Automatic water replenishing device of explosion-proof water shed for coal mine

The automatic water replenishing device comprises a water replenishing pipe and a water inlet pipe, the water replenishing pipe and the water inlet pipe are in threaded sealing connection, a through water replenishing hole is formed in the top of the water replenishing pipe, a sealing area is formed...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	CHU DEHAI, JIN LUHUA, XIA ZIMENG, XIAO YUNZHI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, ORDISTRIBUTING WATER MINING SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS SEWERAGE WATER SUPPLY
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