRASIVE WEAR; HVOF SPRAYED WC-12CO; TRIBOLOGICAL BEHAVIOR; CRATERING TESTS; NORMAL FORCE; POWER DRAW; LOAD; COEFFICIENT; MICROABRASION; TRANSITIONS;
D O I
10.1016/j.triboint.2017.06.017
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
To understand the friction and wear of working mediums in iron ore ball mills, experiments were conducted using the ball cratering method under dry and wet milling conditions, which mimic the operating conditions in ball mills. The liner sample is made of Mn16 steel, the ball had a diameter of 25 mm and was made of GCr15 steel, and the iron ore powder was screened from the magnetite particles with mesh number of 20. The results indicate that a different wear condition makes the COF change in a converse way and causes a different wear pattern in wear craters, followed by the corresponding temperature rise.
引用
收藏
页码:506 / 517
页数:12
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