炼制重质高酸低硫原油减压塔的腐蚀与防护

On Corrosion and Protection of Vacuum Distillation Tower in Processing High Acid and Low Sulphur Heavy Crude

介绍某炼厂炼制高酸低硫重质原油装置中的主要设备减压塔的腐蚀情况,通过分析腐蚀的原因,得出防腐蚀的措施,如设备材质升级、工艺防腐、腐蚀在线监测等。实践证明,多种手段相结合的系列防腐技术升级改造,成效显著。

The article introduces the corrosion situation of vacuum distillation tower in a refinery that processes high acid and low sulfur heavy crude. By analyzing corrosion causes and exploring preventive measures, the paper puts forward a series of anti - corrosion solutions, in-cluding equipment ＆ material upgrades, injection of high temperature corrosion inhibitor, and corrosion online monitoring method as well.