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A fire-tube boiler is a type of boiler invented in 1828 by Marc Seguin, [1] in which hot gases pass from a fire through one or more tubes running through a sealed container of water. The heat of the gases is transferred through the walls of the tubes by thermal conduction , heating the water and ultimately creating steam .
Multi-tube boiler: fire-tube boiler with multiple small fire-tubes, rather than a single large flue. Mumford boiler: A form of three-drum water-tube boiler by A. G. Mumford of Colchester. [39] The water-tubes are highly curved and the flue only covers the centre of the steam drum, not enclosing its whole length. [40]
Download as PDF; Printable version; In other projects ... Pages in category "Fire-tube boilers" ... Vertical boiler with horizontal fire-tubes; Vertical fire-tube boiler;
It is best known from its popularity in model engineering, as a multi-tube boiler that's relatively easy to construct. The boiler consists of two concentric drums with a waterspace between them. Fire-tubes pass through this drum, arranged symmetrically around the diameter. The entire boiler is wrapped in a cylindrical smokebox.
Fire-tube Fire-tube boiler A boiler where the primary heating surface is tubes with hot gas flowing inside and water outside. See also: water-tube boiler. Flash steam Flue A large fire tube, either used as the main heating surface in a flued boiler, or used as enlarged firetubes in a locomotive-style boiler where these contain the superheater ...
The HP boiler worked at approx 850 psi (5.86 MPa), and the low-pressure boiler at 200 to 250 psi (1.38 to 1.72 MPa). The UHP and HP boilers were of a water-tube design, while the LP boiler was a fire-tube boiler typical for steam locomotives. The LP cylinders were driven with a mixture of the HP cylinder exhaust and the LP boiler output.
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A "Scotch" marine boiler (or simply Scotch boiler) is a design of steam boiler best known for its use on ships. Sectional diagram of a "wet back" boiler. The general layout is that of a squat horizontal cylinder. One or more large cylindrical furnaces are in the lower part of the boiler shell. Above this are many small-diameter fire-tubes ...