Flushing fluid for centrifugal pumps used in the pipelining...

Details Flushing fluid for centrifugal pumps used in the pipelining... Flushing fluid for centrifugal pumps used in the pipelining...

B - Operations, Transporting

65

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253/1, 103/102,

B65G 53/30 (2006.01) F04D 7/04 (2006.01) F04D 29/10 (2006.01)

Patent

CA 1138411

Case: ICR 2261 IMPROVED FLUSHING FLUID FOR CENTRIFUGAL PUMPS USED IN THE PIPELINING OF SLURRIES ABSTRACT In methods for transporting an aqueous slurry of parti- culate solids in a pipeline wherein the aqueous slurry has an effective viscosity greater than water and is pumped through the pipeline by at least one centrifugal pump wherein a flushing fluid is used to maintain the bearing surfaces in the centrifugal pump free of particulate solids, an improvement comprising; the use of a thickened aqueous flushing fluid having a viscosity equal to at least about 80 percent of the viscosity of the aqueous slurry.

353634

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