Abstract
In recent years, with the improvement of the capacity and parameters of domestic CFB boiler units and the potential of technology from design, operation adjustment and equipment transformation, the CFB technology has been relatively mature, and economic indicators are significantly improved. The successful application of new technologies in project provides good conditions for the development of selection optimization technology of air fan. Combined with the application and project practice of the energy-saving technology of air fan for supercritical CFB boiler in service, the energy distribution of air fan after design and energy-saving transformation is quantitatively analyzed through the experiment. Based on this, the energy-saving technology of air fan is researched. From the low bed pressure design, selection optimization of air fan parameter and frequency conversion energy-saving, the selection optimization technology of air fan for ultra-supercritical CFB boiler is proposed, which provides a technical basis for the lower energy consumption technology of ultra-supercritical CFB boiler design in the future.
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