Development of a pressurized fluidized-bed combustor model
A simple pressurized fluidized bed combustion model is developed for computer simulation taking into account the following elements: devolatilization of coal and the subsequent combustion of volatiles and residual char; sulfur dioxide capture by limestone; attrition and elutriation of char and limestone; bubble hydrodynamics for computing emulsion phase oxygen concentration; and overall heat and mass balances. Empirical correlations are developed for devolatilization, SO/sub 2/ retention efficiency, elutriation and NO/sub x/ emissions. The model is able to simulate most of the important performance characteristics. The package program is developed and has been tested with various operating conditions. Input to and output from the computer program are presented. Also given are a flowchart and program listing and a manual for use. (LEW)
- Research Organization:
- West Virginia Univ., Morgantown (USA)
- DOE Contract Number:
- AT21-79MC12233
- OSTI ID:
- 5690913
- Report Number(s):
- DOE/MC/12233-T1; ON: DE83017915
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
421000* -- Engineering-- Combustion Systems
CARBONACEOUS MATERIALS
CARBONATE ROCKS
CHALCOGENIDES
CHEMICAL REACTIONS
COAL
COMBUSTION
COMPUTER CODES
CORRELATIONS
DESULFURIZATION
DEVOLATILIZATION
EFFICIENCY
ELUTRIATION
ENERGY SOURCES
FLUIDIZED-BED COMBUSTION
FOSSIL FUELS
FUELS
GASEOUS WASTES
LIMESTONE
MATERIALS
NITROGEN COMPOUNDS
NITROGEN OXIDES
OXIDATION
OXIDES
OXYGEN COMPOUNDS
ROCKS
SEDIMENTARY ROCKS
SEPARATION PROCESSES
THERMOCHEMICAL PROCESSES
WASTES