Three Disk Magnetic Separator

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Product Details

Three Disk Magnetic Separator (Dry High Intensity)

The Three Disk Magnetic Separator is a precise dry separation equipment for mixed rare metals. It combines One Weak Magnetic Drum (for iron removal) and Three Strong Magnetic Disks (for mineral separation).

With an adjustable magnetic field up to 18000 Gauss (1.8T), it is the ultimate solution for separating Tin-Tungsten, Tantalum-Niobium, Monazite, and Zircon in a single pass.

Working Principle: 4-Stage Separation

Sequential separation based on magnetic susceptibility difference.

Step 1: Iron Removal

Material first passes the Weak Magnetic Drum (0.3-0.5T) to remove strong magnetic minerals like Magnetite, protecting the downstream disks.

Step 2: Disk Selection

The material flows under 3 Rotating Disks. The current of each disk is adjusted to adsorb minerals of different magnetic strengths (Weak -> Medium -> Strong).

Step 3: Discharge

Magnetic minerals are carried by the disks to the side and scraped into hoppers. Non-magnetic minerals (Zircon/Quartz) flow to the end.

Three Disk Magnetic Separator Structure

Structure & Electrical System

Mechanical Components

Feeding Device: Vibrating feeder + Screen to ensure uniform monolayer feeding.
Magnetic System: One Weak Magnetic Drum (Permanent Magnet) + Three Strong Disks (Electromagnetic).
Coils: Oil-cooled electromagnetic coils, low temperature rise (≤ 65°C), ensuring stable magnetic field.
Conveying: Stainless steel vibrating trough with adjustable amplitude (3-8mm).

Electrical Control Cabinet

Power Input: 3-Phase 380V ±10%, 50Hz.
Rectifier: Silicon rectifier cabinet outputting DC 0-220V.
Control Unit: PID intelligent regulation with ±1% accuracy.
Monitoring: Digital current/voltage display and fault alarm system.

Operation Guide

1. Start-up

Turn on the control system to warm up -> Gradually increase excitation current to working value -> Start the vibrating feeder.

2. Adjustment

Adjust the gap between disk and ore (usually 2-5mm). Adjust disk speed (30-60rpm) based on mineral grade.

3. Shutdown

Stop feeding -> Continue running for 5 mins to clear material -> Reduce current to zero -> Power off.

Maintenance & Component Life

Component	Maintenance Action	Expected Life (Normal Condition)
Disk Surface	Clean daily to remove stuck powder.	> 10 Years
Electromagnetic Coil	Check insulation resistance quarterly.	5 - 8 Years
Vibrating Trough	Check for wear holes.	3 - 5 Years
Electric Components	Dust cleaning monthly.	5 - 7 Years

Core Advantages

1. 4 Products in 1 Pass

Can separate Ferromagnetic (Iron), Weak Magnetic 1 (Ilmenite), Weak Magnetic 2 (Tantalite), and Non-magnetic (Zircon) simultaneously.

2. Adjustable Intensity

The magnetic field of each disk is independently adjustable (0-18000 Gs) via the control cabinet, allowing extreme flexibility for mixed ores.

3. Fine Particle Processing

Excellent performance for fine particles (0.1-2mm) where other magnetic separators fail. The vibrating trough ensures the material spreads thinly.

Typical Applications

● Rare Earth:
Separating Monazite and Xenotime from beach sands. See Rare Earth Solution.
● Tin & Tungsten:
Separating magnetic Wolframite from non-magnetic Cassiterite (Tin).
● Tantalum-Niobium:
Separating Coltan from non-magnetic gangue minerals.
● Titanium Zirconium:
Separating Ilmenite and Rutile from Zircon sand.

Technical Parameters

Model	Disk Dia. (mm)	Feed Size (mm)	Field (Gauss)	Capacity (t/h)	Power (kW)
CP-500	500	0.1 - 2	18000	0.1 - 0.3	1.5
CP-600	600	0.1 - 2	18000	0.3 - 0.6	2.2
CP-900	900	0.1 - 2	18000	0.8 - 1.2	3.0

Three Disk Magnetic Separator Factory Stock

Frequently Asked Questions (FAQ)

Q: How does it differ from a Permanent Magnetic Roll?

A: The Three Disk uses Electromagnetic coils, meaning you can adjust the magnetic strength by changing the current. Dry Rolls use Permanent magnets (fixed strength). The Three Disk is more precise for separating complex mixed minerals.

Q: Does it consume a lot of electricity?

A: Not really. The total power is around 3-5kW for a CP-600 unit. The oil cooling system ensures efficient energy use and prevents overheating.

Q: Can it process wet material?

A: No. The material must be Bone Dry (Moisture < 1%). If the ore is wet, it must be dried using a Rotary Dryer before feeding, otherwise, particles will clump and affect separation.

Precise Separation for Valuable Minerals

Get the highest purity concentrate for Tin, Tungsten, and Rare Earths.
Contact us for flow chart design and factory price.

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