Gas and liquid contact apparatus – Contact devices – Liquid tank
Patent
1995-06-06
1996-12-24
Miles, Tim R.
Gas and liquid contact apparatus
Contact devices
Liquid tank
261DIG47, B01F 304
Patent
active
055871143
ABSTRACT:
An aeration/mixing system for applying air or another gas to wastewater or another liquid. A main air supply pipe receives air from a blower and directs the air to a plurality of aeration modules each including a submerged conduit and a plurality of diffusers on the conduit. Flexible hoses connect the main pipe with the conduit of each module. In one form of the invention, a flexible line connected with each module has a sliding connection with a ballast block and may be pulled tautly and secured at the surface to hold the module down in the basin. Retrieval of the module for maintenance requires only that the line be released so that the buoyancy of the module floats it upwardly. A modified embodiment includes an inflatable bladder on each module which can be inflated to cause the module to float upwardly for retrieval.
REFERENCES:
patent: 2650810 (1953-09-01), Nordell
patent: 2989186 (1961-06-01), Weis
patent: 3160685 (1964-12-01), Chase
patent: 3174733 (1965-03-01), Chase
patent: 4273732 (1981-06-01), Roediger
patent: 4797212 (1989-01-01), von Nordenskjold
patent: 5290487 (1994-03-01), Ludwig
Chemineer-Kenics Model KSA Kenics Aerator Drawing, dated Nov. 1, 1980.
Environmental Dynamics, Inc.
Miles Tim R.
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