Pipeline Syphons for Economical and Simple Water Transfer

CIM MineSpace 2001
Kenneth Kress, Wes Dick,
Abstract Syphons can be simple, reliable and proven alternatives to otherwise more complex pumping or low level outlet works. In a simple form they consist of a pipeline constructed over an embamkment or high topographic feature, connecting a source pond to a receiving pond or channel. The syphon action is initiated by removing air from the pipeline (priming) using simple devices which can be purchased "off the shelf". Once primed, the syphon flow rate can be controlled or stopped using conventional gate, valve, orifice plate or other devices. Repriming is not required even if the flow is stopped, provided the syphon is not drained. A limiting factor in considering a syphon as a design option is the maximum lift (i.e., vertical distance from pond level to summit of syphon) which is approximately 9 metres, or less, dependent on syphon design features and site conditions. Pipeline syphons can be quickly constructed from readily available materials including steel, polyethelene and PVC pipe. They are particularily well suited to many of the unique conditions often encountered at minesites. This paper identifies situations that can sometimes be best resolved using pipeline syphons. It provides basic principles for pipeline syphon design and includes case histories of their successful application.
Keywords: Minewater, Siphon, Pipeline, Syphon
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