| 复杂条件下综采采空区自燃“三带”划分数值模拟 |
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| 引用本文： | 朱云辉,唐明云,夏仕伯.复杂条件下综采采空区自燃“三带”划分数值模拟[J].科技导报(北京),2011(12). |
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| 作者姓名： | 朱云辉 唐明云 夏仕伯 |
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| 作者单位： | 淮南职业技术学院通风安全系;安徽理工大学能源与安全学院;淮南矿业(集团)有限责任公司安全开采总院; |
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| 基金项目： | “十一五”国家科技支撑计划项目(HNKY-JT-JS-(2009)11) |
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| 摘 要： | 受复杂地质条件影响,用埋管取样分析方法划分采空区三带有诸多限制,采用数值模拟方法成为分析采空区三带的主要手段。本文利用Fluent流体力学模拟软件,对淮南矿业集团潘北1121(3)综采工作面采空区进行流场模拟,并根据采空区内漏风风速划分指标确定了三带的位置及范围。结果表明,氧化带的宽度在40.0m左右,以此推论工作面采空区内部自然发火的可能性较小。最后,改变工作面的供风量,得出不同供风量对采空区三带位置和范围的影响。模拟结果显示,工作面的供风量越大,采空区氧化带位置越向采空区深部延伸,且氧化带的范围越大。
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| 关 键 词： | 复杂条件 采空区 自燃发火 “三带”划分 |
Numerical Simulation of Distribution of Spontaneous Combustion Three-Zone Division in Fully Mechanized Goaf Under Complicated Situation |
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| ZHU Yunhui,TANG Mingyun,XIA Shibo.Numerical Simulation of Distribution of Spontaneous Combustion Three-Zone Division in Fully Mechanized Goaf Under Complicated Situation[J].Science & Technology Review,2011(12). |
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| Authors: | ZHU Yunhui TANG Mingyun XIA Shibo |
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| Affiliation: | ZHU Yunhui1,TANG Mingyun2,XIA Shibo3 1.Department of Ventilation and Safety,Huainan Vocational and Technical College,Huainan 232001,Anhui Province,China 2.College of Energy & Safety,Anhui University of Science and Technology,China 3.Institute of Safe Working,Huainan Mining Group,Chin |
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| Abstract: | Under the influence of the complicated geological conditions,the method of sampling analysis by pipe for dividing three-zone in the goaf has many limitations.Utilizing the method of numerical simulation to analyze three-zone in the goaf becomes the main means.The fluid mechanics calculation software,Fluent is applied to simulate the air leakage flow field status in the goaf of 1121(3) working face of Panbei Mine,Huainan Mining Group,and then the three-zone of goaf location and area are obtained according to... |
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| Keywords: | complicated conditions goaf spontaneous combustion three-zone dividing |
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