供暖季节将临 ,供热事故也会相应增加。这些供暖事故通常是由于燃油锅炉的故障而引起的。到场后一般会发现一些异常情况 ,如底层或地下室冒烟 ,说明一套供热装置发生了故障。　　事故种类回火或延迟点火　人们要应付多种燃油锅炉事故 ,其中常见的一种是回火或称为延迟点火。这? The heating season will be approaching, heating accidents will be increased accordingly. These heating accidents are usually caused by the failure of the oil-fired boiler. After the scene will usually find some unusual circumstances, such as smoke on the ground floor or basement, indicating a heating unit has failed. Types of Accidents Tempering or Delay Ignition People have to deal with various types of oil-fired boiler accidents, one of which is tempering or delayed ignition. This?