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If the engine burns solid fuel, like wood or coal, there is a grate covering most of the bottom of the firebox to hold the fire. An ashpan, mounted underneath the firebox and below the grates, catches and collects hot embers, ashes, and other solid combustion waste as it falls through the grates.
Vessels typically contained several engines for different purposes. Main, or propulsion engines are used to turn the ship's propeller and move the ship through the water. . The fire room got its name from the days when ships burned coal to heat steam to drive the steam engines or turbines; the room was where the stokers spent their days shoveling coal continuously onto the grates under the ...
This used a system of paddles to push coal forward and it was fed into the firebox at grate level. [5] The Street type, consisted of a coal crusher, hand-fed by the fireman, that was fitted to the front left hand side of the tender footplate and driven by a small steam engine mounted behind the hand brake column. The crushed coal then fell by ...
Heywood-designed Ursula at the Perrygrove Railway, showing the limited grate and ashpan size. A limitation of this design for steam locomotives was the need to fit fire, grate and ashpan all within the confined circular furnace tube. This limited the radiative heating surface of the furnace, and thus the immediate steam-raising power of the boiler.
It is standard equipment on large stationary boilers and was also fitted to large steam locomotives to ease the burden of the fireman. The locomotive type has a screw conveyor (driven by an auxiliary steam engine) which feeds the coal into the firebox. The coal is then distributed across the grate by steam jets, controlled by the fireman.
Because the fire-flume boiler itself is the pressure vessel, it requires a number of safety features to prevent mechanical failure. Boiler steam explosions, which are a type of BLEVE (Boiling Liquid Expanding Vapor Explosion), can be devastating. Safety valves release steam before a dangerous pressure can be built up
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related to: steam engine fire grates- 4740 Poth Road, Whitehall, OH · Directions · (877) 884-4653
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