制氢装置中变气系统奥氏体不锈钢设备失效问题分析  

FAILURE ANALYSIS OF AUSTENITIC STAINLESS STEEL EQUIPMENT IN THE SHIFT GAS SYSTEM OF HYDROGEN PRODUCTION DEVICE

作　　者：周杨[1] 梁春雷[1] 

机构地区：[1]合肥通用机械研究院,安徽合肥230031

出　　处：《石油化工设备技术》2013年第4期31-32,37,共3页Petrochemical Equipment Technology

摘　　要：近年来,国内各石化企业常有制氢装置中变气系统设备与管道失效的报道,绝大多数是300系列奥氏体不锈钢设备在使用过程中发生了不同程度的泄漏、破裂等。文章根据制氢装置的工艺特点进行腐蚀分析,并列举近年来国内石化企业制氢装置中该系统的几次有代表性的失效案例,简要分析了该系统不锈钢设备失效的潜在规律,并提出了一些预防及检验的建议。In recent years,failures of the equipments and pipelinesin hydrogen production shift gas system areoften reported in domestic refineries.And most of the failures happened in the 300 series austenitic stainless steel equipments because of different degrees of leakage and cracking in the process of use.This paper carries out a corrosion analysis according to the technological characteristics of hydrogen production and listsseveral representative failure cases in the shift gas system of hydrogen production device in domestic refineries in recent years.It briefly analyzes some potential failure rules of the stainless steel equipment in this system and puts forward some advices for prevention and inspection.

关 键 词：制氢中变气 奥氏体不锈钢 敏化 晶间腐蚀 氯化物应力腐蚀开裂 

分 类 号：TQ116.2[化学工程—无机化工]