大水工作面综合防治水技术的研究与应用

The working face of comprehensive water prevention and control technology research and application

东欢坨矿3088工作面的水文地质情况十分复杂,上有本煤层顶板水和5煤层砂岩顶板强含水层水,下有本煤层底板水,涌水量较大,严重影响工作面的正常生产。针对该工作面实际,研究出增设泄水眼、振动筛煤水分离、设立沉淀池和排水站以及减少运道和泄水巷水煤流量等一系列技术措施。通过在回采期间的应用,不仅有效避免了水害带来的威胁,而且有力保证了工作面的高产高效开采。

The hydrogeology condition of 3088 working surface in Donghuanmo coal mine is extremely complex. It has waters not only from coal roof and five Coal seam sandstone roof strong aquifer above but also from floor of coal seam below, so that the water inflow is quiet strong, which seriously affects the operations and productions of the working surface. After considering the practicality, series technical measures are worked out, including adding water spout, separation between coal and water of vibrating screen, setting up settling pond and drainage station, and reducing flow volumes of channels. By means of the applications during the extraction period, it can be prevented by the threat from water damage, and be strongly assured the high productivity and efficiency of the exploitation on the working surface.