The low-pressure steam is passed into the system through the sparger present at the bottom of the vessel. The corrosion caused to the boiler can be highly reduced. The temperature of the preheated steam used in the deaerator should also be kept in check.
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Steam boilers produce steam that flows through pipes from areas of high pressure to areas of low pressure, unaided by an external energy source such as a pump. Steam utilized for heating can be directly utilized by steam using equipment or can provide heat through a heat exchanger that supplies hot water to the equipment.
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2018/12/1 · The optimum design pressure for the high-pressure level of the steam generator was found to be 100 bar, while that for the low-pressure level was found to be 10 bar. An exergy analysis was performed for the different processes and components of the steam cycle, including the HRSG.
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Heat recovery steam generator is a high-efficiency steam boiler that uses hot gases from a gas turbine for reciprocating engine to generate steam in a thermodynamic Rankine Cycle. This system is able to generate steam at different pressure levels according to …
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In addition, low-pressure operation results in a higher vapor velocity which, when combined with the high turbulence of low-pressure operation, tends to carry water droplets into the steam systems rather than allowing them to fall out by gravity.
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Trevithick was the first to successfully use high-pressure steam (then known as "strong" steam). Until ca. 1800, the weakness of existing boilers coupled with the influence of James Watt had generally restricted steam boilers to very low pressures or "weak" steam.
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