西部矿区生态保护型开采与伴生资源协同利用研究与实践:以新街台格庙矿区为例
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1.神华新街能源有限责任公司;2.中煤科工开采研究院有限公司

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TD745

基金项目:

支撑能源转型的煤炭清洁高效利用国家科技重大专项(2024ZD1700203);国家自然科学基金面上资助项目(52174079)


Research and practice on coordinated utilization of ecological protection mining and associated resources in the western mining area :the example of Xinjie Taigemiao mining area
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1.Shenhua Xinjie Energy Co., Ltd;2.CTEG Coal Mining Research Institute

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    摘要:

    西部矿区作为我国煤炭战略储备核心区,其规模化开采与生态脆弱性的矛盾日益凸显。为明确生态保护型开采与伴生资源协同利用的技术路径,本文系统梳理了保水开采、煤矸石处置、高矿化度矿井水处理及地表沉陷控制等技术进展,并以新街台格庙矿区为例开展了适用性分析,提出了矿井生态保护型开采与伴生资源协同利用方案与工程规划。结果表明:西部矿区保水开采体系应以源头控制、过程调控、被动保护和监测管理为主,煤矸石利用以井下规模化充填与地面高值化利用并行,高矿化度矿井水形成分级处理、分质回用和浓盐水资源化技术路线;针对新街矿区深部复合含水层下厚煤层开采条件,提出控裂保水、矸石协同、矿井水资源化利用方案。通过优化开采参数及预裂厚硬关键层控制导水裂缝带发育;规划建设5座井下充填站和1座地面加工站,实现矸石规模化处置与生态土、建材利用;针对高钠、高硫酸盐矿井水,采用源头控水、深度处理与深层回灌相结合的储备回用模式。本研究明确了西部矿区生态保护型开采与伴生资源协同利用技术内涵,并通过典型矿区规划验证了技术体系的可行性,为西部生态脆弱矿区实现绿色开采与资源循环提供了系统的理论参考与实践路径。

    Abstract:

    Western mining areas are major strategic coal reserve bases in China. Large scale coal extraction is increasingly constrained by water scarcity and ecological fragility. To clarify the technical approach to ecological protection-oriented mining and the coordinated utilization of associated resources, recent advances in water-preserving mining, coal gangue disposal, high-salinity mine water treatment, and surface subsidence control were reviewed. Representative engineering cases were compared. An applicability analysis was conducted for the Xinjie Taigemiao Mining Area. An integrated engineering plan was then developed. It is shown that source control, process regulation, passive protection measures, and monitoring-based management are required for water preserving mining in western mining areas. Coal gangue is mainly disposed of through large-scale underground filling. High-value utilization at the surface is adopted as a supplementary approach. High salinity mine water is managed through staged treatment, fit for purpose reuse, and concentrated brine recovery. In the Xinjie Taigemiao Mining Area, the Anding Formation aquiclude is identified as the key barrier protecting the Cretaceous aquifer. The development of the water conducting fracture zone can be restricted through the optimization of mining parameters and the pre-splitting of thick, hard key strata. The construction schedule and industrial site layout of eight mines are considered in the engineering plan. Five underground filling stations and one surface processing plant are planned. Coal gangue is disposed of on a large scale and converted into ecological restoration soil and construction materials. For mine water with high concentrations of sodium and sulfate, a storage and reuse mode is proposed. Source control of mine inflow, advanced treatment, and deep geological reinjection are combined in this mode. The technical connotation of ecological protection-oriented mining and coordinated associated resource utilization is clarified. The engineering applicability of the proposed approach is illustrated through case-based planning. A technical basis is provided for green coal extraction and resource recycling in ecologically fragile western mining areas.

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王旭东,张玉军. 西部矿区生态保护型开采与伴生资源协同利用研究与实践:以新街台格庙矿区为例[J]. 科学技术与工程, , ():

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  • 收稿日期:2026-06-25
  • 最后修改日期:2026-09-10
  • 录用日期:2026-09-14
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