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The CO2 absorption in the bubble column using ammonia solution has been proved a viable approach for the post-combustion CO2 capture, so it is of benefit to the energy saving of CO2 absorption and the bubble column design to clarify the impacts of the geometry and running parameters on the mass transfer and energy consumption of CO2 capture. Based on the representative elementary volume method, a...
There are two configuration modes of the FGD booster fan in thermal power plants. One is to install booster fan behind induced draft fan, called the separation mode; the other is to integrate the two kinds of fans, that is to cut off booster fan, but install a bigger induced draft fan which can support the pressure head for the whole system, called the integration mode. Through detailed analysis,...
Thermal performance of a hybrid space-cooling system with night ventilation and thermal storage using shape-stabilized phase change material (SSPCM) is investigated numerically. A south-facing room of an office building in Beijing is analyzed, which includes SSPCM plates as the inner linings of walls and the ceiling. Natural cool energy is charged to SSPCM plates by night ventilation with air change...
Significant progress has been made in energy conservation and consumption reduction since the 11th Five-year Plan. 600MW-class thermal power units have become the main force in China's power mix. It is crucial to study the energy-saving potential, improve the economic operation and overall competitiveness of 600MW power units. Taking a 600MW power unit of certain power corporation for instance, the...
This paper analyzed the energy consumption characteristics of typical limestone-gypsum wet flue gas desulfurization (FGD) system which is widely used in power plant for SOx removal, and discussed its optimal operation. In the FGD system, booster fan; circulating slurry pump and oxidation fan are three major energy consuming devices. We established the mathematical models to disclose the relationship...
Taking the performance evaluation of power systems as core, a new energy-saving management mode was proposed based on the routine and special evaluation for economic operation and energy-saving management of related systems and equipment. The technical reconstruction, maintenance, S&T planning and projects were proposed by means of current energy-consuming standard, identification and prediction...
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