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钢结构喷铝喷锌防腐的施工工艺

发布时间:2015-11-30 9:37:01 浏览次数:575

普通电弧喷涂设备by整流电源、控制装置、喷雾器、钢丝盘大或小的装置,压缩空气供应系统等组成。钢丝盘,压缩空气供应系统及负荷火焰喷涂。电弧浇水镁铝工艺参数除以及喷涂材料大关系除了取决于使用的设备及生产效率的要求。


钢结构浇水的铝、锌、国内应用电弧喷涂长效防腐技术是20世纪90年代开始,特别是金属喷涂电弧喷涂技术中应用最普遍的应用전망을更广泛。电弧喷涂防腐原理,利用电弧喷涂设备上的两台钢丝(如铝,镁等)加热,熔化,形成雾化,喷涂防腐涂层,而且有机封闭涂层的长效防腐复合涂层,这层的突出特点:


腐蚀寿命比较长的防腐寿命达到50年以上,同时该防腐涂层30年使用期内保持任何防腐不需要30年后才完成;维持电弧喷涂层上的油漆刷封闭的必要;重新喷涂,防腐涂层层实现,时效有效。


电弧喷涂层与金属基体具有优异的涂层结合力(的10Mp以上)金属喷镀层的机械镶嵌及微冶金结合和坯料,轻微的弯曲、冲击或碰撞下雨也确保防腐涂层不下降,不结合起来,起防腐效果持久。在任何表面防腐涂层也无法达到的。


电弧喷涂锌铝涂层防腐原理,为阴极保护腐蚀环境中,即使防腐涂层局部破损,还是自己去牺牲保护钢基体的效果。层(阳极)和钢基体(阳極)面积≥1;而富锌涂料在阳极和阴极加1。其保护效果及结合力的电弧喷涂防腐涂层远远不够。



General electric arc spraying equipment by rectifying power supply, control device, spray device, steel wire plate, large or small device, compressed air supply system, etc.. Steel wire, compressed air supply system and load flame spraying. In addition, the process parameters of mg Al arc water spraying material big relations not only depends on the use of the equipment and production efficiency requirements.


Steel structure watering aluminum, zinc, the domestic application of arc spraying long-term anticorrosion technology is the beginning of the 1990s, especially metal arc spraying technology widely used in the application of more widely. The principle of arc spraying, the use of two sets of steel wire (such as aluminum, magnesium, etc.) heating, melting, forming a spray, spraying anti-corrosion coating, and the organic sealing coating, the outstanding characteristics of the long-term anti-corrosion coating:
Corrosion life is longer than 50 years, at the same time, the anti-corrosion coating for 30 years to maintain any corrosion is not required after 30 years to complete; maintenance of arc spraying coating on the brush seal the necessary; re spraying, coating layers to achieve, effective.


Arc spraying layer and metal substrate have excellent coating adhesion (10Mp above) metal spray coating of mechanical and micro metallurgical combination and billet, minor bending, impact or collision rain also ensure that the anti-corrosion coating is not reduced, does not combine, the effect of lasting. In any surface coating can not be achieved.


The corrosion protection principle of electric arc spraying zinc aluminum coating is a cathodic protection corrosion environment, even if the local damage of anticorrosion coating, or the effect of its own to protect steel substrate. Layer (anode) and substrate (anode) area is larger than 1; and the zinc rich coatings on the anode and cathode plus 1. Its protective effect and the combination of the electric arc spraying coating is not enough.



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