Magnetic Separator

Wet & Dry Drum Magnetic Separator for Iron Ore Beneficiation & Impurity Removal

Magnetic Separator is a professional mineral separation equipment that separates magnetic minerals from gangue based on magnetic susceptibility difference. Mainly divided into wet low-intensity and dry high-intensity drum types, it features high magnetic field strength, non-degenerate magnet system, automatic separation and zero material blockage. Widely used for iron ore upgrading, tailings iron recovery and non-ferrous mineral iron impurity removal, it matches perfectly with ball mills and flotation machines to form complete beneficiation lines.

Anti-Blockage

Precise Grading

Energy-Saving

+86-19103863728

What is Magnetic Separator?

In traditional mineral processing, raw ores often contain mixed magnetic iron minerals and non-magnetic gangue. Ordinary separation equipment cannot effectively recycle fine iron powder or remove iron impurities thoroughly, resulting in low concentrate grade and serious resource waste. Most outdated magnetic separators have obvious defects: unstable magnetic field attenuation, low separation precision, easy slurry blockage, high power consumption and frequent maintenance, which greatly reduce mine economic benefits and resource utilization rate.
Our Drum Magnetic Separator completely solves the above industry pain points. It adopts high-quality rare earth permanent magnet system with super strong and non-fading magnetic force. The optimized drum rotary separation structure realizes automatic adsorption, separation and discharging of magnetic materials. Supporting flexible switching of wet and dry working modes, it can process various magnetic ores and remove iron impurities efficiently. With high recovery rate, stable operation and energy-saving design, it has become essential high-precision separation equipment for modern mining beneficiation projects.

Complete Machine Configuration & Composition of Magnetic Separator

1. High-Strength Permanent Magnet System, No Magnetic Attenuation

The magnetic core adopts high-performance rare earth permanent magnet material, with strong magnetic field intensity, uniform magnetic distribution and long service life. Compared with ordinary electromagnetic separators, it maintains stable magnetic force for more than 10 years without demagnetization, avoiding frequent magnet replacement. The unique magnetic circuit design greatly improves the adsorption capacity of fine magnetic particles, ensuring thorough separation effect.

2. Wet & Dry Dual-Mode Flexible Operation

This magnetic separator supports two independent working modes to adapt to different material conditions. Wet separation is suitable for water-based slurry processing of iron ore tailings and fine-grained magnetic minerals, with high separation precision and no dust; dry separation is applicable for bulk dry ore pre-selection and rough separation, no water consumption and lower operating cost. Dual-mode design covers all magnetic mineral processing scenarios.

3. Anti-Blockage Rotary Drum Separation Structure

Adopts streamlined rotary drum and non-stick material design. During operation, the drum rotates continuously to drive materials to flip and separate. Magnetic particles are firmly adsorbed on the drum surface and automatically scraped off, while non-magnetic gangue materials are discharged smoothly with no accumulation or blockage. It solves the common blockage problem of traditional magnetic separation equipment and ensures continuous high-efficiency production.

4. Adjustable Magnetic Intensity & Precise Grading

The magnetic field intensity can be adjusted freely according to ore grade and separation requirements, covering low-intensity iron ore purification and high-intensity weak magnetic mineral separation. Users can flexibly adjust rotating speed and feeding volume to control separation grade and recovery rate, meeting the precise processing standards of rough separation, fine separation and tailings recovery.

5. Wear-Resistant Anti-Corrosion Drum Body

The outer layer of the drum is coated with thick wear-resistant and anti-corrosion protective layer, which resists long-term friction of mineral particles and slurry erosion. The whole machine body is reinforced with thickened steel structure, with strong pressure resistance and stable mechanical performance. It can adapt to harsh outdoor mining environments and long-term high-load continuous operation.

6. Energy-Saving & Low Failure Rate Design

Permanent magnet structure requires no continuous power supply for magnetic field generation, greatly reducing energy consumption compared with electromagnetic equipment. The simplified transmission structure has fewer vulnerable parts and low mechanical failure rate. The fully sealed drive system avoids dust and water erosion, reducing daily maintenance frequency and operating cost.

Core Product Advantages of Magnetic Separator

1. High Magnetic Recovery Rate & High Concentrate Grade

The uniform high-strength magnetic field can fully capture fine-grained magnetic iron minerals that are easy to lose in traditional separation. The magnetic mineral recovery rate is increased by 5-10%, effectively improving iron concentrate grade and reducing tailings waste. It maximizes mineral resource utilization and significantly improves mine economic benefits.

2. Dual Working Modes & Ultra-Wide Adaptability

Integrating wet and dry separation functions in one machine, it can handle dry bulk ore and wet slurry materials. It is not only used for iron ore beneficiation upgrading, but also widely used for iron impurity removal of copper, zinc, quartz sand and other non-magnetic minerals, with strong versatility and wide application range.

3. Zero Blockage & Continuous Stable Production

The rotary drum self-cleaning structure ensures smooth material operation without adhesion or accumulation. It avoids frequent shutdown cleaning caused by blockage, greatly improving production continuity and operating efficiency. It is especially suitable for large-scale continuous beneficiation production lines.

4. Long Service Life & Low Maintenance Cost

Premium permanent magnet material achieves long-term non-demagnetization, with service life up to 10-15 years. The wear-resistant and anti-corrosion drum body reduces vulnerable parts replacement frequency. The simple mechanical structure lowers daily maintenance difficulty and long-term comprehensive operating cost.

5. Energy-Saving & Eco-Friendly Operation

Permanent magnet passive magnetic generation saves a lot of electric energy compared with electromagnetic equipment. Wet separation adopts closed water circulation with zero wastewater discharge; dry separation operates without dust overflow, meeting global environmental protection standards for mining production.

