矿山井下一般都有渗水,空气比较潮湿,因此,井下炸药库内存放的炸药、雷管和导火线容易受潮变质,影响使用。为了防潮,许多矿井使用白炽灯泡烘烤爆破物品。但是往往由于烘烤时间过长,炸药、导火线和雷管等的外表防潮石腊被烤化,包装纸被烤焦,甚至引起雷管、炸药爆炸。同时,向库内 Mine generally have water seepage, the air is humid, therefore, underground explosives stored explosives, detonators and fuse easily damp metamorphism, the impact of the use. To prevent moisture, many mines use incandescent light bulbs to bake blasting items. But often due to the baking time is too long, explosives, fuses and detonators and other surface moisture paraffin is baked, wrapping paper was burned, and even cause detonators, explosives explosion. At the same time, to the library