Arc Plate Electrostatic Separator

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Product Details

Arc Plate Electrostatic Separator for High-Purity Minerals

The Arc Plate Electrostatic Separator is a high-efficiency mineral sorting machine that utilizes a multi-layer arc plate structure combined with a high-voltage static electric field. It is engineered to separate dry, fine-grained minerals based on their differing electrical conductivities.

Often used in the final finishing stages of heavy mineral sand processing, this Plate Electrostatic Separator excels at separating conductive minerals (like Rutile and Ilmenite) from non-conductive minerals (like Zircon and Quartz). Because it utilizes a free-fall and slide trajectory rather than a rotating drum, it provides exceptional final-stage purity.

Capable of achieving conductor mineral purities exceeding 90%, this Static Electric Separator is an indispensable tool for the commercial purification of strategic rare metals and high-value mineral resources.

Industrial arc plate electrostatic separator for zircon and rutile separation

Core Advantages & Structural Innovations

Multi-Stage Sorting Design: Features a double-row, 4-to-5 stage cascading sorting structure. As material falls from one plate to the next, the continuous re-sorting increases overall efficiency by 30% compared to single-stage machines.
Composite Electrode System: Combines a stainless steel grounded arc plate with an aluminum high-voltage electrostatic plate. The pole pitch and angle are fully adjustable, allowing operators to manipulate the electric field for specific mineral properties.
Wide Particle Size Adaptation: Highly effective for sorting fine-grained materials ranging from 0.1mm to 3mm.
High-Purity Output: By manipulating the free-fall trajectory of the particles, the final separated products (especially conductor minerals) can reach purities well above 90%, ready for immediate export or smelting.

How an Arc Plate Electrostatic Separator Works

The separation is based on inducing a charge and altering the falling trajectory of the particles.

Feeding Preparation: Completely dry, pre-heated minerals are fed evenly onto the top grounded stainless-steel arc plate.
Electric Field Induction: As the minerals slide down the plate, they pass through a high-voltage static electric field generated by the opposing aluminum electrode (up to 60kV).
Trajectory Deflection (Conductors): Conductive minerals quickly absorb a surface charge from the electric field. Because they carry the same polarity as the high-voltage electrode, they are strongly repelled (deflected) outward, falling into the front discharge hopper.
Natural Fall (Non-Conductors): Non-conductive minerals do not absorb the charge effectively. They are not repelled and maintain their natural gravitational sliding path, sliding directly off the end of the plate into the rear hopper or cascading to the next lower stage for further cleaning.

Composite electrode system inside arc plate electrostatic sorter

Technical Parameters (BXJ Series)

We offer 4-stage and 5-stage configurations based on the level of purification required by your flowsheet.

Parameter	BXJ-2A4-30 (Four-Stage)	BXJ-2A5-60 (Five-Stage)
Processing Capacity	1 - 2 t/h	1 - 2 t/h
Arc Plate Length	1600 mm	1600 mm
Working Voltage	0 - 60 kV (Adjustable)	0 - 60 kV (Adjustable)
Operating Current	0 - 10 mA	0 - 10 mA
Power Consumption	125 W (Extremely Low)	150 W (Extremely Low)
Weight	1688 kg	2100 kg
Overall Dimension (L×W×H)	2100 × 1600 × 2300 mm	2100 × 1600 × 2500 mm

Frequently Asked Questions (FAQ)

Q1: Why use an Arc Plate Separator instead of a High Tension Drum Separator?

A: While both use electrostatic fields, they are often used together. The High Tension Drum Separator is excellent for primary, high-volume roughing. The Arc Plate Separator provides a gentler, more precise free-fall separation. It is typically used as a "cleaner" to take the rough concentrate from the drum separator and purify it to >90% commercial grades.

Q2: What is the required maintenance for the plates?

A: Because there are no moving drums or brushes, maintenance is incredibly low. The primary task is to inspect the arc plate lining quarterly to ensure the wear is ≤3mm. A smooth surface is required for the minerals to slide freely. If the plate becomes deeply grooved by abrasive sand, the falling trajectory will be disrupted.