WELL CHARGING METHOD Russian patent published in 2024 - IPC F42D1/08 F42D1/10 F42D3/04 F42B3/87 

FIELD: mining.

SUBSTANCE: invention relates to mining, to the field of drilling and blasting operations in rocks and can be used in various industries, using blasting operations in rock massifs, in particular during development of minerals by open method. Method for charging wells, characterized by the fact that a polymer waterproof sleeve with a sealed lower end, assembled along its axis, placing a detonator and a charging hose placed in an additional polymer sleeve, treated from above with a lubricant, one end of which is fixed on the lower end of the charging hose by means of a permanent connection, and the other is on the locking element located above the wellhead with possibility of movement along the charging hose and with the size exceeding the well diameter. Then, the polymer waterproof sleeve is immersed into the well to the specified depth, its upper end being fixed on the day surface. Mechanized supply of explosive is performed via charging hose, which is moved towards wellhead as it charges and extracted. Then the upper end of the polymer waterproof sleeve is fixed with a flexible link on the locking element and an inert material is placed on top of it.

EFFECT: increased efficiency of rock crushing technology by explosion, wider field of application of non-water-resistant and water-resistant explosives by increasing the efficiency of charging both dry and flooded wells with an explosive of any brand using a polymer sleeve by reducing the labour intensity of the method and improving the design of the borehole charge.

1 cl, 2 dwg