阜康矿区H2S异常煤矿地质控制因素分析

被引：0

作者：

刘小辉

机构：

[1] 新疆大学

关键词：

瓦斯; H2S异常; 地质因素; 地下水; 阜康矿区;

D O I：

暂无

年度学位：

2014

学位类型：

硕士

导师：

地里夏提·买买提;

摘要：

H2S是一种剧毒、无色、带有臭鸡蛋味的危害性气体，煤矿瓦斯中H2S异常（超过煤矿安全生产规定的6.6ppm）严重影响到矿井工作人员的生命安全及工作面正常生产。本文以阜康矿区H2S异常煤矿为研究对象，利用煤田勘探和矿井开拓资料，通过对比分析矿区内H2S异常煤矿与正常煤矿在地质构造、煤体结构、煤质、煤的吸附性、水文地质及烧变带等方面的差异，认为煤矿逆断层和扭性挤压断裂带发育地带、强烈构造煤发育地区、煤系有稳定隔水层的煤层或煤层水与地下水弱联系或无联系地区、烧变岩形成的H2S溶于水若随地下水运移被煤岩吸附等易造成煤层瓦斯H2S异常；煤岩对H2S的吸附性与煤层H2S含量呈正相关、煤层H2S含量与水分含量（Mad）、灰分产率（Ad）呈负相关的趋势、与全硫含量（St.d）、挥发分产率（Vdaf）呈正相关的趋势、与瓦斯气体中的CH4、N2和CO2呈负相关、随煤层埋深的增加呈减少趋势。

引用

页数：59

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