应用分形理论研究煤孔隙结构  

Study on Pore Texture of Coal With Fra ctal Theory

作　　者：王文峰[1] 徐磊[1] 傅雪海[1] 

机构地区：[1]中国矿业大学资环学院,徐州221008

出　　处：《中国煤田地质》2002年第2期26-27,33,共3页Coal Geology of China

基　　金：国家自然科学基金资助项目(编号49972052)部分成果

摘　　要：通过对淮南、淮北两个研究区内各煤矿不同煤级煤样进行的压汞法孔隙测量结果的分析,表明用分形维数可以表示煤的孔隙结构特征,而且煤孔隙体积分形维数随着煤变质程度的增高而减小,渗透性随煤级的增加而减弱。Through analyses on measure results of coal pore with mercury porosimetr y for different ranks of coal from each coal mine in both research areas of Huainan and Hu aibei,indicated that pore textural features of coal may be expressed wit h fractal dimensions,and that fractal dimensions of coal pore volume decreased along with increasing of ranks of coal,and the permeabi lity is also decreased along with increasing of ranks of coal.

关 键 词：煤 分形维数 孔隙结构 压汞法 煤级 煤层气 吸附性 变质程度 

分 类 号：TQ533[化学工程—煤化学工程]