Abstract:
With the extension of underground mining depth in the No.8 coal mine of Pingdingshan coal Mine Group, high-pressure water of floor cambrian limestone aquifer increased threat to the second level of coal seam, it has become essential to reduce the second level of coal seams to withstand high water pressure value. Determined by the underground scene, the cambrian limestone water temperature is up to 50 ~ 62 ℃, if the normal hydrophobic buck method is used for processing, by the cooling influence of high temperature water, the mining face temperature will reach above 35 ℃, the production work will be forced to stop. In this paper, on the basis of the geothermal formation mechanism and distribution pattern, according to geothermal water pressure, temperature characteristics, and mine mining situation, economically reasonable and technically feasible geothermal disaster control measures are put forward, the paper designs the exploitation of geothermal wells and develops and optimizes a comprehensive development and utilization of geothermal water program, which achieves the strategic shift of the mine geothermal hazards from passive prevention to take the initiative.