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球墨铸铁井盖清洗方式都有哪些?​

来源:http://www.kpp647.com添加时间:2020-01-04 14:04:21

1、球墨铸铁人孔表面覆盖灰尘

  1. The surface of ductile iron manhole is covered with dust

  钢铸件通常是在尘土飞扬的地方铸造的,那里空气中有很多灰尘,这些灰尘不断落在设备的表面。它们可以用水或碱性溶液除去。然而,粘性污垢需要高压水或蒸汽才能清除。

  Steel castings are usually cast in dusty places, where there is a lot of dust in the air, which constantly falls on the surface of the equipment。 They can be removed with water or an alkaline solution。 However, sticky dirt requires high pressure water or steam to remove。

  2、球墨铸铁表面浮铁粉或预埋铁

  2. Floating iron powder or embedded iron on the surface of nodular cast iron

  游离铁会使不锈钢在任何表面生锈和腐蚀。因此,它必须被清除。漂浮的粉末一般可用灰尘除去。有些有很强的附着力,必须用嵌入的铁处理。除了灰尘,表面的铁的来源,包括使用普通碳钢丝刷清理和用于碳钢、低合金钢、铸铁件用沙子,玻璃珠或其他磨料喷丸治疗,或附近的不锈钢部件和设备前面提到的研磨不锈钢制品。该材料或悬挂无不锈钢防护措施,在加工过程中钢丝绳、吊索和铁条在台面表面很容易嵌入或污染表面。

  Free iron will rust and corrode stainless steel on any surface. Therefore, it must be removed. Floating powder can generally be removed by dust. Some have strong adhesion and must be treated with embedded iron. In addition to dust, sources of iron on the surface include the use of ordinary carbon wire brushes for cleaning and sand, glass beads or other abrasive peening for carbon steel, low alloy steel, iron castings, or abrasive stainless steel products previously mentioned for nearby stainless steel parts and equipment. There is no stainless steel protection measures for the material or suspension. During the processing, the wire rope, sling and iron bar are easy to be embedded in or contaminate the surface.

  3、球墨铸铁孔盖划痕

  3。 Scratches on the hole cover of nodular cast iron

  划痕和其他粗糙表面必须用机械清洗,以防止工艺润滑油或产品或污垢的积聚。

  Scratches and other rough surfaces must be mechanically cleaned to prevent the accumulation of process oil or product or dirt。

山东球墨铸铁井盖

  4. 球墨铸铁井盖锈斑

  4. Rust spots on ductile iron manhole cover

  不锈钢制品或设备在加工前或加工过程中有时会出现锈蚀现象,表明其表面受到严重污染。在设备投入使用之前,必须除去锈迹。清洁后的表面应进行铁试验和/或水试验。

  Corrosion of stainless steel products or equipment sometimes occurs before or during processing, which indicates that its surface is seriously polluted. Rust must be removed before the equipment is put into use. The cleaned surface shall be tested for iron and / or water.

  5. 粗磨加工

  5. Rough grinding

  磨削和加工会产生粗糙的表面、沟槽、重叠和毛刺。每一个缺陷都可能对金属表面造成一定程度的损伤,以致于无法通过酸洗、电抛光或喷丸去除。粗糙的表面可能成为腐蚀和沉积产物的来源,在重焊前不允许用粗磨打磨清理焊缝缺陷或去除多余的焊缝钢筋。在后一种情况下,应再次使用细磨料。

  Grinding and machining produce rough surfaces, grooves, laps, and burrs. Each defect may cause a certain degree of damage to the metal surface, so that it can not be removed by pickling, electropolishing or shot peening. Rough surface may be the source of corrosion and deposition products. It is not allowed to use rough grinding to clean weld defects or remove redundant weld reinforcement before re welding. In the latter case, the fine abrasive should be used again.

  以上就是对山东球墨铸铁井盖清洗方式的详细介绍,想要了解更多请点击官网http://www.kpp647.com

  The above is a detailed introduction to the cleaning methods of Shandong ductile iron manhole covers. For more information, please click http://www.kpp647.com



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