Hydrogeological Conditions Analysis Of Tai Ge Miao Survey Areas No.2 Minefield

Our country ranks first in coal production and consumption in terms of world.And the coal consumption accounts for 70 percent of China's energy consumption structure of total consumption.Under the influence of the gradual depletion of coal resources in the eastern region,the poor quality of the eastern coal,worsening air pollution and many other factors,the western wealth of high quality coal resources has become an important source of China's coal supply.Dongsheng coal field locates in China's northwest edge of the Maowusu Desert.It is the largest coal in China which has been proved and is rich in coal and natural gas resources.Insisting rational development and utilization on Dongsheng coal field has steadily significant positive effect on China's coal supply for sustainable and rapid economic development.However,it contains multilayer aquifers near the coal measures strata in the study area of Taigemiao,and the coal mine water inrush accident is likely to be in the process of coal mining.There are many water inrush accidents occurred in Shendong coal field near the study area of Taigemiao,such as Ciyaowan mine,which has been scrapped because of water stain insand.Therefore,the hydrogeological study to Taigemiao study area is particularly important.In this paper,we do this study basing on three aspects of the hydrogeological condition,the water filling factors of ore deposits,and the mine water inflow forecast,.We can confirm the connection between each aquifer by adopting ion concentration contrast and water level contrast,and calculate water flowing fractured zone height,analyze source of water filling in the study area,confirm water filling channel,analyze the intensity of water filling.According to the hydrogeological condition else,we use Visual Modflow to establish the mainly aquifer hydrogeological conceptual model and generalize boundary reasonably,conduct model identification and verification,then predict Mine Inflow ultimately.We can have a comprehensive analysis of the study area hydrogeology combining Hydrogeological investigations with computer simulation results and we can also develop scientific and rational water control measures at last.