NEXT LEVEL SORTING at STENA
The metal recycling expert Stena was able to specifically optimize the material feed in front of three XRF sorters by using the ActiveFEED. The aim was to solve the problems of the old material feed, make optimum use of the high-quality sensor technology and raise the sorting quality and throughput to the absolute optimum.
A highly automated sorting plants for non-ferrous metals – with sensor-based sorting and high quality and throughput requirements.
Stena Nordic Recycling Center, Halmstad (Sweden)
Non-ferrous metal fractions, including Zorba, Zurik, copper, brass
Feeding of three XRF sorting devices
Optimization of sorting results, throughput control, retrofit
IN USE
The ActiveFEED replaces the previous material feed.
Despite modern sensor technology, the existing feed technology was slowing down the entire line. Material flow was anything but constant – with noticeable consequences for quality, effort and system availability. It became clear that the performance of the sensor sorting system was directly dependent on the material feed. Daily attempts were made to manually control the throughput and prevent Blockages, underfeeding and overfeeding.
The feeder thus became the limiting factor for the entire sorting line.
The sensor sorting system should be operated as it is designed – with a defined material quantity and even distribution.
The focus was on:a
The video shows how Stena came across the ActiveFEED through internet research. After a test in the SPALECK TestCenter with Stena’s materials, it was clear: the ActiveFEED is the simple technical solution to achieve NEXT LEVEL SORTING.
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The SPALECK ActiveFEED takes on the task of keeping the target throughput stable once it has been defined – even under changing material conditions. As a result, the sensor sorting system receives exactly the material flow for which it is designed.
Before the ActiveFEED was installed at Stena, SPALECK tested the solution in its own TestCenter – with original material from Halmstad. This allowed the performance and parameters to be precisely assessed in advance.
Inventory of the line,
Material flows and targets.
Tests in the SPALECK TestCenter with original material.
Project-specific design and construction of the ActiveFEED.
Installation in the existing line and connection of the control system.
Commissioning, fine-tuning & handover to the Stena team.
TRANSFERABILITY for your preparation
The project at Stena shows how important an optimal material feed is for sensor-based Sorting plants. This is precisely where the ActiveFEED comes in as a clock generator.
Uniform and defined feeding improves sorting quality, increases usable throughput and reduces manual intervention.
The solution is transferable to, among other things:
Exchange with our experts for Screening technology and material feed
Would you like to find out more about optimized material feeding for your XRF sorting systems? Or do you already have a specific project in mind? Then let’s talk about your material and your XRF sorting needs. I’d be happy to show you more case studies and examples of how our systems are used.
We would be happy to advise you in detail on how you can easily optimize your XRF sorting process with the help of ActiveFEED.
Here you’ll find important questions and answers about ActiveFEED, the sorting quality and performance optimizer.
The ActiveFEED infeed unit pays for itself from day one, as it significantly increases the recovery rate of non-ferrous metals in metal recycling, for example. In many cases, the payback period is less than half a year. We’d be happy to advise you personally on this. You can see exactly how it works in case studies such as those from STENA Recycling or KMR Recycling.
Switching to a SPALECK ActiveFEED infeed unit optimizes material feed in recycling plants. The constant feed actively prevents overfeeding or underfeeding of sorting equipment. This improves sorting quality in the Recycling process and, as a result, increases recycling options. Many recyclers report that this helps them take their sorting to the next level. Take STENA Recycling, for example, as shown in this feedback video.
Yes, you can easily retrofit the SPALECK ActiveFEED infeed unit. Many of our customers replace their standard feed units and achieve significantly better and more profitable sorting results as a result. See the feedback from our customer STENA here to learn how easy the replacement is.
Yes, the ActiveFEED is ideal as a feeding system for X-ray sorting technology, such as XRF or XRT sorting systems. When used with XRF and XRT sorting machines, it enables fully automatic, continuous material feeding. This allows recycling companies to use the ActiveFEED to feed their sorting machines fully automatically with the optimal amount of material for each specific sorting machine and recycling material. This increases both sorting efficiency and throughput. In addition, sorting quality can be significantly improved through optimal feeding. Read the case study by STENA Recycling and the recycling expert Skrotfrag for more information.
The ActiveFEED infeed unit is available in sizes ranging from 2 to 50 m³. We would be happy to advise you on the optimal size for your recycling application.
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