Alobaid, Falah ; Kuhn, Alexander ; Vakkilainen, Esa ; Epple, Bernd (2024)
Recent progress in the operational flexibility of 1 MW circulating fluidized bed combustion.
In: Energy, 306
doi: 10.1016/j.energy.2024.132287
Artikel, Bibliographie
Kurzbeschreibung (Abstract)
In this study, various experimental tests were carried out with a 1 MWth circulating fluidized bed pilot plant at the Technical University of Darmstadt to investigate the combustion and co-combustion behaviour of different fuels under load change conditions in air and oxyfuel mode. The combustion tests were carried out with low-calorific lignite and hard coal as reference cases for co-combustion. In the co-combustion experimental tests, straw pellets, and refuse-derived fuels (high and low calorific) were used as co-fuels for coal. In addition, a comprehensive dynamic 1.5-D process simulation model was established for a 1 MWth circulating fluidized bed pilot plant. The model created with the “APROS” software precisely reproduces both the gas/solids and the water/steam side of the 1 MWth pilot plant. The dynamic process simulation model was first validated at various steady-state operation points and, in a second step, at various dynamic load changes. The numerical results, such as the pressure drop and temperature profiles along the fluidized bed riser as well as the flue gas concentrations at the cyclone outlet, were compared with the measurements and showed agreement during the long-term tests of the combustion and co-combustion processes.
Typ des Eintrags: | Artikel |
---|---|
Erschienen: | 2024 |
Autor(en): | Alobaid, Falah ; Kuhn, Alexander ; Vakkilainen, Esa ; Epple, Bernd |
Art des Eintrags: | Bibliographie |
Titel: | Recent progress in the operational flexibility of 1 MW circulating fluidized bed combustion |
Sprache: | Englisch |
Publikationsjahr: | 15 Oktober 2024 |
Ort: | Amsterdam |
Verlag: | Elsevier |
Titel der Zeitschrift, Zeitung oder Schriftenreihe: | Energy |
Jahrgang/Volume einer Zeitschrift: | 306 |
Kollation: | 18 Seiten |
DOI: | 10.1016/j.energy.2024.132287 |
URL / URN: | https://www.sciencedirect.com/science/article/pii/S036054422... |
Kurzbeschreibung (Abstract): | In this study, various experimental tests were carried out with a 1 MWth circulating fluidized bed pilot plant at the Technical University of Darmstadt to investigate the combustion and co-combustion behaviour of different fuels under load change conditions in air and oxyfuel mode. The combustion tests were carried out with low-calorific lignite and hard coal as reference cases for co-combustion. In the co-combustion experimental tests, straw pellets, and refuse-derived fuels (high and low calorific) were used as co-fuels for coal. In addition, a comprehensive dynamic 1.5-D process simulation model was established for a 1 MWth circulating fluidized bed pilot plant. The model created with the “APROS” software precisely reproduces both the gas/solids and the water/steam side of the 1 MWth pilot plant. The dynamic process simulation model was first validated at various steady-state operation points and, in a second step, at various dynamic load changes. The numerical results, such as the pressure drop and temperature profiles along the fluidized bed riser as well as the flue gas concentrations at the cyclone outlet, were compared with the measurements and showed agreement during the long-term tests of the combustion and co-combustion processes. |
Freie Schlagworte: | 1 MWth circulating fluidized bed pilot plant, Mono-combustion, Co-combustion, Air and oxyfuel combustion, Dynamic simulation, Validation study |
Fachbereich(e)/-gebiet(e): | 16 Fachbereich Maschinenbau 16 Fachbereich Maschinenbau > Institut für Energiesysteme und Energietechnik (EST) 16 Fachbereich Maschinenbau > Institut für Energiesysteme und Energietechnik (EST) > Untersuchungen zur CO₂-Abscheidung |
Hinterlegungsdatum: | 18 Jul 2024 11:47 |
Letzte Änderung: | 18 Jul 2024 11:47 |
PPN: | 519993993 |
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