Order Code	Product Name
L-01-11-M10	Laboratory Vertical Ring High Gradient Magnetic Separator for Mining Testing

Laboratory Vertical Ring High Gradient Magnetic Separator

Brief Introduction

The FKN PANDA Laboratory Vertical Ring High Gradient Magnetic Separator is a high-precision wet magnetic separation device engineered for fine and ultra-fine weakly magnetic mineral beneficiation tests. Adopting a low-voltage, high-current excitation system combined with an internal dual-circulation water cooling structure, the equipment provides rapid heat dissipation and stable magnetic field output for long-duration laboratory testing.

Featuring an optimized magnetic circuit, professional magnetic matrix arrangement, and vertical rotating ring structure with reverse flushing design, this equipment achieves efficient separation of fine mineral particles while reducing matrix blockage during operation. The integrated slurry pulsation mechanism improves particle dispersion and separation consistency, supporting particle sizes down to 2 μm. It is widely used for mineral processing research, impurity purification, and hydrometallurgical pretreatment evaluation in mining and metallurgical laboratories.

Application Scope

This high gradient magnetic separator supports professional laboratory workflows including mineral sample preparation, mineral analysis, metallurgical testing, and hydrometallurgical pretreatment.

In mineral sample preparation, it performs wet magnetic separation and impurity removal for weakly magnetic metallic ores. The equipment separates fine valuable minerals from gangue materials and produces purified samples for subsequent component analysis and grade evaluation.

In mineral analysis and metallurgical testing, the separator is applied to magnetic beneficiation feasibility studies. Operators can evaluate processing conditions including slurry concentration, feed fineness, and magnetic field intensity to establish reliable experimental data for beneficiation process development.

In hydrometallurgy applications, it provides ore slurry pre-purification by removing magnetic impurity particles that may affect downstream leaching and extraction experiments. This helps maintain consistent laboratory test conditions and improves experimental repeatability.

Features

Stable Magnetic Field Output with Water Cooling System

The low-voltage high-current excitation system combined with dual-circulation inner water cooling structure enables rapid coil heat dissipation and stable magnetic field operation. The equipment operational availability exceeds 98% for continuous laboratory use.

High Gradient Magnetic Separation Performance

The optimized magnetic circuit and precise magnetic matrix arrangement generate uniform high-gradient magnetic fields, with optional magnetic field strength up to 1.7T, meeting laboratory separation requirements for difficult-to-process weakly magnetic minerals.

Anti-Blocking Rotating Ring Structure

The vertical rotating ring and reverse concentrate flushing structure allow coarse particles to bypass the magnetic matrix, reducing blockage risk and minimizing cleaning interruptions during repeated testing.

Adjustable Pulsation Control

The built-in pulsation system provides flexible stroke and frequency adjustment, improving mineral particle dispersion and stratification under combined mechanical and hydraulic forces for consistent separation results.

Wide Particle Size Adaptability

The equipment supports conventional fine mineral processing and ultra-fine separation applications down to 2 μm, covering diversified laboratory magnetic separation research requirements.

Low Maintenance Laboratory Operation

The dedicated coil pipeline cleaning system simplifies daily maintenance procedures. Durable coil components provide a service life of more than 10 years, reducing long-term operational investment.

Specification

Parameter	FKN-Lon-500 (1.3T) Standard Model	FKN-Lon-500 (1.7T) High-Strength Model
Rotating Ring Outer Diameter	500 mm	500 mm
Rotating Ring Rotation Speed	0.3–3 r/min	0.3–3 r/min
Feed Particle Size	-1.3 mm (-200 mesh: 30–100%)	-1.3 mm (-200 mesh: 30–100%)
Feed Slurry Concentration	10–40%	10–40%
Slurry Handling Capacity	0.2–0.5 m³/h	0.2–0.5 m³/h
Dry Ore Processing Capacity	0.03–0.125 t/h	0.03–0.125 t/h
Rated Background Magnetic Field Strength	1.3 T	1.7 T
Rated Excitation Current	1700 A	1900 A
Rated Excitation Voltage	0–80 V	0–80 V
Rated Excitation Power	29 kW	48 kW
Rotating Ring Motor Power	0.18 kW	0.18 kW
Pulsation Motor Power	0.37 kW	0.37 kW
Pulsation Stroke	0–30 mm	0–30 mm
Pulsation Frequency	0–400 times/min	0–400 times/min
Required Water Supply Pressure	0.2–0.4 MPa	0.2–0.4 MPa
Flushing Water Consumption	0.75–1.5 m³/h	0.75–1.5 m³/h
Cooling Water Consumption	1–1.5 m³/h	1–1.5 m³/h
Maximum Single Component Weight	0.5 t	0.5 t
Overall Dimensions (L×W×H)	1850×1450×1350 mm	1850×1450×1400 mm

