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A package boiler is a factory-made boiler. Package boilers are available in a range of standard designs. Package boilers are used for heating and act as a steam generator for small power purposes such as self-powered industrial plants. Package boilers are low pressure designs. A low pressure means low temperature water in the heat exchanger.
Boiler steam drum. Three drum/four drum boilers – are the veterans of the normal day boilers, although they are still used in some industries. Bi drum boiler – are used for power generation and steam generation both. For power generation they are used now seldom and are replaced by single drum boilers as the bi drum boilers are non-reheat ...
An O-type boiler is a form of water-tube boiler. It is named, like the D-type and A-type boilers , from the approximate shape of its tubes. They are characterised by single steam and water drums vertically above each other, with curved vertical water tubes to the sides forming an overall cylindrical volume.
There is a prominent steam drum above the boiler barrel, making it resemble a Flaman boiler. [12] [13] Brotan-Deffner boiler: a variant of the Brotan boiler. The steam drum was shortened and placed behind the boiler barrel, giving a much more conventional silhouette. Around a thousand of these were used in Hungary. [12] [13]
It has two water/steam drums. The low-pressure drum is connected to the low-pressure economizer or evaporator. The low-pressure steam is generated in the low temperature zone of the turbine exhaust gasses. The low-pressure steam is supplied to the low-temperature turbine. A super heater can be provided in the low-pressure circuit.
They can use a gas turbine to produce high-reliability electricity for campus use. The HRSG can recover the heat from the gas turbine to produce steam/hot water for district heating or cooling. [1] Large ocean vessels (e.g., Emma Maersk) make use of heat recovery so that their oil-fired boilers can be shut down while underway. [1]
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