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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 ...
Babcock-Johnson boiler: early production Johnson boilers operating at high pressures (850 psi [59 bar; 5,900 kPa]) and with water-wall ends to their furnace. [4] Babcock & Wilcox boiler; Babcock & Wilcox marine boiler; Bagnall boiler: a development of the launch boiler, with an enlarged furnace. Also known in agricultural use as the 'colonial ...
She was powered by a 2,200-horsepower (1,600 kW) quadruple expansion steam engine and fueled by two coal-fired Scotch marine boilers. [1] In 1913 the H.P. Bope was transferred to the Lackawanna Steamship Company of Cleveland, Ohio. Later that year the fleet was renamed Interlake Steamship Company. In 1916 the H.P. Bope was renamed E.A.S. Clarke.
This firebox has an open base to provide a large grate area and often extends beyond the cylindrical barrel to form a rectangular or tapered enclosure. The horizontal fire-tube boiler is also typical of marine applications, using the Scotch boiler; thus, these boilers are commonly referred to as "scotch-marine" or "marine" type boilers. [2]
The boiler has similarities with both the locomotive boiler (the multiple small fire-tubes), and the Scotch marine boiler (the short cylindrical furnace). As a fire-tube boiler it has generous heating area and so is an effective steamer. Firebox construction is also simpler, thus cheaper, than for the locomotive firebox.
Scotch marine boiler; T. Thornycroft boiler; Three-drum boiler; W. White-Forster boiler; Y. Yarrow boiler This page was last edited on 24 September 2013, at 20:13 ...
Built in 1902 by the Racine Boat Works for Chicago banker John J. Mitchell, it is an elegant vessel now in passenger excursion service. Originally utilizing a coal-fired boiler, it has been extensively upgraded to a more efficient and environment-friendly diesel-fired Scotch marine boiler, powering a two-cylinder double expansion steam engine.
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