2022/1/10 · In a conventional steam generator such as a package boiler, the exit gas temperature is independent of steam pressure. With say a 230 F feed water temperature, an exit gas temperature of about 300 F can be easily achieved using an economizer as the heat recovery equipment.
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Steam generator provides 280 kg/s of steam at 9 MPa, 500 o C, of which 110 kg/s is extracted between the first and second stages at 1.5 MPa and diverted to a process heating load. Condensate returns from the process heating load at 1 MPa, 120 o C and is mixed with the liquid exiting the lower pressure pump at 1 MPa.
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Combined-cycle power plants ( Fig. 2.3) are compound gas turbine–steam turbine systems wherein the extreme hot exhaust from a gas turbine is employed to run a boiler, and the steam thus produced is fed into a steam turbine to generate power. These plants can deliver high power output at efficiencies as high as 50%–60% with low emissions and
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2017/12/17 · A steam plant operates with an initial pressure of 1.7 MPa and 370oC temperature and exhaust to a heating system at 0.17 MPa. The condensate from the heating system is returned to the boiler at 65.5oC and the heating system utilizes from its intended purpose 90% of the energy transferred from the steam it receives.
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2022/1/10 · In a conventional steam generator such as a package boiler, the exit gas temperature is independent of steam pressure. With say a 230 F feed water temperature, an exit gas temperature of about 300 F can be easily achieved using an economizer as the heat recovery equipment.
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2015/3/17 · Steam, Boiler, and Blowdown Pressure are the same. Combustion Efficiency is the % of fuel energy that is directly added to the feedwater and not otherwise lost or used. Blowdown Rate is the % of incoming feedwater mass flow rate that leaves the boiler as a saturated liquid at boiler pressure.
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Wet Steam vs. Dry Steam: The Importance of the Steam
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