四股泉一号井煤地质特征与采矿环境影响分析

Analyses of Coal Geological Characteristics and Mining Environmental Impact in Siguquan No.1 Well

借助四股泉一号井的钻探、地震、煤质化验等地质资料,对该地区煤地质特征进行了系统的研究,对该区煤炭开采可能引起的环境问题进行了分析。研究表明:四股泉一号井主要含煤地层为太原组,该组地层含可采煤层8层,平均总厚度12.89 m,可采厚度2.15 m,含煤系数9%。该区煤层开采大概率会引起地面塌陷等地质灾害,对地下水、土壤、大气、植被存在一定影响。该区煤及矸石中有害元素S、P、F、Pb、Hg含量较高,其淋溶水对土壤及地下水存在影响。在生产过程中,应采取必要的防范措施以减少对环境的影响。

Based on the geological data such as drilling,seismic and coal quality test of Siguquan No.1 well,the characteristics of the coal geology in this area were systematically studied,and the possible environmental problems caused by coal mining in this area were analyzed.The research shows that the main coal-bearing strata in Siguquan No.1 well is Taiyuan formation,which contains 8 layers of recoverable coal seams,with an average total thickness of 12.89 m and a mining thickness of 2.15 m,the coal-bearing coefficient is 9%.In this area the coal seam mining most likely can lead to ground sinking and other geological disaster,and has a certain impact on groundwater,soil,air and vegetation.The harmful elements such as sulfur,phosphorus,fluorine,lead and mercury in coal and gangue in this area are high,and the leaching water has an impact on soil and groundwater.In the production process,necessary preventive measures should be taken to reduce the impact on the environment.