论文部分内容阅读
为了探究深部煤层底板泥岩在不同溶液中水岩作用的规律和特征,以永煤城郊煤矿深部底板泥岩为研究对象,分别在蒸馏水、自来水和矿井水中进行了浸泡与电导率测试;在此基础上,通过崩解、荧光、X光衍射和扫描电镜等实验进行了该类型泥岩在不同溶液水岩作用前后差异性对比分析。研究结果表明:不同溶液中泥岩电导率变化是不同的,且干-湿过程对水岩作用有明显的促进作用;该泥岩主要成分为石英、云母、绿泥石,耐崩解性强;不同溶液浸泡对泥岩的微观结构的影响是不同的:矿化度高的矿井水浸泡后的泥岩微观结构最为松散,自来水次之,蒸馏水影响最小。
In order to explore the regularity and characteristics of the water and rock interaction in the deep coal seam floor mudstone in different solutions, taking the deep floor mudstone of the Yongjiao coal mine in Chengu coal mine as the research object, the immersion and conductivity tests were carried out in distilled water, tap water and mine water respectively The differences of this kind of mudstone before and after the action of water and rock in different solutions were analyzed by disintegration, fluorescence, X-ray diffraction and scanning electron microscopy. The results show that the conductivity of mudstone is different in different solutions, and the dry-wet process can obviously promote the water-rock interaction. The main components of this mudstone are quartz, mica and chlorite, which have good resistance to disintegration; soaked in different solutions The influence on the microstructure of mudstone is different: the mudstone with the high salinity mine water is the most loose, the tap water is second, and the distilled water has the least influence.