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

介绍了扰流子空气预热及光扰流子空气预热的设计以及在石油化工厂中的应用。

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

析了盐水预热腐蚀的原因,包括盐水腐蚀、应力腐蚀、杂散电流腐蚀和温差电池腐蚀。