Further extension of the lifespan of wear-resistant rubber hoses (ceramic bead hoses)!
In the raw material transport line that performs high-speed pneumatic conveying, there is a problem with the short lifespan of hoses, and we have adopted wear-resistant hoses with ceramic beads embedded in the inner surface. Although the hose body has significantly extended its lifespan by 2 to 3 times, localized wear at the connection with the fittings has become an issue. Issues: 1. The rubber section with embedded ceramic beads is lined on the inner surface of the hose up to the fitting's mouth, causing the conveyed materials to come into contact with the rubber lining cross-section. The inner diameter of the rubber lining with embedded ceramic beads is smaller than that of the existing piping. 2. The conveyed materials that come into contact with the hose wear against the rubber section behind the ceramic beads, causing the ceramic beads to detach and exposing the connection fittings. As a result, the lifespan of the connection section is significantly shorter compared to the hose body. 3. By increasing the wear resistance near the connection fittings, we can extend the overall lifespan of the hose.
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basic information
Insert a ceramic ring into the rubber lining section of the connection (see diagram below) to prevent contact between the conveyed material and the rubber lining at the inlet. Points: 1. Design the thickness of the ring so that the existing pipe diameter contacts the ceramic ring. 2. Use a ceramic ring instead of metal reinforcement, as metal wears out quickly, considering cost as well.
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