一、前言自从70年代石油危机冲击以来,我国的石油储备能力日益增强。其储备方法有地下岩层储备,海上油轮储备,但目前最主要的储备方法是地上钢制油罐储备。建造储罐使用 SS、SM 和60kg 级的高强碳素钢板。这些钢板在使用时要被其所贮存的液体所腐蚀。另外,石油储罐在建造时要进行焊接。焊接时可能产生焊接缺陷,或者罐在使用过程中也有可能在焊接处或附近产生腐蚀或裂纹。特别罐底板在使用中由于污泥和积水则更容 I. Introduction Since the oil shock of the 1970s, China’s oil reserve has been increasingly strengthened. The reserves of underground rock reservoirs, offshore oil tanker reserves, but the main method of storage is the above ground steel tank reserves. Construction of storage tanks using SS, SM and 60kg high-strength carbon steel. These steel plates are corroded by the liquids they store when they are used. In addition, oil storage tanks are welded during construction. Welding defects may occur during welding, or corrosion or cracking may occur at or near the weld during use of the can. Special tank floor in use due to sludge and water is more tolerant