Fuel conversion from oxy-fuel combustion in a circulating fluidized bed |
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| Affiliation: | 1. Department of Heating, Ventilation and Air Protection, Czestochowa University of Technology, Dabrowskigo 73, 42-200 Czestochowa, Poland;2. Department of Energy Engineering, Czestochowa University of Technology, Brzeznicka 60A, 42-200 Czestochowa, Poland;1. Department of Mechanical Engineering, KU Leuven, Celestijnenlaan 300A, B3001 Leuven, Belgium;2. Adinex NV, Brouwerijstraat 5/3, B 2200, Noorderwijk, Belgium;1. Department of Civil and Environmental Engineering, University of Surrey, Guildford, Surrey GU2 7XH, United Kingdom;2. Department of Engineering Science, University of Oxford, Parks Road, Oxford OX1 3PJ, United Kingdom;3. Department of Chemical Engineering, Imperial College London, South Kensington, London SW7 2AZ, United Kingdom;1. School of Materials Science and Engineering, Central South University of Forestry and Technology, Changsha, 410004, China;2. School of Management, Henan University of Technology, Zhengzhou, 450001, China;3. Young Researchers and Elite Club, South Tehran Branch, Islamic Azad University, Tehran, Iran;4. Faculty of Engineering and Technology, Imam Khomeini International University (IKIU), Qazvin, 34148-96818, Iran;5. Department of Mechanical Engineering, University of Zabol, Zabol, Iran |
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| Abstract: | The study of the combustion process carried out in an oxygen-enriched atmosphere in a circulating fluidized bed (CFB) combustor is presented. The experiments were focused on fuel behavior in the conditions of increased oxygen concentration, at a different temperature and a different fuel load in the combustion chamber. The tests were performed in a laboratory-scale CFB combustor. Brown coal was used as the fuel. The values of variable parameters were in the following ranges: the oxygen concentration in the delivered stream of gas substrates (mixtures of O2 + N2 and O2 + CO2): 21 ÷ 60%; the combustor's temperature: 973 ÷ 1133 K; the mass of fuel portions: 4 ÷ 8 g. Based on the obtained data, carbon, sulfur and nitrogen conversion ratios were calculated. |
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