Other Specification for Option

Two model configurations are available according to different laboratory testing requirements. The 1.3T standard model is suitable for conventional fine magnetic mineral separation and routine beneficiation condition tests. The 1.7T high-strength model provides increased excitation current and power for higher magnetic gradient requirements in weakly magnetic mineral separation research.

Both models maintain consistent structural dimensions, pulsation parameters, and processing capacity, allowing flexible equipment selection while maintaining unified laboratory workflow compatibility.

Why Choose FKN PANDA

FKN PANDA Laboratory Vertical Ring High Gradient Magnetic Separator provides reliable testing accuracy. Stable water-cooled excitation maintains consistent magnetic field output, while adjustable pulsation parameters create controlled separation conditions for repeatable mineral testing results.

It delivers excellent operational reliability. The anti-blocking rotating ring structure, dual-circulation cooling system, and durable coil components support continuous laboratory operation while reducing maintenance requirements during frequent testing cycles.

The equipment improves laboratory efficiency. Wide adjustment ranges for magnetic field strength, pulsation parameters, and slurry conditions allow laboratories to evaluate different mineral samples without frequent equipment replacement.

It offers strong mining workflow compatibility. Designed according to industrial high gradient magnetic separation principles, it integrates into mineral sample preparation, fine mineral purification, beneficiation testing, and hydrometallurgical pretreatment workflows.

With durable components and two optional magnetic field configurations, the equipment provides an economical solution for global mining and metallurgical laboratories requiring stable, repeatable, and scalable magnetic separation testing performance.

Laboratory Pulsating High Gradient Magnetic Separator – FAQ

Q1. How does pulsating slurry flow improve capture efficiency for weakly magnetic minerals in high-gradient magnetic separation?

Pulsating slurry flow helps improve the interaction between weakly magnetic mineral particles and the high-gradient magnetic matrix by creating periodic movement within the separation zone. This dynamic flow can enhance particle contact with the matrix while reducing excessive non-magnetic particle retention. In mining laboratories, pulsating high-gradient magnetic separation is commonly evaluated for fine-grained ores where conventional magnetic separation may have limited selectivity. The testing process supports mineral processing studies by providing technical information for flowsheet development, including the evaluation of weakly magnetic minerals during mineral testing and metallurgical assessment.

Q2. What factors should be considered when selecting matrix filling material for a laboratory pulsating high-gradient magnetic separator?

Matrix selection is an important consideration because it influences magnetic field distribution, particle capture behavior, and slurry flow conditions. Laboratories should evaluate factors such as target mineral properties, particle size range, liberation characteristics, and the separation objective when selecting matrix configurations. Different matrix structures may provide different retention characteristics for weakly magnetic minerals. Proper matrix selection helps ensure that laboratory test results represent actual mineral behavior and provides reliable data for process evaluation, equipment comparison, and optimization of magnetic separation conditions.

Q3. Can a pulsating HGMS achieve effective separation of hematite from quartz in finely ground iron ore samples?

A laboratory pulsating high-gradient magnetic separator can be used to evaluate the separation behavior of weakly magnetic minerals such as hematite from non-magnetic gangue minerals including quartz. The effectiveness of separation depends on factors such as mineral liberation, particle size distribution, magnetic susceptibility, slurry conditions, and operating parameters. During iron ore beneficiation studies, laboratory HGMS testing provides valuable information for assessing upgrading potential and developing suitable processing strategies before larger-scale evaluation. Test results can support metallurgical decisions related to mineral recovery and concentrate quality requirements.

