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| 氯化铵外冷器腐蚀分析及防腐蚀涂层保护 | |
| 摘 要： | 联碱生产中氯化铵外冷器列管腐蚀最为严重，腐蚀主要集中于管端。本文作者王敏主要对点蚀、缝隙腐蚀、湍流腐蚀及空泡腐蚀等几种腐蚀类型进行了分析。在此基础上介绍了用环氧-酚醛复合涂层对其进行保护的具体方法，包括列管内外壁、管端、管板的防腐蚀设计和供烤温度的控制等。 |
| 关 键 词： | 防腐蚀设计 涂层保护 外冷器 氯化铵 腐蚀分析 列管腐蚀 联碱生产 缝隙腐蚀 腐蚀类型 |
Corrosion Analysis and Anticorrosive Coat Protection of External Cooler for NHCl |
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| Abstract: | Pipes of external cooler for NH4Cl are eroded heavily during manufacture process. The pipes top are specially get-corrosion badly. Author of this article WANG Min makes an analysis of pit corrosion, slit corrosion, turbulent corrosion,etc, and gives a specific way of using epoxy phenolic aldehyde to protect the coats including the pipes anticorrosive process design and the backing control. |
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