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Ore Sensor-Based Sorting

For efficient concentration of valued ores, STEINERT has the right solution for you.

Unparalleled sorting quality: STEINERT ISS®, STEINERT XSS® T EVO 5.0, STEINERT KSS, the STEINERT UniSort range

The modular structure of the STEINERT KSS (combination sensor sorter) provides for a dynamic solution for complex tasks in material separation. The STEINERT KSS combination sensor-based sorting system is a platform on which various sensors can be deployed which includes 3D laser, colour and induction detection. The system can also be fitted with a fourth sensor (near-infrared, x-ray transmission or x-ray fluorescence sensor) – all in one machine.

There is therefore a wide variety of options available depending on the sensor combination.

PROVIDES SORTING SOLUTIONS FOR:

  • Selective high grading of existing waste dumps
  • Reduction of environmental risks and costs – smaller tailings dam footprint
  • Optimisation of multiple process streams, for example, sending appropriate ore to the mill and leach heaps
  • Pre-concentration of ore underground or at remote satellite sites, in order to reduce transportation costs
  • Lowering customer operating costs
  • Improving ore grade to make marginal ore bodies more viable

More value creation using powerful x-ray sorting systems from STEINERT

High-tech for better processes: x-ray transmission and x-ray fluorescence for a wide range of possibilities to extend the sorting depth

STEINERT x-ray sorting systems significantly extend the usable information in the raw materials sector for classification of materials by their characteristics and so provide an important contribution to improved recovery of valuable residues and the use of resources.

Our STEINERT XSS T EVO 5.0  separates a wide variety of materials for you based on differences in density. Applications range from the sorting of non-ferrous metal scrap into light and heavy metals, ore sorting and the cleaning of secondary fuels through to pre-concentration in the mining industry. The STEINERT XSS T EVO 5.0 is thus an established sorting system, which also ensures high availabilities even under adverse ambient conditions.

The STEINERT XTS x-ray sorting system is a specific version of our STEINERT XSS T EVO 5.0 which satisfies the special requirements in the sorting of diamonds. This system is particularly suitable for the fine grain range.  

X-ray fluorescence technology provides a further opportunity to attain more precise knowledge of materials. X-ray fluorescence analysis (XRF) has long been an integral part of chemical analysis in the laboratory sector. The STEINERT KSS | XF L sorting system uses x-ray fluorescence to detect and sort, so therefore based on the elemental composition of the sortable material. This means for instance that copper can be distinguished from brass or zinc due to the inherent elements. This is also possible even if the surfaces are heavily soiled, as is often the case with metals from waste incineration.

  • STEINERT XSS T EVO 5.0, STEINERT XTS, STEINERT KSS | XF L
  • Safe use of x-ray technologies
  • Dry density sorting using x-ray transmission
  • Sorting by material composition using XRF

STEINERT XSS® T EVO 5.0

For sorting into density classes

STEINERT KSS | XT CLI

For sorting using colour, 3D, metal and density detection

STEINERT XTS

For sorting into density classes in the fine grain range from 4 to 100 mm

STEINERT KSS | XF L

For sorting using x-ray fluorescence (XRF) – based on the elemental composition of the sortable material

STEINERT KSS | XF CLI

For sorting using colour, 3D and metal detection and detection of elemental composition

STEINERT CHUTEC®

Metal recycling with high material recovery 

STEINERT XSS® T EVO 5.0

For sorting into density classes

Reliably sort all metals with the STEINERT ISS® induction sorting system

Produce residual material containing no metal and recover residual metals with the STEINERT ISS® – and at the smallest grain sizes in metal recovery: STEINERT Fines ISS®

The STEINERT ISS® induction sorting system is the perfect addition to magnetic sorting and eddy-current separation for recovering residual metals from a mix of materials. It is especially suitable for stainless steels and composite materials such as cables or circuit boards. It can be deployed with a focus on producing recoverable metal concentrates, such as zurik or a stainless steel fraction. The aim of treatment may however also be to produce a metal-free residual fraction containing less than 1% metal in order to meet acceptance qualities, e.g. in the production of recovered fuels. Both tasks are the core applications of the STEINERT ISS®.

Our induction sorting system includes an acceleration belt on which the sortable material is transported through the detection area while at rest. Under the conveyor belt, there is a modern inductive metal sensor that produces an electromagnetic field. Any conductive object passing through the sensor area is detected at a sensitivity of significantly less than 1 mm. Following detection and classification, the metal part to be sorted is deflected from its trajectory using a targeted blast of compressed air and is ejected from the material stream.

