FIELD: mining.
SUBSTANCE: invention refers to mining, to devices of magneto-pulse destruction or devices of explosion-magnetic destruction in particular and may be used during borehole breaking of hard rock. Device consists of source of electric energy, frequency converter, energy storage unit 20, switch box, cylinder 4, magnetic coil 10, centre 5 and peripheral 11 electrodes, elastic wave source 34 and magnetic dipole 17, which is located at some angle to working face, and longitudinal axle of drilling assembly in ring chamber 18, filled with liquid coolant 19. Magnetic dipole 17 is made of material with high-temperature superconductivity.
EFFECT: invention allows to increase degree of weakening of intergranular connections of complex mineral compositions and to enhance processing rate of hard rocks destruction with reduction of energy consumption and metal consumption of equipment.
5 cl, 3 dwg
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Authors
Dates
2009-12-20—Published
2008-07-29—Filed