Slurrying oil sand for hydrotransport in a pipeline

Details Slurrying oil sand for hydrotransport in a pipeline Slurrying oil sand for hydrotransport in a pipeline

1997-01-22

1998-06-30

Rosenbaum, Mark

Solid material comminution or disintegration

Processes

With application of fluid or lubricant material

241 2411, 241 29, B02C 1912

Patent

active

057721270

ABSTRACT:
A mixer circuit, in the form of a vertically oriented stack of components, functions to slurry oil sand with water in preparation for pumping through a pipeline. The oil sand is initially dropped from the end of a conveyor. It is contacted in mid-air with a stream of water to distribute the water through the oil sand and to wet the latter. The mixture drops into a downwardly slanted trough. The water and oil sand mix as they move turbulently through the open-ended trough. The slurry is deflected as it leaves the trough and is spread in the form of a thin sheet on an apron. It is then fed over screens to reject oversize lumps. The screened slurry drops into a pump box. The screened slurry drops into a box. The rejected lumps are comminuted in an impactor positioned at the end of the screens. The comminuted oil sand is screened to remove remaining oversize lumps and the screened comminuted oil sands are delivered into the pump box. The structure is compact and the oversize reject loss is relatively low.

REFERENCES:
patent: 5039227 (1991-08-01), Leung et al.
patent: 5264118 (1993-11-01), Cymerman et al.

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