Technical Features of Two Bulb Tubular Pumps

The bulb tubular(propeller)pumps will be installed in many pumping stations of East Route Project of South-to-North Water Diversion in China,including Linjiaba Pumping Station and Huaiying 3rd Pumping Station.In these two pumping stations,international cooperation technologies and different structural units have been used.The structural features and hydraulic performances are introduced mainly and the advantages of two bulb tubular pumps are analyzed in the paper.Further,the applicable prospects and some issues needed to be improved in different structural bulb pumps are put forward.

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