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  2. Water-tube boiler - Wikipedia

    en.wikipedia.org/wiki/Water-tube_boiler

    Water-tube boiler. A high pressure watertube boiler [1] (also spelled water-tube and water tube) is a type of boiler in which water circulates in tubes heated externally by fire. Fuel is burned inside the furnace, creating hot gas which boils water in the steam-generating tubes. In smaller boilers, additional generating tubes are separate in ...

  3. Stirling boiler - Wikipedia

    en.wikipedia.org/wiki/Stirling_boiler

    The brick-built setting was replaced with a box-like steel housing, lined with firebrick. The water-tube diameter was reduced to between 2 and 2 + 1 ⁄ 2 inches (50.8 and 63.5 mm). To avoid problems with the water levels shifting as the ship rolls, the water drums were arranged crosswise to the hull and provided with internal baffles. References

  4. Shell-and-tube heat exchanger - Wikipedia

    en.wikipedia.org/wiki/Shell-and-tube_heat_exchanger

    A shell-and-tube heat exchanger is a class of heat exchanger designs. [1] [2] It is the most common type of heat exchanger in oil refineries and other large chemical processes, and is suited for higher-pressure applications. As its name implies, this type of heat exchanger consists of a shell (a large pressure vessel) with a bundle of tubes ...

  5. Spiral watertube boiler - Wikipedia

    en.wikipedia.org/wiki/Spiral_watertube_boiler

    Climax boiler. Spiral water-tube boilers are a family of vertical water-tube boilers. Their steam generating tubes are narrow spiral tubes, arranged in circular fashion around a central vertical water drum. The water tubes are long, numerous and of 2 inches (50 mm) diameter, or smaller.

  6. Field-tube boiler - Wikipedia

    en.wikipedia.org/wiki/Field-tube_boiler

    Field-tube boiler. A Field-tube boiler (also known as a bayonet tube [1] ) is a form of water-tube boiler where the water tubes are single-ended. The tubes are closed at one end, and they contain a concentric inner tube. Flow is thus separated into the colder inner flow down the tube and the heated flow upwards through the outer sleeve.

  7. O-type boiler - Wikipedia

    en.wikipedia.org/wiki/O-type_boiler

    An O-type boiler is a form of water-tube boiler. It is named, like the D-type and A-type boilers , from the approximate shape of its tubes. They are characterised by single steam and water drums vertically above each other, with curved vertical water tubes to the sides forming an overall cylindrical volume.