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球墨铸铁井盖正确除锈方式?

来源:http://www.zgcjxdw.com添加时间:2020-07-20 16:49:04

  球墨铸铁井盖一般来说很少有生锈的情况发生,但是一旦出现了这种现象,我们需要对其进行除锈,那么应该怎么进行除锈呢,本篇文章就为大家简单的讲解下。

  Generally speaking, nodular cast iron manhole cover is rarely rusted, but once this phenomenon occurs, we need to remove rust, so how to carry out rust removal, this article will give you a simple explanation.

  目前对于球墨铸铁井盖的除锈方式有两种,一种抛射除锈,另外一种是喷射除锈,这两者是存在着差距的,所谓的抛射除锈,主要是利用抛丸机高速旋转的叶轮片,将磨料分散的射向球墨铸铁井盖的表面,利用碰撞将其表面的锈迹以及污迹去除。

  At present, there are two kinds of derusting methods for nodular cast iron manhole cover, one is jet derusting, the other is spray derusting. There is a gap between the two. The so-called shot rust removal is mainly to use the impeller blade of shot blasting machine to disperse Abrasives onto the surface of nodular cast iron well cover, and remove the rust and dirt on the surface by collision.

  而喷射除锈是经过油水分离处理过的压缩空气将磨料从喷嘴高速喷出,利用压力将磨粉与球墨铸铁井盖的表面碰撞进行除锈。对于球墨铸铁井盖的正确除锈方式就为大家简单的讲解到这,我们遇到这种情况的时候,以上两种方法可以任选其一。

  Spray derusting is that the compressed air after oil-water separation will spray the abrasive from the nozzle at a high speed, and the grinding powder will collide with the surface of ductile iron well cover to remove rust by pressure. For nodular cast iron manhole cover of the right way for everyone to simply explain to this, we encounter this situation, the above two methods can choose either.

                                   QQ截图20160902152044.png

  1、与铸铁相比,球墨铸铁在强度方面具有的优势。球墨铸铁的抗拉强度是60k,而铸铁的抗拉强度只有31k。

  1. Compared with cast iron, ductile iron has advantages in strength. The tensile strength of ductile iron is 60K, while that of cast iron is only 31k.

  2、球墨铸铁的屈服强度是40k,而铸铁并没有显示出屈服强度,并且终出现断裂。

3d捕鱼  2. The yield strength of ductile iron is 40K, but the cast iron does not show yield strength, and fracture occurs eventually.

  球墨铸铁的强度-成本比远远优于铸铁。

  The strength cost ratio of ductile iron is much better than that of cast iron。

  3、球墨铸铁的强度和铸钢的强度是可比的。球墨铸铁具有更高的屈服强度,其屈服强度为40k,而铸钢的屈服强度只有36k。

  3. The strength of ductile iron is comparable to that of cast steel. The yield strength of nodular cast iron is 40 K, while that of cast steel is only 36 K.

  在大部分市政应用领域,如:水、盐水、蒸汽等,球墨铸铁的耐腐蚀性和抗氧化性都超过铸钢。

  In most municipal applications, such as water, brine, steam, etc., the corrosion resistance and oxidation resistance of ductile iron are better than that of cast steel.

  4、由于球墨铸铁的球状石墨微观结构,在减弱振动能力方面,球墨铸铁优于铸钢,因此更加有利于降低应力。

  4。 Because of the spheroidal graphite microstructure of nodular cast iron, nodular cast iron is better than cast steel in reducing vibration capacity, so it is more conducive to reduce stress。

  选择球墨铸铁的一个重要的原因在于球墨铸铁比铸钢成本低。铸铁井盖保养工作低成本使得这种材料更加受欢迎,铸造效率更高,也较少了球墨铸铁的机加工成本5、铸钢中的低含碳量使得作为游离石墨存在的碳不会形成结构薄片,铸铁内的碳天然形式是游离石墨薄片形式。

  An important reason for choosing ductile iron is that the cost of ductile iron is lower than that of cast steel. The low cost of cast iron manhole cover maintenance makes this material more popular, higher casting efficiency and less machining cost of nodular cast iron. 5. The low carbon content in cast steel makes the carbon existing as free graphite will not form structural sheet, and the natural form of carbon in cast iron is free graphite sheet form.

  6、球墨铸铁的压力负载部件都经过铁素体化退火周期的工艺处理后,球墨铸铁内部的球状结构也能够消除铸铁内部的薄片石墨容易产生的裂缝现象。

  6. After the pressure load parts of nodular cast iron are treated by ferrite annealing cycle, the spherical structure in ductile iron can also eliminate the crack phenomenon easily produced by flake graphite in the cast iron.

  7、在球墨铸铁的微观照片中,可以看见裂缝到石墨球后终止。在球墨铸铁行业内,这些石墨球称为“裂缝终结者。

  7. In the micrograph of nodular cast iron, it can be seen that the crack ends after the graphite ball. In the ductile iron industry, these graphite balls are called "crack terminators.".

3d捕鱼  以上就是球墨铸铁井盖的正确除锈方式和球墨铸铁井盖的优势欢迎大家来进行选购。

3d捕鱼  The above is the right way to remove rust and the advantages of nodular cast iron manhole cover. Welcome to purchase.



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