METHOD OF CHARGING WATER PRODUCING WELLS WITH BULK SOLID HYDROLABILE EXPLOSIVE SUBSTANCES (VERSIONS) Russian patent published in 2008 - IPC F42D1/08 

FIELD: mining; blasting.

SUBSTANCE: invention refers to mining, particularly to blasting in pits with implementation of hydrolabile explosive substances (ES) in water producing wells. According to the present invention there is provided: version 1, wherein the method of charging water producing wells with bulk solid hydrolabile explosive substances is implemented from a bottomhole of the well via the charging hose equipped with a head which fixes the position of its end from the surface of the ES; the said hose is installed together with an air exhaust hose inside a pressure and water tight polymer sleeve with a diameter exceeding the diameter of the well; version 2, wherein a sleeve is corrugated into adjoining each other goffers 11 arranged around its axis, the sleeve has central channel 12 and is installed into protective container 16; upper end of the corrugated sleeve 15 and protective container 16 are pressure tight secured at the charging and air exhaust hoses, lower end of corrugated sleeve 13 is sealed. In version 3 lower end of sleeve 13 is additionally equipped with a stop of a thrust type; bulk solid hydrolabile explosive substance of density below 1000 kg/m³ is used in this version.

EFFECT: facilitates upgraded efficiency of drilling and blasting.

3 cl, 3 dwg