common problem
Wear resistance and wear-resisting treatment of the ventilator: Since a large number of ventilators are used for ventilation and dust removal in factories, mines, tunnels, etc., the impeller and the casing of the fan have different degrees of wear, which directly affects some places. The production goes smoothly, so there is a high requirement for the wear resistance of the fan.
At present, the commonly used wear-resisting treatments include surfacing, spraying, spray welding, and coating of polymer wear-resistant materials, which can prolong the service life of the fan. In recent years, China has introduced an effective wear-resisting treatment method from abroad, which is to paste or insert wear-resistant ceramics on the surface of the impeller or volute. Because the wear-resistant ceramic has good wear resistance, the wear resistance of the extension can be greatly improved. . Moreover, the ventilator with the wear-resistant ceramic sheet is easy to maintain, so it has been widely promoted and applied in related industries in China.
solution
Fan wear-type failures use polymer wear-resistant materials, mostly for polymer composites, mainly used for the repair of the wear parts of the ventilation machine. Because the material has stronger adhesion and compressive strength, it can be done. It is more advantageous than traditional methods to avoid disassembly and equipment, and avoid the disadvantages of thermal stress of surfacing and high requirements of spraying technology. At the same time, because the polymer composite material has the concession of metal deficiency, it can well absorb the impact vibration of the fan and avoid secondary wear, and is becoming more and more mature in the application of solving the wear failure of the transmission part of the fan.
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