天然气再生塔底重沸器腐蚀与防护技术研究

高秋英, 徐亦璇, 胡鹏伟, 姚田万, 齐文龙

Corrosion and Protection Technique of Regeneration Tower Bottom Reboiler in Natural Gas Purification Unit

GAO Qiuying, XU Yixuan, HU Pengwei, YAO Tianwan, QI Wenlong

图3 不同温度下材料在模拟重沸器内腐蚀环境的浸泡10 d的腐蚀SEM形貌

Fig.3 Corrosion morphologies of 20# steel (a), Q245 steel (b) and 16Mn steel (c) after immersion in MDEA amine solution for 10 d 100 ℃ (a1-c1), 120 ℃ (a2-c2), 140 ℃ (a3-c3), 160 ℃ (a4-c4) and 180 ℃ (a5-c5)