Full
Outline
To investigate the motion patterns and separation mechanisms of different magnetic particles in a permanent magnet roller separator during mineral processing, a magnetic force calculation model was established based on the magnetic field gradient and particle specific magnetic susceptibility. The magnetic field distribution of the permanent magnet roller system was simulated using ANSYS Maxwell. The obtained magnetic field vector data were then imported into the EDEM simulation environment via its field management interface. Subsequently, secondary development was performed using the C++ API to extend EDEM's capabilities for simulating particle behavior under magnetic forces. Simulation results indicate that the distribution density of magnetic particles in high-velocity zones is significantly higher than that of intergrowth particles and non-magnetic particles. As particle size increases from 15 mm to 60 mm, the average and the minimum roll-off speeds of the particles show an increasing trend, while the maximum roll-off speed exhibits the opposite behavior. When the magnetic roller speed increases from 10 r/min to 50 r/min, the trajectory spacing among magnetic particles, intergrowth particles, and non-magnetic particles all increase. At a speed of 30 r/min, particle separation performance is optimal. Experimental validation of the coupled simulation method demonstrates that it can realistically simulate the magnetic particle separation process. The research findings provide crucial theoretical foundations and technical support for optimizing such mineral processing technologies.
31
10
| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
关闭全屏
No. 86 Xueyuan South Road, Haidian District, Beijing
010-62662699(Operation and Technical Support)
qkjq@cast.org.cn
Copyright © 2025 China Association for Science and Technology. All rights reserved. For all open access content, the relevant licensing terms apply.
Sponsored by the Office of the Leading Group for Cybersecurity and Informatization of CAST, and supported by Science and Technology Review Publishing House
