天然气集输倾斜管道腐蚀行为及缓蚀剂分布研究

侯晓犇, 刘宁, 扈俊颖

Corrosion Behavior and Distribution of Corrosion Inhibitors in Inclined Section for Natural Gas Gathering and Transportation Pipelines

HOU Xiaoben, LIU Ning, HU Junying

表1 30°倾斜角度下不同位置处电极的电化学阻抗拟合数据结果

Table 1 Fitting data of electrochemical impedance spectroscopies of the electrodes at the different positions of the pipeline with 30° inclination angle

Electrode position Rs / Ω·cm2 Y0 / 10-4 Ω-1·s-n ·cm-2 n1 Rct / Ω·cm2 Horizontal section 43.72 1.92 0.93 525.0 Bend section 26.78 2.85 0.90 357.0 Inclined section 48.33 3.18 0.79 229.2