Flushing fluid for centrifugal pumps used in the pipelining of s

Details Flushing fluid for centrifugal pumps used in the pipelining of s Flushing fluid for centrifugal pumps used in the pipelining of s

1979-10-04

1980-12-16

Nase, Jeffrey V.

Conveyors: fluid current

With adjunctive substance added

Liquid

277 3, 277 68, 406 97, 406104, 415112, 415116, B65G 5330

Patent

active

042394228

ABSTRACT:
In methods for transporting an aqueous slurry of particulate 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.

REFERENCES:
patent: 2332150 (1943-10-01), Huff
patent: 2624599 (1953-01-01), Eaton
patent: 2920923 (1960-01-01), Wasp et al.

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