1. Förbättra bladstrukturen
Bearbetning av bladarbetsytan till en räfflad form, omvandling av ihåliga blad till fasta blad, och svetsning av slitstarka block till bladen kan alla minska slitaget i pumphjulet i viss utsträckning .}
2. Behandling av bladytan
Centrifugal fans can undergo blade surface treatment, which generally includes blade welding, adding wear-resistant lining plates, ceramic patches, etc. The advantage of these methods is to increase the hardness of the blade surface, thereby improving the wear resistance of the blade to a certain extent. Surface stacking refers to the use of welding rods (or wires) and manual arc welding (or automatic welding) to weld on the easily worn parts of blades, in order to improve the surface quality of blades, protect them, and extend their lifespan. Wear resistant lining plates can also be added to the blade working surface and disc surface to provide overall wear-resistant protection for the blades. Alternatively, ceramic patches can be used to enhance wear resistance, but the installation of Keramiska plåster är mycket obekväma . Keramiskt foder är inte ordentligt fixerat genom bindning, och under höghastighets rotation av fläkten kan keramiska fodret lätt fristående och ineffektiv . de fristående keramiska lapparna kan också orsaka skador på fläktbladen .}}}}}}
3. Förbättra aerodynamisk design
Reasonably select the shape of the inlet of the centrifugal fan, ensure the relative velocity of the small inlet of the impeller during design, and try to reduce the speed of the ventilation fan as much as possible. Choose an appropriate impeller flow channel shape, so that the curvature radius of the blade to the outlet gradually increases from small to large, which can reduce the impact opportunity between solid particles and blad .
