石油化工循环水塔钢结构的腐蚀与防护方法
王巍
（大庆石化公司 黑龙江省大庆 163711）
内容提要：该文详细阐述了石油化工系统循环水凉水塔钢结构由于金属表面处理和采用不当的防腐材料，造成防腐层过早的损坏，使钢结构腐蚀严重。通过对防腐涂层及金属腐蚀原因的分析，采用聚酰胺防腐材料对金属结构的防腐，通过2年多使用效果很好。 关 键 词：凉水塔、钢结构、底面处理 防护层损坏、金属腐蚀、材料选择Steel corrosion of recycle water tower in petrochemical industry an its protective methods
Wang wei
(Oil refining factory of Daqing Petroleum Ｃompany，Daqing，Heilongjiang province 163711)
Abstract：This paper we discussed the steel corrosion of recycle water tower in petrochemical industry which is caused by improper superficial treatment and corrosion proof materials. According to the analysis on the corrosion proof coating and the reason of steel corrosion, we adopted a polyamide material as a corrosion coating. It has been using for two years, and has a perfect effect. Key Words：cooling water tower, steel structure, bottom surface treatment, steel corrosion, material select 
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