The shallow atmospheric coal fired fluidized-bed combustor furnace
[Not copying properly] The fluidized bed combustor furnace is considered as being made up of two zones, the fluidized bed itself and an upper free-board zone for the disengagement of ejected particles and in which further combustion may take. place simultaneously with the radiative transfer of heat to the surrounding walls. A general review of the literature pertaining to the combustion of coal in a fluidized bed of inert. particles as well as the transfer of heat from the fluidized bed to immersed cooling surfaces is presented. In view of the fluidized bed furnace incorporating the freeboard region, a review of furnace design methods is also presented. The status of research and development in various parts of the world •is considered with particular reference to the generation of steam by means of the combustion of coal in an atmospheric fluidized bed combustion unit.
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