我矿自投产至今,在进行井下采矿深孔爆破上向孔装药过程中,一直是采用茅草或废纸堵药。这种方法虽然简单,但隐患大不安全,特别是冬、春季节,天干草亦干,易引起燃烧,而夏、秋季节,所用的新鲜茅草含水分较多,湿气大,草装进孔内进一步使炸药受潮,影响爆破质量。采用非电爆破以来,曾多次出现用茅草堵药充填时,草将塑料管连同导爆索一起带入孔内的事故。有 Since the mine was put into operation till now, it has been using thatch or waste paper to block the drug during the deep hole blasting downhole mining process. Although this method is simple, but the hidden dangers unsafe, especially in winter and spring, the day hay also dry, easy to cause burning, and summer, autumn, the fresh grass that contains more moisture, humidity, grass into Hole to further damp explosives, blasting quality. Since the use of non-electric blasting, there have been many occasions with the flowering stuffy stuffing, the grass will be together with the detonating cord grass into the hole accident. Have