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基于DEM的矿用滚轴筛优化设计研究

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1 绪论

1.1 研究背景与意义(Background and Significance)

1.2 滚轴筛设备的发展与应用(Development and Application of Roller Screen)

1.3 筛分过程模拟技术的应用与发展( Application and Development of Screening Process Simulation Technology)

1.4 结构可靠性的应用与发展(Application and Development of Structural Reliability)

1.5 课题研究内容(Research Contents)

2 DEM原理及其在滚轴筛筛分过程中的应用

2.1 DEM的基本原理(The Principle of DEM)

2.2 滚轴筛的设计(Design of Roller Screen)

2.3 滚轴筛的筛分过程模拟(Simulation of Screening Process of Roller Screen)

2.4 本章小结(Summary)

3 滚轴筛筛分过程的影响因素分析

3.1 转速对滚轴筛筛分过程的影响(The Influence of Screening Shaft Speed on Screening Process of Roller Screen)

3.2 筛面倾角对滚轴筛筛分过程的影响( The Influence of Inclination Angle of Screen Surface on Screening Process of Roller Screen)

3.3 黏结颗粒对滚轴筛筛分过程的影响( The Influence of Cohesive Particles on Screening Process of Roller Screen)

3.4 本章小结(Summary)

4 基于非球形颗粒的滚轴筛筛分过程模拟研究

4.1 EDEM 中非球形颗粒模型的建立( Establishment of Aspherical Particles Model in EDEM)

4.2 转速对非球形颗粒筛分过程的影响( The Influence of Screening Shaft Speed on the Screening Process of Aspherical Particles)

4.3 筛面倾角对非球形颗粒筛分过程的影响(The Influence of Inclination Angles of Screen Surface on the Screening Process of Aspherical Particles)

4.4 黏附能量密度对非球形颗粒筛分过程的影响(The Influence of Adhesion Energy Densities on the Screening Process of Aspherical Particles)

4.5 本章小结(Summary)

5 分段筛面滚轴筛的筛分过程模拟研究

5.1 分段筛面的选择(Selection of Segmented Screening Surface)

5.2 转速对分段筛面筛分系统的影响(The Influence of Screening Shaft Speed on Screening System of Segmented Screening Surface)

5.3 黏附能量密度对分段筛面筛分系统的影响(The Influence of Adhesion Energy Density on Screening System of Segmented Screening Surface)

5.4 本章小结(Summary)

6 筛轴盘片的磨损分析及其优化

6.1 EDEM中磨损分析模型的建立(Establishment of Wear Analysis Model in EDEM)

6.2 筛轴盘片的磨损分析(Wear Analysis of Screening Shaft Disc)

6.3 盘片形状对滚轴筛筛分过程的影响(The Influence of Disc Shape on Screening Process of Roller Screen)

6.4 本章小结(Summary)

7 结论与展望

7.1 结论(Conclusions)

7.2 展望(Expectations)

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