对蜡油加氢装置34台设备进行腐蚀调查,并结合装置的原料、选材情况,进行腐蚀分析,发现蜡油加氢装置存在湿硫化氢腐蚀、高温氢损伤、循环水垢下腐蚀。加氢反应器R101底部表面收集器固定螺栓发生高温氢损伤,硫化氢汽提塔C201内壁和塔盘发生H_2S-HCl-H_2O介质的腐蚀,低分气冷却器E301内壁发生湿硫化氢腐蚀和酸性水腐蚀、贫液冷却器E105发生循环水垢下腐蚀。 The corrosion of waxy oil hydrogenation unit 34 sets of equipment, combined with the device of raw materials, material selection, corrosion analysis found wax hydrogen sulfide hydrogen sulfide wet hydrogen sulfide, high temperature hydrogen damage, corrosion under cyclic scale. Hydrogenation reactor R101 bottom surface collector bolts high temperature hydrogen damage, hydrogen sulfide stripper C201 inner wall and tray H_2S-HCl-H_2O medium corrosion, low partial pressure cooler E301 wet hydrogen sulfide corrosion and acid inside the wall Water corrosion, lean liquid cooler E105 cyclic scale corrosion.