EX-RP Recycle Pulverizer
with Screw Conveyor

High-Capacity Recycling Solutions from EXTRUTEX

The EX-RP Recycle Pulverizer with Screw Conveyor is EXTRUTEX’s dedicated platform for demanding plastic recycling applications. Designed in Austria and manufactured in our facilities in Nanjing and Shanghai, this system combines a robust pulverizing chamber with an integrated screw conveyor for continuous, controlled feeding. It is engineered to process difficult materials such as plastic pipe, plastic cloth, computer boards, golf balls and a wide range of post-industrial and post-consumer plastics at throughputs of up to 3500 kg per hour.

Recycling operations face unique challenges: irregular shapes, mixed materials, residual contaminants, and the need for consistent particle size to feed downstream extruders or compounding lines. The EX-RP Series addresses these challenges with a heavy-duty grinding system, reliable screw feeding, German-grade stainless steel contact parts, and premium electrical components from ABB, Siemens and Schneider Electric.

Whether you are recycling thick-walled plastic pipes, flexible plastic cloth and films, electronic computer boards, golf balls or other bulky and tough plastic waste, EXTRUTEX can design a complete machine and line tailored to your capacity, material mix and final powder specification.

In-Depth Technology & Application Guide – EX-RP Recycle Pulverizer

Plastic recycling has become a critical industrial process driven by both economic and environmental imperatives. Converting post-industrial scrap and selected post-consumer plastics back into usable powder or regrind requires equipment that can handle irregular shapes, varying wall thicknesses, residual contaminants and high mechanical toughness. The EX-RP Recycle Pulverizer with Screw Conveyor from EXTRUTEX is specifically engineered for these demanding conditions, offering continuous high-capacity size reduction of materials such as plastic pipe, plastic cloth, computer boards, golf balls and many other difficult-to-process plastics.

Conventional pulverizers often struggle with bulky or thick-walled items. Plastic pipes can bridge or cause uneven feeding. Flexible plastic cloth and film tend to wrap or mat. Computer boards contain mixed materials and can be highly abrasive. Golf balls combine hard outer shells with complex internal structures. Without proper pre-conditioning and controlled feeding, throughput drops, particle size becomes inconsistent and wear increases dramatically. The EX-RP platform solves these problems through a combination of robust grinding technology and an integrated screw conveyor that delivers material into the pulverizing chamber at a steady, controlled rate.

The screw conveyor is a key feature of the system. It accepts irregularly shaped or bulky feedstock and meters it into the grinding zone, preventing overload and ensuring continuous operation. This controlled feed is essential for maintaining stable particle size and maximizing the utilization of the grinding energy. Operators can adjust screw speed to match the characteristics of different materials, from rigid thick-walled pipe to flexible cloth or dense items such as golf balls.

Inside the pulverizing chamber a high-performance grinding system reduces the material to the target particle size. The design prioritizes both impact and shear so that hard and tough plastics are efficiently broken down without excessive heat generation. German-grade stainless steel is used for all product-contact surfaces, providing excellent wear resistance and protecting the purity of the recycled powder. This is particularly important when the output will be reused in extrusion or compounding processes where contamination must be minimized.

Electrical systems follow the same high standard applied across the EXTRUTEX range. Main motors and drives are supplied by ABB or Siemens, while control components come from Schneider Electric. Variable-frequency drives allow precise matching of rotor and conveyor speeds to the material being processed. Safety interlocks, emergency stops and clear operator interfaces are designed according to European principles, even though final assembly takes place in Nanjing and Shanghai.

Capacity is a defining characteristic of the EX-RP Series. Systems can be engineered for throughputs of up to 3500 kg per hour, making the platform suitable for medium to large recycling operations. Actual capacity depends on material type, feed size, moisture content and the required final particle size. EXTRUTEX application engineers work with customers to determine the optimal configuration—grinding chamber size, motor power, screw conveyor design and any necessary pre-shredding or classification stages—so that the complete line meets the target output reliably.

Because many recycling plants process multiple material streams, the EX-RP system is designed for relatively rapid cleaning and change-over. Access doors and inspection points allow operators to clear residual material and inspect wear parts efficiently. The stainless-steel construction further simplifies cleaning and reduces the risk of cross-contamination between different plastic types.

