摘要
炼油厂重油催化分馏塔普遍存在结盐腐蚀问题,本文以中石油某炼油厂重油催化分馏塔为例,分析其结盐、腐蚀的形成机理,介绍了几种常用的塔顶结盐预防改进措施,并对不停工条件下塔顶循环油部分水洗除盐技术进行阐述,该技术能有效解决塔顶结盐问题,从而降低腐蚀速率,保证常减压装置能安全、稳定、长周期、优质运行。
In this paper, the formation mechanism of salt and corrosion of heavy oil catalytic oil refinery in a refinery of oil refineryin China is introduced, and several commonly used methods for preventing and improving salt Measures, and the non-stop conditionsunder the roof of the oil part of the water washing desalination technology described, the technology can effectively solve the problem ofsalt at the top of the tower, thereby reducing the corrosion rate to ensure that the atmospheric and vacuum distillation unit can be safe,stable, long-term, high-qualityrun.
出处
《化工设计通讯》
CAS
2017年第4期13-13,32,共2页
Chemical Engineering Design Communications
关键词
分馏塔
结盐腐蚀
顶循油
水洗
fractionation tower
salt corrosion
top follow oil
water washing
