Design of Loading and Transportation Fleet in Open-Pit Mines using Simulation Approach and Metaheuristic Algorithms
محل انتشار: مجله معدن و محیط زیست، دوره: 12، شماره: 4
سال انتشار: 1400
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 176
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شناسه ملی سند علمی:
JR_JMAE-12-4_019
تاریخ نمایه سازی: 29 فروردین 1401
چکیده مقاله:
The production cycle in open-pit mines includes the drilling, blasting, loading, and haulage. Since loading and haulage account for a large part of the mining costs, it is very important to optimize the transport fleet from the economic viewpoint. Simulation is one of the most widely used methods in the field of fleet design. However, it is unable to propose an optimized scenario for which the appropriate metaheuristic method should be employed. This paper considers the Sungun copper mine as the case study, and attempts to find the most feasible transportation arrangement. In the first step, in this work, we compare the flexible dispatching with the fixed allocation methods using the Arena software. Accordingly, the use of flexible dispatching reveals the increase in the production rate (۲۰%) and productivity (۲۵%), and the decrease (۲۰%) in the idle time. The firefly metaheuristic algorithm used in the second step shows that the combined scenario of the ۳۵-ton and ۱۰۰-ton trucks is the most suitable option in terms of productivity and cost. In another attempt, comparing different heterogeneous truck fleets, we have found that the scenarios ۳۵-۱۰۰ and ۳۵-۶۰-۱۰۰-۱۴۴ increase the production rate by ۳۹% and ۴۹%, respectively. Also, in both scenarios, the production cost decreases by ۱۱% and ۲۱%, respectively.
کلیدواژه ها:
نویسندگان
H. Ghaziania
Department of mining engineering, Faculty of Engineering, Tarbiat Modares University, Tehran, Iran
M. Monjezi
Department of mining engineering, Faculty of Engineering, Tarbiat Modares University, Tehran, Iran
A. Mousavi
Department of mining engineering, Faculty of Engineering, Tarbiat Modares University, Tehran, Iran
H. Dehghani
Department of mining engineering, Hamedan University of Technology, Hamedan,
E. Bakhtavar
Department of mining engineering, Faculty of Engineering, Urmia University of Technology, Urmia, Iran
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