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管道防腐的多点阴极保护方法
王凤山, 曹大久 and 郭丽芬
2000-12-27
Rights Holder中国科学院金属研究所
Date Available2000-12-27
Country中国
Subtype发明专利
Abstract本发明涉及电化学,具体地说是一种防止受电化学腐蚀的埋地金属管道多点阴极保护方法。当管道防腐层绝缘电阻率低于6000Ω·m2时,或管线全程保护电位测试值低于-0.85V时,所述每原两个阴极保护站中间靠电源附近设立多个阴极保护点,在所述设立的阴极保护点建立简易阴极保护站,在所述简易阴极保护站之处提高阴极保护电位至-0.85V以上;所述阴极保护点个数n≥1,以将全程电位提高到-0.85V以上为上限值。本发明选点灵活,建站占地少,无需阴极保护间,简单易行,投资少。
Language中文
Status公开
Application NumberCN1278022
Document Type专利
Identifierhttp://ir.imr.ac.cn/handle/321006/66044
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
王凤山, 曹大久 and 郭丽芬. 管道防腐的多点阴极保护方法[P]. 2000-12-27.
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