循环冷却水处理技术的试验研究

Chemical Engineer(2021)

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Abstract
针对秦岭发电有限公司循环冷却水水质特点,提出采用阻垢缓蚀剂-H2SO4-高效缓蚀剂SW-127联合加药处理方案.静态腐蚀试验确定最佳方案为缓蚀阻垢剂(60mg·L-1)+H2SO4(JD调至2.45mmol·L-1)+高效缓蚀剂(10mg· L-1),循环水的浓缩倍率从2.0倍可提高到4.76倍,碳钢和黄铜的平均腐蚀速率分别为0.0153、0.0037mm·a-1,缓蚀率分别达到92.54%、83.52%.动态模拟实验结果显示,浓缩倍数提高,腐蚀速率均在GB/T50050-2017《工业循环水冷却水处理规范》范围内,同时试验监视管内结垢少量,未发生局部腐蚀现象.
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