Effects of the Shape and Size of Irregular Particles on Specific Breakage Energy under Drop Weight Impact
Joint Authors
Gan, De-qing
Zhang, Yunpeng
Gao, Feng
Zhang, Jinxia
Niu, Fusheng
Gan, Ze
Source
Issue
Vol. 2019, Issue 2019 (31 Dec. 2019), pp.1-14, 14 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2019-06-04
Country of Publication
Egypt
No. of Pages
14
Main Subjects
Abstract EN
Particle shape and size are main factors influencing particle breakage.
Single-particle breakage tests were conducted on irregular magnetite ore using modified drop weight impact equipment to analyze the effect of shape and size on specific breakage energy.
A method to measure the effective breakage energy is presented.
Ore particles with different sphericities and different sizes were broken into several fragments with differing impact energies in the tests.
Experimental studies indicate that the shape of particles significantly influences the impact loading mode and breakage progress; the specific breakage energy has an obvious relationship with the sphericity and the initial size.
The specific breakage energy decreases with larger initial loading area.
The particle needs less specific breakage energy if the shape or placement state is more conducive to tensile fracture.
There is an increase in specific breakage energy corresponding to an increase in particle sphericity with fixed initial size range.
With the increase in the initial size of the particle, the specific breakage energy decreases with fixed sphericity range, which presents a power function with the exponent −0.5.
The comprehensive relationship between specific breakage energy, particle sphericity, and initial size was established, showing that the input power of the crushing machinery and the optimization of crushing technology should be performed with consideration of the influence of particle shape and initial size to reduce specific energy consumption and improve energy efficiency.
American Psychological Association (APA)
Gan, De-qing& Gao, Feng& Zhang, Yunpeng& Zhang, Jinxia& Niu, Fusheng& Gan, Ze. 2019. Effects of the Shape and Size of Irregular Particles on Specific Breakage Energy under Drop Weight Impact. Shock and Vibration،Vol. 2019, no. 2019, pp.1-14.
https://search.emarefa.net/detail/BIM-1211030
Modern Language Association (MLA)
Gan, De-qing…[et al.]. Effects of the Shape and Size of Irregular Particles on Specific Breakage Energy under Drop Weight Impact. Shock and Vibration No. 2019 (2019), pp.1-14.
https://search.emarefa.net/detail/BIM-1211030
American Medical Association (AMA)
Gan, De-qing& Gao, Feng& Zhang, Yunpeng& Zhang, Jinxia& Niu, Fusheng& Gan, Ze. Effects of the Shape and Size of Irregular Particles on Specific Breakage Energy under Drop Weight Impact. Shock and Vibration. 2019. Vol. 2019, no. 2019, pp.1-14.
https://search.emarefa.net/detail/BIM-1211030
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1211030