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WETBACK BOILER [1 record]

Record 1 2000-05-25

English

Subject field(s)
  • Ovens, Furnaces and Boilers (Heating)
  • Outfitting of Ships
DEF

A horizontal, fire tube boiler consisting of a cylindrical steel shell with 1 or more cylindrical, internal combustion chambers located(generally) in the lower portion, and with a bank or banks(passes) of tubes attached to both end closures. The combustion chamber(s) and tubes are completely surrounded by water. A Scotch boiler is described by the number of passes, and whether it is a dryback boiler(for stationary service) or a wetback boiler(for marine or stationary service).

CONT

The Scotch marine boiler is a fire-tube boiler return tubular unit. It consists of a cylindrical shell containing the firebox and tubes. The tubes surround the upper portion of the firebox and are rolled into tube sheets on each end of the boiler. Combustion gases pass to the rear of the furnace, returning through the tubes to the front, where they are discharged to the stack.

CONT

Some Scotch boilers are fired from both ends; consequently they are called "double-ended Scotch boilers".

French

Domaine(s)
  • Fours et chaudières (Chauffage)
  • Armement et gréement
CONT

Chaudière. Appareil destiné à produire de la vapeur utilisée par les machines (machine alternative, turbine) [...] Elles sont à flamme directe (type locomotive [...]) ou à retour de flamme (type souvent appelé chaudière écossaise ou scotch).

CONT

Chaudière cylindrique «dite chaudière écossaise» [...] Pour bateaux +/- 1,20m.

Key term(s)
  • chaudière à retour de flammes

Spanish

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