Dust management is another critical aspect of recycling pulverizing. Fine particles generated during size reduction must be effectively captured to protect both product quality and the working environment. The EX-RP platform is designed for integration with industrial dust-collection systems. Sealed connections and carefully engineered airflow paths minimize fugitive dust while allowing the main grinding process to operate at high efficiency.

Typical applications illustrate the versatility of the system. Plastic pipe recyclers use the EX-RP to convert thick-walled HDPE, PVC or PP pipe into free-flowing powder or regrind that can be fed back into pipe extrusion lines. Producers of plastic cloth and flexible packaging reduce film and fabric scrap into usable material. Electronic recyclers process computer boards and related plastic components. Specialty recyclers handle golf balls and other complex molded items that would otherwise be difficult to reclaim. In each case the combination of screw feeding, robust grinding and controlled particle size delivers consistent feedstock for downstream processes.

EXTRUTEX does not simply supply a standalone machine. The company designs complete recycling lines around the EX-RP pulverizer. A typical line may include a primary shredder or granulator for size reduction of very large items, the screw-conveyor-fed pulverizer, dust collection, optional classification or screening, and conveying or packing systems for the finished powder. This integrated approach ensures that capacity, particle size and material handling are balanced across the entire process.

Long-term ownership costs benefit from the use of standardized European electrical components and durable mechanical construction. Spare motors, drives and control parts are available through global networks. Wear parts such as grinding elements are designed for straightforward replacement, minimizing downtime. The heavy-duty frame and precision balancing of rotating assemblies contribute to low vibration and extended bearing life even under continuous high-load operation.

Energy efficiency is addressed through high-efficiency motors and the ability to match process speeds to the material. Overfeeding or underfeeding a pulverizer wastes energy and reduces output quality. The screw conveyor and variable-speed drives of the EX-RP system give operators the tools to keep the machine in its optimal operating window, lowering specific energy consumption per kilogram of recycled powder produced.

Safety features follow European machine-directive thinking. Access to the grinding chamber and rotating parts is interlocked. Emergency-stop circuits are clearly located and reliably engineered. Guarding around the screw conveyor and elevated platforms protects operators during normal production and maintenance. These features help recycling plants meet internal safety standards and external regulatory requirements.

The design philosophy of the EX-RP Series rests on three pillars. First, the ability to handle real-world recycling materials—pipes, cloth, boards, golf balls and mixed scrap—without constant intervention. Second, European-level quality of materials and electrical systems combined with efficient manufacturing in China. Third, the capability to engineer complete lines that match the customer’s capacity, material mix and quality targets, up to and including systems rated at 3500 kg/h.

These principles translate into practical advantages on the factory floor. A pipe recycling plant can feed thick-walled sections continuously via the screw conveyor and obtain consistent regrind for re-extrusion. A film and cloth recycler can process flexible materials without excessive wrapping or bridging. An electronics recycler can size-reduce computer board plastics effectively. In every case the system supports higher overall equipment effectiveness and a lower cost per tonne of recycled material.

Looking forward, the EX-RP platform is designed for longevity and adaptability. As recycling streams evolve and new materials appear, the basic architecture of screw feeding plus robust pulverizing remains relevant. Additional sensors, improved wear protection or enhanced dust-collection interfaces can be integrated without redesigning the core machine. This future-proofing protects the customer’s investment in a high-capacity recycling asset.

In summary, the EX-RP Recycle Pulverizer with Screw Conveyor from EXTRUTEX offers a complete, high-performance solution for processors who need to convert difficult plastic waste—plastic pipe, plastic cloth, computer boards, golf balls and similar materials—into consistent, reusable powder at rates of up to 3500 kg per hour. Designed in Austria, manufactured in Nanjing and Shanghai, and equipped with German-grade stainless steel and premium European electrical components, the system delivers the reliability, capacity and flexibility required by modern recycling operations.

EXTRUTEX application engineers are ready to evaluate your specific materials, capacity goals and plant layout, and to design a complete machine and line that meets your requirements. From initial process trials through installation, training and ongoing support, the company partners with customers to turn challenging plastic waste streams into valuable recycled feedstock.

Why Choose EXTRUTEX EX-RP Recycle Pulverizer?