Air diffusers

Details Air diffusers Air diffusers

1975-10-23

1977-09-13

Spear, Jr., Frank A.

Liquid purification or separation

With means to add treating material

Directly applied to separator

261122, B01F 304, C02C 112

Patent

active

040480720

ABSTRACT:
A radial configuration of flexible diffuser tubes eliminates short-circuiting by automatically producing a flow pattern extending well beyond the radial extent of the diffuser. A slitted diaphragm at the outer end of a diffuser tube facilitates the removal of water during start-up. A preferred diffuser comprises an inner perforated conduit surrounded by a fabric tube through which air is released into the liquid. Providing a space between the conduit and the fabric tube and filling the space with gravel pellets provides for greatly improved uniformity in air diffusion.

REFERENCES:
patent: 1326174 (1919-12-01), Borcherdt
patent: 1717713 (1929-06-01), Logan
patent: 1910386 (1933-05-01), Garrett
patent: 2777815 (1957-01-01), Forrest
patent: 3033372 (1962-05-01), Riddick
patent: 3775307 (1973-11-01), McWhirter et al.
patent: 3782704 (1974-01-01), Schramm et al.
patent: 3808123 (1974-04-01), Neel
patent: 3841997 (1974-10-01), McGee
patent: 3893924 (1975-07-01), LeCompte, Jr. et al.

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