本文叙述了各种铜管在湖北省六个火力发电厂的使用情况,着重介绍国产H68、HSn70-1等无砷软黄铜管的腐蚀损坏原因,探讨十多年来应用硫酸亚铁成膜保护防止汽轮机凝汽器铜管腐蚀的效果,结合湖北省长期运行实践,提出今后选材的要求及相应的注意事项. This article describes the use of various copper tubes in six coal-fired power plants in Hubei Province, focusing on the reasons for the corrosion damage of domestic arsenic-free soft brass tubes such as H68 and HSn70-1. The application of ferrous sulfate film for more than a decade Protect the steam turbine condenser brass corrosion effect, combined with the long-term operation of Hubei Province, put forward the requirements of future material selection and the corresponding precautions.