METHOD OF EXTRACTION DISTRICT VENTILATION Russian patent published in 2001 - IPC

Abstract RU 2163971 C2

FIELD: mining industry, particularly, ventilation of ore mine extraction districts. SUBSTANCE: method is characterized by the fact that connections for discharge of upcast air run from panel extraction drift beyond the boundary of mining operations to district of deepened belt-and-air heading behind conveyor located in said heading, and chambers are blind ones. EFFECT: efficient ventilation of extraction district with any order of its mining. 1 dwg

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RU 2 163 971 C2

Authors

Gertsen N.I.

Dates

2001-03-10Published

1999-05-07Filed