Analysis of the Causes of Bulging in the Ammonia Rectification Tower of a Sour Water Stripping Unit in a Refinery
This paper analyzes the causes of bulging in the Series II Ammonia Rectification Tower(T102)of Zhongke Wastewater Stripping.By examining the tissue properties,chemical composition,and metallographic structure of the bulging area,and considering the on-site process conditions and environmental factors,it was ultimately determined that the main causes of the bulge were improper material selection and environmental factors.To prevent the adverse effects of similar corrosion,material upgrades and process optimizations were proposed to provide effective guidance for the long-term safe operation of the acid steam extraction system.
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