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Reform of Bolier Combustion Systems in 125MW Unit
Author(s): 
Pages: 25-27
Year: Issue:  6
Journal: GUANGXI ELE CTRIC POWER

Keyword:  420t/h锅炉稳燃腔燃烧器低负荷稳燃技术改造;
Abstract: 针对来宾电厂420 t/h锅炉运行中低负荷稳燃性能差,锅炉效率不高,经采用高煤粉浓度、高温烟气和高的气流扰动为特点的新型浓淡稳燃腔燃烧器,并采取合理设计一、二次风比例、调整切圆直径、反切、重新设计卫燃带等一系列综合措施,对锅炉燃烧系统进行了改造,改造后锅炉能达到长时间低负荷不投油运行,飞灰含碳量由改造前12%降低至6.5 %,锅炉效率显著提高,统计可年节约煤3×104 t左右.
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