FIELD: mining engineering.
SUBSTANCE: method includes drilling of well, forming of cracks simultaneously in three planes, passing through axis of well and oriented relative to each other in the mitre in the range from 90 up to 180° by rod, accelerated in the mode of free fall. Cracks are formed by mixture of putty and solid particles. After this in cracks it is forced liquid up to formation in mixture of channels, connecting well to crack borders. Device includes hollow casing, one end of which is connected by thread to pipe, in which it is located rod. Casing is implemented in the form of pipe with longitudinal grooves on inner surface in planes of cracks formation and is filled by mixture of putty and solid particles, between which and rod in casing it is installed piston.
EFFECT: increased efficiency of rock destruction ensured by cracks formation with high rolling-on, high discharge capacity in rock of any strength.
5 cl, 4 dwg
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