Oil in Boilers.

Auckland Star, Volume XXIII, Issue 102, 30 April 1892, Page 3 (Supplement)

Oil in Boilers.

Whether oil will produce injury to a. boiler, explains The Stationary Engineer, depends altogether on its nature, as some* oils are so light as to be readily vaporized - , by the heat, while others being more dense and having a glutinous nature, combined with sediment, scale and other foreign matter, producing a dense mass of low heat conductivi fey which will settle to the bottom. of the boiler, preventing contact of the water therewith, which will soon result ia, the formation of a blister on the sheet. This is practically the case in tubular boiiers, and to a large extent in the shape of the crovra sheet type. In view of these facts it is considered good engineering to keep all oils of an animal or vegetable nature as far from the interior of the boiler as possible, but as no such injurious effects have beta reported from the use of mineral oils, these', do not seem to be so objectionable, for good results have often been obtained in the way, of preventing the adherence of scale by the introduction of mineral oils into the boiler.