Sensors for all eventualities
Depending on the requirements of the application case, sensors are available with a coarse or fine resolution resulting from the coil diameters used. We also provide two different types of sensors that can also be selected depending on your specific application. As an all-metal separator for simple applications, such as producing a residue containing no metal, the tried- and-tested all-metal separator offers great value for money and meets all requirements. However, if more complex tasks require more elaborate signal capture and interpretation, we can provide the ARGOS metal detector equipped with a combination sorting system controller. The purely digital sensor combines conductivity detection and image processing, thereby improving the sorting result because the sensor provides more accurate information about all particles detected. The sophisticated view of the inductive metal signals enables enhanced sorting, for example, sorting between stainless steels, cables and circuit boards. Our STEINERT ISS® operates in a grain size range from 1 mm to 200 mm and is available in working widths from 600 mm to 3,000 mm.

For especially small grain sizes
The STEINERT Fines ISS® represents a special design option of the induction sorting system optimised for the grain size range from 1 mm to 20 mm. The STEINERT Fines ISS® meets the ever increasing demand for metal separation systems in small grain sizes down to less than 10 mm. Shredder fractions in these grain sizes usually contain large amounts of fine copper wires that cannot be accessed using eddy-current separation. Recovering these small metal particles from the residual shredder fraction may therefore be an interesting feature for shredder operators. In the STEINERT Fines ISS®, we have therefore coordinated all machine elements to the fine grain range. For example, the jet of compressed air for deflecting metal parts out of the discharge occurs from top to bottom to take into account the higher air resistance of small particles. The very first STEINERT Fines ISS® sensor sorting systems were successfully used in shredder operations. In the meantime, the STEINERT Fines ISS® has also proven its worth in other areas, such as the separation of metal from combustion ash in substitute fuel power plants and metal separation in the process of sorting PET flakes in plastic recycling. We supply our STEINERT Fines ISS® in working widths of 1,000 mm and 2,000 mm.

  • ISS = induction sorting system
  • Proven technology for separating all metals
  • Two sensor types with different resolutions to adapt to your specific scenario
  • special STEINERT Fines ISS® for fine-grain sorting

STEINERT’s colour sorting systems allow you to detect valuable residues

Utilise surface colour differences with colour sorting systems from STEINERT

Colour sorting is one of the oldest ways of classifying materials using sensors to separate valuable residues. The detection of colour corresponds closely to the sensory perception achieved by the human eye. Using colour information alone, humans can distinguish between copper and brass or blue and green PET flakes, for example. 

The human eye is able to perceive colour information in the visible light spectrum (VIS) of around 400 to 780 nm. The VIS spectrum is located precisely between the ultraviolet (UV) and infrared (IR) light spectra, neither of which can be seen by the human eye. 

Our detection systems for the VIS spectrum detect colour nuances with high precision in the RGB colour space and are able to detect around 16.8 million colours. We use LED emitters to illuminate the detection area. These emitters deliver numerous benefits in the desired wavelength range and colour spectrum thanks to their long service life, rapid response times, high light intensities and high energy efficiency. 

When colour sorting, colour information about the surfaces of the sortable material is determined and used for classification purposes. As with most information obtained using sensors, this mainly relates to secondary features which can be used to characterise useful differences. 

The colour information in our UniSort Finealyse can therefore be used in isolation or in combination with NIR or metal detection to sort non-ferrous metals or plastic flakes as of a grain size of 3 mm. 

In our STEINERT KSS combination sensor sorting system, colour along with 3D detection can also be complemented by other available detection systems to help with the production of high-quality concentrates for applications such as cables, printed circuit boards or stainless steel. 

  • STEINERT KSS | CLI: Non-ferrous metal and printed circuit board sorting (Zorba or Zebra)
  • UniSort Finealyse: Copper and heavy metal sorting & sort plastic flakes by colour
  • Sorting on the basis of optical features
  • The low-cost way to separate non-ferrous metals 
  • Make effective use of colour information

UniSort Finealyse

For sorting using NIR technology – detection of chemical composition (here in 5 – 20 mm bulk materials)

STEINERT KSS® | CL

High-precision detection of colour differences

Think Sanwest

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