Transactions . ,c > VOL. *-19(W. 268 VARIOUS TYPES OF COAL tunnel, and the loosecoal over it immediate-ly runs on to the con-veyors, which may ormay not have beenstarted. If running,then the flow continues;if standing, no harm isdone, as the conveyoris only filled at thatpoint, and the aper-ture becomes blockedand only clears itselfwhen the belt is start-ed, and then the floAvbegins. If no bridgingoccurs, the after partof the hold is rapidlyemptied on to the con-veyor which is carryingit on deck and into thereceiving trucks orbarges. If, however,any bridging is thre
Transactions . ,c > VOL. *-19(W. 268 VARIOUS TYPES OF COAL tunnel, and the loosecoal over it immediate-ly runs on to the con-veyors, which may ormay not have beenstarted. If running,then the flow continues;if standing, no harm isdone, as the conveyoris only filled at thatpoint, and the aper-ture becomes blockedand only clears itselfwhen the belt is start-ed, and then the floAvbegins. If no bridgingoccurs, the after partof the hold is rapidlyemptied on to the con-veyor which is carryingit on deck and into thereceiving trucks orbarges. If, however,any bridging is threat-ened, the operator inthe tunnel ascends tothe chamber and hasfree access over theaperture to correctany block. If bridgingoccurs higher in thehold, then he breaksit by means of a pinch-bar through prick-holes in the chambersides. When the after endof the cargo has runto its natural angleof repose, the operator,. VARIOUS TYPES OF COAL CARGO-STEAMERS. 26£
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Keywords: ., bookcentury1800, booksubjectmechan, booksubjectmineralindustries
