ash handling systen in a power plant
TRANSCRIPT
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Fly Ash Handling System
in a powerplant (500MW)
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Content
Classification of AshBottom Ash
Fly Ash
Wet System Dry System
Vacuum Pump
TACAsh Silo
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April 27, 2012 3
WHAT IS ASH?
Ash is the residue remaining after the coal has been
incinerated to constant weight under standardconditions.Ash is oxidised form of the mineral matters
present in coal.Typical ash composition : SiO2, Al2O3, Fe2O3,
CaO, MgO etc.
Coal with more SiO2 & Al2O3, Ash MP > 1400C
Coal with more Fe2O3, CaO & MgO, Ash MP