magnetic separators for mining & beneficiation
Since the development of magnetic separators in the last century, magnetic separation has been regarded as an effective method for mineral recovery. With the continuous development of new machines and the continuous improvement of performance, we can now say with certainty that magnetic separation is highly accurate.
The principle of magnetic separation is to selectively separate magnetic particles from a mixture with other non-magnetic particles based on the size and magnetic properties of the particles.
types of magnetic separator
high intensity magnetic separator
| Model | Cylinder Size (mm) | Capability (t/h) | power (kw) |
| HYF-1060 | D100*600 | 0.2-1 | 0.37 |
| HYF-1080 | D100*800 | 0.3-1.4 | 0.37 |
| HYF-1210 | D120*1000 | 0.4-2 | 0.55 |
| HYF-1610 | D160*1000 | 0.6-2.5 | 0.55 |
| HYF-2060 | D200*600 | 0.45-2.3 | 0.55 |
| HYF-2010 | D200*1000 | 0.7-3.8 | 0.75 |
| HYF-2475 | D240*750 | 0.9-4.5 | 0.75 |
| HYF-2410 | D240*1000 | 1.2-5 | 1.1 |
| HYF-3060 | D300*600 | 1-4.5 | 1.1 |
| HYF-3010 | D300*1000 | 1.6-7 | 1.1 |
| HYF-3860 | D380*600 | 1.8-5.5 | 1.1 |
| HYF-3810 | D380*1000 | 2.8-9 | 1.5 |
Wet drum magnetic separator
| Model | Shell diameter(mm) | Shell length(mm) | Shell rotation speed(r/min) | Feeding size(mm) | Processing capacity(t/h) | Power(kw) |
| CTB4060 | 400 | 600 | 48 | 2-0 | 0.5-1 | 1.1 |
| CTB6012 | 600 | 1200 | <35 | 2-0 | 10-20 | 1.5 |
| CTB6018 | 600 | 1800 | <35 | 2-0 | 15-30 | 2.2 |
| CTB7518 | 750 | 1800 | <35 | 2-0 | 20-45 | 2.2 |
| CTB9018 | 900 | 1800 | <35 | 3-0 | 40-60 | 3 |
| CTB9021 | 900 | 2100 | <35 | 3-0 | 45-60 | 3 |
| CTB9024 | 900 | 2400 | <28 | 3-0 | 45-70 | 4 |
| CTB1018 | 1050 | 1800 | <20 | 3-0 | 50-75 | 5.5 |
| CTB1021 | 1050 | 2100 | <20 | 3-0 | 50-100 | 5.5 |
| CTB1024 | 1050 | 2400 | <20 | 3-0 | 60-120 | 5.5 |
| CTB1218 | 1200 | 1800 | <18 | 3-0 | 80-140 | 5.5 |
| CTB1224 | 1200 | 2400 | <18 | 3-0 | 85-180 | 7.5 |
| CTB1230 | 1200 | 3000 | <18 | 3-0 | 100-180 | 7.5 |
three disc magnetic separator
| Model | Unite
| 3PC-500
| 3PC-600 |
| Magnetic intensity | Hauteur | Distance to beltsurface 2mm Disk teeth 1700 | Distance to beltSurface 2mm Disk teeth 1800 |
| Number of magnetic disk | Piece | 3 | 3 |
| Diameter of magnetic disk | mm | 500 | 600 |
| Revolution of magnetic disk | r/min | 25-40 | 22-38 |
| Power supply | V | 380 | 380 |
| Exciting coil | Unit | 4 | 4 |
| Matching motor | kw | 0.75 | 1.5 |
| Exciting power | kw | 1.5 | 1.6 |
| Coil temperature rise | °C | 65 | 65 |
| Rated current of coil | A | 1.1-1.8 | 1.2-1.9 |
| Duty rating | Continuous | Continuous | |
| Feed width | mm | 210 | 300 |
| Feed size | mm | ≤2 | ≤2 |
| capacity | kg/h | 100-500 | 120-800 |
| Overall Size | mm | 2800×800×1220 | 3200×870×1160 |
| Weight | kg | 1900 | 2200 |
Dry type magnetic separator
| Model | Shell diameter(mm) | Shell length(mm) | Shell rotation speed(r/min) | Feeding size(mm) | Processing capacity(t/h) | Power(kw) |
| CTB4060 | 400 | 600 | 48 | 2-0 | 0.5-1 | 1.1 |
| CTB6012 | 600 | 1200 | <35 | 2-0 | 10-20 | 1.5 |
| CTB6018 | 600 | 1800 | <35 | 2-0 | 15-30 | 2.2 |
| CTB7518 | 750 | 1800 | <35 | 2-0 | 20-45 | 2.2 |
| CTB9018 | 900 | 1800 | <35 | 3-0 | 40-60 | 3 |
| CTB9021 | 900 | 2100 | <35 | 3-0 | 45-60 | 3 |
| CTB9024 | 900 | 2400 | <28 | 3-0 | 45-70 | 4 |
| CTB1018 | 1050 | 1800 | <20 | 3-0 | 50-75 | 5.5 |
| CTB1021 | 1050 | 2100 | <20 | 3-0 | 50-100 | 5.5 |
| CTB1024 | 1050 | 2400 | <20 | 3-0 | 60-120 | 5.5 |
| CTB1218 | 1200 | 1800 | <18 | 3-0 | 80-140 | 5.5 |
| CTB1224 | 1200 | 2400 | <18 | 3-0 | 85-180 | 7.5 |
| CTB1230 | 1200 | 3000 | <18 | 3-0 | 100-180 | 7.5 |
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magnetic separator selection
