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Conveyor Belt magnetic separator with 15000 Gauss head roller for plastic recycling

Dual-Stage Conveyor Belt Magnetic Separator: 15000 Gauss Permanent Magnet Iron Remover

Functions:
Iron removal magnetic separator, Free-flowing solids purification, Efficient capture of wires/sheets/fine iron, Powder/granule/flake processing, Extraction of coated ferrous contaminants, >98% impurity removal rate, Modified plastics/chemical industry application, Vibrating feeder uniform distribution, Drum-plate magnetic assembly, In-stream ferrous separation, Post-processing for granulation/grinding/pulverization

Application Scope:

The Mag Spring Conveyor Belt Magnetic Separator is ideal for:

  • Plastics Industry – As a magnetic separator for plastics, it removes fine iron particles from polymer pellets and flakes.
  • Recycling Facilities – Efficiently separates tramp iron and metal debris from shredded or crushed materials.
  • Mining & Mineral Processing – Prevents ferrous contamination in ores and minerals before further processing.
  • Cement, Coal & Power Plants – Protects conveyors, crushers, and grinding equipment.
  • Food, Chemical & Aggregate Production – Ensures non-metallic materials remain contamination-free.

With its high-intensity magnetic field and belt-type automatic separation mechanism, it guarantees continuous magnetic performance even under high throughput conditions.

Overview

The Mag Spring Conveyor Belt Magnetic Separator features a dual-stage separation design to ensure consistent material purity. This system integrates a suspended permanent magnet with a high-intensity magnetic head roller, capable of reaching a surface magnetic flux density of up to 15,000 Gauss.

Designed for continuous operation in sectors such as plastics recycling and mineral processing, the system effectively targets both large ferrous contaminants and smaller, weak-magnetic impurities. This multi-stage approach helps minimize equipment wear and supports stable production quality.

plastic granule with ferrous Metals

Plastic Granules with Ferrous Metals

Cleaning plastic granule after removing metals

Cleaning plastic granule after removing metals


Key Features & Advantages

High Magnetic Power – Up to 15000 Gauss

This high-intensity magnetic separator (15000 Gs) uses premium NdFeB rare-earth magnets to generate a strong magnetic flux density for deep magnetic penetration, effectively attracting even tiny ferromagnetic particles.

Automatic Self-Cleaning System

The integrated self-cleaning magnetic belt automatically removes trapped iron contaminants, allowing the separator to operate continuously without downtime — perfect for large-scale production lines.

Optimized Belt-Type Magnetic Circuit Design

Using advanced simulation technology, Mag Spring optimizes the magnetic circuit to reach the most ideal magnetic field distribution, maximizing separation efficiency while maintaining energy balance.

Permanent Magnet Iron Remover Structure

Made of 316L stainless steel, this permanent magnetic separator features a durable and corrosion-resistant structure that ensures longevity and low maintenance.

Positive ROI and Reliable Industrial Performance

Users consistently experience positive improvements in purity levels, reduced machine wear, and improved safety through long-term, stable operation.


How Dual-Stage Magnetic Separation Removes Weak Magnetic Impurities

Stage 1: Primary Extraction & Magnetization

As bulk material travels under the Suspended Magnetic Plate, larger ferrous objects are attracted to the surface. Simultaneously, this primary magnetic field helps to align and pre-magnetize fine ferrous particles within the material layer.The suspended plate not only extracts large metals but also conditions the material flow. This phase relies on the principles of magnetic separation physics, ensuring that even fine particles respond to the high-gradient field of the head roller.

Stage 2: High-Gradient Deep Separation

The material then moves to the discharge end, passing through the High-Intensity Magnetic Head Roller (15,000 Gs). Due to the high magnetic gradient, even fine or weak-magnetic impurities that were pre-conditioned in Stage 1 are effectively diverted from the clean product stream.

