近年来我厂加工胜利,任丘管道混输原油,原油中硫化物和盐的含量急剧增多,硫的含量一般为0.72%,有时高达0.9%.冷换设备腐蚀日益严重,直接危胁着安全生产.为了做好设备防腐蚀工作,几年来我们除了在工艺上改进和完善“一脱四注”防腐蚀措施外,还着重采用其它防护措施. In recent years, I plant processing victory, Renqiu mixed pipeline transportation of crude oil, crude oil sulfide and salt content increased sharply, the sulfur content is generally 0.72%, and sometimes up to 0.9% .Cold exchange equipment corrosion is increasingly serious, a direct threat to safety In order to do a good job in anti-corrosion equipment, over the past few years we in addition to improving and perfecting the “one off four injection” anti-corrosion measures, but also focus on the use of other protective measures.