Fluidized spray tower

  • US 20030015809A1
  • Filed: 07/17/2002
  • Published: 01/23/2003
  • Est. Priority Date: 07/17/2001
  • Status: Active Grant
First Claim
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1. An apparatus for recovering heat from a heat containing gaseous stream, by transfer of said heat into a liquid medium, said apparatus comprising:

  • (a) a containment vessel having an interior wall, said vessel extending along a central axis and having (i) a hot gas inlet, (ii) a cooled gas outlet, and (iii) a condensate drain;

    (b) intermediate said hot gas inlet and said cooled gas outlet, a contact liquid medium reservoir bottom plate, (c) a first gas passageway, said first gas passageway having (i) a passageway inlet, (ii) a passageway outlet, and (iii) a passageway wall extending from said passageway inlet to said passageway outlet, said first gas passageway sealingly affixed to and upwardly extending from said contact liquid medium reservoir bottom plate a preselected distance to define, from said contact liquid medium reservoir bottom plate to said outlet, a contact liquid medium reservoir space for holding said liquid medium;

    (d) a liquid medium outlet, said liquid medium outlet adapted for removing liquid medium from said liquid medium reservoir space;

    (e) a liquid medium inlet, said liquid medium inlet located between said outlet end of said first gas passageway and said cooled gas outlet of said vessel;

    (f) in fluid communication with said liquid medium inlet, one or more spray nozzles, said spray nozzles adapted to spray said liquid medium downward toward said first gas passageway outlet;

    (g) a coalescer, said coalescer located adjacent said cooled gas outlet of said vessel, and adapted to coalesce liquid droplets attempting to escape outward through said hot gas outlet.

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