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New Techniques in Designing to Prevent Pump Station Overflows

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Typically, wastewater pumping stations have been designed to have one pump capable of meeting the Peak Design Flow at the highest pressure condition expected. The second pump would be an alternate or required standby. Often, the discharge head pressure that the pump is subjected to most of the time is far less than the peak flow, high head design pressure condition and frequently less than recommended for the particular pump. The pump is then forced to operate at a condition that it was not designed for. Depending on the particular pump and condition, this often causes a number of problems. These can be motor overloading, poor pump and motor efficiency, pump cavitation, vortexing and air entrainment, loss of flow and head capacity, excessive pump wear with high maintenance costs and pump station overflows. A new patented device is now available to designers to eliminate all of these design problems.

Document Type: Research Article


Publication date: 2008-01-01

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