Direct Answer / Technical Brief:

On September 23, 2026, Guoxin Machinery completed a Factory Acceptance Test (FAT) for a 2-stage Refuse-Derived Fuel (RDF) preparation line. The trial validated the continuous processing of highly flexible, high-wrap feedstocks—including waste plastic films, woven sacks, old clothing, and cardboard—converting unsegregated combustible waste into solid, high-density RDF-5 alternative fuel briquettes.

1. Project Background & Feedstock Challenges

Processing post-industrial and post-consumer flexible waste into alternative fuel presents critical mechanical engineering hurdles:

• High Risk of Shaft Entanglement: Flexible materials like agricultural films, geotextiles, and synthetic garments frequently wrap around standard cutter shafts, leading to motor tripping and thermal damage.

• Low Bulk Density: Loose plastic film and textile fluff have a extremely low bulk density (<50 kg/m^3), making transport costly and combustion unstable in cement kilns or waste-to-energy boilers.

• Extrusion Pressure Requirements: Densifying mixed fibers and low-melting-point polymers requires precise mechanical friction control and high extrusion pressure to form stable briquettes without chemical binders.

2. Integrated Process & Machine Configuration

To achieve continuous conversion from loose waste to dense fuel, Guoxin deployed a integrated two-stage production circuit:

[Feedstock: Plastic Film + Waste Textiles + Paperboard]
                          │
                          ▼
        [1. Heavy-Duty Double-Shaft Shear Shredder]
       (Anti-Wrapping Cutters & High-Torque Drives)
                          │
                          ▼
            [2. Heavy-Duty Belt Conveyor]
                          │
                          ▼
       [3. High-Pressure Hydraulic RDF Briquetting Press]
                          │
                          ▼
      [High-Density RDF-5 Alternative Fuel Pellets/Briquettes]

1. Primary Shredding (Anti-Wrap Shear System): Multi-hook alloy cutter blades cut paperboard, woven bags, and textiles down to a uniform size (<60 mm) without shaft entanglement.

2. Intermediate Conveying & Transfer: Continuous belt feeding maintains an even material bed depth into the downstream extrusion hopper.

3. High-Density Briquetting (RDF-5 Extrusion): The shredded fluff is extruded under high friction pressure, utilizing thermal softening of plastic polymers to bind textile fibers into solid, cylindrical fuel briquettes.

3. FAT Performance Test & Material Characterization Data

4. Key Advantages for Alternative Fuel Production

• Superior Volumetric CAPEX/OPEX Efficiency: Increasing bulk density from <60kg/m^3 to >700 kg/m^3 cuts regional fuel transportation costs by over 70%.

• Zero Binder Required: The system leverages thermal friction during extrusion to soften plastic fractions, naturally bonding paper and garment fibers together.

• Engineered for Kiln Co-Processing: The resulting RDF-5 fuel provides stable combustion profiles and uniform feeding behavior in industrial cement calciner boilers.

Request an RDF Production Line Proposal or Material Trial

Are you looking to convert local plastic waste, textiles, or RDF fluff into high-value alternative energy? Contact Guoxin Group for localized throughput modeling and live factory sample testing.

• Free Material Sample Testing: Send your local feedstock to our factory test bay.

• Complete System Integration: Turnkey supply from primary shredding to high-density briquetting.