Q4. How to optimize pulsation frequency for minimizing non-magnetic particle entrapment in the matrix?

Pulsation frequency optimization requires balancing particle movement, magnetic capture, and matrix cleaning behavior. An appropriate pulsation condition can improve slurry circulation through the matrix and reduce the tendency of non-magnetic particles to remain trapped. Laboratory testing is typically performed by adjusting operating parameters while monitoring separation results, concentrate characteristics, and matrix behavior. This systematic evaluation helps mineral processing engineers understand the relationship between pulsation conditions and separation selectivity, supporting more reliable test programs for weakly magnetic ore samples.

Q5. What factors should be considered when establishing high-gradient magnetic separation capability in a new metallurgical testing laboratory?

Establishing HGMS testing capability requires consideration of mineral application requirements, sample characteristics, testing objectives, laboratory workflow, and future research needs. Key factors include the types of ores to be evaluated, expected particle size range, required separation stages, and integration with existing sample preparation and analytical procedures. A properly selected pulsating high-gradient magnetic separator can support mineral testing from prepared ore samples through metallurgical evaluation, helping laboratories generate technical data for process development, equipment replacement studies, and laboratory expansion projects.

Q6. How does background magnetic field strength affect weakly magnetic mineral recovery?

Background magnetic field strength is a key parameter affecting the attraction and retention of weakly magnetic mineral particles during HGMS testing. The appropriate field condition depends on mineral magnetic properties, particle size, and separation objectives. In laboratory studies, engineers evaluate magnetic field settings together with matrix configuration and slurry conditions to understand recovery and selectivity behavior. This approach helps determine suitable operating ranges for different mineral applications, including iron ore, manganese, rare earth, tungsten, and other weakly magnetic mineral processing studies.

Q7. What are the differences in separation performance between pulsating and non-pulsating high-gradient magnetic separators?

Pulsating and non-pulsating HGMS systems differ mainly in slurry movement characteristics within the magnetic separation zone. Pulsating systems introduce periodic flow variation, which can influence particle transport, matrix interaction, and separation selectivity, especially for fine mineral particles. Non-pulsating systems rely primarily on continuous slurry flow through the magnetic matrix. The selection between these approaches depends on mineral characteristics, testing objectives, and required separation performance evaluation. Laboratory comparison studies help engineers identify suitable separation methods during mineral processing research and flowsheet development.

Q8. What maintenance procedures are required for matrix cleaning and magnetic coil systems in continuous operation?

Regular maintenance is important for maintaining stable HGMS operation and reliable laboratory test results. Maintenance considerations typically include matrix cleaning procedures, inspection of slurry flow passages, monitoring of magnetic system components, and checking operating conditions according to equipment requirements. Effective cleaning helps prevent material buildup that may affect separation consistency, especially when processing fine or clay-containing mineral samples. Laboratories conducting continuous testing programs should establish routine inspection procedures to support equipment reliability and maintain repeatable results during long-term metallurgical evaluation.

Q9. What factors should be considered when sourcing pulsating HGMS equipment for an international mining laboratory project?

When sourcing pulsating HGMS equipment, mining laboratories should evaluate technical suitability, application requirements, equipment configuration, operating conditions, and long-term support considerations. Important factors include the types of minerals being studied, expected sample characteristics, testing workflow, and compatibility with existing laboratory processes. Procurement teams should also consider maintenance requirements, spare part availability, and technical communication during equipment selection. A suitable HGMS system can support mineral testing programs involving weakly magnetic minerals and provide valuable data for process optimization and metallurgical decision-making.

Q10. When should a mineral processing laboratory upgrade from standard HGMS to pulsating high-gradient magnetic separation?

A laboratory may consider upgrading to pulsating HGMS when existing magnetic separation methods cannot provide sufficient information for fine-grained or weakly magnetic mineral evaluation. The upgrade decision should consider research objectives, mineral characteristics, testing requirements, and future laboratory development plans. Pulsating HGMS can provide additional capability for studying particle movement, matrix interaction, and separation behavior under dynamic slurry conditions. This technology is particularly relevant for laboratories involved in advanced mineral processing studies, flowsheet optimization, and evaluation of complex ore resources.

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