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首页> 外文期刊>材料と環境 >Corrosion Inhibition in Petroleum Industry: Corrosion Control and On-line Monitoring for Crude Distillation Towers and Overhead Systems
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Corrosion Inhibition in Petroleum Industry: Corrosion Control and On-line Monitoring for Crude Distillation Towers and Overhead Systems

机译：石油工业中的腐蚀抑制：原油蒸馏塔和塔顶系统的腐蚀控制和在线监测

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摘要

In order to increase the amount of middle distillate and to improve energy efficiency, there is a trend in atmospheric distillation tower operations to reduce the tower top operational temperature and pressure. Directionally, crude oil processing move towards heavier crude oils, higher amounts of salts and longer operational terms. Also, there will be a trend in increasing chlorides levels in tower tops caused by a reduction or termination of caustic soda usage due to processing of residual oil streams through hydrodesul-furization units to other cracking processes. It is desired to be able to understand and control this corrosion based on effective measurement in order to have stable long term operations in spite of this worstening corrosion environment in the tower overhead system. This review is about the various varification steps of applying this corrosion control technology on actual units in the field.
机译：为了增加中间馏分的量并提高能量效率，常压蒸馏塔操作中存在降低塔顶操作温度和压力的趋势。定向上，原油加工转向重质原油，更高的盐含量和更长的运营期限。同样，由于通过加氢脱硫装置处理剩余油流到其他裂化工艺而产生的苛性钠的使用减少或终止，还会导致塔顶氯化物含量增加的趋势。尽管塔架顶置系统中腐蚀环境恶化，但仍希望能够基于有效的测量结果来理解和控制这种腐蚀，以便具有稳定的长期运行。这篇评论是关于在现场将这种腐蚀控制技术应用于实际设备的各种变型步骤。

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