通过失重挂片及电化学极化曲线测量，查明并分析了湿式煤气柜水封部位发生腐蚀的主要原因。针对储气罐工况条件，考察了缓蚀剂保护的可行性。 Through the weight loss coupon and electrochemical polarization curve measurement, the main reason for the corrosion of the water seal of the wet gas cabinet is identified and analyzed. According to the working condition of gas tank, the feasibility of corrosion inhibitor protection was investigated.