摘要
鹤煤五环分公司3303上顺槽在3301采空区下施工,受采空区积水威胁。防治水人员通过精准预测,顺利疏放老空积水11 791.5 m3,为3303上顺槽掘进及将来3303工作面回采夯实安全基础。本次防治老空水技术上全面,安全上可靠,经济上合理,为鹤煤五环分公司防治老空水开辟了一条新的途径。
Due to construction under No. 3301 goaf, the upper gateway of No.3303 coal seam was threatened by goaf water in Wuhuan Branch of Hebi Coal Co., Ltd. By precise prediction, water control staffs smoothly drained goaf water of 11 791.5 m3 in volume, which laid solid foundation for the gateway driving and caving of the No. 3303 coal seam. The technology was comprehensive, reliable, and economical, which developed a new way for the goaf water control.
出处
《山西煤炭》
2015年第3期38-40,75,共4页
Shanxi Coal
关键词
老空水
沿空掘巷
探放水
效益
goaf water
roadways driving along goaf
water exploration
benefits
