摘要
通过对哈三电厂容克式回转式空气预热器吹灰器基本情况的介绍，提出改造的原因及现场三次改造的具体情况，特别强调回转式空气预热器吹灰系统的设计和选择是防止预热器着火的有效措施之一。
Through introduction of ash blower of slewing air preheater of Harbin No.3 Power Plant, the causes for improvement and physical conditions are presented, the design and selection of ash blower system of slewing air preheater are emphasized specially, which is the effective preventive link to preheater ignition.
