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Submersible aeration train and aeration apparatus for biological purification of sewage

  • US 5,316,671 A
  • Filed: 01/21/1993
  • Issued: 05/31/1994
  • Est. Priority Date: 01/21/1993
  • Status: Expired due to Fees
First Claim
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1. Aeration apparatus adapted to be used with a liquid filled basin having a bottom floor comprising;

  • a plurality of assemblies arranged in parallel each comprising;

    aeration means for aerating liquid in said basin, said aeration means being configured and arranged to discourage entanglement between said parallel assemblies, inflatable float means having a top and a bottom side, means to inflate and deflate said float means, means to attach said aeration means to said bottom side of said float means, said float means and said aeration means being together configured and arranged so as to be movable between a first and second position, said first position being with said float means floating on the surface of said liquid filled basin with said aeration means being suspended above said bottom floor of said liquid filled basin and below said float means, said second position being with said float means being submerged beneath the surface of said liquid filled basin and said aeration means being substantially in contact with the bottom of said basin,whereby,when said inflatable float means is inflated, said float means and said aeration means assume their said first positionandwhen said float means is deflated, said float means and said aeration means assume their said second position.

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