与单孔齐发爆破相比,大区微差爆破具有扩大一次爆破规模、改善破碎质量、降低炸药单耗、提高延米爆破量、减少放炮次数及设备停产避炮时间。提高铲装效率、降低爆破地震效应等优点,尤其对于大、中型露天矿开采更能发挥其优越性。本文结合金堆城钼矿床的矿 Compared with single-hole blasting, the differential blasting in a large area has the advantages of expanding the blasting scale, improving the crushing quality, reducing the unit consumption of explosives, increasing the blasting volume of the blasting rice, reducing the blasting times and stopping the blasting of the equipment. Improve shovel efficiency, reduce the blasting seismic effects, etc., especially for large and medium-sized open pit mining to better play its superiority. This paper combines the Jinduicheng molybdenum deposit