In the light of the problem that the blast furnace gas cannot properly com-bust due to frequent clogging of gas burners by dust deposit during operation of gas boilers, technical measures to solve the clogging problem were put forward through analysis of gas characteristics and the burner structure and property. Technical modification was carried out, which successfully solved the problem.%根据燃气锅炉运行中高炉煤气燃烧器经常积灰堵塞导致煤气无法正常燃用的现状，通过对煤气特点和燃烧器结构性能进行分析，提出了解决堵塞问题的技术措施并实施技术改造，成功解决了堵塞问题。
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