%0 Journal Article
%T Distribution of solids concentration and temperature within combustion chamber of SC-OTU CFB boiler
%A Artur BŁżaszczuk
%A Maciej Komorowski
%A Wojciech Nowak
%J Journal of Power Technologies
%D 2012
%I Warsaw University of Technology
%X One of the main parameters influenced on the heat transfer in the circulating fluidized bed boiler is distribution of bedĄŻs solids concentration within the contour of boilerĄŻs combustion chamber. In this paper analysis of influence of fluidized bedĄŻs solids concentration on the vertical temperature profile in the combustion chamber of SC-OTU CFB boiler is carried out. Investigations were conducted with different loads of generatorĄŻs nominal power i.e. 100%, 80%, 60% and 40%. Solids concentration was specified on the base of pressure measurement within boilerĄŻs combustion chamber using pressure sensors. Pressure measurements were carried out in 11 measuring ports situated on the front wall of combustion chamber. Vertical temperature profile was achieved on the base of temperature measurements at different furnace elevations. Combustion process was carried out with different primary to secondary air ratio and constant excess air coefficient.
%K temperature distribution
%K solids concentration
%K CFB boiler
%K bed pressure
%K unit loads
%U http://www.papers.itc.pw.edu.pl/index.php/JPT/article/view/297/474