Key Component Specifications for Dual-Stage Separation

To achieve maximum purification, this system utilizes a two-step process. The following technical specifications outline how the magnetic field is distributed across the different components of the belt-type separator:

Component Magnetic Intensity (Gauss) Function Material Target
Suspended Magnetic Plate 3000 – 6000 Gs Pre-separation & Magnetization Large ferrous parts, bolts, nails
Magnetic Head Roller Up to 15000 Gs Deep Purification Fine iron dust, weak-magnetic impurities
Conveyor Belt Anti-static / Wear-resistant Continuous Transport Bulk materials (Granules, Ores)

The core of our dual-stage system utilizes high-grade NdFeB (Neodymium-Iron-Boron) permanent magnets. These rare-earth materials are globally recognized for their exceptional energy product and magnetic stability, as detailed in the technical standards of the  International Magnetics Association (IMA).


Why Choose Mag Spring Overbelt magnetic separator with magnetic roller?

  • Powerful Performance: Up to 15000 Gauss magnetic flux density for deep capture.
  • Automatic Cleaning: Reduces labor costs and downtime.
  • Durability: 316L stainless steel structure ensures long lifespan.
  • Permanent Magnet System: No energy loss or demagnetization issues.
  • Versatility: Works as an over-belt, cross-belt, or belt-type magnetic separator.

Frequently Asked Questions (FAQ)

Q1: What is the maximum magnetic flux density of the Mag Spring separator?

A1: It provides a high-intensity magnetic field from 9000 Gs up to 15000 Gs, achieving the ideal magnetic flux density for continuous ferrous separation.

Q2: Is this an automatic self-cleaning magnetic separator?

A2: Yes. The automatic self-cleaning belt continuously removes separated iron, allowing non-stop operation without manual cleaning.

Q3: What industries benefit most from this belt-type magnetic separator?

A3: It’s widely used in plastics recycling, cement plants, mining, coal handling, and chemical production, as well as other bulk material applications.

Q4: How does it differ from other permanent magnet iron removers?

A4: The Mag Spring conveyor belt magnetic separator combines a high-intensity NdFeB magnet with a durable belt-type cleaning design, offering deeper magnetic penetration and longer service life than traditional plate or drum separators.

Q5: Can it be customized for specific applications?

A5: Absolutely. We can tailor belt width, magnetic field strength, and installation layout (over-belt or cross-belt) to match your production line requirements.

Q6: How does the 15,000 Gauss field affect performance?

A6: The 15,000 Gauss rating at the head roller provides the necessary magnetic force to attract fine particles and certain work-hardened stainless steel fragments that standard magnets might miss.

Q7: What maintenance is required for this permanent magnet system?

A6: As a permanent magnetic system, it does not require an external power source for the magnetic field. Maintenance is primarily focused on the conveyor belt tension and the mechanical drive components.


Related Products

🔗 Eddy current separators are specifically designed for non-ferrous metal separation 
🔗 Plastic Pellet Internal Iron Contamination Removal System

Explore our complete magnetic separation product line for industrial, plastic, and mining applications.


Recommended Blog Articles

📰 How to Choose the Right Magnetic Separator for Your Production Line
📰 Understanding Magnetic Flux Density and Its Role in Separation Efficiency
📰 Top 5 Applications of Conveyor Belt Magnetic Separators
📰 Permanent vs. Electromagnetic Separators – Which Is Better for You?
📰 How Automatic Self-Cleaning Magnetic Separators Improve Productivity

Conclusion

The Mag Spring Conveyor Belt Magnetic Separator is a high-intensity permanent magnet iron remover that combines power, precision, and positive performance.
With a magnetic flux density up to 15000 Gauss, an automatic self-cleaning system, and belt-type continuous operation, it delivers maximum product purity, equipment protection, and long-term reliability — making it the smart choice for modern industrial separation needs.

CBM Series Belt-Type Magnetic Separator

1. Standard Type  ( Single Stage Separation)

Focusing on high-efficiency removal for standard flow materials.

Standard Type Single Stage Magnetic Separation(1)

Model Capacity (m³/h)* Magnetic Intensity (Roller) Power (kW) Dimensions (A×B×H) mm Net Weight (kg)
SW-CBM1-10/40 1.0 8,000 – 15,000 GS 0.55 930 × 560 × 400 160
SW-CBM1-10/50 1.9 8,000 – 15,000 GS 0.55 930 × 660 × 500 280
SW-CBM1-10/60 2.1 8,000 – 15,000 GS 0.75 930 × 760 × 600 360
SW-CBM1-15/40 1.5 8,000 – 15,000 GS 0.75 930 × 560 × 400 250
SW-CBM1-15/80 4.2 8,000 – 15,000 GS 1.5 930 × 760 × 600 560

2. Enhanced Type Belt-Type Magnetic Separator (With Optional Magnetic Plate)

Designed for high-purity requirements, utilizing both a magnetic roller and an additional magnetic plate.

