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Order Code |
Product Name |
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L-01-12-M06 |
Stainless Steel Pilot Turbine Extraction Tower for Hydrometallurgy Testing |
The Stainless Steel Pilot Turbine Extraction Tower is a differential continuous contact extraction equipment designed for pilot-scale liquid-liquid separation and mass transfer experiments. Featuring an axial segmented tower structure with multiple static ring sieve plates and turbine rotor mixers, the equipment divides the internal tower space into independent theoretical mixing stages.
Driven by central rotating shafts, turbine impellers generate strong shear turbulence to disperse liquid droplets and enhance interphase mass transfer. Compared with conventional rotating disc towers, the turbine mixing structure provides stronger stirring performance, improved droplet uniformity and reduced axial backmixing.
The continuous counter-current two-phase flow design enables light phase upward movement and heavy phase downward movement, achieving multi-stage extraction operation. The system consists of upper and lower oil-water separators, tower body, rotating disc system, feeding system and electric control system, providing pilot-scale verification capability for hydrometallurgy and chemical process development.
The Stainless Steel Pilot Turbine Extraction Tower supports laboratory-to-pilot workflows including mineral sample preparation, metallurgical testing, mineral analysis and hydrometallurgical process evaluation.
The equipment performs continuous purification and impurity removal of leachate and crude process liquids. Stable multi-stage counter-current mixing and separation provide consistent treated liquid samples for subsequent mineral composition detection and content analysis.
The tower is applied for impurity separation and valuable metal process evaluation in nickel and cobalt metallurgy. It supports zinc removal from nickel-cobalt solutions and uranium recovery from leachate and crude phosphoric acid liquid, helping technicians evaluate extraction performance and optimize continuous process conditions.
The pilot turbine extraction tower simulates industrial continuous tower-type extraction processes. It reduces scale-up effects and provides hydrodynamic and mass transfer data for industrial process design and production amplification. The equipment is also suitable for fine chemical, petrochemical and environmental liquid separation applications.
The turbine mixing components strengthen liquid shear dispersion, improve single-stage theoretical plate mass transfer efficiency and effectively reduce axial backmixing for stable extraction performance.
The porous sieve-type static ring structure optimizes two-phase contact conditions, maintains suitable dispersed phase retention and improves overall separation stability.
Independent compartment circulation creates stable internal flow conditions in each mixing zone, supporting reliable parameter conversion from pilot testing to industrial production.
Optimized turbine hydrodynamic design generates consistent droplet size distribution and improves mixing efficiency for suitable liquid-liquid extraction systems.
The equipment supports medium and high-flux pilot testing requirements. The turbine mixing structure can also adapt to gas-liquid reaction scenarios, expanding application flexibility.
Tower inner diameter and height can be configured according to material properties and process requirements, providing adaptable solutions for different pilot operation conditions.
| Parameter Item | Technical Data |
|---|---|
| Main Equipment Material | 304 Stainless Steel, 316L Stainless Steel, 2205 Duplex Steel |
| Structural Composition | Upper & Lower Oil-Water Separator, Tower Body, Rotor System, Feeding System, Electric Control System |
| Working Mode | Continuous counter-current two-phase extraction |
| Core Structure | Multi-stage static ring compartment + turbine dynamic mixing |
The tower body size is customizable according to process parameters, material fluidity and handling capacity requirements. Different stainless steel grades, including 304, 316L and 2205 duplex steel, can be selected based on liquid corrosiveness, temperature and medium characteristics to improve equipment durability and operational compatibility.
FKN PANDA Stainless Steel Pilot Turbine Extraction Tower provides reliable experimental performance through optimized turbine shear mixing and segmented static ring compartment design. Stable mass transfer conditions reduce uneven droplet distribution and support repeatable data collection for hydrometallurgical separation studies.
The stainless steel structure and rotating shaft transmission system provide operational reliability for continuous pilot testing. Stable hydrodynamic performance helps maintain consistent extraction conditions during extended process evaluation.
Continuous counter-current operation enables multi-stage extraction testing with reduced manual intervention. The low scale-up effect helps shorten process development cycles and supports transition from pilot verification toward industrial production.
Designed for mining and metallurgical workflows, the equipment is suitable for hydrometallurgical metal separation, leachate purification, nickel-cobalt process evaluation and related chemical separation studies.
Customizable dimensions and corrosion-resistant material options help optimize investment efficiency, reduce maintenance requirements and provide a scalable pilot extraction solution for metallurgical pilot plants and research laboratories.
Q1. How to select a stainless steel pilot-scale extraction column for hydrometallurgical SX development?
Selecting a stainless steel pilot-scale extraction column requires evaluation of process chemistry, operating conditions, testing objectives, and future scale-up requirements. Key considerations include solvent compatibility, column configuration, flow requirements, internal structure, and instrumentation needs. For hydrometallurgical research, the equipment should support representative investigation of mass transfer, phase behavior, and extraction performance. A suitable pilot column helps bridge laboratory studies and industrial process development by providing reliable operational data for flowsheet optimization, equipment evaluation, and metallurgical decision-making.
