Title :
Influence of coal grade on the technical and economical efficiency of CFB-units
Author :
Russkikh, E.E. ; Nozdrenko, G.V.
Author_Institution :
JSC "SibCOTES", Novosibirsk
Abstract :
The present status of the circulating fluidized bed technology combustion (CFB-technology) is commercially viable. CFB-boilers represent an advanced stage of development and have competitive advantages compared with the conventional pulverized-coal (PC) type of boilers.However, CFB-boilers are quite expensive as compared to the conventional PC-boilers, and for high-quality fuels CFB-technology does not always have certain benefits. The paper assesses technical and economical efficiency range for CFB- technology usage. The paper also provides assessment of optimal thermodynamic parameters of CFB-units depending on fuel. Influence of multivariable interactions of thermodynamic, technical, design and infrastructure restrictions are considered as well.
Keywords :
boilers; coal; fluidised beds; pulverised fuels; steam power stations; CFB-units; circulating fluidized bed technology combustion; coal grade; conventional pulverized-coal type boiler; optimal thermodynamic parameters; Aggregates; Boilers; Combustion; Cost function; Fuel economy; Lagrangian functions; Mathematical model; Power generation economics; Thermodynamics; Turbines;
Conference_Titel :
Strategic Technology, 2007. IFOST 2007. International Forum on
Conference_Location :
Ulaanbaatar
Print_ISBN :
978-1-4244-3589-0
Electronic_ISBN :
978-1-4244-1831-2
DOI :
10.1109/IFOST.2007.4798611
