考虑生态成本的露天金属矿山生产调度

Xiaochuan Xu, X. Gu, Qing Wang, Qingyu Zhu, Jian Ping Liu
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引用次数: 1

摘要

以设计的极限坑为基础,计算了各种优化生产方案的生态成本。此外,还讨论了生态成本对生产方案选择的影响。在一个设计的矿井中,采用基于最高金属含量原则的浮动锥法,产生了一系列地质上最优的增量足够小的推挤。然后通过动态网络图对所有的推退进行重新排序。以NPV路线最大的生产方案为最优方案。量化了采矿产生的生态影响,提出了包括直接生态价值损失、间接生态价值损失、生态恢复成本和碳排放成本在内的生态成本计算模型。以某大型露天矿为例,在不考虑生态成本的情况下,对各种生产方案进行了优化,选择了NPV最大的生产方案。通过计算各方案的生态成本,得到综合效益最大的方案。结果表明,考虑生态成本的最佳方案并不是NPV最大的方案。因此,生态成本对最佳生产方案的选择产生影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Production Scheduling of Open Pit Metal Mine with Ecological Cost
The ecological costs related to the various optimized production schemes were calculated based on the designed ultimate pit. Moreover, the influence of the ecological costs on the selection of production schemes was discussed. In one designed pit, a series of geologically optimum pushbacks with sufficiently small increment were produced using the floating cone method founded on the principle of the highest metal content. Then all the pushbacks were reordered by the dynamic network diagram. The production scheme with the maximum NPV route was considered as the optimum one. The ecological impacts produced by mining were quantified and the ecological cost calculation models, which contain the direct eco-value loss, the indirect eco-value loss, the eco-restoration cost and the carbon emission cost were proposed. In one big open pit mine case, various production schemes were optimized and the one with maximum NPV was selected without taking into account the eco-costs. The scheme with the maximum comprehensive profit was obtained by calculating the eco-cost of each scheme. The results showed that the best scheme considered with the eco-cost was not the scheme with the maximum NPV. Therefore, the eco-cost presents the effect on the selection of the best production scheme.
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