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我国深孔爆破一般以电雷管起爆为主,这是因为电气起爆要比导爆线的成本低1/2至1/3,并且可以减少进口原料泰安的消耗量,特别是因为电气起爆法可以减少因导爆线加工质量不良、保管不善而发生的拒爆事故。国外的某些现场试验的结果表明,用导爆线起爆空气间隔药包在许多条件下能改善爆破质量,但是从我们的生产实践及块度分析结果看来,采用电雷管起爆乃至殉爆法起燃空气间隔的上部药包(以下简称起爆空气间隔药包)其效果也不低于导爆线起爆法的,在大冶铁矿用电雷管起爆也得到良好的效果。然而,采用导爆线起爆时,药包可以被空气间隔分为数段,采用电雷管起爆时,毕竟会因起爆器材数量和施工复杂性所限,药包只能在2～3段以下,这一点在某些情况下就限制了空气间隔药包结构优越
China’s deep-hole blasting is usually detonated by electric detonator, which is because the cost of electric detonation is one-half to one-third lower than that of the detonating wire and can reduce the consumption of imported raw material Tai’an, especially because the electric detonation method can Reduce the detonating line due to poor processing quality, improper custody and refused to blast accident occurred. The results of some field tests abroad show that the initiation of the air spacers with the detonating wire can improve the blasting quality under many conditions. However, from our production practice and the results of the block analysis, it seems that the electric detonator initiation and even the detonation explosion method The upper package (hereinafter referred to as the detonating air compartment bag) that ignites the air space is also not less effective than the detonating line detonating method, and the detonating detonator in Daye Iron Mine also obtains good results. However, when the detonating wire is detonated, the drug pack can be divided into several sections by the air gap. When detonating with an electric detonator, the number of the detonating apparatus and the complexity of the construction are limited, and the medicine pack can only be below 2 to 3 sections In a few cases, the air spacers were limited in structure and superior in structure