| 摘要 |
FIELD: mining art, can be used for charging of downcast watery bore-holes with water-containing explosives. SUBSTANCE: the method consists in installation of hoses for delivery of components of water-containing explosives at different levels of bore-hole depth and separate delivery of solid and liquid components of water-containing explosive, when the solid component of water-containing explosive is delivered to the central part of the bore-hole, and the liquid one - to the periphery; the hoses for delivery of the liquid component is installed in the bore-hole at a level below the level of installation of the hose for delivery of the solid component by 0.5 to 1.0 of the bore-hole diameter. EFFECT: enhanced efficiency of charging of bore-holes due to uniform distribution of water- containing explosive throughout the entire charge column in the bore-hole and over it area. 2 dwg |
