Explosion-proof water barrier dedicated water injector

An explosion-proof water barrier dedicated water injector comprises a main aqueduct, the front end of the main aqueduct is provided with an arc-shaped bend, the back end of the main aqueduct is provided with a high pressure quick opening ball valve and a high pressure quick coupling in sequence. The...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YANG QINGSONG, LU ZEGANG, CHANG ERMIN, CHEN HUI, QI KANGWU, SONG JINZHONG
Format:	Patent
Sprache:	chi ; 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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