Complex Effects of Drum Hub Forms and Structural Parameters on Coal Loading Performance
Joint Authors
Zeng, Qingliang
Gao, Kuidong
Zhang, Xiaodi
Sun, Liqing
Jiang, Kao
Source
Issue
Vol. 2020, Issue 2020 (31 Dec. 2020), pp.1-19, 19 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2020-06-10
Country of Publication
Egypt
No. of Pages
19
Main Subjects
Abstract EN
The extremely poor loading performance of a thin coal shearer drum affects the mining efficiency in thin seam mining seriously on account of the restriction by the complicated mining environment and seam thickness.
The coal loading performance of the drum is influenced by several complex factors, such as motion parameters and structural parameters, including the structure and form of the hub.
The form of the drum hub is cylindrical in general, and in order to study the influence of the hub form on the coal loading rate of the drum, seven drums with different hub forms and structures were designed.
The influence of the complexity of hub structures on the coal loading performance was studied by discrete element method (DEM) simulation in this paper.
The change curves with the research object of different drums, such as coal loading rate, velocity field distribution, and contact force between fallen coal particles, were obtained.
The results showed that the conical hub drum can improve the coal loading performance than the cylindrical hub drum, and the curve-shaped hub drum had a more obvious promotion on the coal loading performance.
The coal loading rate increased first and then decreased with the increase of hub cone angle.
Compared with the conical hub drum, the curve-shaped hub drum can not only improve the coal loading rate, but also has a larger space containing coal.
This study has proposed a drum with a new form hub which could increase the coal loading rate, and the methods and conclusions provide the guidance for drum hub design.
American Psychological Association (APA)
Gao, Kuidong& Zhang, Xiaodi& Sun, Liqing& Zeng, Qingliang& Jiang, Kao. 2020. Complex Effects of Drum Hub Forms and Structural Parameters on Coal Loading Performance. Complexity،Vol. 2020, no. 2020, pp.1-19.
https://search.emarefa.net/detail/BIM-1143521
Modern Language Association (MLA)
Gao, Kuidong…[et al.]. Complex Effects of Drum Hub Forms and Structural Parameters on Coal Loading Performance. Complexity No. 2020 (2020), pp.1-19.
https://search.emarefa.net/detail/BIM-1143521
American Medical Association (AMA)
Gao, Kuidong& Zhang, Xiaodi& Sun, Liqing& Zeng, Qingliang& Jiang, Kao. Complex Effects of Drum Hub Forms and Structural Parameters on Coal Loading Performance. Complexity. 2020. Vol. 2020, no. 2020, pp.1-19.
https://search.emarefa.net/detail/BIM-1143521
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1143521