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Heidelberg Cement, CADMAN, USA
Commissioned 2006
Role- Designer
Client- ThyssenKrupp Robins
This downhill conveyor was designed for Cadman’s new limestone quarry in
Washington State. The conveyor is designed to carry 1000 tph down the hill and
400 tph back up the return side. It overcomes difficult terrain over its length
of 2 km, including a vertical drop of 274 m with 14 vertical and 2 horizontal
curves, and a maximum slope of 18 degrees. See Video
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ALCOA Rockdale, TX, USA (Now Luminant Mining)
Commissioned 2005
Role- Designer
Client- ThyssenKrupp Robins
Commissioned in June 2005, this 19.3 km single flight conveyor was the longest
conventional conveyor in the world. It also included one intermediate drive
and 11 horizontal curves. In order to negotiate 11 horizontal curves in plan,
power was distributed between the head, tail and half way point on the conveyor.
An intermediate tripper drive will be one of the first of its kind on a surface
application. Overland Conveyor Co provided the intermediate drive support as well
as the control algorithms for starting and stopping.
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