The production process adopts core mold vibration. This process uses semi-dry rigid concrete. The vertical cloth inner mold vibrates and is radially extruded. During the molding process, the concrete is compacted with a good vibration force by adjusting the vibration and amplitude of the inner mold. C50 high-strength pipe body concrete is obtained, which makes the pipeline's anti-load capacity and impermeability better than that of centrifugal and suspension roll processes. At the same time, the stern tube reinforced mesh protection layer of this process is uniform, and there will be no centrifugal, suspension roll process reinforcement mesh displacement, jump bars, parallel bars, loose bars, etc., which guarantees the service life of the pipe for 50 years.
Since the vertical core mold vibrating pipe manufacturing process uses two internal and external pipe molds, the rigidity of the mold is very good and it is not easy to deform, and only one set of mold is required for one specification. Therefore, the roundness and diameter of the formed stern tube are standard. There is no closing seam, and the smoothness of the inner wall of the tube is significantly improved compared with the centrifugal process and the suspension roll process. In addition, the vertical core-mold vibration pipe-making process re-rotates the concrete in the axial direction after the concrete feed is finished, which more effectively increases the strength and verticality of the nozzle, and the construction and installation are smooth.
Good rigidity and interface sealing:
Dry and hard concrete is densely formed; the steel frame is made by roll welding with good rigidity; the joints are connected by rubber rings, which have strong impermeability, high pressure load, good interface sealing, and convenient installation and installation.
Flexible basic processing:
The flexible rubber ring is used to connect with large elasticity, and the pipeline foundation has good resistance to deformation, and no concrete cushion is needed.
Widely used in various municipal, industrial and mining enterprises' drainage and sewage pipeline engineering projects.
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