OPENCAST MINE Russian patent published in 2013 - IPC E21C41/26 

FIELD: mining.

SUBSTANCE: opencast mine includes sites and a trench on an end board with a crushing-overloading point arranged on the sites, as well as a belt conveyor lift in the trench, serving to crush rock mineral, unloaded from dump trucks, and its transportation to the surface with further transportation by a conveyor line to a crushing-dressing plant. The opencast mine includes an external trench, in which there is a crushing-overloading point, equipped with mobile crushing-overloading plants, and a part of a conveyor line to the crushing-dressing factory, and also a horizontal transport terrace, connecting the bottom of the outer trench with the terrace of the capital exit of the opencast mine.

EFFECT: reduced costs for development of an opencast mine due to generation of the entire volume of mineral from an opencast mine to a crushing-dressing plant with motor-conveyor transport.

2 dwg