The long-term use of the Reitz centrifugal fan will cause some parts to cause different degrees of wear and tear. Below, Dongguan Ruitian Electromechanical Co., Ltd. "target=_blank> Electromechanical Technology Co., Ltd. mainly analyzes the factors that cause the wear of the Reitz centrifugal fan.
1. Erosion wear; solid particles enter the impeller and interact with the wall surface. In the inlet region of the centrifugal flow channel and the entire axial flow channel, the solid particles are basically under the combined action of the entrainment of the gas flow and their own inertia, with non-zero The angle of attack collides with the wall and then bounces back into the flow path. The resulting wall material wear is typical of erosion wear.
2. Abrasive dust wear; in the exit area of ​​the centrifugal flow passage, the dust particles move in the flow passage for a long distance, and most of the collisions with the wall surface occur, basically sliding or rolling along the pressure surface. There is a certain pressure on the wall surface, and the wear of the back material is caused by the abrasion of the abrasive dust particles. The concentration of the dust particles in the vicinity of the pressure surface is more harmful to the dust particle wear. 
The wear and tear of the centrifugal centrifugal fan is divided into several categories:
1. Fatigue wear; fatigue wear due to surface cracks or scales caused by surface fatigue stress (or temperature or impact). From the perspective of the damaged impeller, the various types of impeller wear and the situation are not the same. However, the wear forms are mainly the above and all are local wear. The worn parts are mainly at the working face of the blade and near the rear plate.
2, scouring wear; surface scratches caused by solid particles scouring the metal surface is called scouring wear.
3, abrasive wear; in the centrifugal fan, the solid particles at a certain speed relative to the surface of the part of the movement will cause abrasive wear. Uneven contact surfaces, wear due to boring effects under relative motion or abrasive action of dispersed solid particles between interfaces. It has the greatest impact on the degree of impeller wear.
4. Adsorption and wear; when other conditions are the same, even if the processing precision and cleanliness of the machined surface are improved, the adhesion is better, but the wear is not reduced. On the contrary, due to the close proximity of the interface, the molecular adsorption is significant, and the interface is aggravated. Wear, called adsorption wear.
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