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As an emerging conveying device in the conveying industry, pipe chain conveyors have been applied in an increasing number of industries. The tube chain conveyor is a continuous conveying device for bulk materials such as powders, small granules, and small pieces. It can convey materials in horizontal, inclined, and vertical configurations. Inside a closed pipeline, chain links are used as driving elements to move the material along the pipeline. When transported horizontally, the material particles are pushed by the chain links in the direction of motion. When the internal friction between the layers of material is greater than the external friction between the material and the pipe walls, the material moves forward along with the chain links, resulting in a stable material flow ； During vertical transport, the material particles inside the tube are pushed upward by the force exerted by the chain links. Since the material at the lower part prevents the material above from sliding down, a lateral pressure is generated, which increases the internal friction between the particles. When the internal friction between the particles is greater than the external friction between the particles and the inner wall of the tube, as well as the weight of the particles themselves, the materials are transported upward along with the chain links, resulting in a continuous flow of material. It has the following features: 1. It has a compact structure, allowing the conveying direction to be changed in three dimensions. 2. Fully enclosed conveying system, with no dust leakage, ensuring cleanliness and environmental protection. 3. During material transportation, it has the lowest energy consumption, thereby minimizing operating costs. 4. The maximum horizontal conveying distance is 60 meters, and the maximum lifting height is 40 meters. The maximum capacity can reach m3/h. 5. The delivery pipeline has no dead zones. 6. No metal-to-metal friction, minimizing noise to the greatest extent possible. 7. Low maintenance costs. 8. Long service life. 9. Explosion-proof design and airtight design. 10. Restarting is possible. 11. Ensure the integrity of materials to the greatest extent possible. 12. Positive-displacement conveying devices can be used for transporting and measuring materials. It facilitates centralized control, increases the level of automation, and meets the environmental protection requirements of modern enterprises. 13. It has a compact structure that occupies little space, and the direction of transportation can be changed in three dimensions. 14. The material being conveyed remains in a sealed state between the inlet and outlet flanges. A dust collector is not necessary at the outlet. Gas can be filled in while transporting materials. It ensures that no dust is released into the environment during transportation. 15. The material is transported smoothly along the pipe with little internal movement, resulting in minimal damage to the material; the slow conveyance through curves causes only a few material particles to become fragmented. 16. Depending on the feeding conditions, the inlets can be more than 10 meters apart. 17. The sprocket features an optimized shoulder and a refined design; the use of hardened chains results in minimal wear. 18. Special conveyor trays with an extremely low friction coefficient and stable conveying capacity. 19. All the tube chain conveyors we produce use self-developed calculation programs to ensure that various components such as the conveyor tubes and bending parts maintain the necessary static friction and tension, providing high-precision data for designing systems with low noise and low wear.