Radial header for dissolved air flotation systems

Details Radial header for dissolved air flotation systems Radial header for dissolved air flotation systems

1990-11-13

1992-11-03

Silverman, Stanley S.

Liquid purification or separation

Recirculation

2101951, 210199, 2102212, 210525, 210528, 2105321, 209170, 366165, 417171, 417194, C02F 124, B01D 17035

Patent

active

051606100

ABSTRACT:
A radial mixing header for use with apparatus that removes solids from a liquid by dissolved air flotation (DAF). The header comprises a par of concentric pipes circumscribed by a concentric mixing chamber having a tangential port for introduction of the recycled gas-liquid stream thereinto. The recycled stream achieves rotary and turbulent motion and mixes in a larger diameter pipe with the raw solids-containing stream which flows through a smaller diameter pipe.

REFERENCES:
patent: 2653801 (1953-09-01), Fontein
patent: 3207485 (1965-09-01), Warren
patent: 3243046 (1966-03-01), Kakumoto
patent: 4053142 (1977-10-01), Johannes
patent: 4070277 (1978-01-01), Uban et al.
patent: 4218012 (1980-08-01), Hamza
patent: 4741624 (1988-05-01), Barroyer
patent: 4842777 (1989-06-01), Lamort

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