METHOD FOR CYCLIC-CONTINUOUS MINING OF ROCKS Russian patent published in 2021 - IPC E21C41/00 F42D3/04 F42D1/08 

FIELD: mining.

SUBSTANCE: invention relates to mining of minerals using explosive tillage of rocks and can be used in various industries that use blasting operations in rock massifs. Method of cyclic-continuous mining of rocks includes drilling of rock mass with vertical or inclined blast holes, charging and blasting of wells, further extraction of exploded rock mass and its loading onto bottom conveyor. Explosion is carried out according to the principle of "one deceleration step - one well" with supply of starting pulse to the coal bed in the depth of the massif, preferably along the second or third row on the block edge. Interval of deceleration in the cut row is taken from 100 ms, and in perpendicular direction, along rows of boreholes - twice higher. Rock mass is excavated by mechanical shovel or front loader with loading onto face conveyor via reloader with hopper. Conveyor of the reloader and the face conveyor are equipped with a device for cleaning the lower branch of the belt.

EFFECT: invention allows reducing the number of aggregates and minimizing preparatory-final operations at mass explosions, at the same time improving quality of rock mass crushing due to explosion with screening of voltage waves by the principle "one deceleration - one well".

1 cl, 7 dwg