Electromagnetic Separator (Wet Type)
Electromagnet Separation Equipment
Magnetic liquid separator for removing ferrous contamination from liquids and wet materials
Wet-type electromagnetic separators are used for removing ferrous metals in liquid and slurry materials. They capture micron and sub-micron-sized ferromagnetic particles, ensuring material purity in industries where contamination can affect product quality and equipment performance. This technology is widely applied in the lithium battery industry, particularly in lithium salts, cathode materials, and graphite processing. It is also used in food processing, pharmaceuticals, ceramics, plastics, and fine chemicals, where effective separation is essential for maintaining product integrity.
Maintaining material purity is necessary in many industries, especially when handling liquid and slurry materials that require precise ferrous metal removal. The wet-type electromagnetic separator is designed for this purpose, utilizing electromagnetic induction to capture and remove fine ferrous particles. By controlling the magnetic field through power activation, this system ensures efficient and automated separation.
When powered on, the electromagnetic coil generates a strong magnetic field, magnetizing the core medium and attracting ferrous metal particles from the material flow. These contaminants are captured, while the purified liquid continues through the system. When the power is turned off, the magnetic medium demagnetizes, causing the trapped ferrous particles to be released and removed by gravity or assisted vibration. This process ensures continuous and effective separation, making it ideal for industries requiring strict impurity control.
- Lithium Battery Industry
Ternary lithium, lithium carbonate, lithium iron phosphate, graphite. - Chemical Industry
Coatings, electronic ceramics, electronic-grade materials.
| Nominal diameter | DN250, DN300 |
| Ambient temperature | Equipment: -20 to 40℃ Control panel: 0 to 35℃ |
| Voltage | 3-phase 5-wire, AC380V, 50Hz |
| Air pressure | 0.4-0.7MPa |
| Cooling water temperature | DN250 ≤25℃ DN300 ≤15℃ |
| Excitation power | 8.4-9.5kW |
| Max. surface magnetic field strength of screen | Approx.14000GS |
| Air core magnetic field | 3500GS (±200) |
| Operation mode | Continuous operation |
| Inlet/outlet | DN65/DN80 flanged/clamped |
| Processing capacity | 10-20m³/h |
| Cooling oil | Approx. 150-195L |
| Total power | Approx. 10-11kW |
| Weight | Approx. 2500-2800kg |
| | |
| Nominal diameter | DN250, DN300 |
| Ambient temperature | Equipment: -20 to 40℃ Control panel: 0 to 35℃ |
| Voltage | 3-phase 5-wire, AC380V, 50Hz |
| Air pressure | 0.4-0.7MPa |
| Cooling water temperature | No higher than 15℃ |
| Excitation power | 15.5-18kW |
| Max. surface magnetic field strength of screen | Approx. 20000GS |
| Air core magnetic field | 6000GS (±200) |
| Operation mode | Continuous operation |
| Inlet/outlet | DN65/DN80 flanged/clamped |
| Processing capacity | 10-20m³/h |
| Cooling oil | Approx. 170-195L |
| Total power | Approx. 17-19.6kW |
| Weight | Approx. 3800-4200kg |
- The excitation coil’s magnetic field distribution is designed using finite element analysis (FEA) to optimize performance while maintaining the same power consumption. This ensures high magnetic field strength, a larger effective flux volume, and a more uniform field distribution. The smooth magnetic decay curve across the material filtration path enhances the ability to capture ferrous metal particles with greater precision.
- The excitation coil, a core component, is manufactured to high-voltage transformer standards, providing high insulation and durability. It meets H-class insulation requirements and has a lifespan of at least 10 years, ensuring long-term stable operation.
- The cooling system is designed using flow field analysis to improve heat dissipation and coil stability. The coil and cooling oil undergo efficient heat exchange, with smooth oil flow that prevents stagnant zones. A forced circulation system, using an oil pump and heat exchanger, ensures effective cooling. The external cooling circuit is made of stainless steel, keeping the system clean and minimizing maintenance.
- A high-frequency vibration system ensures smooth material flow, even for low-fluidity or weakly magnetic materials. During impurity discharge, the vibration mechanism enhances removal efficiency. A flexible damper between the vibration system and the machine body absorbs vibrations, reducing noise and mechanical stress on the equipment.
- The electromagnetic separator is designed with clearly labeled interface connections, making installation, operation, and maintenance more intuitive. The ergonomic layout improves usability while incorporating essential safety features for reliable operation.
- The control system integrates PID-based closed-loop voltage regulation and constant magnetic field control, both of which use negative feedback to ensure stable output. This design prevents fluctuations caused by changes in grid voltage. The constant magnetic field control, an industry-first innovation in this type of equipment, eliminates the loss of magnetic strength due to coil temperature increases, maintaining consistent separation performance.
- A fully integrated PLC control cabinet with an IP54 protection rating enables automated iron removal and cleaning cycles. The touchscreen interface allows users to adjust cleaning phase durations to match different materials and process conditions, ensuring operational flexibility.
- A remote communication interface allows seamless integration with centralized control systems, enabling remote operation and real-time monitoring to improve process efficiency.