6. Simple Operation & Intelligent Control

Equipped with intelligent frequency conversion speed regulation system, supporting one-key start and automatic operation. The separation parameters can be adjusted according to real-time material conditions, realizing standardized and intelligent beneficiation production. Low operation threshold, saving manual labor cost.

Working Principle & Production Flow of Magnetic Separator

Working Principle

The Magnetic Separator adopts magnetic susceptibility difference separation principle. Materials are evenly fed into the separation area. Under the action of high-strength magnetic field, magnetic minerals are strongly attracted by the drum surface, while non-magnetic gangue and impurities are not affected by magnetic force.
With the continuous rotation of the drum, magnetic mineral particles are adsorbed on the drum and transported to the non-magnetic area, then automatically scraped off as concentrate products. Non-magnetic impurities are discharged directly with the material flow as tailings. Wet mode realizes slurry water-based separation, and dry mode completes dry material sorting, realizing efficient and automatic magnetic mineral separation and purification.

Standard Production Flow

Raw Ore Feeding → Uniform Material Distribution → Magnetic Field Adsorption Separation → Magnetic Mineral Collection → Non-Magnetic Gangue Discharge → Concentrate Purification & Collection → Tailings Recovery Processing

Application Scenarios of Magnetic Separator

Magnetic Separator is widely used in mineral processing, building materials, chemical industry and tailings recycling fields. It is the core equipment for iron ore beneficiation, magnetite and hematite purification, and iron tailings secondary recovery. It can also effectively remove iron impurities from quartz sand, feldspar, copper ore, zinc ore and other non-magnetic minerals, improving finished material purity. It is suitable for various small, medium and large mining beneficiation plants and industrial material purification projects.
Core Application Fields: Iron ore upgrading and beneficiation, tailings iron resource recovery, non-metallic mineral iron removal, industrial raw material purification, solid waste resource utilization

Global Project Cases of Magnetic Separator

Case 1: Iron Ore Beneficiation Upgrading Project | Australia Mineral Plant

Project Info: The customer’s raw iron ore has low grade and serious fine mineral loss. Our wet high-intensity magnetic separator effectively captures fine-grained iron minerals, increasing iron concentrate grade and recovery rate significantly. The stable non-demagnetization performance ensures long-term continuous operation, greatly improving mine output and economic benefits.

Case 2: Quartz Sand Iron Removal Project | Malaysia Building Material Factory

Project Info: High-purity quartz sand requires strict iron impurity removal. Our dry magnetic separator thoroughly removes ferromagnetic impurities in quartz sand, improving sand purity and market value. The anti-blockage design ensures smooth production, with low energy consumption and stable operation, meeting high-standard building material processing requirements.

Case 3: Tailings Iron Recovery Project | South Africa Mining Plant

Project Info: A large amount of iron resources remain in mine tailings, causing resource waste. Our dual-mode magnetic separator realizes secondary recovery of tailings iron minerals. The flexible switching of wet and dry modes adapts to tailings material characteristics, maximizing resource utilization and creating additional profits for customers.
VSI Sand Maker
VSI Sand Maker

FAQs of Magnetic Separator

Q1: What is a magnetic separator used for?
A: Magnetic separator is professional mineral separation equipment, mainly used for magnetic iron ore beneficiation upgrading and iron impurity removal of non-magnetic minerals. It can effectively recover magnetic minerals and improve finished material purity and resource utilization rate.
Q2: What is the difference between wet and dry magnetic separator?
A: Wet magnetic separator is suitable for slurry wet separation with high precision, no dust, ideal for fine-grained ore; dry magnetic separator is used for dry bulk ore pre-selection with no water consumption and lower cost. We support dual-mode integrated customized configuration.
Q3: How long does the permanent magnet last?
A: Adopting high-quality rare earth permanent magnet material, the magnetic field is stable and non-degenerate, with a service life of more than 10 years, no frequent replacement required, reducing long-term operating costs.
Q4: What materials can magnetic separator process?
A: It is mainly applicable to magnetite, hematite, iron ore tailings and other magnetic minerals, as well as iron impurity removal for quartz sand, feldspar, copper ore, zinc ore and other non-magnetic materials.
Q5: Will the magnetic separator block during operation?
A: No. The optimized rotary drum self-cleaning structure prevents material adhesion and accumulation, ensuring smooth discharging without blockage, supporting 24-hour continuous stable production.

Technical Parameters of Magnetic Separator

Item
Specification
Machine Type
Wet Type / Dry Type Drum Magnetic Separator (Dual-mode customizable)
Magnetic Field Intensity
Low-intensity: 1000-3000GS / High-intensity: 3000-12000GS Adjustable
Processing Capacity
1 – 280 T/H (Different models)
Drum Diameter
600mm – 1500mm Customizable
Magnet Material
High-performance rare earth permanent magnet
Separation Recovery Rate
≥95% High separation efficiency
Working Mode
Wet slurry separation / Dry bulk separation optional
Operation Mode
Frequency conversion automatic speed regulation
Core Features
Non-demagnetization, anti-blockage, energy-saving, high precision
Applicable Materials
Magnetite, hematite, iron ore tailings, quartz sand, copper/zinc ore iron impurity removal
Application Industries
Mining beneficiation, mineral purification, tailings resource recovery, building materials impurity removal

Get Custom Magnetic Separator Solution

Our Magnetic Separator (Drum Magnetic Separator) integrates wet & dry dual-mode separation, high-strength non-demagnetization magnetic system and anti-blockage structure. Featuring high separation precision, high mineral recovery rate, energy-saving operation and low maintenance cost, it provides efficient and reliable mineral purification and tailings recovery solutions for global mines and industrial processing plants, helping customers improve product grade and project profits.
Contact us now to get free ore analysis, model selection and accurate customized quotation!

Videos of Magnetic Separator