對于離心風機的使用用戶來說，磨損問題無時無處不在，那么離心風機在使用過程中會出現磨損分為多種情況，主要指軸承之間的磨損，再就是葉輪、整機的磨損這些磨損現象嚴重的話會直接導致風機的使用效果不能發揮出來，由于磨損的方面比價多，我們在本章節主要以葉輪的磨損問題出發點，為用戶尋找幾個能應對葉輪磨損問題的方法和技巧，以便能更好的使用風機。

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.

改進工藝路線是一個比較典型的方法，盡量將離心風機置于除塵器之后，如：風機置于增濕塔或管道增濕之后，烘干熱源抽風機置于除塵器之后均大大利于防止風機的磨損，表面粘貼或焊接陶瓷，將耐磨工程陶瓷利用高強度耐高溫膠粘劑或特殊焊接工藝復合在風機葉片表面上，該技術要解決防脫落問題。等離子堆焊，堆焊時葉片變形大，而且反復焊接會導致葉面產生裂縫，易產生事故。對葉片表面可以進行滲碳，滲碳工藝難度大，實際滲碳時，滲碳層的部位和厚度要由葉片厚度和磨損情況以及滲碳工藝決定。熱噴涂，采用等離子噴涂方法或氧乙炔火焰，在葉片磨損表面噴涂陶瓷或碳化鎢或者噴焊鎳基+碳化鎢合金。

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.

減少葉輪磨損的方法還需要用戶從防腐蝕做起，很多時候風機的腐蝕會加重風機的磨損現象，因此如何在使用中減少風機的腐蝕現象，也是用戶使用風機的過程中需要研究的一個課題，保障風機的順利誰用僅僅從這些方面來入手是遠遠不夠的，我們都知道風機能不能保持較長的使用效果，和平時對風機的保養維護程度是分不開的，一個完善的保養方案是用戶一定要具備的。

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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