PROCESS OF VENTILATION OF CHAMBERS WHEN DEVELOPING THICK SEAM BY CHAMBER MINING SYSTEM

FIELD: mining industry. SUBSTANCE: process of ventilation of chambers when developing thick seam by chamber mining system is intended for ventilation of Tee chambers and for provision of safe operations thanks to proper directions of streams of fresh and polluted air. Fresh air is supplied from tran...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	TROFIMOV N.A, KULTYGIN V.I, LEN'SHIN A.A, MOKHIREV N.N
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS MINING SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS
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