Plastic coarse bubble diffuser for waste water aeration systems

Details Plastic coarse bubble diffuser for waste water aeration systems Plastic coarse bubble diffuser for waste water aeration systems

1989-11-02

1991-07-16

Miles, Tim

Gas and liquid contact apparatus

Contact devices

Liquid tank

B01F 304

Patent

active

050323253

ABSTRACT:
A generally tubular coarse bubble diffuser for aerating waste water is constructed of polyvinyl chloride or a similar plastic material. The diffuser body has a main section with flat side walls through which outlet ports are formed. The opposite ends of the diffuser body are cylindrical and are connected with the main section by transition sections which avoid abrupt changes in the wall thickness or diffuser connector diameter. One end is solvent welded in a plastic Tee fitting and the other end receives a removable end cap. The flat walls provide efficient oxygen transfer and the cylindrical ends allow the use of a threaded end cap and a secure large diameter solvent weld connection to the Tee fitting which directs air to the diffuser.

REFERENCES:
patent: 2730468 (1956-01-01), Martin
patent: 2730496 (1956-01-01), Zavod
patent: 2771320 (1956-11-01), Korwin
patent: 3080124 (1963-03-01), Rathmann
patent: 3608834 (1971-09-01), MacLaren
patent: 3785629 (1974-01-01), McKinney
patent: 3953553 (1976-04-01), Thayer
patent: 3953554 (1976-04-01), Loughridge
patent: 4474714 (1984-10-01), Downs

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