考虑碳排放的弹性煤炭供应链网络设计模型
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国家自然科学基金(No.71871064)


A Resilient Coal Supply Chain Network Design Model Considering Carbon Emissions
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    【目的】针对煤炭行业所面临的节点中断风险和需求波动风险以及煤炭供应链的碳排放问题,设计一个包括矿山、处理厂、转运中心、港口和客户的5级低碳、弹性煤炭供应链网络,旨在最小化供应链网络碳排放和总成本的同时满足最低客户需求水平。【方法】考虑煤炭行业特性,建立了混合整数线性规划模型来设计一个多层级、多产品的煤炭供应链网络;以在中断节点增加紧急库存和直接到港口交付作为弹性策略,提高煤炭供应链网络在风险环境下的弹性能力;利用碳税政策将碳减排目标转换为目标函数,从而减少碳排放量。【结果】以一个大型煤炭集团为例,验证了所建立的低碳、弹性煤炭供应链网络设计模型的有效性。【结论】实验结果表明,所设计的考虑碳排放的弹性煤炭供应链网络在面临节点中断和需求波动风险时风险应对能力比传统供应链网络更优。

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    [Purposes]Considering facility disruptions, customer demand fluctuations and carbon emissions reduction in the coal supply chain process, a five-level green and resilient supply chain network consisting of coal mines, plants, distribution centers, ports and customers is designed with the objective of minimizing the total carbon emissions and network cost while meeting the minimum service level. [Methods]By analyzing the characteristics of the coal supply chain, a multi-level, a multi-product mixed integer linear programming model is developed to establish a coal supply chain network. To mitigate disruption losses and satisfy the customer demand, two effective resilient strategies (i.e., keeping a certain level of emergency inventory in facility nodes and directly delivering to ports from plants) are employed. To calculate the carbon emissions cost in the coal supply chain network, the carbon tax policy is applied in the model. [Findings]Taking a large coal enterprise as an example, the performance of the proposed low-carbon and resilient coal supply chain network model is verified. [Conclusions]Computational results show that the proposed model can provide managerial insights in response to facility disruptions and demand fluctuations in a coal supply chain system.

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刘仕强,曾蓝雁,李贤功.考虑碳排放的弹性煤炭供应链网络设计模型[J].重庆师范大学学报自然科学版,2023,(1):34-43

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  • 在线发布日期: 2023-05-05