| 摘要 |
A boiler that enhances the efficiency of the use of heated gas streams to generate steam is provided. The boiler includes a lower drum, an upper drum, a plurality of conduits adapted to transfer heated fluid from the lower drum to the upper drum, a combustion chamber, and a series of heat transfer chambers adapted to receive combustion gases from the combustion chamber. The first of the heat transfer chambers is positioned above the second heat transfer chamber and receives the heated gas from the combustion chamber prior to the second heat transfer chamber. A method of operating the boiler is also provided. Though aspects of the invention are applicable to package boilers, other aspects of the invention are applicable for use in residential, commercial, or industrial settings.
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