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Understanding Tubular Drag Chain Conveyors

Understanding Tubular Drag Chain Conveyors
2 Jan 2024  |
Engineers constantly seek innovative solutions in dry material handling that combine efficiency, reliability, and low maintenance. Tubular drag chain conveyors, a modern engineering marvel, have emerged as a versatile and efficient means of transporting bulk materials in various industries. This article explores tubular drag chain conveyors' mechanics, applications, and myriad advantages in dry material handling processes.

Tubular drag chain conveyors, also known as tubular drag conveyors or tube chain conveyors, are a modern marvel of engineering. They are designed to transport bulk materials enclosed within a sealed tube or casing, offering a unique and highly efficient method for dry material handling. The core components of a tubular drag chain conveyor include a flexible chain with discs or paddles that move through the tube, gently conveying materials with minimal degradation.

Applications of Tubular Drag Chain Conveyors

Tubular drag chain conveyors find extensive use in various industries:

  • Food and Beverage Industry: These conveyors efficiently handle various products, from grains and cereals to fragile snacks and powdered ingredients. Their gentle handling ensures product integrity and prevents damage.
  • Chemical and Pharmaceutical Industries: They are suitable for handling various dry chemicals and pharmaceutical materials. Their sealed design prevents contamination and maintains product quality.
  • Agriculture and Feed Processing: Dry grains, seeds, and feed components are efficiently transported by tubular drag chain conveyors. They are ideal for preserving the nutritional value of delicate agricultural products.
  • Specialty Chemicals and Minerals: Tubular drag chain conveyors are adept at handling abrasive and fragile materials such as specialty chemicals, minerals, and ceramics, minimizing material degradation.

Advantages of Tubular Drag Chain Conveyors in Dry Material Handling

Tubular drag chain conveyors offer numerous advantages:

  • Minimal Material Degradation: They are renowned for their gentle material handling. The enclosed tube design minimizes breakage, ensuring the preservation of material integrity.
  • Dust-Free Operation: The sealed casing effectively contains dust, preventing environmental contamination and ensuring a clean and safe working environment.
  • Versatility: These conveyors can accommodate various materials, sizes, and shapes, making them suitable for various dry material handling applications.
  • Energy Efficiency: Tubular drag chain conveyors have energy-efficient features, such as low-friction materials and optimized chain and paddle designs, reducing power consumption.
  • Reduced Maintenance: With fewer moving parts and simplified maintenance requirements, tubular drag chain conveyors are cost-effective in the long run, reducing downtime and maintenance costs.
  • Hygienic Design: In the food and pharmaceutical industries, tubular drag chain conveyors meet stringent hygiene standards thanks to their easy-to-clean surfaces and sealed construction.
  • Customization: Engineers can tailor tubular drag chain conveyors to meet specific material handling needs, incorporating features like variable speed drives and wear-resistant components.


Tubular drag chain conveyors represent a revolution in dry material handling, offering engineers an efficient, reliable, and low-maintenance solution for transporting bulk materials. Their ability to minimize material degradation, maintain a dust-free operation, and accommodate various materials of different shapes and sizes makes them indispensable in industries such as food, chemicals, agriculture, and pharmaceuticals.

For dry process engineers, tubular drag chain conveyors offer numerous advantages, including energy efficiency, customization options, reduced maintenance, and hygienic design. By choosing these conveyors, engineers can ensure gentle and efficient material transport, lower maintenance costs, and uphold the highest product quality standards. Ultimately, tubular drag chain conveyors are a testament to innovation in dry material handling, contributing to improved overall process efficiency and productivity.

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