Liquid heaters and vaporizers – Industrial – Port
Patent
1987-10-23
1989-05-02
Yuen, Henry C.
Liquid heaters and vaporizers
Industrial
Port
165182, 122367R, 122136R, 122 13R, F22B 700
Patent
active
048258130
ABSTRACT:
A multi-pipe once-through boiler having at least one row of a plurality 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 the combustion gas in a substantially parallel maner. 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, are provided. Furthermore, a heat insulating member for decreasing operational noise as well as a cleaner device for blow-cleaning the combustion gas passageway are provided.
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Kawahito Akiyoshi
Kawakami Akinori
Kayahara Toshihiro
Shiraishi Hitoshi
Takeda Satoru
Miura Co., Ltd.
Yuen Henry C.
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