济南镀锌方管在我国经济中发挥着重要的作用，它的应用领域也非常广泛，受天气和环境的影响，长期使用济南镀锌方管表面也会出现生锈，如何去除锈蚀，下面章丘市鸿祥泰就为大家介绍一下。

Jinan galvanized square tube plays an important role in China's economy, its application field is also very wide, affected by the weather and environment, long-term use of Jinan galvanized square tube surface will also appear rust, how to remove rust, the following Zhangqiu hongxiangtai for you to introduce.

去除济南镀锌方管锈斑的4个有用方法

Four useful methods to remove rust spots of Jinan galvanized square pipe

1.为使济南镀锌方管达到理想的除锈效果，应根据合金管的表面硬度、原始腐蚀程度、所需的表面粗糙度和涂层类型来选择磨料。应采用单层环氧树脂、双层或三层聚乙烯涂层。为了达到理想的除锈效果，应采用钢砂和钢丸的混合磨料。因为钢砂可以强化钢材表面，钢砂可以腐蚀钢材表面。

1. In order to achieve the ideal derusting effect of Jinan galvanized square pipe, the abrasives should be selected according to the surface hardness, original corrosion degree, required surface roughness and coating type of the alloy pipe. Single epoxy, double or triple polyethylene coating shall be used. In order to achieve the ideal derusting effect, the mixed abrasive of steel sand and steel shot should be used. Because steel sand can strengthen steel surface, steel sand can corrode steel surface.

   
   

2.除锈等级:对于常用的环氧、乙烯、酚醛等防腐涂料的施工工艺，一般要求是使表面达到接近白色等级。实践证明，该除锈等级可以清除几乎所有的氧化皮、铁锈等污物，完全满足防腐层与济南镀锌方管管的附着力要求，但不除锈喷淋除锈工艺可以使质量达到接近白色水平，成本较低。

2. Derusting grade: for the construction process of commonly used epoxy, ethylene, phenolic and other anti-corrosion coatings, the general requirement is to make the surface close to the white grade. Practice has proved that this derusting grade can remove almost all the scale, rust and other dirt, and fully meet the adhesion requirements of the anti-corrosion coating and Jinan galvanized square pipe, but the non derusting spray derusting process can make the quality close to the white level, and the cost is low.

3.喷雾治疗前,可以去除表面的油脂和规模合金管和管可以通过加热炉预热到40-℃保持表面干燥,因为表面不含油脂和其它污垢,可提高除锈的效果。另外，表面干燥也有利于钢丸、钢砂、铁锈和氧皮的分离，所以会使表面除锈后更加干净。

3. before spray treatment, the grease and scale can be removed. The alloy tube and tube can be pre heated to 40- C through the heating furnace to keep the surface dry, because the surface does not contain grease and other dirt, which can improve the effect of rust removal. In addition, the surface drying is also conducive to the separation of steel shot, steel sand, rust and oxygen skin, so it will make the surface cleaner after rust removal.

4.为了获得一个更好的统一的清洁度和粗糙度分布,磨料颗粒大小和比例的设计是非常重要的,因为济南镀锌方管太大粗糙度很容易导致防腐涂料稀释在锚线的高峰期,因为锚线太深,很容易形成泡沫的过程中防腐,这严重影响防腐涂料的性能。

4. in order to get a better uniform cleanliness and roughness distribution, the design of abrasive particle size and proportion is very important, because the roughness of Ji'nan galvanized square tube is very easy to cause the anticorrosive coating to dilute at the peak of anchor line, because the anchor wire is too deep, and it is easy to form foam to prevent corrosion, which seriously affects the performance of anticorrosive coating.