HMS Cleaning

Clean scrap for improved meltshop efficiency

Purposely improving the quality of steel scrap is for SICON the driving force behind the heavy metal scrap (HMS) preparation process. HMS scrap is cleaned intensively and any NF metals that are still present are separated. The result is a scrap quality with a considerably higher FE content and reduced NF parts (specifically copper and aluminum).

A highly efficient and reliable scrap screening process with integrated metal recovery step that was specifically developed for this application enables a significant improvement in quality while delivering additional scope of metal recovery at the same time. The innovative combination of efficient SICON screening and magnetic separation produces optimum results.

SICON’s HMS concept is built on a modular design and as a result can be implemented gradually. The SICON NF separation unit that was specifically developed for this application can also be integrated in the HMS processing step for refining separated NF metals and screened fraction (fines). Of course, these solutions can also be implemented separately and offline.

Input Material

Output Material

Pictures (on request)

Product Video (on request)

Your benefits at a glance

Economic advantages

  • Reduction of Power On Time of 2-3 min per heat
  • Reduction of electric energy consumption of 30-35 kwh per ton of raw steel
  • Reduction of lime consumption of more than 8 kg per ton of raw steel
  • Secure production thanks to the separation of exposed Ne-metals (Copper, Zinc, Aluminum)
  • Raise of liquid yields of 2-6 %

Operative advantages

  • Efficient cleaning (screening and magnetic separation) of cut scrap (HMS)
  • Most efficient system for the separation of (magnetic and non-magnetic) fines
  • No loss of heavy metal scrap in separated fractions
  • Additional proceeds from separated NF metals
  • Reliable technology for high throughput
  • Delivery to customer specifications, including structural steel and infeed belt
  • Quick return on investment (ROI)

Metallurgical advantages

  • Higher metallurgical yields in the smelting process due to higher FE content in the scrap with lower slag output
  • Reduced quality risk due to integrated separation of NF metals (primarily copper separation)
  • Decrease in the required specific smelting energy

Technical specifications

  • Throughputs ranging from 20 to 200 t/h possible (even over multiple shifts due to the system’s high availability and ease of maintenance)
  • Removals of fines with the aid of an integrated cascade-type screen having a specific screen geometry
  • Separation of FE scrap using overbelt magnets and drum magnets (depending on throughput)
  • Optional separation of non-ferrous metals with the aid of eddy current and induction separators
  • Optional removal of FE scrap using mobile belt conveyors

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