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High tension electrostatic separators are specially designed for the separation of titanium-bearing mineral sands, hard rock ilmenite and rutile, cassiterite, tantalite, wolframite, iron ore, as well as plastics from metals in waste recycling systems. These machines take advantage of the differences in electrical conductivity among minerals within an ore feed. The high-tension roll electrostatic separator (HTR) uses a grounded roll to transport the material through a high-voltage ionizing field (corona), where particles become charged by ion bombardment. Conductive particles transfer their charge to the grounded carrier electrode (roll) and are then thrown off due to centrifugal and gravitational forces, while non-conductive particles remain attached to the electrode and are carried around the roll's periphery before dropping off, either due to charge dissipation or mechanical means such as brushes and AC wipers.
The throughput capacity of a high-tension electrostatic separator is closely related to the roll speed, roll width, and the characteristics of the feed material. For rolls with smaller diameters, higher rotation speeds are necessary to maintain a sufficient feed rate. However, at higher RPMs, coarse, non-conductive particles may leave the roll surface too early due to increased centrifugal force, leading to misplacement in the conductor stream. Conversely, under low RPM conditions, fine conductive particles may not gain enough inertia to be ejected, resulting in misplacement of the non-conductor stream. Therefore, for processing particle mixtures with varying physical properties—such as conductivity, particle size, and density—it is essential to adjust the roll speed and electrode positions to optimize performance.
Below is a detailed specification table for different models:
| Model | JXSC-3212 | JXSC-3215 | JXSC2G-3212 | JXSC2G-3215 |
|---------------|------------------|------------------|------------------|------------------|
| Specification | 320X1200 | 320X1500 | 320X1200/2 | 320X1500/2 |
| Operating Voltage | 0-55kV | 0-55kV | 0-55kV | 0-55kV |
| Motor Power (KW) - Heat | 12 | 15 | 15 | 18 |
| - Rotate | 2.2/1.5 | 2.2/1.5 | 2.2/2.2 | 3.0/3.0 |
| - Electro Discharge | 0.09 | 0.1 | 0.15 | 0.18 |
| Feeding Size (mm) | 0.1-2 | 0.1-2 | 0.1-2 | 0.1-2 |
| Capacity | 0.6-1.4 | 0.8-1.6 | 1-2 | 1.2-2.5 |
| Dia. Of stationary electrode (mm) | 30 | 30 | 30 | 30 |
| Dia. Of corona electrode (mm) | 0.4 | 0.4 | 0.4 | 0.4 |
| No. of electrode filament | 4 | 4 | 8 | 8 |
| Maximum operating electrode distance (mm) | 85 | 85 | 85 | 85 |
| Weight (t) | 0.7 | 0.8 | 1.8 | 2.2 |
| Overall size (mm) | 1390X1980X1500 | 1390X2290X1650 | 1390X1980X2880 | 1390X2290X2880 |
These separators are widely used in mineral processing and recycling industries, offering efficient and reliable separation solutions for a variety of materials. Their design ensures optimal performance, durability, and ease of maintenance, making them ideal for both small-scale and large-scale operations.