电弧喷涂技术的发展及在石油行业的应用

Development of electric arc spraying and application in petroleum industry

介绍了双丝电弧喷涂原理、电弧喷涂的设备和涂层性能，以及电弧喷涂与氧乙炔火焰喷涂、等离子喷涂相比所具有的优点。概述了国内外电弧喷涂设备和材料的最新发展状况。电弧喷涂在石油行业中处于开发研究的起步阶段，将主要应用于海上钻井平台、贮油罐、贮气罐和输送管道等的防腐以及大型钻机轴、轴瓦、泵柱塞及磨损轴颈的修复等方面。

The principle, equipment and coating property of dual-wire electric are spraying are introduced, and by comparing with the flame spraying and plasma spraying, the advantages of arc spraying are presented. The latest development of arc spraying equipment and material in China and abroad is summarized. As for the petroleum industry, the arc spraying is mainly used for the corrosion control of the offshore drilling platform, oil storage tank, gas storage tank and transmission pipeline and the renovation of the shaft of heavy-duty drilling rig, bearing bushing, pump plunger and shaft joumal.