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针对TS-883型原油脱钙剂存在腐蚀性的问题,研制开发了两种配套缓蚀剂,采用静态密闭浸泡实验法,评价了加入缓蚀剂的原油脱钙剂水溶液对20#碳钢的腐蚀性,并与国外同类型脱钙剂产品进行了对比。结果表明,在相同实验条件下TS-883型原油脱钙剂水溶液对20#碳钢的腐蚀速率为0.8139 mm/a,而加入两种缓蚀剂后腐蚀速率分别降为0.1628和0.1678 mm/a,缓蚀效果达到甚至优于国外同类型产品的水平。
Aiming at the corrosion of TS-883 crude oil decalcification agent, two kinds of supporting corrosion inhibitors were developed. Static closed immersion test was used to evaluate the effect of corrosion inhibitor on the corrosion resistance of 20 # carbon steel Corrosive, and with the same type of foreign products of decalcification were compared. The results show that under the same experimental conditions, the corrosion rate of 20 # carbon steel is 0.8139 mm / a for the TS-883 crude oil decalcifying agent solution, while the corrosion rates of the two kinds of corrosion inhibitor are reduced to 0.1628 and 0.1678 mm / a respectively , The corrosion effect reaches or even surpasses that of the same type of foreign products.