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Atmospheric Fluidized Bed Combustion Boiler (AFBC boiler) is a type of operational boiler. In a AFBC boiler a little more fluidized bed combustor is added than a conventional shell boiler.
atmospheric fluidized bed combustion
A circulating fluidized bed boiler helps to hold fuels in a solid states in upwards air jets when combustion occurs. This creates a mixture of unstable solids and gasses, which can promote chemical processing.
The boiler in which fluidisation and combustion is done in the bed with the help of (pa,sa&ta)air and ash(un burnt particle) is re-used through cyclone and siphone to the bed is called cfbc boiler.
John E. Mesko has written: 'Multicell fluidized-bed boiler design, construction and test program' -- subject(s): Testing, Boilers, Fluidized-bed furnaces
boiler efficiency is how much water is converting to steam.
No because there isn't any combustion happing inside the boiler the water is heated by an external flame and boils the water.
boiler
ATMOSPHERIC BOILERa boiler on which combustion air/flue gases are drawn through the boiler without a fan.(Taken directly from the Crown Boiler Co. web-site.)
in internal combustion engine combustion happens internally in cylinder and in external combustion engine combustion happens externally in boiler
in internal combustion engine combustion happens internally in cylinder and in external combustion engine combustion happens externally in boiler
Circulating fluidised bed combustion