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Analysis of drawing method for unloading trajectory of belt conveyor

Published: 14 October 2022 Publication History

Abstract

It is important to research the unloading trajectory of the belt conveyor for designing the transfer chute. At present, there are many methods to draw the unloading trajectory. However, they are not completely unified. Also, some methods utilize insufficient theories so that the simulated trajectory does not match the actual trajectory. To accurately draw the unloading trajectory of the conveyor, this paper uses EDEM (Discrete Element Method) software to simulate discharge trajectories of a specific belt conveyor at different speeds compared with the CEMA (Conveyor Equipment Manufacturers Association) method and the method by calculating the discharge trajectory which is drawn according to the parabolic equation. This paper also analyses the advantages and disadvantages of different methods. The analysis shows that the discharge trajectory drawn by the CEMA method has the same width from top to bottom. While the actual discharge trajectory is bell-shaped from top to bottom due to the upper and lower stratification of the material speed. When the belt speed is low, the separation speed should be used to calculate the separation angle. The unloading trajectory drawn by calculating the parabolic equation is more consistent with the actual situation. But when the belt speed is low, the calculation with the belt conveyor is not reasonable. In this case, the material height should be calculated by the separation speed.

References

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Weigang Song. Design of belt conveyor for bulk materials )in Chinese(. Shenyang: Northeastern University Press, 2000.
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Weigang Song, Xianlian Zhou, Mingyuan Zhang. The calculation method of the material trajectory during the unloading process of the belt conveyor (in Chinese). Mining Machinery,2000(08):41-43.
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Feng Liang. Research on DEM Simulation of Material Flow at Transfer Station of Bulk Material Conveying System (in Chinese). Northeastern University, 2009.
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ICCIR '22: Proceedings of the 2022 2nd International Conference on Control and Intelligent Robotics
June 2022
905 pages
ISBN:9781450397179
DOI:10.1145/3548608
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 14 October 2022

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