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Impurity detection - The protective shield for your extruder

Our contaminant detection ensures reliable processes by guaranteeing a continuous material flow and effectively sorting out detected contaminants in a targeted manner. These detection systems extend the service life of the screws in your extruder and thus contribute to high process reliability. At the same time, the risk of failure and downtime due to contaminated starting substrates is minimized.

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    Lehmann-UMT's impurity detection systems are specially designed for extruders and the associated feeding technology. Conveyor systems are equipped with all-metal detection and stone separators. Contaminants such as metals of all kinds and stones are reliably detected and safely removed.

    The main function of the contaminant detection systems is to minimize wear and thus extend the service life of the screw elements of your extruder. This leads to minimal downtimes, as contaminants are reliably sorted out. With Lehmann systems, you protect your investment.

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    The feeding technology is equipped with all-metal detection in the form of an all-metal detector and a so-called stone trap. This equipment serves to protect your extruder and other downstream systems by preventing wear caused by foreign substances such as stones and metals of all kinds, thus considerably extending the service life. You benefit from reduced costs and increased process stability.

Properties

The impurity detection systems are equipment for conveyor systems that transport the biological material to the extruder. The conveyors are equipped with special components that reliably detect and automatically sort out all metals and stones.

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The systems are characterized by their high flexibility, whereby the discharge height harmonizes perfectly with all extruder sizes and series. You enjoy maximum compatibility, as there is a standardized belt size that is suitable for all systems. In addition, the conveyor belt is equipped with an integrated self-cleaning function, which effectively removes material residues from the returning belt.

The all-metal detection works via induction and identifies even the smallest metal objects, which are reliably sorted out. The fineness of the all-metal detection is flexibly adjusted to the requirements of the process. The stone separator reliably selects the stones and ensures optimum process sequences.

The impurity detection systems ensure a continuous material flow and thus increase output rates. They reduce wear on the extruder and its screws, which leads to longer maintenance intervals and downtimes. At the same time, your personnel and service costs are minimized.

Service

  • Worldwide service

    With our worldwide service and trained specialists, we are always there for you on site. We are your agile spare parts supplier and partner, from planning, design, production, assembly and commissioning on site to comprehensive service.

    We also offer to carry out tests with individual customer materials to guarantee you maximum safety. At the same time, we support you in further optimizing your processes with the help of individual usage and process analyses.

  • Complete system

    Our impurity detection system serves as an accessory for the extruder and ensures a reliable material flow, resulting in the highest output rates. On request, the Lehmann-UMT extruder can be combined with the appropriate impurity detection, feeding, shredding, mixing and dosing technology. The result is a complete environmental technology system that covers the entire value chain and guarantees reliable processes. Taking into account the materials used and the prevailing space conditions, the overall system is designed to fit your process perfectly. We supply customized solutions for optimum productivity.

  • High-quality materials

    The system is made from high-quality materials and has an extremely robust design, which keeps wear to a minimum. The system is also extremely easy to maintain and service, as the wearing parts are easily accessible and can be replaced quickly and easily by trained personnel. Our sustainable insertion technology makes a positive contribution to resource conservation and reduces waste.

    The long service life and maintenance intervals help to reduce costs, increase profitability and investment security by shortening the amortization period of the system.

Advantages

  • Cost benefits and protection against wear

    Our contaminant detection systems protect your extruder against wear and the welding of screws by metallic objects in the process. They reduce your wear, spare parts and maintenance costs while helping to protect the environment and conserve resources.

  • Maximum process reliability through reliable discharge of impurities

    The system ensures maximum process stability by reliably detecting impurities such as metals and stones and removing them from the process. As a result, the system runs trouble-free and shows only minimal signs of wear.

  • Highest machine availability and maximum output rates

    The reliable and constant feed of contaminant-free biomass into the extruder minimizes downtimes, resulting in the highest output rates. At the same time, this increases the profitability of the system and enables you to increase machine availability.

  • Comprehensive worldwide service

    Our outstanding global service ranges from on-site installation and commissioning to spare parts service and a wide range of training courses. We are your reliable partner.

  • Compatibility

    The impurity detection systems are extremely flexible and can be individually adapted to all extruder series. A standardized belt size is available for all systems to ensure maximum compatibility.

  • Production reliability through agile spare parts service

    As your spare parts partner, we are available for you worldwide. We guarantee reliable deliveries and always have the appropriate wear parts in stock.

Areas of application

Impurity detection is used either in complete environmental technology systems or as optional equipment for the extruder. The system detects stones and any metals in biological substrates and protects your extruder from wear.

Find out more about Lehmann-UMT impurity detection.
Our service goes far beyond the delivery of our systems. We offer you comprehensive support, from individual advice from our experienced experts to instruction and training for the safe use of your system.

Together we move environmental technology forward.
Arrange a consultation appointment now and see for yourself.