
Wet Drum Magnetic Separator Design
wet drum magnetic separator design

Wet drum magnetic separators are widely used in the mining industry for the separation of magnetic particles from non-magnetic particles. The design of these separators plays a crucial role in their effectiveness and efficiency.
To create a successful wet drum magnetic separator design, it is important to consider several key factors. The first is the magnetic field strength, which is determined by the magnetization of the permanent magnets or electromagnets used in the separator. This field strength should be optimized for the particular application and the size of the particles being separated.
Another important factor is the drum speed, which determines the residence time of the particles within the magnetic field. A high speed can increase the throughput of the separator, but may also decrease the separation efficiency. The size of the drum itself is also important, as it affects the volume of material that can be processed at one time.
Other design considerations include the arrangement of the magnetic poles within the drum, the positioning of the feed and discharge points, and the shape of the drum in relation to the magnetic field. These factors can all impact the effectiveness of the separator and should be carefully considered in the design process.
Reference comments
Based on experience, the following two conventional styles have been summarized:

|
Part No |
D |
H |
A(ID) |
B(OD) |
Weight (Kg) |
|
MD-d-NR-150 |
159 |
320 |
200 |
200 |
15 |
|
MD-d-NR-200 |
219 |
320 |
250 |
250 |
25 |
|
MD-d-NR-250 |
273 |
320 |
300 |
300 |
40 |
|
MD-d-NR-300 |
325 |
320 |
350 |
350 |
52 |
|
MD-s-NR-150 |
159 |
240 |
200 |
200 |
12 |
|
MD-s-NR-200 |
219 |
240 |
250 |
250 |
25 |
|
MD-s-NR-250 |
273 |
240 |
300 |
300 |
37 |
|
MD-s-NR-300 |
325 |
240 |
350 |
350 |
46 |

|
Part No |
Dia.A |
Dia.C |
Dia.B |
H |
D |
No. of rods |
Weight (Kg) |
|
FL-D125 |
168 |
133 |
32-76 |
200 |
300 |
5 |
15 |
|
FL-D150 |
219 |
159 |
57-108 |
250 |
400 |
7 |
20 |
Note: The above are conventional models and can be customized
Optional
|
Temperature |
80-350 ℃ |
|
Material |
SUS304,SUS316,SUS316L |
|
Magnetic field strength |
2000-13000gs |
|
Easy to clean |
whether device easy to clean |
|
Backflow bar |
Whether to configure backflow bar |
Cleaning method
Once the magnetic or weak magnetic substance is adsorbed on the strong magnetic rod, it is usually more difficult to remove, so the easy-to-clean design is a best practice in the industry.
The easy-to-clean design is to add a jacket to the outside of the magnetic rod. After the magnetic rod is extracted, the magnetism on the jacket disappears and the adsorbed foreign matter will fall off automatically. As shown below.

Cleaning method without easy cleaning design:
|
Wrong way to clean |
The right way to clean |
|
1) Use high-pressure air for purging |
1) Use the method of washing with water (suitable for wet washing), coupled with a special rag. |
|
2) Use a rag to clean, and then clean the rag before wiping other places. |
2) Use a disposable non-woven fabric for wiping and discard after use. |
|
3) Use a brush to clean |
3) Use a rag special for the magnetic rod to avoid the adsorbed metal powder being carried to other places with the rag. |
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