Explore our precision-engineered machinery and high-viscosity melt filtration assemblies designed to seamlessly pair with plastic agglomeration and pelletizing extrusion lines.
In modern post-industrial and post-consumer plastic recycling ecosystems, lightweight thermoplastic materials—such as low-density polyethylene (LDPE) thin films, polypropylene (PP) woven bags, expanded polystyrene (EPS) foams, and nonwoven synthetic fibers—present severe handling challenges. Characterized by extremely low bulk density (often ranging between 0.02 g/cm³ to 0.05 g/cm³), high surface area, and variable moisture levels, feeding these materials directly into conventional single-screw or twin-screw pelletizing extruders frequently results in hopper bridging, erratic screw torque, severe thermal degradation, and unacceptably low volumetric output.
As a premier China Agglomerator Machine Exporter & Company, Pujiang HG Plastic Machinery Co., Ltd. engineers heavy-duty, high-shear kinetic agglomeration systems (also known as plastic densifiers or film granulating agglomerators). The fundamental physical mechanism relies on transformational kinetic energy conversion: high-speed rotating alloy blades create intense inter-particle friction and peripheral shear forces against fixed bed knives inside a cylindrical heavy-walled chamber. This frictional energy rapidly heats the plastic mass to its softening point (vicat softening temperature) without causing polymer chain scission or thermal oxidation.
Once the material reaches a semi-molten, highly tacky state, an automated precise injection of cold water is pulsed into the processing chamber. The flash vaporization of water instantly cools the polymer mass, causing it to collapse and shrink into irregular, dense, free-flowing granules. This process increases the bulk density of thin film scrap from 0.03 g/cm³ to over 0.35 - 0.50 g/cm³ within a rapid batch cycle of 3 to 8 minutes, dramatically improving extruder feeding consistency and maximizing downstream output.
| Performance Metrics | High-Speed Friction Agglomerator | Dual-Shaft Shredder & Compactor | Direct Forced-Feeder Extruder |
|---|---|---|---|
| Target Feed Material | Ultra-thin films (<10µm), raffia, bags, fibers, foams | Thick rigid plastics, pipes, heavy purgings | Clean, pre-shredded uniform flake/regrind |
| Final Product Bulk Density | High (0.35 – 0.52 g/cm³) | Low to Medium (0.10 – 0.18 g/cm³) | Melts directly to pellets (1.05+ g/cm³) |
| Moisture Reduction Capability | Excellent (Reduces moisture from 15% to <2%) | None (Requires downstream thermal dryer) | Poor (Causes severe gas vent popping) |
| Thermal Degradation Risk | Minimal (Instant shock-cooling prevents heat build-up) | Zero (Purely mechanical size reduction) | Moderate to High (Sustained screw heat) |
| Capital Investment (CAPEX) | Optimal / High ROI | Medium | High |
Procuring industrial plastic recycling machinery from China is no longer merely a cost-reduction exercise; it is a strategic driver for operational scalability and competitive technology adoption. As a world-leading China Agglomerator Machine Exporter & Company operating out of Pujiang, Zhejiang Province, Pujiang HG Plastic Machinery Co., Ltd. capitalizes on China's complete industrial supply chain matrix to manufacture equipment that rivals European standards at a highly optimized Total Cost of Ownership (TCO).
Utilizing imported SKD11 / D2 high-chromium tool steel for rotor blades and stationary bed knives, vacuum heat-treated to 58-62 HRC, ensuring maximum wear resistance against abrasive post-consumer contaminants.
Standard integration with Siemens IE3/IE4 ultra-efficient main motors, Schneider/ABB electrical switchgear, NSK/SKF heavy spherical roller bearings, and Delta/Siemens PLC touch-screen automation.
Every agglomerator machine undergoes a mandatory 48-hour continuous full-load dry-run and wet-run trial prior to export, checking dynamic rotor balance, vibration amplitude (<1.8mm/s), and acoustic safety.
Procurement officers and plant managers at tier-1 plastic film manufacturing facilities and recycling refineries face mounting pressure to optimize energy efficiency, minimize unscheduled downtime, and strictly satisfy ESG (Environmental, Social, and Governance) targets. When evaluating a China Agglomerator Machine Exporter & Company, global buyers demand rigorous financial transparency and engineering compliance.
