13. Analysis of the combustion process of coal slurry pellets in a circulating fluidized bed

Analiza procesu spalania peletów z mułu węglowego w cyrkulacyjnej warstwie fluidalnej
 Damian Richter, Agnieszka Kijo-Kleczkowska, Monika Kosowska-Golachowska, Krzysztof Wolski
coal slurry, alternative fuels, waste coal, pellets, combustion, CFB
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The paper presents the results of experimental studies constituting a comparative analysis of the combustion of coal slurry, brown coal, hard coal and biomass in the form of pellets. The study was conducted using a test stand with a circulating fluidized bed (CFB) with a capacity of 12 kW. The analysis included, among other parameters, the total combustion time, the maximum temperature on the surface of the fuel, the ignition time, the time of volatiles combustion and the time of the burning of char. The general conclusion based on experimental studies is that coal slurry pellets, due to its characteristics and behaviour during the combustion process in a circulating fluidized bed, can be a valuable energy source.