Corrosion reasons of brine preheater were analysed, including brine corrosion, stress corrosion, stray current corrosion and thermocell corrosion.

分析了水预热器的原因,水、应力、杂电流和温差电。

The design of turbulator air preheater with finned tube and that with optic tube as well as its application in petrochemical works were recommended.

介绍了扰流子翅片管空气预热器及光管扰流子空气预热器的设计以及在石油化工厂中的应用情况。