Automatic filling and sealing device for coal seam dynamic cracks and method

The invention discloses an automatic filling and sealing device for coal seam dynamic cracks and a method. The automatic filling and sealing device comprises a conventional sealing system and a dynamic sealing system. The conventional sealing system mainly adopts the hole sealing technology of press...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WANG WEI, KANG FANGCHAO, LOU ZHEN, FENG ZHENDONG, JIA TIANRANG, WEI GUOYING, YAN JIANGWEI, QIN BINBIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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