Feedwell dilution system for thickeners in oil sands

Details Feedwell dilution system for thickeners in oil sands Feedwell dilution system for thickeners in oil sands

2011-08-02

2011-08-02

Upton, Christopher (Department: 1776)

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

C210S800000, C210S805000, C210S194000, C210S519000, C210S541000

Reexamination Certificate

active

07988865

ABSTRACT:
A feedwell dilution system for diluting an influent feed stream, which include at least one eductor assembly, and a feedwell assembly. The at least one eductor assembly includes a feed pipe which converges to a narrow throat portion or nozzle; a mix tube positioned downstream from the narrow throat portion that is sized and configured to provide mixing of the influent feed stream and a clarified liquid drawn from a settling tank; and an enclosure, which is installed around the narrow throat portion and an inlet portion of the mix tube and includes an open-ended portion on a bottom thereof, which is sized and configured to allow a clarified liquid to be pulled into the mix tube from below the inlet portion of the mix tube. The feedwell assembly is sized and configured to receive the mixture of the influent feed stream and the clarified liquid from the mix tube.

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