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A convection superheater is located in the convective zone of the furnace, in the path of the hot flue gases, usually ahead of an economizer. A convection superheater is also called a primary superheater. A separately fired superheater is a superheater that is placed outside the main boiler and has its own separate combustion system.
The Locomotive Superheater Company was founded in 1910 to further the use of superheated steam in locomotives. The Superheater Company's primary manufacturing facility was located in East Chicago, Indiana. In December 1948 stockholders approved a merger between the Combustion Engineering Company and Superheater Company.
The oil burner nozzle is usually mounted in the front of the firebox, protected by a hood of firebrick, and aimed at the firebrick wall below the firebox door. Dampers control air flow to the oil fire. Schematic of a later steam locomotive firebox boiler, with firebox to the left and indicatively showing two superheater elements to the right.
Superheated steam was widely used in main line steam locomotives. Saturated steam has three main disadvantages in a steam engine: it contains small droplets of water which have to be periodically drained from the cylinders; being precisely at the boiling point of water for the boiler pressure in use, it inevitably condenses to some extent in the steam pipes and cylinders outside the boiler ...
Mechanical lubricators had the advantage that the rate of oil-feed was always proportional to the speed of the engine. This type of oil-feed was later superseded for the sight-feed lubricator. [2] The engines were fitted with the Flaman speed recorder, of which the driving gear was connected to the right trailing crank pin. The records obtained ...
HRSGs consist of four major components: the economizer, evaporator, superheater and water preheater [clarification needed]. The different components are put together to meet the operating requirements of the unit. See the attached illustration of a Modular HRSG General Arrangement.
Superheater Provides additional heat – as much as 300 °F (167 °C) hotter – to steam that has been generated in the boiler by sending it back through superheat tubes located in the boiler tubes (28), thus increasing engine efficiency and power. [2] [8] [3]: 78 See also Superheater tubes (30). Smokestack (US+) Chimney, Funnel (UK+)
Motor oil, engine oil, or engine lubricant is any one of various substances used for the lubrication of internal combustion engines. They typically consist of base oils enhanced with various additives, particularly antiwear additives , detergents, dispersants , and, for multi-grade oils, viscosity index improvers .
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