In Fluidized Bed Combustion Boiler technology When air or gas is passed through an inert bed of solid particles such as sand supported on a fine mesh or grid, the air initially will seek a path of least resistance and pass upward through the sand.
This post is part of the series: Circulating Fluidized Bed Boiler In the olden days blacksmiths used to heat the iron by placing it on a bed of coal. Bellows provide air to the coal from the bottom of the bed. Fluidized Bed combustion is something similar to this.
Another type is the Circulating Fluidized Bed Combustion ; it is applied to fuels with higher heating values such as Petcoke. In this, the unburned fuel is fed again to the furnace with the help of a Forced Draught fan and ducts, ensuring enhanced combustion and higher heating and provides excellent fuel flexibility.
OverviewOur circulating fluidized bed boilers are made of materials that are well-tested for pressure parts and have many years of onsite experience Multiple fuel feeders and ash extraction ports Standardized modules that allow changing outputs, fuels, and steam temperatures Relatively low and uniform furnace temperatures of approximately 850°C to 900°C
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