Mini-conveyor with a built-in magnetic pulley. KSMB model

Mini-conveyor with a built-in magnetic pulley. KSMB model

Research and Production Company ERGA has designed and successfully introduced in production mini-conveyors with built-in pulley guard magnets of KSMB series for separation of various conveyed materials.


KSMB mini-conveyors are designed for separation of ferromagnetic and nonmagnetic parts from the general flow.


KSMB separators are usually used when there is a possibility of installation of new equipment into existing process line.

Operation principle

KSMB separators are designed as horizontal belt transporters, with a magnetic system implemented inside the pulley. Magnetic drum is installed in the upper part of the conveyor frame, its diameter varies from 240 to 450 mm; and its length depends on the width of the conveyor. Principle of operation of this equipment is basically separation of magnetic and non-magnetic materials by the magnetic field, generated by rare-earth Nd-Fe-B permanent magnets. Ferromagnetic materials are drawn to the drum surface under the influence of a powerful magnetic field and are held there until the conveyor belt leaves the drum surface. Then the magnetic field disappears and ferromagnetic materials are discharged into a special container. Non-magnetic materials continue their way for further processing at a tangent to the surface of the drum. A wide range of available conveyor dimensions allows production of lines with various capacity from 1 to 250 t/hour. Transporting element is a highly wear-resistant conveyor belt, which significantly lowers magnetic induction losses, caused by increasing the gap between the drum and the product. It is important to keep uniformly distributed product flow to guarantee effective separation, and it is necessary to remember that the lower the height of the product layer is, the more effective its separation is.


KSMB mini-conveyors with built-in pulley magnet separators effectively extract ferromagnetic elements from the product flow to get pure end-product and protect expensive equipment. High efficiency and low power consumption, in comparison with electromagnetic separators, make application of KSMB separators profitable in many industries, including mining and smelting, glass production, wood processing, construction, and recycling.

Technical characteristics

  1. Separated material fraction – 0.1 - 100 mm;
  2. Separated material moisture –to 10%;
  3. Capacity- 0.1 - 250 t/h;
  4. Magnetic system material - Nd-Fe-B, (BH) max > 290 kJ/m3;
  5. Magnetic induction on the surface of magnetic blocks at t=20 (°С) - 200 - 400 (mT);
  6. Maximum operating temperature - +80 °С (+120 °С);
  7. Magnetic separator cleaning system – automatic;
  8. Stability of magnetic properties is min. 10 years.

Technical parameters can be changed upon customer’s request. The separators are fire-proof machines, thus can be used in severe conditions that require strict compliance with safety standards. If you have difficulties with the choice of equipment or cannot find a suitable separator among the products presented, you can place an inquiry for the separator that meets your requirements.

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