Q2. Which process chemistries are compatible with stainless steel construction in pilot SX columns?
Compatibility between stainless steel construction and solvent extraction chemistry depends on the composition of the organic and aqueous phases, temperature, operating conditions, and exposure duration. Stainless steel is commonly considered for many industrial and pilot applications, but material selection should always be evaluated according to the specific hydrometallurgical environment. Engineers should review chemical resistance requirements, potential corrosion risks, and surface treatment considerations before selecting equipment. Proper material evaluation helps maintain stable operation during pilot testing of copper, nickel, cobalt, rare earth, and other solvent extraction processes.
Q3. What factors should be considered when specifying column aspect ratio and internals for pilot SX columns?
Column geometry and internal design directly influence liquid distribution, phase contact, residence time, and mass transfer performance. When specifying a pilot stainless steel extraction column, engineers should consider the relationship between column dimensions, flow characteristics, extraction objectives, and the required test scale. Internal components such as packing, plates, or other contacting structures should be selected according to the process requirements. Proper design evaluation supports more representative pilot testing and helps generate useful data for process simulation, optimization, and scale-up to larger solvent extraction systems.
Q4. How does internals design affect mass transfer in stainless steel pilot extraction columns?
The internal structure of an extraction column plays an important role in controlling phase dispersion and improving contact between organic and aqueous phases. Different internal designs can influence mixing behavior, droplet formation, separation characteristics, and overall mass transfer performance. During pilot-scale hydrometallurgical studies, selecting appropriate internals helps engineers evaluate extraction kinetics and stage efficiency under controlled conditions. The design should match the physical properties of the process fluids and the objectives of the SX test program to obtain meaningful technical data.
Q5. How to integrate a stainless steel pilot extraction column into a continuous SX pilot plant circuit?
Integration of a stainless steel pilot extraction column into a continuous SX circuit requires careful consideration of feed preparation, organic and aqueous flow paths, phase separation, monitoring points, and sampling procedures. The column should operate as part of a complete metallurgical workflow, allowing researchers to evaluate extraction, scrubbing, and stripping performance where applicable. Proper circuit configuration helps laboratories study process stability and optimize operating parameters before industrial implementation. Pilot testing provides valuable information for validating process concepts and supporting scale-up decisions.
Q6. Which parameters most influence HTU and stage efficiency in pilot stainless steel columns?
HTU and stage efficiency are influenced by various operational and design parameters, including phase flow rates, physical properties of liquids, column internals, residence time, and operating conditions. In pilot solvent extraction studies, engineers evaluate these factors to understand mass transfer behavior and improve process performance. Accurate monitoring of operating variables and consistent testing procedures are important for obtaining reliable results. These evaluations support hydrometallurgical process development by providing technical information for equipment optimization and industrial-scale design considerations.
Q7. How to validate stainless steel column design for long-term chemical resistance in SX service?
Validation of stainless steel column design requires reviewing the process chemistry, operating environment, material selection, and expected service conditions. Engineers typically consider corrosion resistance, surface treatment, fabrication quality, and inspection requirements when assessing suitability for continuous SX operation. Long-term performance evaluation is especially important for pilot campaigns where equipment reliability affects the quality of metallurgical data. Proper design validation helps reduce operational risks and supports stable testing during mineral processing research and process development activities.
Q8. What maintenance and inspection requirements are critical for stainless steel pilot extraction columns in continuous operation?
Maintenance and inspection of stainless steel pilot extraction columns focus on monitoring structural condition, internal components, connections, and areas exposed to process fluids. Regular checks help identify issues related to corrosion, deposits, wear, or changes in operating performance. For continuous hydrometallurgical testing, maintaining clean flow paths and reliable instrumentation is important for consistent results. A planned maintenance approach supports laboratory productivity, extends equipment service life, and helps ensure reliable operation during long-term pilot-scale solvent extraction studies.
Q9. How to reduce experimental error when evaluating SX performance in pilot stainless steel extraction towers?
Reducing experimental error requires consistent control of operating conditions, accurate measurement, and standardized test procedures. Important factors include maintaining stable flow distribution, monitoring phase behavior, controlling sampling methods, and recording relevant process parameters. Pilot-scale SX studies should also consider differences between laboratory and industrial conditions when interpreting results. A properly operated stainless steel extraction tower provides more reliable information for evaluating extraction behavior, optimizing flowsheets, and supporting technical decisions during hydrometallurgical project development.
Q10. How to scale up from stainless steel pilot extraction column results to full-scale industrial SX tower design?
Scaling up from pilot extraction column results requires analysis of mass transfer behavior, flow characteristics, residence time, phase distribution, and process performance under different operating scales. Pilot data helps engineers understand equipment behavior and identify important design parameters for larger systems. Successful scale-up requires careful comparison between pilot conditions and industrial requirements while considering differences in capacity and operating environment. Reliable pilot testing provides technical support for process design decisions and helps reduce uncertainty during transition toward commercial solvent extraction applications.
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