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本文详细分析了原油性质和品质发生较大变化对常压装置的影响,在原油含盐、含水、含泥沙、酸值增高的情况下,对常压装置电脱盐系统冲击很大,引起常压装置腐蚀严重。本文结合生产实际,在操作指标的调整、工艺方案的优化、新技术的应用三方面进行了详细阐述,深入探讨了原油电脱盐工艺如何从工艺技术上应对原油劣质化的趋势,有效降低常压装置腐蚀,减轻后加工过程的影响。
In this paper, the effects of large changes in the nature and quality of crude oil on atmospheric pressure apparatus are analyzed in detail. Under the condition of salt, water, sediment containing and the increase of acid value of crude oil, the impact on atmospheric desalination system of atmospheric pressure unit is very great, Pressure device corrosion serious. In this paper, the actual production, the adjustment of operating indicators, the optimization of process options, the application of new technologies are described in detail in three aspects, in-depth discussion of crude oil desalination technology from the technology to deal with the trend of crude oil inferior quality, reduce atmospheric pressure Device corrosion, reduce the impact of post-processing.