摘要
该文对炼油系统常减压加热炉外护板的腐蚀情况及腐蚀原因进行了分析，结合加热炉大修，采用防腐涂层对加热炉外护板进行了防腐，通过2年多的使用收到了较好的效果。
The corrosion of outside board of heating oven in oil refining system is detailed in this article. It has been two years by taking anticorrosive coat to protect the outside board while repairing and examining the heating oven and the Corrosion of outside board has been released much.
