Water curtain dust fall structure for return air upper corner on fully mechanized caving face

The utility model relates to a tunnel coal dust treatment structure, in particular to a water curtain dust fall structure for a return air upper corner on a fully mechanized caving face, which solves the problem of reducing the dust concentration in a return air upper corner passage and a tail tunne...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MA YUEJIN, FENG JIANWEN, JI YANBO, CUI ZHIYUN, MENG XIANGJIAN, GUO JIANGBO
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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