Vertical ring high-gradient magnetic separator

Vertical ring high-gradient magnetic separator is a high-tech beneficiation equipment. The separator is characterized by a high degree of beneficiation, increased operability at different material size and concentration, high reliability, and easy maintenance.

The magnetic separator consists of a slave roller, feed material tank, upper and lower core assemblies, excitation windings, feed hopper, concentrate hopper, intermediate hopper, tailings hopper, concentrate washer and vibration generator.

  1. Vibration generator
  2. Lower iron yoke
  3. Winding
  4. Rotating ring
  5. Upper iron yoke
  6. Feed hopper
  7. Flushing hopper
  8. Concentrate hopper
  9. Bunker for industrial products
  10. Tailings hopper
  11. Liquid level measurement box
  12. Concentrate washer
  13. Rotating ring drive
  14. Casing

Flow symbols:
F – Ore feed
W – Clean water
C – Concentrate
M – Industrial products
T – Tailings

Inside the rotating ring (4), a container for the material is installed. During enrichment, the ring (4) rotates clockwise and the pulp is fed from the receiving hopper through the slot of the upper iron yoke (5). The magnetic medium is in a magnetic field, and a high-gradient magnetic field is formed on the surface.
The magnetic grains in the pulp are adsorbed on the surface of the magnetic medium. When the ring (4) rotates, they rise to the upper non-magnetic part where the concentrates (12) are washed. Then, the non-magnetic particles exit to the tailings hopper (10) through the slot of the lower iron yoke (2).

  • The rotating ring is positioned vertically. Coarse grains do not exit through the magnetic medium, which prevents jamming.
  • A pulsator is installed for hydro-mechanical force generation and pulp feeding. As a result, the purity of beneficiation is increased.
  • The special magnetic system and optimal magnetic environment allow working with materials up to 2.0 mm in size, which simplifies the classification technology and ensures high workability.
  • The special material tank allows the creation of a high-gradient magnetic field even in high-density disordered media.
  • A robust lead box for easy on-site connection is provided.
  • Special light and sound alarms and automatic shutdown in case of insufficient pressure or excessive cooling water temperature are provided to maximize coil life.
  • Easy adjustment of technical parameters and magnetic field characteristics as well as rotating ring speed, pulse amplitude, and frequency is provided.
  • Cooling of the control cabinet ensures safety.

Type CHDL-50 CHDL-75 CHDL-100 CHDL-125 CHDL-150 CHDL-175 CHDL-200 CHDL-250 CHDL-300
Modification M T(ТЗ) M T(ТЗ) M T(ТЗ) M T(ТЗ) M T(ТЗ) M T(ТЗ) M T(ТЗ) M T(ТЗ) M T(ТЗ)
Outer diameter rotating ring, mm 500 500 750 750 1000 1000 1250 1250 1500 1500 1750 1750 2000 2000 2500 2500 3000 3000
Rotation speed of the ring, rpm 0.3-3 0.3-3 0.3-3 0.3-3 0.5-4 0.5-4 0.5-4 0.5-4 0.5-4 0.5-4 1-4 1-4 1-4 1-4 1-4 1-4 1-4 1-4
Feed size ore (-200 mesh%), mm 1 1 1 1 1.2(30-100) 1.2(30-100) 1.2(30-100) 1.2(30-100) 1.2(30-100) 1.2(30-100) 1.2(30-100) 1.2(30-100) 1.2(30-100) 1.2(30-100) 1.2(30-100) 1.2(30-100) 1.2(30-100) 1.2(30-100)
Concentration fed ore, % 10-40 10-40 10-40 10-40 10-40 10-40 10-40 10-40 10-40 10-40 10-40 10-40 10-40 10-40 10-40 10-40 10-40 10-40
Passing capacity pulp, m3/h 0.25-0.5 0.25-0.5 0.5-1 0.5-1 12.5-20 12.5-20 20-50 20-50 50-100 50-100 75-150 75-150 100-200 100-200 200-400 200-400 350-650 350-650
Capacity dry, t/h 0.03-0.125 0.03-0.125 0.06-0.25 0.06-0.25 4-7 4-7 10-18 10-18 20-30 20-30 30-50 30-50 50-80 50-80 100-150 100-150 150-250 150-250
Nominal magnetic field strength, T 0.8 1(1.3) 0.8 1(1.3) 0.8 1(1.3) 0.8 1(1.3) 0.8 1(1.3) 0.8 1(1.3) 0.8 1(1.3) 0.8 1(1.3) 0.8 1(1.3)
Rated current excitation, A 1200 1200 1100 1200 650 1200 850 1400 950 1400 1200 1400 1200 1400 1400 1400 1400 1400
Excitation voltage, V 8.3 13.4(20.3) 12 20.3(25) 26.5 26.5(37.8) 23 28.5(40) 28 34.7(44.3) 31 38.2(51.5) 35 39.2(56.2) 45 56(78) 62 80(93)
Rated power at excitation current, kW 10 16(24.4) 13 24.4(30) 17 31.8(45.4) 19 40(56) 27 46.8(62) 37 53.5(72) 40 55(78.7) 63 78.4(109.2) 87 112(130.2)
Motor power of rotating ring, kW 0.37 1.1 0.55 1.1 1.1 1.5 1.5 3 3 4 4 7.5 5.5 11 11 15 18.5 18.5
Power of pulse motor, kW 0.37 0.37 0.75 0.75 2.2 2.2 2.2 2.2 4 4 4 4 7.5 7.5 11 11 18.5 18.5
Pulse stroke, mm 0-40 0-40 0-40 0-40 0-30 0-30 0-20 0-20 0-30 0-30 0-30 0-30 0-30 0-30 0-30 0-30 0-30 0-30
Pulse frequency, times/min 0-400 0-400 0-400 0-400 0-300 0-300 0-300 0-300 0-300 0-300 0-300 0-300 0-300 0-300 0-300 0-300 0-300 0-300
Pressue of supplied water, MPa 0.1-0.2 0.1-0.2 0.1-0.2 0.1-0.2 0.2-0.3 0.2-0.3 0.15-0.3 0.15-0.3 0.2-0.3 0.2-0.3 0.2-0.3 0.2-0.3 0.2-0.3 0.2-0.3 0.2-0.4 0.2-0.4 0.2-0.4 0.2-0.4
Water flow rate, m3/h 0.75-1.5 0.75-1.5 1.5-2.5 1.5-2.5 10-20 10-20 30-45 30-45 60-90 60-90 80-120 80-120 100-150 100-150 200-300 200-300 350-530 350-530
Volume of cold water, m3/h 1.5-2 1.5-2 1.5-2 1.5-2 2-2.5 2-2.5 2.5-3 2.5-3 3-4 3-4 4-5 4-5 5-6 5-6 6-7 6-7 8-10 8-10
Weight of the main machine, t 17 2.1 3 3.6 6 6.8 14 16 20 25.5(26.8) 35 41.3(42.6) 50 55(57) 105 113(118) 175 188(196)
Weight of maximum unit, t 0.3 0.5 0.6 0.9 2.22 2.5 4 6 5 5.8(7.6) 11 9(11.5) 14 20(21.5) 15 19.5(22) 16 21(22)
Overall dimensions (LxWxH), mm 1800×1400×1320 1400×2000×1600 2000×1360×1680 1500×2000×2100 2700×2000×2400 2100×2600×2800 3200×2340×2700 2600×2950×3150 3600×2900×3200 2950×3550×3600 3900×3300×3800 3600×3370×4100 4200×3550×4200 4200×3700×4630 5800×5000×5400 5650×5150×5900 6600×5300×6400 6450×5500×6550
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