3results about How to "Reduce frequent replacement" patented technology

The utility model relates to the technical field of nickel carbonate production, concretely to reaction material conveying pipeline of nickel carbonate, including feed conveying subassembly and additional conveying subassembly, feed conveying subassembly includes first conveying pipe, and the top of first conveying pipe outer wall and the position close to left end are equipped with feed pipe, and first conveying pipe is equipped with detachable first wear -resistant lining pipe in, and the outer wall of first wear -resistant lining pipe is equipped with the feed port of communication with feed pipe, and the left end of first conveying pipe is equipped with anti -blocking flow guide subassembly, and additional conveying subassembly includes the second conveying pipe of communication with first conveying pipe, and second conveying pipe is equipped with detachable second wear -resistant lining pipe in. The reaction material conveying pipeline of nickel carbonate, through adopting detachable wear -resistant lining pipe, directly contacts corrosive medium and solid particles in nickel carbonate slurry, effectively resists chemical corrosion and mechanical wear and tear, greatly prolongs the service life of pipeline, reduces the frequent replacement problem of conveying pipeline due to the inner wall damage.

The utility model relates to the technical field of mobile phone shell, concretely relates to a high strength mobile phone shell, the mobile phone shell includes the casing for containing mobile phone, the casing includes the frame and the coating that fits in the frame openwork department, the coating includes the wear -resisting layer, first fiber layer, second fiber layer and third fiber layer that set up in order from top to bottom laminated, the wear -resisting layer is used for wear -resisting scratch, first fiber layer and third fiber layer are used for promoting the strength of coating, second fiber layer is used for absorbing impact energy. The utility model aims at providing a kind of high strength mobile phone shell, through the laminated structure design of uniqueness, the combination of wear -resisting layer and multilayer fiber layer, not only promote the strength and wear resistance of mobile phone shell, but also effectively absorb impact energy, thereby in the protection mobile phone, prolong the service life of mobile phone shell.

The utility model discloses a kind of pultrusion mould, it is related to mould manufacturing technical field, the pultrusion mould includes mould body and coating layer, mould body is equipped with cavity;Coating layer includes laminatedly arranged adhesive layer, intermediate lubricating layer and wear-resistant lubricating layer, adhesive layer covers the surface of cavity.The utility model aims at improving the demoulding performance of pultrusion mould, reduce surface wear, reduce maintenance cost.