The CWL50-M centrifugal extractor, independently developed by Zhengzhou Tiei Extraction Technology Co., Ltd., is a high-efficiency separation equipment designed for small to medium flow liquid-liquid extraction processes. It is widely used in fine chemicals, hydrometallurgy, environmental resource recovery, pharmaceuticals, and new energy materials. The equipment is particularly suitable for continuous extraction and separation in laboratory scale pilot plant tests.
The CWL50-M centrifugal extractor adopts an advanced annular-gap top-suspension design, with the rotor drum supported from the top. This eliminates bottom bearings and mechanical seals in the processing zone, fundamentally preventing the leakage risks commonly found in traditional equipment, and significantly enhancing operational safety and reliability. Its core working principle is based on the strong centrifugal force generated by high-speed rotation, enabling rapid liquid–liquid mixing and mass transfer, followed by instantaneous phase separation. The feed materials have a very short residence time inside the machine, ensuring high mass transfer efficiency, clear and thorough phase separation, and effectively reducing entrainment and solvent loss
| CWL50-M Specifications | |
| Processing Capacity | 5-50L/h |
| Single-Stage Footprint | 0.4m*0.37m |
| Operation Method | Continuous feeding and discharging |
| Cascade Expansion | Supports multi-stage cascade for countercurrent extraction |
| Drive Control | Variable frequency speed regulation for precise speed adjustment |
| Main Body Material | Optional corrosion-resistant materials such as fluoroplastics and polymer composites |
| Control System | Supports PLC automatic control, remote monitoring, and data logging |
The equipment has a processing capacity of 5–50 L/h, with a footprint of just 0.4 m × 0.37 m, featuring a compact structure that is easy to integrate into existing process systems. It supports continuous feeding and discharging and can be configured for multi-stage counter-current operation to meet different process requirements for extraction stages. With a variable-frequency speed control system, the rotation speed can be precisely adjusted, enabling flexible adaptation to liquid–liquid systems of different densities and viscosities. This ensures stable and efficient separation performance even under complex operating conditions.
For material configuration, the parts in contact with the process media can be made of fluoropolymer or advanced polymer composites, depending on the corrosiveness of the medium. This ensures long-term stable operation of the equipment in environments involving strong acids, strong alkalis, and organic solvents. In addition, the centrifugal extractor supports PLC-based automatic control, enabling remote monitoring, data logging, and fault alarms, fully meeting the automation requirements of modern intelligent factories.
As an important production of the Tiei Extraction CWL-M series centrifugal extractor, the CWL50-M is not only suitable for typical processes such as nickel and cobalt extraction, high-purity manganese sulfate preparation, copper etching solution recovery, and antibiotic extraction, but also stands out for its standardized design, user-friendly operation, and low maintenance costs. These advantages make it an ideal choice for research institutes and production enterprises to carry out process verification and scale-up.
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Email: sales@tieiextraction.com
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