Scotch boiler | Article about scotch boiler by The Free Dictionary
scotch boiler[′skäch ′bȯil·ər]
A fire-tube boiler with one or more cylindrical internal furnaces enveloped by a boiler shell equipped with five tubes in its upper part; heat is transferred to water partly in the furnace area and partly in passage of hot gases through the tubes. Also known as dry-back boiler; scotch marine boiler (marine usage).
References in periodicals archive
The engineroom looks like a miniaturised version of Titanic's (which had similar machinery), with its Scotch boiler
, three furnaces and bunkers for 21 tons of coal.
In early January 1904, while steaming off Hobart, one of the Walleroo's four 155 psi Scotch boilers
experienced a furnace collapse and subsequent explosion that killed stokers Hall, Ellis, Moore and Cleal.