The Research On Mine Inflow Prediction Of Qiganlou Iron-mine In Xiao Country, Anhui Province

With the population growing, the rapid industrial development and rapidexpansion of cities, human resources and raw materials demand growth. Iron steelindustry as the basis for the development of the national economy played an importantrole in national economy, with the development of the social, people need more andmore iron ore resources.Qiganlou of Xiaoxian iron stands in Anhui, Henan, Jiangsu provinces border area.Relative to other iron ore in the region, the Iron is still relatively in a low level ofhydro-geological studies, this paper is on the basis of hydrogeological studyconducted at the mine exploration work, Systematic analysis the hydrogeologicalconditions of the area and the deposit water filling factors, by generalized thehydrogeological conditions to establish mining hydrogeological model and numericalmodel of groundwater. Using validated numerical model to predict groundwaterinflow mine, the proposed measures for groundwater management。This paper reviews the current mine water inflow and optimal management ofwater resources research situation, drawing on the research status on the basis of theproblems for the mine proposed thesis research. Depth analysis the hydrogeologicalconditions of mining area, discusses the basic characteristics of underground minewater system, and research the water-filled water, water-filled water-filled channeland the strength of various factors, establish the hydrogeological conceptual modeland mathematical model; Based on finite difference method, using numericalsimulation software Modflow established numerical model of groundwater, and usethe model to predict the-350m depth exploration of the mine water inflow, proposedmine water control measures to provide a scientific basis for mine construction.The results show that: The movement of groundwater region alternating vertical mainly, Quaternary vertical leakage recharge the main source of water for the mine,Ordovician limestone, ore and rock fissures became the mine water storage andtransport channels, thin layer of gravel between the two strong aquifer permeability, isthe main aquifer for the mine, is a water-filled pit the strength of the main factorscontrolling the impact of mine water drainage boundaries; Numerical method topredict the level of exploitation of the mine-350m of Mine Water is34500m3/d.Prediction results can be used as design basis for mining.