Boiler: Difference between revisions
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Boiler is a large cylindrical water tank onboard a steam locomotive. It has a cluster of tubes going through it, connecting the firebox at the back with the smokebox at the front. Hot air and smoke from the firebox go through these tubes, heating up the water inside the boiler, eventually causing it to evaporate to steam. Being a compressible gas in a pressurized chamber, steam accumulates in the boiler, increasing the pressure. The boiling point temperature of water depends on the amount of pressure in the boiler. The higher the pressure, the higher the boiling point. As the steam in the boiler cools down, it will condense back into water. | Boiler is a large cylindrical {{pll|Water Storage|water tank}} onboard a {{pll|Steam Overview|steam}} {{pll|Rail Vehicle Types|locomotive}}. It has a cluster of tubes going through it, connecting the {{pll|Firebox|firebox}} at the back with the {{pll|Steam Overview|smokebox}} at the front. Hot air and smoke from the firebox go through these tubes, heating up the water inside the boiler, eventually causing it to evaporate to steam. Being a compressible gas in a pressurized chamber, steam accumulates in the boiler, increasing the pressure. The boiling point temperature of water depends on the amount of pressure in the boiler. The higher the pressure, the higher the boiling point. As the steam in the boiler cools down, it will condense back into water. | ||
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Most steam engines have a safety valve that will release excess steam in case the boiler is overpressurized. It is advised to have just as much pressure in the boiler as needed to operate the engine, and not more, as the excess leads to wasting fuel. | Most steam engines have a safety valve that will release excess steam in case the boiler is overpressurized. It is advised to have just as much pressure in the boiler as needed to operate the engine, and not more, as the excess leads to {{pll|Driving Efficiency|wasting fuel}}. | ||
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{{See also|Water Storage|Injector|Servicing|Driving Efficiency}} | {{See also|Water Storage|Injector|Servicing Overview|Driving Efficiency}} | ||
[[Category:Water Management|2]] | [[Category:Water Management|2]] | ||
Revision as of 12:25, 11 March 2025
Boiler is a large cylindrical water tank onboard a steam locomotive. It has a cluster of tubes going through it, connecting the firebox at the back with the smokebox at the front. Hot air and smoke from the firebox go through these tubes, heating up the water inside the boiler, eventually causing it to evaporate to steam. Being a compressible gas in a pressurized chamber, steam accumulates in the boiler, increasing the pressure. The boiling point temperature of water depends on the amount of pressure in the boiler. The higher the pressure, the higher the boiling point. As the steam in the boiler cools down, it will condense back into water.
Most steam engines have a safety valve that will release excess steam in case the boiler is overpressurized. It is advised to have just as much pressure in the boiler as needed to operate the engine, and not more, as the excess leads to wasting fuel.
See also: Water Storage, Injector, Servicing Overview, Driving Efficiency