Combustion characteristics and scaling of supercritical CO2 circulating fluidized bed boiler
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Owing to advantages such as compact components, high cycle efficiency and environmentally friendly, supercritical CO2 power cycle has great potential to be integrated into conventional coal-fired power generation systems. In order to successfully implement this cycle into coal-fired Circulating Fluidized Bed (CFB) technology, several phenomena require further elucidation, such as the significant increase in furnace heating surfaces as well as the detailed gas-solid hydrodynamics and combustion characteristics. In attempt to achieve the above, this thesis (1) established a 600 MW S-CO2 CFB boiler with novel annular furnace; (2) conducted a 3D computational fluid dynamics simulation research on its comprehensive performance based on the MP-PIC scheme; and (3) summarized scale-up characteristics of S-CO2 CFB boiler.
