加氢型酸性水汽提装置塔顶空冷腐蚀泄漏分析研究

孟庆元, 代鹏宇, 张瑜, 杨彦哲, 李沈典, 刘福贵

A Survey of Corrosion Leakage for Air-cooled Tube at Tower Top of Hydrogenated Acidic Water Stripping Unit

MENG Qingyuan, DAI Pengyu, ZHANG Yu, YANG Yanzhe, LI Shendian, LIU Fugui

表1 换热器管束钢材的化学成分 (mass fraction / %)

Table 1 Chemical compositions of heat exchanger tube bundle steels

Item C Si Mn Cr Al Mo Re P S 09Cr2AlMoRe 0.06-0.10 0.2-0.5 0.3-0.6 2.0-2.3 0.3-0.7 0.3-0.5 Confidential ≤ 0.02 ≤ 0.015 Tube material 0.09 0.35 0.56 2.22 0.52 0.33 ~0.2 0.011 0.012