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徐庄煤矿风井总深185米。上部穿过147.9米的第四纪表土层,表土层中间有18层流砂,总涌水量为1500吨/小时(大部在地表60米以下)。
Xu Zhuang coal mine total depth 185 meters. The upper part of the Quaternary topsoil passes through 147.9 meters. There are 18 layers of sand flowing in the middle of the topsoil, with a total water inflow of 1,500 tons / hour (mostly below the surface of 60 meters).