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

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