Energy efficient technologies for the mining industry

The cavitation generator of fluid pressure oscillations is a promising device for productivity and efficiency improvement in the mining industry (hereinafter referred to as generator). Due periodic growth, separation collapse cavities into volume, shock are realized with frequency range from 1 20 kHz. Oscillatory peak values up by 4 times higher than steady-state at inlet. destroyed rock takes on fatigue character under repeated alternating effects force impulses. development network microcracks rock, discontinuity mass occurs stresses lower ultimate strength. This leads an increase rate penetration, high-quality disintegration well productive zones their production rate, effective loosening degassing outburst-prone coal seams. Purpose. To conduct systematic analysis use evaluate its effectiveness. develop simplified method calculating maximum generator. Methodology. techniques based study recent research publications means impulse action, processing dynamic parameters experimental data. Findings. results given form main that determine technological processes hydro pulse exposure. calculation dependences presented parameter which levels oscillation implemented injection those fluctuations parameter. Originality. It has been established action intensifies industrys significant reduction specific energy consumption. A new level developed, makes it possible rational operation modes Practical value. At stage designing equipment or upgrading existing equipment, this allows determining mode engineering methods reduce consumption process.