TBS Interference Sorting Bed for Precise Density-Based Mineral Sorting The TBS (Teetered Bed Separator) Interference Sorting Bed is an advanced gravity separation technology designed for precise density-based mineral sorting. It operates on the principle of hindered settling, where particles are separated based on differences in density and size within a fluidized bed of water and suspended solids. This method is highly effective for processing fine and coarse particles, offering superior efficiency in mineral beneficiation applications. Working Principle The TBS system consists of a vertical separation chamber filled with water and a controlled upward flow of fluid. The feed material is introduced into the chamber, where it interacts with the rising water current. Particles with higher densities settle faster due to gravity, while lighter particles are carried upward by the fluid flow. The interference between particles creates a teetered bed—a dynamic zone where particles of different densities stratify. The key to the TBS’s effectiveness lies in its ability to maintain a stable teetering zone. By adjusting the upward water velocity and bed density, operators can fine-tune the separation process to target specific minerals. The denser particles accumulate at the bottom and are discharged as underflow, while the lighter particles exit as overflow. Advantages 1. High Precision – The TBS provides sharp density-based separation, making it ideal for minerals with close specific gravities. 2. Versatility – It can process a wide range of particle sizes (typically 0.1–50 mm) without requiring extensive pre-classification. 3. Low Energy Consumption – Unlike froth flotation or magnetic separation, the TBS relies on gravity and hydraulic forces, reducing operational costs. 4. Minimal Chemical Use – The process is environmentally friendly, as it primarily uses water and does not require harmful reagents. 5. Scalability – The technology can be adapted for both small-scale and large-scale mineral processing plants. Applications The TBS Interference Sorting Bed is widely used in coal preparation, iron ore beneficiation, and the recovery of heavy minerals such as chromite, tungsten, and tin. It is particularly effective in removing impurities like shale from coal or silica from iron ore, improving product quality. Conclusion The TBS Interference Sorting Bed is a robust and efficient solution for density-based mineral separation. Its ability to deliver precise sorting with minimal energy and chemical inputs makes it a preferred choice in modern mineral processing. By optimizing particle stratification through controlled fluid dynamics, the TBS enhances recovery rates and product purity, contributing to sustainable and cost-effective mineral extraction.