The causes of wall leakage of polygonal thin oil sealed gas holder are ana-lyzed. The reasonable welding process is adopted to control deformation of column. The leak-age of the gas holder wall has been solved.% 通过对多边型稀油密封储气柜壁板漏油原因的分析，采用合理的焊接工艺，控制立柱变形，解决了气柜壁板漏油问题。
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