Journal
ADVANCED POWDER TECHNOLOGY
Volume 32, Issue 3, Pages 683-692Publisher
ELSEVIER
DOI: 10.1016/j.apt.2021.01.018
Keywords
Mass-flow bins; Gate loads; Stress states; J factor
Categories
Funding
- Centre for Advanced Particle Processing and Transport of the University of Newcastle
- TUNRA Bulk Solids of the University of Newcastle
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This study investigates the determination of loads on discharge isolating gates in mass-flow bins, especially for coal and iron ore industries. The research combines analytical review with experimental study and focuses on transient load changes caused by time-dependent settling of bulk solids. The research findings provide guidelines for bin gate design.
This paper concerns the determination of the loads on discharge isolating gates of mass-flow bins such as those used in the coal and iron ore industries for train loading. The gate loads are closely associated with the stress states of the bulk solids that are difficult to determine since they are highly dependent on the degree of the compressibility of the bulk solids and the rigidity of the gate. The so-called j factor as out -lined in the Australian Standard 3774-1996 is incorporated in the gate load analysis to account for these properties. In this study, an analytical review of gate loads is combined with an experimental study employing a pilot mass-flow bin handling iron ore and plastic pellets. Of particular interest are the tran-sient load changes due to the time-dependent settling of the bulk solid. The research findings are pre-sented along with guidelines to assist the bin gate design. (c) 2021 The Society of Powder Technology Japan. Published by Elsevier B.V. and The Society of Powder Technology Japan. All rights reserved.
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