F - Mech Eng,Light,Heat,Weapons – 22 – B
Patent
F - Mech Eng,Light,Heat,Weapons
22
B
122/64
F22B 7/00 (2006.01) F22B 21/06 (2006.01) F22B 37/10 (2006.01)
Patent
CA 1272913
ABSTRACT OF THE DISCLOSURE A multi-pipe once-through boiler is disclosed having at least one row of circumferentially arranged pipes on which a plurality of fins are arranged in such a manner that the fins are in contact with the flow of combustion gas in a substantially parallel manner. Elements are provided for increasing the heat transfer effect, such as slits in the fins, or an inclined arrangement of the fins, or pipes without fins at the region near to the inlet of the combustion gas passageway. A heat insulating member for decreasing operational noise as well as a cleaner device for blow-cleaning the combustion gas passageway are also provided.
506800
Kawahito Akiyoshi
Kawakami Akinori
Kayahara Toshihiro
Shiraishi Hitoshi
Takeda Satoru
G. Ronald Bell & Associates
Miura Co. Ltd.
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