In the cement industry, the fan working medium often contains a certain amount of same-sized particles of different sizes and shapes, such as the induced draft fan of the dust removal system and the blower for pneumatic conveying. Because these fans work in a dust-laden air stream, the dust particles in the air flow must not only cause wear to the fan, but also deposit dust on the fan blades, and the wear and dust accumulation are not uniform. As a result, the balance of the rotor of the fan is destroyed, causing vibration of the fan and shortening the life of the fan. In severe cases, the fan may not work properly. In particular, the wear of the fan blades is the most serious. It not only destroys the flow characteristics in the fan, but also easily causes major accidents such as blade breakage and flying.
The wear of the transmission parts is also a common problem of fans, including various shafts, rollers, speed reducers, motors, pumps and other bearing positions, bearing seats, keyways, and threads. The traditional welding machine processing methods can easily cause material damage. Damage, resulting in component deformation or fracture, has greater limitations; brush plating and spray remachining methods often require external association, not only a long repair period, high cost, but also because of the repair material or metal material, can not be fundamentally Solve the causes of wear (metal impact resistance and poor concession); many parts can only be replaced by scrap, greatly increasing production costs and spare parts inventory, so that the company's good resource advantages have been idle and wasted.
The wear of the transmission parts is also a common problem of fans, including various shafts, rollers, speed reducers, motors, pumps and other bearing positions, bearing seats, keyways, and threads. The traditional welding machine processing methods can easily cause material damage. Damage, resulting in component deformation or fracture, has greater limitations; brush plating and spray remachining methods often require external association, not only a long repair period, high cost, but also because of the repair material or metal material, can not be fundamentally Solve the causes of wear (metal impact resistance and poor concession); many parts can only be replaced by scrap, greatly increasing production costs and spare parts inventory, so that the company's good resource advantages have been idle and wasted.
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