在日常的热水锅炉内部腐蚀防护方面，我们往往将防护工作的重点放在锅炉的运行期，忽略了锅炉停炉期内部腐蚀问题，殊不知热水锅炉停炉期内部腐蚀问题也相当严重。１　热水锅炉停炉期内部腐蚀防护的方法１．１　干式防护法　　干式防护法就是使锅炉内部金属表面保持干燥，防止 In the daily hot water boiler internal corrosion protection, we tend to focus on the protection of the boiler operation period, ignoring the boiler during the shutdown of internal corrosion problems, do not know the hot water boiler shutdown period of internal corrosion problems are quite serious. A hot water boiler shutdown period of the internal corrosion protection methods 1.1 dry protection method Dry protection method is to keep the internal metal surface of the boiler to prevent drying