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带排烟余热回收的CFB锅炉节能分析

Journal of Engineering for Thermal Energy and Power(2013)

Cited 24|Views1
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Abstract
采用分离式热管空气预热器回收低温烟气余热的CFB锅炉系统(简称RGCFB),建立了烟风阻力、风机电耗和净效率模型。并以京玉电厂1号CFB锅炉的运行参数为基础,对CFB锅炉和RGCFB锅炉进行了4种工况的热效率和净效率对比分析。结果表明:RGCFB锅炉较CFB锅炉热效率提高了1.28~2.23个百分点,净效率提高0.51~1.18个百分点。最后分析了影响RGCFB锅炉净效率的因素,指出了以净效率作为锅炉运行的评价指标,可有效指导锅炉的经济运行。
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Key words
influencing factor,theoretical model,CFB boiler,exhaust gas waste heat recovery,net efficiency
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