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SorterProduction of Iron Ore concentrate by Hybrid Method
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STEINERT XSS T
X-Ray Sorting System
The X-Ray Sorting System XSS T creates exciting new possibilities for automated sorting of mixed material. The STEINERT XSS T uses a "Dual Energy" system to determine material density while overcoming the effects of thickness and shape. It "sees" through the pieces, recognizing different material densities, different metals, components containing halogens, and organics. Composite materials and embedded items (screw, nails) can be also recognized. This X-Ray sensing enables light metals to be sorted from heavy metals, PVC from plastics, stone from wood chips.
The STEINERT XSS X-Ray Sorting System greatly increases therange of possibilities for sorting mixed minerals.
The absorption depends on both the solid density and material thickness. The larger the atomic mass and the thicker the material, the greater the absorption. In order to compensate, the thickness of the material to be sorted is analysed on two different energy levels known as "Dual Energy". This allows the software to measure the absorption specific for the material.
A common feature of all STEINERT sorting systems is that every individual particle in the material flow is recognized and classified.
The long, fast-running belt ensures that the particles are singulated and homogeneously distributed. While they pass the X-Ray source and camera, they are recognized and classified in a fraction of a second according to pre-set criteria programmed in the flexible system software.
If classification matches the previously defined criteria, the particle is ejected by a powerful blast of compressed air out of reliable, fast-action compressed air valves.
One important application of the X-Ray Sorting System STEINERT XSS T is the separation of mixed light and heavy metals, such as the mixed non-ferrous product from eddy current separators. The STEINERT XSS T makes it possible to separate aluminium and magnesium from the heavy metals fraction such as copper, zinc and lead. It is also possible to separate cast aluminium from wrought aluminium as well as heavy metal alloyed aluminium from other aluminium.
When processing minerals, metal bearing rock can be separated from metal-poor rock or coal from stone. This saves large amounts of energy in the area of fine milling and fine particle sorting, thus substantially improving the economics of current mineral processing operations.
Composite materials and even surface details in organic materials can also be recognized and separated by the X-Ray Sorting System STEINERT XSS T. Even plastics and wood can be separated
- Sorting priciple: Density separation based on X-Ray transmission
- Grain size: 10 - 200 mm
- Throughput: up to 100 m3/h*m ( depend on application)
- Working width: 1000 mm, 2000 mm
- Durability X-Ray Source: 20.000 h
- Durability sensors: 40.000 h
Non-Ferrous Metal Separator
The mechanical recovery of non-ferrous metals is the economic basis of all recycling - and the STEINERT NES with Eccentric Pole System fulfils the associated requirements perfectly! High yield and long life are the qualities. That make for assured, long-term operating result. The non-ferrous metal separator can be used wherever non-ferrous metals have to be recovered or separated, e.g. where shredder material, municipal waste, WTE bottom ash, electronic scrap, wood chips, glass, batteries or foundry sand are processed.
non-ferrous metals with grain sizes down to 1 mm can be separated thanks to the eccentric system.
Principle: A non-ferrous metal separator basically consists of a short conveyor driven from the feed end. A rapidly rotating system of permanent magnets - the pole system - which generates high-frequency changing magnetic fields, is incorporated in the head drum. These fields create strong eddy currents in the non-ferrous metal parts, in which their own magnetic fields, opposing the external fields, now build up. The NF-metal parts jump out of the remaining material flow. STEINERT's patented eccentric pole system guarantees the maximum efficiency in this process, delivering top-quality separation and longterm operation!
The patented, eccentric magnetic pole system! Thanks to the magnetic pole system mounted eccentrically in the head drum of the STEINERT non-ferrous separators, the effect of the changing magnetic fields is concentrated exactly on an area within which the material is most effectively subject to the forces. The pole system can be adjusted so that this position can be changed in order to have the maximum effect on the discharge parabola, and so to further amplify the effect of the forces
In the concentric pole systems offered by our competitors, the effect of the magnetic field is frequently felt too early, with the consequence that the non-ferrous metals are prematurely ejected from the magnetic field, thus resulting in their not being adequately deflected. The eccentric pole system, in contrast, ensures that the influence of the magnetic field is only at a maximum at the moment of se-paration, and that no magnetic field is generated at other positions on the belt drum. Residual ferrous metals cannot adhere to the head drum, which means that wear on the belt and the self cleaning drum shell are reduced to an absolute minimum - another important difference from the concentric system.
STEINERT achieves its extraordinary separation results thanks to the use of neodymium-iron-boron magnets, a thin conveyor belt and an drum body made from fibre-reinforced composite materials. Together, these features ensure maximum field strength and exact,efficient separation. The eccentric pole system is also protected by a sealed cover of stainless steel.
Normally, the bulk density increases with decreasing particle sizes. This increases the importance of the mass throughput. For coarse and light materials, the working width is determined by the volume -related throughput. Deep, medium - frequency fields are required for these types of material. Fine grained material requires less extensive, but higher frequency fields. All these are available in STEINERT's patented eccentric design.
STEINERT offers by far the widest range of non-ferrous metal separators. This guarantees finding the most costeffective solution for every application! The wide range of models is based on three series of units with special magnetic pole systems and working widths ranging from 500 to 2500 mm (16"- 80").
The Standard Series 50 functions with medium grain sizes - larger than 5 mm - and with high throughputs. The selectivity is high and additionally offers the plant operator security in case of variations in throughput and materials - smaller packaging and composite materials can be reliably recovered.
The Series 61 is optimally used with particle sizes of 1 to 20 mm. It ensures the highest yields of metals, from fine materials usually considered inseparable. Typical applications include the fine fraction of shredder waste, municipal waste, WTE bottom ash or old foundry sands from the aluminium industry.
To ensure maximum cost-benefit ratio, STEINERT also offers special belts, discharge arrangements and control specially designed for the respective applications. The optional rotary splitter, for example, improves the discharge of long, stringy materials. The different control make it possible to link the unit to a central plant control.
STEINERT engineers have developed tried and tested special solutions in intensive cooperation with customers. For example, the "pre-head" discharge is used to improve the dry sorting of non-ferrous heavy metals and aluminium. This involves reversing the direction of rotation of the magnetic pole system. The separation immediately occurs after the vertex of the head drum. Compact, spherical parts caused to rotate by the magnetic pole beneath the pole drum. Flat or wireshaped parts, in contrast, are discharged in the belt direction of travel.
Our R&D department is glad to conduct tests of your material.