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Roller Electrostatic Separator


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【Type】Single-roll, double-roll, triple-roll, four-roll, multi-roll,customisable
【Feeding Size】＜2mm
【Capacity】＜5T/H
【Application】Primarily used for the separation of weakly magnetic minerals, such as limonite, manganese ore, monazite, zircon sand, ilmenite, tantalum-niobium ore, etc., for coarse tailings rejection or selective purification. Also suitable for non-metallic minerals, including rutile, andalusite, garnet, etc., for iron removal and elimination of weakly magnetic minerals.
【Service】High Intensity Magnetic Separator design, mineral separation test, mineral processing design, on-site installation or remote installation.

Monazite beneficiation: Monazite is a significant rare earth mineral. The three-roll magnetic separator can be employed in the beneficiation process of monazite ore, effectively separating monazite from associated minerals and enhancing its grade.
Zircon beneficiation: In zircon processing, this equipment can be utilised to remove ferromagnetic impurities from zircon ore, thereby improving its purity.
Ilmenite Mineral Processing: For minerals exhibiting magnetic differences, such as ilmenite, the three-roll magnetic separator enables effective separation and purification.
Other Mineral Processing: It may also be applied to the processing of minerals including chromite, garnet, and rutile, as well as the recovery of useful minerals from tailings.

3 Roller Electrostatic separator Dry Magnetic Separator Dry Type Magnetic Separator high intensity magnetic separator Ilmenite Magnetic Separator

Work Principle

Advantages

Parameters

Successful Cases

FAQ

Working Principle

The separation principle of the three-roller High Intensity magnetic separator primarily exploits the differing magnetic properties of various minerals to achieve separation.

Separation of strongly magnetic minerals: Material is uniformly fed via the hopper onto the first weak magnetic roller, removing strongly magnetic impurities such as iron.

Separation of Medium-Magnetic Minerals: Following preliminary separation, non-ferromagnetic material continues forward into the second medium-strength magnetic roller, primarily separating medium-magnetic minerals. Under this roller's magnetic field, medium-magnetic minerals are adsorbed and carried to the edge of the magnetic field before detaching into the corresponding collection trough, chiefly separating ilmenite.

Separation of weakly magnetic minerals: Following the first two magnetic separation stages, residual weakly magnetic minerals enter the third high-intensity magnetic roller (possessing the strongest magnetic field).

Under the influence of this potent magnetic field, weakly magnetic minerals such as monazite are adsorbed and separated, thereby achieving efficient recovery of weakly magnetic minerals like monazite.

Parameter adjustment and optimisation: By modifying parameters such as magnetic roller rotational speed, magnetic field strength, and feed rate, separation efficiency can be optimised to enhance mineral recovery rates and grade.

Advantages

High-intensity magnetic separators are the upgrading products of dry separators developed on the basis of the original dry separators by improving the magnetic field strength and magnetic block arrangement. Its magnetic system is all made of high-performance rare-earth nd-fe-b material and high-quality ferrite material with high magnetic field strength (up to 12000 GAUSS). The high-intensity magnetic separator is suitable for wet magnetic separation of magnetite, pyrrhotite, roasted ore, and ilmenite with particle sizes less than 3mm, and removing iron from coal, non-metallic ore, building material, etc.
The magnetic system of the high-intensity magnetic separator is made of high-quality ferrite material or compound with rare earth magnetic steel. The average magnetic induction of the tube table is 100 ~ 600mT. According to user needs, can provide downstream, semi-countercurrent, and counter-current types, such as various strong magnetic separation tables. The magnetic separator has the advantages of a simple structure, large treatment capacity, convenient operation, and easy maintenance.
Application of Magnetic Separation: Removal of miscellaneous stones, improve the grade, achieve sales. The magnetic separation equipment separates weak magnetic Ferrous ore or slag, such as lean manganese ore, limonite, and hematite.

Technical Parameters

3 Roller Electrostatic Separator
Model	FC1000	FC1200	FC1500
Roller Length(mm)	1000	1200	1500
Roller Diameter(mm)	300/500	300/500	300/500
Magnetic Intensity (GS) Adjustable	1500/8000/18000	1500/8000/18000	1500/8000/18000
Feeding Size(mm)	＜2	＜2	＜2
Capacity(tph)	1-2	2-3	3-5
Power(kw)	1.5kw*3	1.5kw*3	1.5kw*3
The technical parameters provided are for reference only. Final product performance shall be subject to the official technical specifications.

Successful Cases

Rock Gold Mine - South Sudan

Placer Gold Mines - Zimbabwe

Chromite - South Africa

Alluvial Chrome Ore - Zimbabwe

Alluvial Tin Mines - Bolivia

Rock Tin Mines - Indonesia

7氧化铜-俄罗斯

Copper Oxide - Russia

Tantalum Niobium Ore - Nigeria

Lithium Mines - Brazil

Kaolin Mine - Uganda

Lead Zinc Mine - Morocco

Manganese Ore - Kenya

Hematite - South America

FAQ

Q: What minerals suit 3-roller dry magnetic separators best?
A: Ideal for weakly magnetic ores (W/Sn/Ta-Nb, 0.05-5mm), especially REE beneficiation in water-scarce areas.

Q: How to optimize 3-roller separator performance?
A: ①Adjust RPM(5-25) by particle size ②Set gradient field(8000-18000Gs) ③Keep feed layer<10mm.

Q: Advantages over single-disc models?
A: 30% better precision, produces 3-4 concentrates, 2x capacity, only 15% more power.

Roller Electrostatic Separator

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