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Volume 14
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10.3390/min14050472
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Article

Effects of Pre-Stretching Amount on Motion Characteristics and Screening Efficiency of Flip-Flow Screen Plates

by
Yixin Wang
,
Runhui Geng
,
Wanqing Yu
,
Dongdong Lin
,
Ziqian Wang
and
Xinwen Wang
*
School of Chemical and Environmental Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China
*
Author to whom correspondence should be addressed.
Minerals 2024, 14(5), 472; https://doi.org/10.3390/min14050472
Submission received: 25 March 2024 / Revised: 18 April 2024 / Accepted: 26 April 2024 / Published: 29 April 2024
(This article belongs to the Section Mineral Processing and Extractive Metallurgy)
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Abstract

This study systematically investigates the impact of pre-stretching amount (PSA) on the acceleration, motion status, and screening efficiency of the Flip-flow screen plate (FFSP). Initially, a nonlinear spring-multi-body model of the FFSP is established. Subsequently, the acceleration signals at the midpoint of the FFSP under various PSAs are measured and analyzed. The nonlinear stiffness coefficient of FFSP along the vertical direction is then determined and it is found that simplifying the nonlinear spring-multi-body system to a nonlinear spring-tri-body system under the experimental conditions can maintain the calculation error of FFSP’s acceleration within 30%. Phase and Poincaré mapping diagrams of the FFSP under different PSAs are subsequently created to illustrate the impact of PSA on the motion status of the FFSP. Finally, screening experiments are performed to study the optimal PSA for a kind of bituminous coal from Shanxi province.
Keywords: pre-stretching amount; flip-flow screen; motion characteristics; screening efficiency pre-stretching amount; flip-flow screen; motion characteristics; screening efficiency

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MDPI and ACS Style

Wang, Y.; Geng, R.; Yu, W.; Lin, D.; Wang, Z.; Wang, X. Effects of Pre-Stretching Amount on Motion Characteristics and Screening Efficiency of Flip-Flow Screen Plates. Minerals 2024, 14, 472. https://doi.org/10.3390/min14050472

AMA Style

Wang Y, Geng R, Yu W, Lin D, Wang Z, Wang X. Effects of Pre-Stretching Amount on Motion Characteristics and Screening Efficiency of Flip-Flow Screen Plates. Minerals. 2024; 14(5):472. https://doi.org/10.3390/min14050472

Chicago/Turabian Style

Wang, Yixin, Runhui Geng, Wanqing Yu, Dongdong Lin, Ziqian Wang, and Xinwen Wang. 2024. "Effects of Pre-Stretching Amount on Motion Characteristics and Screening Efficiency of Flip-Flow Screen Plates" Minerals 14, no. 5: 472. https://doi.org/10.3390/min14050472

APA Style

Wang, Y., Geng, R., Yu, W., Lin, D., Wang, Z., & Wang, X. (2024). Effects of Pre-Stretching Amount on Motion Characteristics and Screening Efficiency of Flip-Flow Screen Plates. Minerals, 14(5), 472. https://doi.org/10.3390/min14050472

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