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切向燃烧锅炉炉膛结渣问题的研究

A PROCEEDINGS OF THE CHINESE SOCIETY FOR ELECTRICAL ENGINEERING(2005)

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Abstract
针对一台130t/h切向燃烧锅炉炉膛出现的结渣问题,提出一种可以消除结渣的燃烧器结构和燃烧器配风方式.数值计算结果表明,改造后的燃烧器,锅炉炉内实际切圆直径减小,炉膛温度水平降低,上二次风喷口附近水冷壁壁面O2浓度增加,都有利于抑制和消除炉膛的结渣.改造后的炉膛结渣基本消除,锅炉高负荷运行稳定性提高,数值计算结果与现场实测数据基本吻合.
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