Extrusion Asia Edition 2-2025

26 EXTRUSION & RECYCLING ASIA 2/2025 K 2025 均质化的第一阶段在预处理单元（PCU）中进行，该单元 对输入材料进行粉碎、加热、干燥、压实和缓冲处理。在回 收过程的初始阶段就对材料进行优化处理，为始终如一的高 质量最终产品奠定了基础。得益于专利的Counter Current ®技术，与 PCU 直接切线连接的挤出机能够持续不断地填 充加热并预压实的材料。即使对于像薄膜废料这样低堆积密 度的材料，PCU 也能够实现满负荷运转。PCU 能够处理异 常广泛的输入材料，堆积密度在每升 30 至 800 克的材料都 能在单个工作步骤中可靠处理，无需单独的团聚、称重或填 充单元。 T接下来是在双螺杆挤出机中进行的高强度均质化处理， 这对于多层薄膜来说至关重要，这样不同类型的聚合物才 能以最佳方式混合。这会产生具有改进机械性能的再生颗 粒，从而能够重新用于多层薄膜。“我们的 TwinPro 再次 证明，EREMA 不仅是单螺杆挤出机领域的领导者，而且 我们还提供高性能的双螺杆解决方案，凭借我们久经考验 的预处理单元在市场上脱颖而出，”马库斯·胡贝尔 - 林丁格 说道。 可靠地喂送极薄壁的消费后回收再生材料 最初为处理复杂的薄膜废料而开发的 TwinPro 现在为在 3D 包装回收中使用双螺杆挤出机开辟了新的可能。塑料包 装壁厚越来越薄的趋势增加了对挤出技术的要求。其中一个 特定的应用是从诸如酸奶盒之类的极薄壁包装中分选并热洗 过的 PP 碎片。由于进料材料的堆积密度极低且可能有水分 波动，这也是一项具有挑战性的应用。然而，TwinPro 能够 轻松处理这种通常在传统双螺杆系统中因重量轻、体积大而 造成进料问题的薄壁包装。此外，PCU 可靠地去除洗涤过 程中的残留水分，并对材料进行除臭。 EREMA www.erema.com https://edvanced.erema.com/ K 2025: Hall 9, Booth: C09 and at the Edvanced Recycling Centre: Outdoor area, CE03 9 号展厅，展位：C09 、 以及在先进回收中心：户外区域，CE03 New TwinPro System for Low Bulk Density Film at Full Throughput A t K 2025, EREMA expands its portfolio to include high- performance twin-screw extruder technology. With the new TwinPro, the Austrian provider of plastics recycling solutions combines the advantages of a twin-screw extruder with the proven strengths of its Preconditioning Unit (PCU) to be used for speci c recycling applications. EREMA spent two years intensively researching, testing, and further developing the twin-screw extruder concept pre- sented at K 2022. Working together closely with customers, they have developed a series production solution that is particularly adept at recycling production waste consisting of demanding multi-layer lms. The technology also opens up new perspectives for thin-walled post-consumer regrind material. "The TwinPro sees us bring a new product to market, and couple our unique PCU featuring Counter Current® tech- nology directly to a twin-screw extruder for the rst time," says Markus Huber-Lindinger, Managing Director at ERE- MA. "As a result, this system sets new standards for speci c recycling tasks. During development, we focused especially on combining our strengths in material processing with the advantages of a twin-screw extruder." E cient homogenisation of low bulk density lm for maximum recycled pellet quality in a single work step Producing high-quality recycled pellets using complex in- put materials such as multilayer lm consisting of PE-PA or PE-EVOH is a major challenge for the recycling process. This is where the new TwinPro comes in, with its key fea- ture of highly e cient homogenisation. The rst stage of homogenisation takes place in the pre- conditioning unit (PCU), which shreds, heats, dries, com- pacts and bu ers the input material. Optimised material preparation right at the start of the recycling process lays the foundation for consistently high-quality end products. Thanks to patented Counter Current® technology, the ex- truder, which is directly coupled at a tangent to the PCU, is continuously lled with heated and pre-compacted mate- rial. Even with low bulk density material like lm waste, the PCU is able to deliver full throughput. The PCU covers an exceptionally wide bandwidth of input materials, with bulk densities of 30 to 800 grams per litre reliably processed in a single work step, without the need for separate agglomera- tion, weighing or a stu ng unit. This is followed by intensive homogenisation in the twin- screw extruder, which is essential for multilayer lms so that the di erent polymer types are mixed in the best possible way. This produces recycled pellets with the improved me- chanical properties needed for reuse in multi-layer lms. "Our TwinPro demonstrates once again that EREMA is not only a leader in single-screw extruders, but that we also of- fer high-performance twin-screw solutions that clearly stand out on the market thanks to our proven preconditioning unit," says Markus Huber-Lindinger.