The invention discloses a blasting method for preventing gangue recoil through top breaking blasting and hoisting equipment, and relates to the technical field of mining engineering large-diameter deep hole blasting. S2, hole measurement; s3, blasting design; s4, hole bottoms are blocked; and S5, charging. The structure is reasonable, the gangue backflushing amount is greatly reduced, the workload of hole finding and hole cleaning is small, long-time gangue digging and hole cleaning at the edge of a goaf by an operator are avoided, and the operation risk is reduced; surrounding blast holes are not damaged, drilling machine hole washing or hole refilling is not needed, and repeated construction is avoided; the roof breaking effect is good, no suspended roof is left, and a free surface is provided for subsequent blasting.
本发明公开了一种破顶爆破防止矸石反冲的爆破方法及吊装设备,涉及矿业工程大直径深孔爆破技术领域,包括S1:钻孔;S2:测孔;S3:爆破设计;S4:堵孔底;S5:装药。本发明结构合理,大大降低矸石反冲量,找孔、清孔工作量小,避免作业人员在空区边缘长时间扒矸清孔,降低作业风险;不破坏周围炮孔,无需钻机洗孔或者重新补孔,避免重复施工;破顶效果好,不留悬浮顶,为后续爆破提供自由面。
Blasting method for preventing gangue recoil through top breaking blasting and hoisting equipment
一种破顶爆破防止矸石反冲的爆破方法及吊装设备
2023-12-08
Patent
Electronic Resource
Chinese
NTIS | 1974
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