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本文对甲醇塔法兰的失效原因和机理进行了分析。法兰失效主要原因是由于设计为中性的废水由于反应不完全而呈强酸性 ,在法兰焊缝附近产生晶间腐蚀导致失效
This paper analyzes the causes and mechanism of failure of methanol tower flange. Flange failure is mainly due to the design of neutral wastewater due to incomplete reaction was strong acid, near the flange weld intergranular corrosion caused by failure