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Vertical boiler with horizontal fire-tubes : ウィキペディア英語版 | Vertical boiler with horizontal fire-tubes
A vertical boiler with horizontal fire-tubes is a type of small vertical boiler, used to generate steam for small machinery. It is characterised by having many narrow fire-tubes, running horizontally. Boilers like this have been widely used on ships as either ''auxiliary'' or ''donkey'' boilers.〔An ''auxiliary'' boiler supplies steam that is not used for main propulsion, but is necessary for some part of the essential propulsion machinery. A ''donkey'' boiler is used, often when in port, to supply non-essential steam for 'hotel' services such as heating or lighting. Milton, Marine Steam Boilers〕 Smaller examples, particularly the Robertson type have been used for steam wagons. == Parallel tube boilers == Parallel tube boilers place all of their fire-tubes in a single parallel group, running from side to side of the boiler shell. The best known of these is the Cochran design.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Vertical boiler with horizontal fire-tubes」の詳細全文を読む
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