聚氨酯在脱硫烟道混凝土表面防腐的应用研究

2010 International Conference on Challenges in Environmental Science and Computer Engineering Pub Date : 2010-03-06 DOI:10.1109/CESCE.2010.89

Song Wei, Liu Zongyu

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引用次数: 1

摘要

根据某燃煤发电方案的腐蚀环境和技术参数，对湿式烟气脱硫设备(产品型号:DTTW-¿-150)烟气中聚氨酯防腐的应用进行了研究。并对相关设计要求进行了确认。结果表明，聚氨酯具有良好的耐磨性和耐高温的物理性能，可用于烟气脱硫设备的防腐。当施工条件为厚度3.0 mm时，该高温聚氨酯保护涂层外观光滑，附着力7 MPa，在150℃环境下聚氨酯仍具有优异的性能。根据腐蚀余量初步估算了20年防腐涂层的使用寿命。

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Application Investigation on Polyureas Anticorrosion for Concrete Surface in Desulphurization Flue

Application investigation on polyureas anticorrosion in flue of Wet Flue Gas Desulphurization Equipment (FGD) (product model: DTTW-¿ -150) was carried out according to corrosive environment and technical parameters of a coal-fired power plan. And relevant design requirements were confirmed. The results showed that Polyureas can be used to anticorrosion in flue desulphurization equipment because of their wear and high temperature physical properties. When the construction conditions was thickness of 3.0 mm, the high-temperature polyureas protective coating smooth appearance, adhesion 7 MPa, at 150 ¿ environment polyureas still had outstanding performance. The useful life of 20-year anticorrosion coating was preliminary estimated based on the corrosion margin.

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2010 International Conference on Challenges in Environmental Science and Computer Engineering

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