脱硫烟道聚氨酯防腐涂料的设计与研究

2010 2nd IEEE International Conference on Information Management and Engineering Pub Date : 2010-06-03 DOI:10.1109/ICIME.2010.5477695

Liu Zongyu, Song Wei

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引用次数: 1

摘要

根据某燃煤电厂的腐蚀环境和技术参数，对某湿式烟气脱硫设备(产品型号:DTTW-III-150)脱硫烟道防腐涂层进行了设计研究。并对相关设计要求进行了确认。应用结果表明，聚氨酯具有耐磨性和耐高温的物理性能，可用于烟气脱硫设备防腐。当施工厚度为2.0 mm时，高温聚氨酯保护涂层外观光滑，EDM(电火花加工)合格率100%，附着力10.8 MPa，在180℃环境下仍具有优异的性能，根据腐蚀余量估算，确保其达到烟道的设计使用寿命。

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Design and study of polyureas anticorrosion coating in desulfurization flue

Anticorrosion coating in desulphurization flue of one wet flue gas desulfurization equipment (FGD) (product model: DTTW-III-150) was designed and studied according to corrosive environment and technical parameters of a coal-fired power plant. And relevant design requirements were confirmed. Application results showed that polyureas can be used to anticorrosion in flue desulfurization equipment for anticorrosion because of their wear and high temperature physical properties. When the construction thickness was 2.0 mm, the high-temperature polyureas protective coating appearance smooth, EDM(electric discharge machining) 100% pass rate, adhesion 10.8 MPa, at 180 °C environment still had outstanding performance, that make sure it could reach its design life of the flue based on estimating the corrosion margin.

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2010 2nd IEEE International Conference on Information Management and Engineering

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