The failures of superheater tubes is one of the main problems which puzzled the powerplant all the time, and the occurrence of heat difference is one of the main factors whichcauses it.

• 过热器爆管一直是困扰火力发电厂的常见事故，而热偏差的存在是水平烟道内对流过热器爆管的主要原因之一，所以研究过热器热偏差问题对于锅炉的正常运行具有重要的意义和应用价值。