Heat exchange furnace with serpentine gas flow path disposed within heat exchange space
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United States of America Patent
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Jul 1, 2008
Grant Date -
Mar 20, 2008
app pub date -
Aug 14, 2006
filing date -
Aug 14, 2006
priority date (Note) -
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Abstract
A heat exchange furnace includes a surrounding wall disposed around a combustion furnace unit so as to define an annular heat exchange space therebetween. Upright buffer plates divide the heat exchange space into a plurality of air chambers communicated with each other. Upper and lower gas-guiding members are connected respectively and fixedly to upper and lower ends of the surrounding wall. Conduit sets are disposed within the heat exchange space, and cooperate with the upper and lower gas-guiding members so as to constitute cooperatively at least one serpentine gas flow path disposed within the heat exchange space.
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