摘要
广州石油化工总厂炼油厂脱硫装置干气吸收塔，由于硫化氢应力腐蚀，使用２０年后，在焊缝及其热影响区产生了不少裂纹。１９９７年，对已知裂纹进行了处理，并根据ＣＶＤＡ—１９８４“压力容器缺陷评定规范”进行了安全评定。检修后投用一年多，未发现异常情况。
After dry gas absorber has been operated for 20 years,the weld and its heat afective zone of dry gas absorber in sulfur removal unit of Guangzhou petrochemical complex refinery appeared a numbers of crack caused by hydrogen sulfide stress corrosion.In 1997,the handling of known crack is carried on.On the basis of CVDA 1984 “pressure vessel defects evaluation code” safety evaluation is executed.After repair and operating for more than 1 year,the abnormal condition did not appeared.
出处
《石油化工设备技术》
CAS
1999年第1期26-29,共4页
Petrochemical Equipment Technology
