Electromagnetic dry powder magnetic separator is a device used for separating
magnetic minerals in dry materials, widely used in industries such as quartz
sand, feldspar, refractory materials, etc. for iron removal and purification.
Its work relies on strong electromagnetic field forces to achieve the adsorption
and separation of magnetic impurities. The following are its main components and
functional descriptions:
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### ✅ 1. * * Electromagnetic coil (excitation system)**
-Function: Generate a strong magnetic field, which is the core component of
the entire device.
-* * Features * *:
-Hollow copper tube water-cooled coils are commonly used;
-Adjustable magnetic field strength (commonly ranging from 8000 to 20000
Gauss or above);
-A stable DC power supply is required.
---
### ✅ 2. * * Magnetic Separation Chamber (Working Chamber)**
-Function: The material passes through this area and is sorted by the
magnetic field.
-* * Structure * *:
-Made of stainless steel or wear-resistant materials;
-Internally, there is usually a magnetic medium (such as stainless steel
tooth plate, rod mesh, iron core, etc.) to enhance the magnetic gradient;
-Adopting a sealed structure to prevent dust from overflowing.
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### ✅ 3. * * Feeding system**
-Function: Uniformly deliver dry powder materials into the magnetic
separation chamber.
-* * Common forms * *:
-Vibration feeder;
-Spiral feeder;
-Quantitative control of silo coordination.
---
### ✅ 4. * * Discharge system**
-Function: Discharging the sorted concentrate and tailings separately.
-* * Structure * *:
-Multi channel design (such as two or three outlets);
-Some devices are equipped with pneumatic or electric control devices to
adjust the discharge direction.
---
### ✅ 5. Control system (electrical control cabinet)**
-Function: Control the overall operating status, magnetic field strength,
temperature, water cooling system, etc.
-* * Features * *:
-Equipped with PLC or relay system;
-Equipped with multiple safety mechanisms such as overheating protection,
current protection, and water pressure protection;
-It can achieve remote operation or linkage control.
---
### ✅ 6. * * Cooling system**
-Function: To dissipate heat from the electromagnetic coil and prevent
overheating and burnout.
-* * Common methods * *:
-Water cooling (circulating cooling water system);
-Air cooling (used in some lightweight equipment);
-Equipped with automatic temperature detection and alarm function.
---
### ✅ 7. * * Rack and casing**
-Function: To support the entire system and protect the internal
structure.
-* * Requirement * *:
-Require a sturdy and vibration resistant structure;
-The shell is mostly made of stainless steel material, which is rust proof
and corrosion-resistant;
-Some equipment casings are designed with negative pressure suction ports for
easy connection to dust removal systems.
---
### ✅ 8. Dust removal and protection system (optional)**
-Function: Enhance environmental friendliness and operational safety.
-* * Composition * *:
-Dust collection hood, suction pipe, filter bag dust collector;
-Suitable for working environments with high iron content and high dust
content.
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###Summary diagram structure summary table:
|Component | Function Description|
|------------------|--------------------------------------|
|Electromagnetic coil | generates magnetic field|
|Magnetic Separation Room | The main place for sorting materials|
|Magnetic medium | Increasing magnetic field gradient to improve sorting
accuracy|
|Feeding System | Precise Control of Feed Quantity|
|Discharge device | achieving separation of concentrate and tailings|
|Electronic control system | Control magnetic field, current, cooling, alarm,
etc|
|Cooling system | Cooling protection coil, commonly water-cooled|
|Rack and shell | Supporting equipment structure, protecting internal
components|
|Dust removal system (optional) | Maintain environmental protection and
reduce dust pollution|
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