Thermal Or Steam powerplant
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Transcript of Thermal Or Steam powerplant
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Presented By:ANIKET BIRAJDAR
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INTRODUCTIONIndia is one of the world’s largest consumer of
energyConventional sources: Thermal, Hydro and
Nuclear.Non- conventional: Wind, solar, Geothermal, tidal.Installed capacity – 1,61,352MW
Thermal = 95151.74MWNuclear = 4,120MWHydro = 36877.76MWRES = 13242.41MW
Annual power production – 680 billion KWH
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Break up of PowerThermal Power Plants – 75%Hydro Electric Power Plants - 21%Nuclear Power Plants - 4%Installed wind power Generation – 9655MW30% to 40% of electrical power is lost in
transmission and distribution
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General Layout of Steam Power Plant
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Main CircuitFuel And Ash CircuitAir And Gas CircuitFeed Water And Steam CircuitCooling Water Circuit
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Fuel And Ash CircuitFuel stored and fed to the boiler through
conveyor belts. Broken down into proper shape for complete burning.
Ash thus generated after burning is removed from the boiler through ash handling equipment
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Air And Gas CircuitAir is required for combustion of fuel and is
supplied through fansAir is passed through air preheater to extract
energy from flue gases for proper burning of the fuel
Flue gases have ash and several gases which are passed through the precipitator(dust collector) and go to atmosphere through chimney.
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Feed Water And Steam CircuitSteam Converted to water by condenser.Water is demineralized & hence not wasted to
have better economic operation of the plant.Some part of steam and water is lost while
passing through different parts.Boiler feed pump feeds water into the boiler
drum where it is heated to form steam.Wet steam is again heated in super heater
before passing through the turbineSteam is expanded in the turbine to run it.
After which again it goes to boiler for reheating
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Cooling Water Circuit
To condensate the steam, large quantity of cooling water is required which is taken from river or pondage
After passing through the condenser, it is fed back to the river or Pondage
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Boiler
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Turbine
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Turbine – Full View
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Selection Of siteAvailability of Coal.Ash Dispostur Facillaty.Space Requirment.Nature of Land.Availability of Water.Transport facillaty.Availability of Labour.Distance for Populated Area.Size of Plant.
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