固体废弃物矿山充填多层次封闭技术研究 |
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引用本文: | 张翔,姜福兴,李佳洁,朱斯陶.固体废弃物矿山充填多层次封闭技术研究[J].煤炭工程,2020,52(1):128-132. |
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作者姓名: | 张翔 姜福兴 李佳洁 朱斯陶 |
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作者单位: | 1. 中煤能源研究院;2. 北京科技大学; |
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摘 要: | 针对矿山采空区充填固废的封闭问题,通过理论分析、现场调研等方法,对深井固废多层次封闭技术进行了研究,得到以下主要结论:固废深井封存包含固废隔离、长期封闭和固废稳定三方面,确保固废深地质处置达到稳定状态,封存年限为20年以上|建立了固废矿山充填多层次封闭技术体系,包括区域封存、表面封闭、充填体封闭和通道封闭4个层次的封闭结构。对试验矿进行了固废矿山充填多层次封闭技术体系的初步设计,为后期封闭工作的实施提供了理论基础。
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关 键 词: | 固废充填 矿山采空区 多层次封闭 围岩 通道封闭 |
收稿时间: | 2019-05-07 |
修稿时间: | 2019-07-25 |
Study on Multi-level Sealing Technology of Solid Waste Mine Filling |
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Abstract: | In view of the sealing problem of solid waste filling in mine goaf, the following conclusions are drawn through theoretical analysis, field investigation and other methods: (1) To determine the sealing target of solid waste deep well: solid waste deep geological disposal achieves a stable state, and the target of effective sealing period is set as 20 years (reference standard); (2) To put forward a multi-level sealing technology system for solid waste mine filling, which includes regional sealing, surface sealing and filling. (3) Complete high-strength hard rock or expansive soft rock is the ideal surrounding rock for regional sealing; (4) Design a channel sealing structure suitable for solid waste mine filling, which has two functions of support and sealing; (5) To design a multi-level closed technology system for filling solid waste mines in a coal mine. |
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