<p>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.</p>
申请公布号
WO2012162720(A1)
申请公布日期
2012.12.06
申请号
WO2012AU00077
申请日期
2012.01.31
申请人
YANCOAL AUSTRALIA LTD;CHANDLER, STEVEN;WANG, MAOHU MATTHEW