基于混合整数线性规划框架的露天采场综合开发与生产调度优化

IF 1.8 Q3 MINING & MINERAL PROCESSING

Mining Technology-Transactions of the Institutions of Mining and Metallurgy Pub Date : 2023-03-09 DOI:10.1080/25726668.2023.2182285

E. J. A. Appianing, E. Ben-Awuah, Y. Pourrahimian

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引用次数: 1

摘要

摘要为了使矿山的寿命最大化，必须对开采开发顺序进行战略规划。地下矿山规划的复杂性和计算难度使其具有挑战性和进一步研究的开放性。提出了一种基于混合整数线性规划(MILP)的露天采场综合开发与生产调度数学规划框架。此外，MILP模型还在生产计划中集成了充填、作业水平控制和采场开采时间控制。MILP模型产生了2.447亿美元的净现值，并确定了具有25年矿山寿命的黄金项目的资本，通风，操作和矿石通道开发时间表以及采矿和加工时间表。矿化物料2.88 Mt，共提取加工物料2.48 Mt。

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Life-of-mine optimization for integrated open stope development and production scheduling using a mixed-integer linear programming framework

ABSTRACT Extraction and development sequences must be scheduled strategically in order to maximize the life of mine. The complexities and computational difficulties associated with underground mine planning makes it challenging and open to further research. This paper presents a mathematical programming framework based on mixed-integer linear programming (MILP) formulation for integrated open stope development and production scheduling. Additionally, the MILP model incorporates backfilling, operational levels control, and stope extraction duration control during production scheduling. The MILP model generated a net present value of $244.7 M and determined the capital, ventilation, operational, and ore pass development schedules as well as mining and processing schedules for a gold project with 25 years mine life. A total of 2.48 Mt of material was extracted and processed out of 2.88 Mt mineralized material.

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来源期刊

Mining Technology-Transactions of the Institutions of Mining and Metallurgy MINING & MINERAL PROCESSING-

CiteScore

2.20

自引率

9.10%

发文量