SYSTEM FOR EXTRACTING HEAT FROM AN EFFLUENT FLOWING IN A DUCT, AND HEAT EXCHANGER FOR SUCH A SYSTEM
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United States of America Patent
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Issued Date -
Mar 7, 2013
app pub date -
Apr 20, 2011
filing date -
Apr 21, 2010
priority date (Note) -
Abandoned
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Abstract
Disclosed is a system for extracting heat from an effluent duct (2), in particular a wastewater collection device, comprising, in the zones of the inner duct wall located above the effluent, heat exchanger tubes (3) which are exposed to the atmosphere in the duct and through which a heat transfer fluid flows to recover some of the sensible heat and of the latent condensation heat from the steam generated by the effluent. A forced-convection device (9) is provided to generate a movement of air sweeping across the surface of the effluent (1) and increase the evaporation rate of the effluent.
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