Conventional dryers and re-granulators consume upward of 280-350 kWh per ton of light film waste. Pujiang HG's optimized rotor kinetic geometry achieves densification at only 160-210 kWh per ton, directly lowering operating expenses by up to 35%.
Agglomerated granulate provides uniform bulk density for melt extruders, reducing screw torque fluctuations and extending the service life of downstream high-precision melt filter cartridges and stainless steel screen mesh filters.
Featuring hydraulic assist barrel opening and pre-set blade gap setting jigs, maintenance technicians can replace or resharpen rotor knives in under 45 minutes, minimizing scheduled production downtime.
Deploying industrial machinery globally requires strict alignment with localized regulatory frameworks, electrical grid specs, and stringent workplace safety codes. As an established international exporter, Pujiang HG Plastic Machinery Co., Ltd. ensures full international compliance across North America, Europe, Southeast Asia, and South America.
The versatile kinetic agglomerator machine serves as a vital bridge between bulky, moist plastic waste streams and high-purity melt extrusion systems across multiple industrial sectors.
Ideal for LDPE agricultural greenhouse film, LLDPE stretch film, and PP woven bags. Densifies fluffy shredded film into heavy, dust-free granules for smooth extruder feeding.
Processes PP spunbond nonwovens, meltblown media edge trims, and PET filament waste. Converts light fibers into compact aggregates without melting thermal degradation.
Dramatically reduces the volume of expanded polystyrene packaging and EPE foam sheets by over 20:1, optimizing transport logistics and storage space.
Pre-heats and partially crystallization-densifies thin PET bottle label films and thermoforming sheet scrap prior to solid-state polymerization or extrusion.
As global plastic regulations tighten (such as the EU Packaging and Packaging Waste Directive), the demand for high-purity recycled resins is surging. Modern agglomerator engineering is undergoing rapid technological evolution:
Integrating optical temperature sensors and motor amp feedback loops allows the PLC to calculate the exact millisecond for water injection, achieving perfect grain size distribution consistently.
Advanced sealed pot covers with integrated vacuum exhaust condensers capture volatile organic compounds (VOCs) and steam moisture, creating a zero-emission recycling plant environment.
Transitioning from traditional batch processing to continuous single-pass twin-rotor densifiers to meet the requirements of massive 3,000+ kg/h recycling mega-factories.
Explore our core heavy-duty agglomerator series parameters. Custom pot volumes, blade configurations, motor power ratings, and automated discharge valves can be tailored to client specifications.
| Model Parameter | HG-AG300 | HG-AG600 | HG-AG800 | HG-AG1200 |
|---|---|---|---|---|
| Pot Diameter (mm) | Φ 600 mm | Φ 800 mm | Φ 1000 mm | Φ 1200 mm |
| Main Drive Motor Power | 37 kW / 50 HP | 55 kW – 75 kW | 90 kW – 110 kW | 132 kW – 200 kW |
| Processing Capacity (PE/PP Film) | 120 – 180 kg/h | 250 – 400 kg/h | 500 – 750 kg/h | 900 – 1200 kg/h |
| Rotational Speed (RPM) | 1460 RPM | 1460 RPM | 980 RPM | 980 RPM |
| Rotary Blades / Fixed Blades | 2 Rotary / 4 Fixed | 4 Rotary / 6 Fixed | 6 Rotary / 8 Fixed | 8 Rotary / 12 Fixed |
| Blade Metallurgy Option | SKD11 / Cr12MoV | SKD11 High Chromium | D2 Tool Steel / Carbide Weld | Tungsten Carbide Tipped |
| Approx. Operating Weight | 1,200 kg | 2,100 kg | 3,500 kg | 5,800 kg |
Complete your recycling plant setup with our industry-leading stainless steel filter cartridges, leaf disc filters, screen mesh elements, and granulating equipment.
Whether you require custom plastic densifiers, high-temperature candle filter elements, or complete turnkey recycling lines, Pujiang HG Plastic Machinery Co., Ltd. delivers factory-direct engineering excellence backed by 20+ years of export experience.
