文章來源： 作者：羅茨機電 發布時間：2022-06-10 瀏覽次數：652
For the users of centrifugal fans, the wear problem is always everywhere, so the wear of centrifugal fans in the process of use can be divided into many situations, mainly refers to the wear between bearings, and then the wear of impellers and the whole machine. If these wear phenomena are serious, it will directly lead to the failure of the use effect of the fans. Because there are many aspects of wear, we mainly focus on the wear of impellers in this chapter, Find several methods and skills for users to deal with impeller wear, so that they can better use the fan.
Improving the process route is a typical method. Try to put the centrifugal fan behind the dust collector. For example, putting the fan after the humidification tower or pipe humidification, and placing the drying heat source exhaust fan behind the dust collector will greatly help to prevent the wear of the fan. Paste or weld ceramics on the surface, and compound the wear-resistant engineering ceramics on the fan blade surface with high-strength high-temperature adhesive or special welding process, This technology should solve the problem of falling off prevention. During plasma surfacing, the blade deformation is large, and repeated welding will lead to cracks on the blade surface, which is easy to cause accidents. The blade surface can be carburized, and the carburizing process is difficult. In actual carburizing, the position and thickness of carburized layer should be determined by the blade thickness, wear and carburizing process. Thermal spraying: ceramic or tungsten carbide or nickel base + tungsten carbide alloy is sprayed on the worn surface of the blade by plasma spraying or oxyacetylene flame.
The method of reducing impeller wear also requires users to start with corrosion prevention. In many cases, the corrosion of fans will aggravate the wear of fans. Therefore, how to reduce the corrosion of fans in use is also a subject that users need to study in the process of using fans. It is far from enough to ensure the smooth use of fans. We all know that fans can not maintain a long use effect, The degree of fan maintenance in peacetime is inseparable. A perfect maintenance scheme is a must for users.
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