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分析了兰州炼油化工总厂的润滑油 NMP( N-甲基 - 2 -吡咯烷酮 )精制装置的腐蚀原因 ,经试验在装置的重腐蚀部位采用 2 54SMo高钼钢材质及加入 F92 1防腐剂的防腐措施 ,有效地解决了该装置的严重腐蚀问题。
The reasons for the corrosion of NMP (N-methyl-2-pyrrolidone) refining plant in Lanzhou Refining and Chemical Plant were analyzed. The corrosion resistance of 254Mo high molybdenum steel and the addition of F92 1 preservative were tested in the heavy corrosion area of the plant. Effectively solve the serious corrosion of the device.