【摘要】 己内酰胺装置管道腐蚀主要表现为保温碳钢管道的外腐蚀、磨损腐蚀、不锈钢管道焊接接头的晶间腐蚀和应力腐蚀。文章对各种腐蚀现象进行了分析,对防护措施进行了探讨,并为该装置管道安全运行提出了建议。更多还原

【Abstract】 In caprolactam unit, pipe corrosion mainly represents the corrosion inside and outside of insulated carbon steel pipe, abrasion, intercrystalline corrosion and stress corrosion of welding joint of stainless steel pipe. By analyzing each sort of corrosion phenomena, discussing on protective measures, proposals for pipes operating safely in this unit are put forward in this article.更多还原