Storage type boiler heating exchanging structure for preventing condensation
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United States of America Patent
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Feb 19, 2013
Grant Date -
Dec 17, 2009
app pub date -
Jan 3, 2007
filing date -
Jul 10, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A heat exchanger of a non-condensing storage type boiler for preventing condensation is provided. The heat exchanger include a heating water outflow port installed on an upper portion of the boiler, a heating water inflow port installed lower than the heating water outflow port, and an internal pipe extending spirally from the heating water inflow port and being installed in a water tube of the boiler. The internal pipe is connected to an extension pipe that extends through a re-entry outlet passing through a wall of the boiler to be connected with a re-entry inlet.
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