Agitated slurry pump box for oil sand hydrotransport

Details Agitated slurry pump box for oil sand hydrotransport Agitated slurry pump box for oil sand hydrotransport

1998-01-27

1999-09-21

Rosenbaum, Mark

Solid material comminution or disintegration

Processes

With application of fluid or lubricant material

241 2411, 241 29, B02C 1912

Patent

active

059542772

ABSTRACT:
A large, mechanically agitated pump box is used between a mixer, for mixing oil sand and water to produce a slurry, and a pipeline for conveying the slurry to a processing facility. Prior to the aqueous slurry being discharged into the pump box from the mixer, it is screened to reject large solids. The oversize is directed to an impactor where it is comminuted and the comminuted product is screened again prior to being discharged into the pump box. The pump box is designed to increase the residence time of the slurry in the pump box and to separate the slurry into two phases, the suspended slurry and the larger lumps that cannot be suspended. The larger lumps that settle in the pump box are recycled to the impactor for comminution.

REFERENCES:
patent: 2492421 (1949-12-01), Golben
patent: 5039227 (1991-08-01), Leung et al.
patent: 5451376 (1995-09-01), Proksa et al.
patent: 5772127 (1998-06-01), Maciejewski et al.

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