多台磨断煤导致主汽温速降跳机的事故分析

Analysis of Tripping Accident Caused by the Coal of Several Coal Mills Being Cut Off

介绍了某电厂多台磨煤机长时间、反复断煤致使锅炉炉膛温度降低而导致的机组跳闸事故,阐述了事故过程,分析了事故的主要原因、直接原因和间接原因,同时提出了相应的预防措施,以供同类型电厂参考。

The tripping accident in a power plant is introduced, which is due to the low temperature of boiler chamber temperature caused by the repeated cut off of coal feeding of several coal mills for a long time. The main causes, direct causes and indirect causes of the accident are analyzed. Meanwhile, the corresponding preventive measures are put forward for the reference of similar power plants.