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Abstract Based on roadway deformation and roof caving caused by underground mining area stress, which influenced safe operation of deep mining area water drainage equipment, super-distance and super-deep water drainage system was designed and applied, the technology realized super-distance and super-deep water drainage and drainage equipment protection of levels drop and drainage equipment control line length of more than 540 m and 2 800 m, and achieved remote operation of one level of substation for the horizontal drainage system, laid foundation for underground mining of Xingdong Mine.
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