METHOD OF VENTILATING EXTRACTION DISTRICT IN ITS REVERSE MINING

摘要

mining industry; applicable in ventilation of extraction districts. SUBSTANCE: method is characterized by the fact that connection for discharge of upcast air is driven from panel extraction drift to deepened belt-air heading behind conveyer located in it, and face-air headings are connected by connections with panel extraction drift. In this case, connections are located in immediate vicinity from connection for discharge of upcast air. EFFECT: reduced material expenses for ventilation and improved safety of labor conditions. 1 dwg