Enhanced Type Belt-Type Magnetic Separator (With Optional Magnetic Plate)(1)

Model Capacity (m³/h)** Roller Intensity Plate Intensity Power (kW) Dimensions (A×B×H) mm
SW-CBM2-10/50 3.8 8,000 – 15,000 GS 5,000 – 8,000 GS 0.55 1450 × 600 × 1200
SW-CBM2-10/80 6.0 8,000 – 15,000 GS 5,000 – 8,000 GS 0.75 1450 × 900 × 1200
SW-CBM2-10/100 7.5 8,000 – 15,000 GS 5,000 – 8,000 GS 1.5 1450 × 1100 × 1200
SW-CBM2-15/80 9.0 8,000 – 15,000 GS 5,000 – 8,000 GS 0.75 1450 × 900 × 1200
SW-CBM2-15/100 11.3 8,000 – 15,000 GS 5,000 – 8,000 GS 1.5 1450 × 1100 × 1200

General Specifications & Options 

  • Operating Temperature: Standard 80°C (Options for 100°C / 120°C available).

  • Material Construction:

    Flow Passage: SUS 304 / SUS 316LNon-Flow Passage: SUS 304

    Surface Treatment: Bright Polishing (Ra ≤ 0.8μm), Brushed, or Sand Blasting.

  • Motor & Control: 

    Voltage: 230V / 380V (3-Phase) or Customized.

    Type: Standard, Variable Frequency, or Explosion-proof (Gas-EX / Dust-EX / Double-phase EX).

  • Protection Grade: IP54 / IP65 (Optional).

  • Control Cabinet: Custom dimensions available; supports DCS access.


Notes:

  1. Capacity (*): Measured at a rotary speed of 50 rpm with an average material layer thickness of 5 mm.

  2. Capacity ():** Measured at a rotary speed of 50 rpm with an average material layer thickness of 8 mm.

  3. Environment Requirements: Altitude ≤ 3,500m; Ambient temperature 0-40°C; Relative humidity ≤ 85%.

  4. Customization: Magnetic intensity and dimensions can be customized based on specific material characteristics.

 

CBMZ Series Combination Belt-Type Magnetic Separator

Designed for multi-stage separation and enhanced material flow control.

Combination Belt-Type Magnetic Separator

Model Capacity (m³/h)* Magnetic Intensity (Roller) Power (kW) Dimensions (A×B×H) mm Net Weight (kg)
SW-CBMZ-10/40 1.9 8,000 – 15,000 GS 0.55 1350 × 560 × 850 200
SW-CBMZ-10/60 2.1 8,000 – 15,000 GS 0.75 1350 × 760 × 850 300
SW-CBMZ-15/40 2.8 8,000 – 15,000 GS 0.75 1350 × 560 × 950 300
SW-CBMZ-15/50 3.5 8,000 – 15,000 GS 1.5 1350 × 660 × 950 450
SW-CBMZ-15/60 4.2 8,000 – 15,000 GS 1.5 1350 × 760 × 950 450

Key Technical Features (Combination Series)

  • Multi-Stage Integration: Combines high-intensity magnetic rollers with optimized feeding systems for superior capture rates.

  • Operating Temperature: Standard 80°C; heat-resistant versions up to 100°C available.

  • Material Quality:

    Flow Passage: SUS 304 or SUS 316L.

    Non-Flow Passage: SUS 304.

    Flexible Control: Supports Variable Frequency Drive (VFD) and DCS system integration for automated production lines.

  • Explosion Protection: Full range of EX-proof options (Gas-EX, Dust-EX, or Dual-phase EX) to meet European safety directives.


Notes:

  1. Capacity (*): Measured at a rotary speed of 50 rpm with an average material layer thickness of 5 mm.

  2. Dimensions: A1 and B1 represent the base belt dimensions; other values are for reference.

  3. Surface Finish: Standard options include Bright Polishing (Ra ≤ 0.8μm), Brushed, or Sand Blasting.