For the users of centrifugal fans, the wear problem is everywhere all the time, then the wear of centrifugal fans in the process of use will be divided into a variety of situations, mainly refers to the wear between bearings, and then the wear of the impeller and the machine. If the wear phenomenon is serious, it will directly lead to the use effect of the fan can not be played out. Because the wear aspect is more than the price, we mainly in this chapter Impeller wear problem starting point, for the user to find several can deal with the impeller wear problem methods and skills, in order to better use of fans.
The improved process route is a typical method. The centrifugal fan is placed after the dust collector as far as possible. For example, the fan is placed after the humidification tower or pipeline, and the drying heat source and extraction fan are placed after the dust collector, which are greatly conducive to preventing the wear of the fan On, the technology should focus on solving the problem of anti-fall. Plasma surfacing, surfacing blade deformation, and repeated welding will lead to cracks in the blade surface, easy to produce accidents. The surface of the blade can be carburized, carburizing process is difficult, the actual carburizing, carburizing layer location and thickness should be determined by the thickness and wear of the blade and carburizing process. Thermal spraying, using plasma spraying method or oxyacetylene flame, spraying ceramic or tungsten carbide or spray welding nickel base + tungsten carbide alloy on the blade wear surface.
The method of reducing impeller wear also needs the user to start from corrosion prevention. Many times the corrosion of the fan will aggravate the wear phenomenon of the fan. Therefore, how to reduce the corrosion phenomenon of the fan in use is also a topic that the user needs to study in the process of using the fan The long use effect is inseparable from the normal maintenance of the fan. A perfect maintenance plan is a must for the user.