Ceramic lining for wear prevention in special pumps.
A special pump made of SUS316L, imported from overseas, was used to transport ammonia water at the steelworks. Due to the high pressure during transport, erosion and corrosion (Note 1) occurred, leading to severe wear, and it lasted only about three months. Issues: 1. Severe wear due to the transport of ammonia water. 2. The casing of the foreign-made special pump rotates, causing significant wear and leading to holes in the casing. 3. Being foreign-made, the price is high, and the cost of parts is also expensive, with long lead times. 4. It needs to be replaced every three months.
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Proposing to extend the lifespan by attaching ceramic chips (alumina ceramic) to the pump casing. Points: 1. Extend lifespan through the wear resistance and chemical resistance of ceramics. 2. If the ceramic wears out, it is possible to reuse the pump casing by repairing the lining again.
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