机组启动调试期间空气预热器着火事故的预防及处理

Prevention and Treatment Measures for Fire Accident of Air Preheater during Unit Commissioning

本文分析了空气预热器着火的原因,针对不同类型的点火方式提出了调试期间启动、运行、停机等阶段预防此类事故的措施和火灾报警系统改进的建议,给出了处理着火事故的方案。

The paper analyzes the causes of fire of air preheater during unit commissioning.According to the different boiler ignition method,the precautionary measures and system modification suggestions are given for unit startup,running and shutdown etc.The relevant solutions are put forward at the end.