采用颗粒离散元法模拟得到卧式行星磨磨筒内钢球平均接触力大小以及随填球率、钢球直径、磨筒半径和公转半径的变化规律,并与实验结果进行了比较分析.结果表明:行星磨的粉磨速率可以由平均接触力大小来确定,粉磨速率的对数是平均接触力线性函数,斜率为0.087.磨筒填球率的增加,导致钢球的平均接触力减小；随着钢球直径、磨筒半径、公转半径的增大,平均接触力呈线性增长,斜率分别为2.5,0.14,0.03,其中钢球直径对平均接触力的影响最大.
参考文献
| [1] | 吴光瑞,张林进,叶旭初.卧式行星球磨机粉磨水泥熟料的试验研究[J].中国粉体技术,2010(06):39-43. |
| [2] | 颜景平,易红,史金飞,张志胜,徐金山.行星式球磨机研制及其节能机理[J].东南大学学报（自然科学版）,2008(01):27-31. |
| [3] | 颜景平;党根茂 .行星式球磨机最佳参数的理论分析[J].电子工业专用设备,1990,12(03):47-51. |
| [4] | CUNDALL P A;STRACK O D L .A descrete numerical model for granular assembles[J].Géotechnique,1979,29(01):47-65. |
| [5] | KANO J;HIROSHI M;SAITO F .Correlation of size reduction rate of inorganic materials with impact energy of balls in planetary ball milling[J].Journal of Chemical Engineering of Japan,1999,32(05):445-448. |
| [6] | KANO J;HIROSHI M;SAITO F .Correlation of grinding rate of gibhsite with impact energy of balls[J].AICHE Journal,2000,46(03):1694-1697. |
| [7] | Mio H.;Kano J.;Saito F.;Kaneko K. .Effects of rotational direction and rotation-to-revolution speed ratio in planetary ball milling[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2002(1/2):75-80. |
| [8] | Mio H;Kano J;Saito F .Scale-up method of planetary ball mill[J].Chemical Engineering Science,2004(24):5909-5916. |
| [9] | SATO A;KANO J;SAITO F .Analysis of abrasion mechanism of grinding media in a planetary mill with DEM simulation[J].Advanced Powder Technology,2001,36(02):212-216. |
| [10] | 朱飞,张林进,蔡道林,叶旭初.颗粒离散元法模拟卧式行星球磨机内钢球的运动规律[J].矿山机械,2011(04):55-59. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%