Moving coal around a stockyard entails massive power demands, and how to apply this power, hydraulically or electrically, is a matter of debate.
The key requirements for conveyor installations are similar worldwide, i.e. variable adjustment to the load, soft ramp up and ramp down, low maintenance requirements and long service intervals. This is especially true in terrain that is difficult to access but also applicable to stockyards where any conveyor failure can have severe implications at the loading/discharge interface....
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This complete item is approximately 2000 words in length, and appeared in the March/April 2009 issue of CoalTrans International, on page 29.
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