The choice of magnetic separator depends on a variety of considerations, the most important of which is the particle size distribution, the magnetic performance distribution of the particles to be separated from each other, and the required machine output.
The selected magnetic separator must be suitable for the purpose of use and have sufficient capacity. In order to select the most suitable separator, when inquiring about the separator, conditions like purpose of use, material grain are important to our engineer, as detailed below:
●Usage (improving purity, collecting valuable magnetic minerals, etc.)
●Type, composition of raw materials
●Raw material granularity
●Moisture content
● bulk density
●Type, shape and particle size of mixed magnetic substance
●The amount of raw materials processed per hour (kg/h, m3/h)
●Other special conditions
Dry low-intensity magnetic separator
There are two types of dry low-intensity magnetic separator
1. Use suspended magnets, magnetic pulleys and plate, and grate magnets to remove iron and strong magnetic impurities
2. The magnetic drum is mainly used to concentrate the valuable components of strong magnetism.
Wet low-intensity magnetic separators
Drum magnetic separator is currently the most commonly used wet low-intensity magnetic separator. With the advent of ferrite permanent magnets, the concept of electromagnetic drums has been almost completely replaced by permanent magnet-based components. This type of magnetic separator is mainly used for the recovery of heavy media, such as the recovery of magnetite or ferrosilicon used in the separation of heavy media.
Concentration of ferromagnetic ores (such as magnetite) is another application of drum magnetic separators. The availability of rare-earth permanent magnetic materials and their ever-increasing availability further expand the applicability of cylindrical magnetic separators to media and even weak magnetic materials.
Dry high-intensity magnetic separators
The mineral industry has always had a great demand for beneficiation equipment capable of performing coarse and weak magnetic minerals.
The development of permanent magnetic materials and the improvement of their magnetic properties are undoubtedly one of the main driving forces for the progress of dry magnetic separation technology.
The magnetic force generated by the magnetic roller separator constructed with the rare earth permanent magnet material exceeds the magnetic force generated by the electromagnetic high-strength magnetic separator.
Although the rare earth permanent magnetic field cannot be changed easily, we can optimize the configuration of this type of magnetic roller by reasonably selecting permanent magnetic materials, so as to design a magnetic separator for processing materials of different sizes and different magnetic susceptibility distributions.
Wet high-intensity high-gradient magnetic separators
Continuous wet high-strength high-gradient magnetic separators (WHIMS or HGMS) are designed and manufactured to recover materials that were previously considered to be too fine and too magnetically weak, which greatly expanded the applicability of magnetic separation.
Kaolin purification, beneficiation of very weakly magnetic iron ore, titanium oxides, and beach sand are examples of successful applications of high-strength and high-gradient magnetic separators.
High gradient magnetic separator
The high gradient magnetic separator greatly increases the types of optional minerals and widens the upper and lower particle size limits.
Handle occasions where the content of magnetic materials is extremely low and the particle size is very thin. The high-gradient magnetic separator effectively improves the separation rate and recovers valuable minerals, which not only saves a lot of water resources, but also improves the concentration of concentrate slurry and simplifies the process flow.