Fluid eductor

Details Fluid eductor Fluid eductor

1975-05-19

1976-02-03

Hart, Charles N.

Liquid purification or separation

With means to add treating material

Chromatography

259 4AB, 261 76, 261DIG75, C02B 120

Patent

active

039363821

ABSTRACT:
A fluid eductor for injecting a secondary fluid e.g. air, oxygen, ozone or other reactant fluids into a primary fluid, e.g. oxygen, waste water, depleted water, sewage fluids or other reactant fluids flowing in a conduit. A spool housing having a generally cylindrical header assembly interior thereof is mounted in the conduit in the flow path of the primary fluid. In a first embodiment, the header assembly comprises a hollow tank, an inlet pipe coupled to an external supply of secondary fluid, a plurality of flow through pipes extending through the header tank along the secondary fluid flow path and terminating downstream of the tank, and a corresponding plurality of conical platelet assemblies each arranged concentrically of the associated flow through pipe. Each conical platelet assembly provides a plurality of flow passages in communication with the interior of the tank and the associated flow through pipe to permit secondary fluid to be injected into the primary fluid flowing through the pipe.
In a second embodiment, the header assembly comprises a hollow tank with an apertured downstream wall, an inlet pipe coupled to an external supply of secondary fluid, a plurality of flow through pipes each extending through the tank and having an outlet adjacent the apertured downstream wall, and a corresponding plurality of conical platelet assemblies each having a hollow interior defining a mixture region with a primary fluid inlet adjacent the associated flow through pipe outlet. Each conical platelet assembly comprises a plurality of concentrically arranged frusto-conical plates each having a base end and an apex end and channels formed on the inner or outer surface, or both, extending from the base to the apex ends, adjacent ones of the plates being arranged in surface contact to seal the channels and form a plurality of fluid passageways in communication with the interior of the tank via the apertured wall and in communication with the mixture region for enabling secondary fluid to flow from the tank to the mixture region and intermingle with primary fluid.

REFERENCES:
patent: 2797904 (1957-07-01), Voorheis
patent: 3232590 (1966-01-01), Eckert
patent: 3524630 (1970-08-01), Marion
patent: 3582050 (1971-06-01), Kozak
patent: 3707067 (1972-12-01), Dietrick
patent: 3734111 (1973-05-01), McClintock

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