减粘裂化分馏塔顶系统的腐蚀及防护

PETROCHEMICAL CORROSION AND PROTECTION(2002)

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Abstract
辽河石化分公司减粘裂化装置改炼辽河超稠油的减压渣油后,分馏塔顶系统由HCl-H2S-HCN-有机酸-H2O引起的电化学腐蚀严重,其中油水分离器局部腐蚀速率达3.1mm/a,12AlMoV管束的空冷器运行不足两个月即发生泄漏.塔顶系统采用BZH-1中和缓蚀剂、无机氨BZH-913油溶性缓蚀剂综合注剂方案,使腐蚀得到控制.
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