Coal saver

A coal caving system including a canopy for supporting a mine roof and a conveyor positioned beneath the canopy which also includes a rear canopy with a slider door for selectively caving coal onto the conveyor, the system further including a coal saver device coupled relative to the conveyor for at...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Wang, Maohu Matthew, Chandler, Steven
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS SHAFTS TUNNELS
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Beschreibung
Zusammenfassung:	A coal caving system including a canopy for supporting a mine roof and a conveyor positioned beneath the canopy which also includes a rear canopy with a slider door for selectively caving coal onto the conveyor, the system further including a coal saver device coupled relative to the conveyor for at least partially filling a goaf region adjacent the conveyor, wherein the device includes a tray arranged to be supported directly on a ground surface to accumulate coal which forms into a mound in the goaf region and serves to direct goaf spill onto the conveyor.