Tubular diffuser with adjustable plug

Details Tubular diffuser with adjustable plug Tubular diffuser with adjustable plug

1990-06-04

1991-10-22

Miles, Tim

Gas and liquid contact apparatus

Contact devices

Liquid tank

B01F 304

Patent

active

050593587

ABSTRACT:
A tubular membrane diffuser for a wastewater aeration system. The diffuser includes a pipe having spaced apart outlet ports and a porous membrane sleeved around the pipe for discharging air in bubbles. An adjustable plug can be located at the outboard end of the diffuser pipe in a fully buoyant application, near the inboard end of the diffuser pipe in a non-buoyant application where water occupies the outboard half of the diffuser, or anywhere between the diffuser pipe ends in a partially buoyant application. The plug includes a ring with a tapered bore and a tapered plug that threads into the bore to radially expand the ring for securing it in place.

REFERENCES:
patent: 4640803 (1987-02-01), Schmidt-Kufeke et al.
patent: 4818446 (1989-04-01), Schreiber et al.
patent: 4960546 (1990-10-01), Tharp

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