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A typical Cochran boiler, as illustrated, [5] might be 15 feet (4.57 m) high and 7 feet (2.13 m) in diameter, giving a heating surface of 500 square feet (46.45 m 2), and a grate area of 24 square feet (2.23 m 2). Working pressure is between 100 and 125 psi (6.9 and 8.6 bar; 690 and 860 kPa).
These boilers were not common, owing to drawbacks with excessive wear in service. The more common form of vertical boiler, [2] which was very similar in external appearance, instead used a single flue and water-filled cross-tubes. Another form used horizontal fire-tubes, even where this added complexity, such as the Cochran boiler.
Detail of vertical boiler and associated steam engine in a working model steam launch Taffy a replica of Chaloner, a de Winton vertical-boilered narrow gauge railway locomotive A vertical boiler is a type of fire-tube or water-tube boiler where the boiler barrel is oriented vertically instead of the more common horizontal orientation.
The fire-tube boiler developed as the third of the four major historical types of boilers: low-pressure tank or "haystack" boilers, flued boilers with one or two large flues, fire-tube boilers with many small tubes, and high-pressure water-tube boilers. Their advantage over flued boilers with a single large flue is that the many small tubes ...
Donkey boilers were also used by the last sailing ships for working winches and anchor capstans. See also auxiliary boiler. du Temple boiler: An early naval water-tube boiler, patented in 1876. [6] [9] [20] Dublin "economic" boiler: a vertical multitubular return fire-tube design, for model engineering-scale uses. [21]
A boiler is a closed vessel in which fluid (generally water) is heated.The fluid does not necessarily boil.The heated or vaporized fluid exits the boiler for use in various processes or heating applications, [1] [page needed] [2] [page needed] including water heating, central heating, boiler-based power generation, cooking, and sanitation.
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The boiler in front is a partially dismantled Sentinel A steam motor is a form of steam engine used for light locomotives and light self-propelled motor cars used on railways. [ 1 ] The origins of steam motor cars for railways go back to at least the 1850s, if not earlier, as experimental economizations for railways or railroads with marginal ...
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