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The MFBD-DEM coupling simulation approach for the investigation of granules screening efficiency in 4-DOF Flip-Flow Screen

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Abstract

The Flip-Flow Screen is extensively utilized in the vibrating screening process for the treatment of particle matter. In this study, a four-degree-of-freedom (4-DOF) Flip-Flow Screen was proposed. The granules in the 4-DOF Flip-Flow Screen were modeled using the discrete element method. The screening process of the 4-DOF Flip-Flow Screen was simulated by multi-flexible body dynamics-discrete element method (MFBD-DEM) coupling. The impact of vibration frequency and amplitude on the sieving effect of the Flip-Flow Screen was studied. The vibration parameters of the 4-DOF Flip-Flow Screen were optimized using the response surface method to improve sieving performance. Analysis of variance (ANOVA) was employed to assess the simulation findings. The results show that the variables with the greatest influence on the screening efficiency are z-direction frequency and x-direction frequency, respectively. The best outcome corresponding to the maximum screening efficiency is found to occur as the z-direction frequency, x-direction frequency, x-direction amplitude, and y-direction amplitude are all at 7.5 Hz, 15 mm, and 3 mm, respectively.

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Acknowledgements

The research work is financially supported by Anhui Province Graduate Education Quality Project (2022cxcysj107) and Anhui Province innovative methods promotion application and demonstration (2018IM010500).

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Authors and Affiliations

  1. School of Artificial Intelligence, Anhui University of Science and Technology, Huainan, 232001, China

    Chengjun Wang & Qing Liu

  2. School of Mechanical Engineering, Anhui University of Science and Technology, Huainan, 232001, China

    Lin Yang

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  1. Chengjun Wang
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  2. Qing Liu
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Correspondence to Qing Liu.

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Wang, C., Liu, Q. & Yang, L. The MFBD-DEM coupling simulation approach for the investigation of granules screening efficiency in 4-DOF Flip-Flow Screen. Granular Matter 26, 5 (2024). https://doi.org/10.1007/s10035-023-01380-5

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