Liquid heaters and vaporizers – Water tube – Having plural fireboxes
Patent
1993-10-04
1994-10-11
Favors, Edward G.
Liquid heaters and vaporizers
Water tube
Having plural fireboxes
12223515, 12223523, 12223534, 12223535, 1222402, 1222403, F22B 3100
Patent
active
053537491
ABSTRACT:
A boiler for converting water to steam comprising a boiler enclosure having walls. An upper drum and a lower drum supported on the walls. First boiler tubes connected to the upper drum and to the lower drum. Second boiler tubes are connected to the upper drum and to the lower drum. The boiler tubes are bent in a serpentine shape having crests and bases. The crests of the first boiler tubes are spaced from the crests of the second boiler tubes. The bases of the first boiler tubes are disposed adjacent the bases of the second boiler tubes and form combustion chambers which receive cylindrical burners. A convection pass is formed between the boiler tubes and the sides, top and bottom of the enclosure. Heat absorbing tubes are located in the convection pass. Outer wall tubes are connected to the drums and supported on the inside of the enclosure walls. Heat transfer tubes are placed between the boiler tubes and the outer border tubes.
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Fuhrman, Jr. Theodore C.
Seibel Robert V.
Favors Edward G.
Zurn Industries, Inc.
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