PP Woven Bag Raffia FIBC Jumbo Bag Washing Recycling Line
Engineered for high-tensile flexible and woven polyolefins. Removes stubborn soil, cement residue, and printing inks while eliminating filament wrapping, delivering clean flakes with under 2–3% moisture for direct pelletizing extrusion.
- Specialized anti-tangling single-shaft shredding tailored for tough FIBC loops and woven sacks.
- Multi-stage hydrodynamic sink-float separation with continuous automated sediment discharge.
- Continuous mechanical screw-press squeezer dewatering for direct extrusion feed readiness.
PP Woven Bag & Plastic Film Washing Line Configuration
Modular engineering designed for flexible factory integration, continuous material conveyance, and easy maintenance across high-tensile woven sacks, FIBC bulk bags, and agricultural plastic films.
This layout configuration shows a typical industrial continuous washing line. Equipment sizing, tank lengths, and mechanical screw press dewatering stages are customized to feedstock contamination levels, throughput targets, and workshop dimensions.
Key Features of Woven Bag Washing Line
Specialized mechanical size reduction, high-G friction decontamination, and continuous dewatering.
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Anti-Tangling Shredding
Specialized single-shaft V-rotor prevents high-tensile FIBC loops and woven strips from wrapping or jamming the cutting chamber.
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High-G Friction Decontamination
1,200–1,500 RPM centrifugal friction washer violently scrubs away stubborn soil, cement residues, printing inks, and surface adhesives.
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Mechanical Squeezer Dewatering
Continuous heavy-duty screw press squeezes out bulk water, delivering ≤ 2–3% residual moisture ready for direct extruder feeding.
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Closed-Loop Water Conservation
Multi-stage hydrodynamic sink-float tanks with bottom sediment screw extractors restrict fresh water makeup to just 1.5–3.0 T/h.
Target Woven Bag & Raffia Materials
Engineered for heavily contaminated, high-tensile flexible and woven polyolefin waste streams.
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PP Woven Sacks & Cement Bags
Post-consumer and post-industrial fertilizer, animal feed, and cement sacks with heavy mineral dust, soil, and printed ink coatings.
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FIBC Bulk Bags & Jumbo Sacks
High-capacity polypropylene bulk containers (Big Bags) including heavy lifting loops and multi-layer structural weaves.
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PP Raffia & Non-Woven Scrap
Extruded PP raffia tapes, weaving edge trims, unraveled filament bundles, and spunbond non-woven manufacturing scrap.
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Agricultural & Industrial PE/PP Films
Heavily soiled agricultural mulch film, greenhouse sheeting, and industrial stretch wrap compatible with dual-purpose washing lines.
Woven Bag Washing Process: Step-by-Step
Fully automated, PLC-controlled material flow from baled post-industrial sacks to low-moisture extrusion-ready flakes.
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Bale Breaker + Anti-Tangling Shredder
Hydraulic bale breakers open tightly packed bundles, feeding a high-torque single-shaft shredder with curved counter-knives to shear tough woven fibers to 40–80 mm without rotor wrapping.
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Wet Granulator (Pre-Washing)
Water-cooled granulators with scissor-cut SKD-11 blades cut shredded material down to uniform 10–20 mm flakes while water injection pre-washes abrasive sand and soil.
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High-Speed Friction Washer
Centrifugal rotor running at 1,200–1,500 RPM produces intense flake-on-flake mechanical friction, scrubbing away surface printing ink, adhesives, and stubborn grime through perforated alloy screens.
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Multi-Stage Sink-Float Tank + Rinse
Heavy sand, cement residue, and metals sink swiftly to the bottom in our sink-float separation tank and are removed by continuous screw extractors, while polyolefin flakes float cleanly forward across motorized paddle wheels.
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Mechanical Screw Press Dewatering
Heavy-duty variable-pitch screw squeezer compresses wet woven flakes mechanically, removing bulk capillary water and driving residual moisture down to under 5–8% without thermal power draw.
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Thermal Cyclone Flash Dryer
Hot-air pipe system flashes off final surface moisture, bringing residual water content reliably below 2–3% while cyclone collectors discharge fine dust.
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Storage Silo → Direct Pelletising
Clean, densified, low-moisture flakes are blown to an automated buffer silo, ready for surge-free direct feeding into water-ring pelletizing extruders.
PP Woven Bag Washing Line Specifications
Comprehensive technical parameters across our standard production capacities. Custom configurations available.
| Specification / Model | RWL-500 | RWL-1000 | RWL-1500 | RWL-2000 | RWL-3000 |
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| Input Capacity | 500 kg/h | 1,000 kg/h | 1,500 kg/h | 2,000 kg/h | 3,000 kg/h |
| Applicable Feedstock | PP Woven Sacks, Cement Bags, FIBC Bags, Raffia, Agricultural LDPE Film | PP Woven Sacks, Cement Bags, FIBC Bags, Raffia, Agricultural LDPE Film | PP Woven Sacks, Cement Bags, FIBC Bags, Raffia, Agricultural LDPE Film | PP Woven Sacks, Cement Bags, FIBC Bags, Raffia, Agricultural LDPE Film | PP Woven Sacks, Cement Bags, FIBC Bags, Raffia, Agricultural LDPE Film |
| Primary Single-Shaft Shredder | 37 kW (Anti-Tangling V-Rotor) | 55 kW (Anti-Tangling V-Rotor) | 75 kW (Heavy-Duty V-Rotor) | 90 kW (Heavy-Duty V-Rotor) | 132 kW (Twin-Ram High-Torque) |
| Wet Granulator Drive | 45 kW (Ø 600 mm) | 75 kW (Ø 800 mm) | 90 kW (Ø 900 mm) | 110 kW (Ø 1,000 mm) | 160 kW (Dual Ø 800 mm) |
| Blade Metallurgy | SKD-11 / D2 (HRC 58–60) | SKD-11 / D2 (HRC 58–60) | SKD-11 / D2 (HRC 58–60) | SKD-11 / D2 (HRC 58–60) | SKD-11 / D2 (HRC 58–60) |
| Friction Washer Rotor Speed | 1,200 RPM (22 kW) | 1,400 RPM (37 kW) | 1,400 RPM (45 kW) | 1,500 RPM (55 kW) | 1,500 RPM (75 kW) |
| Sink-Float Separation Stages | 1 Stage (4.5m / 3 Paddles) | 2 Stages (6.0m / 4 Paddles) | 2 Stages (8.0m / 5 Paddles) | 3 Stages (10.0m / 6 Paddles) | 3 Stages (12.0m / 8 Paddles) |
| Final Moisture Level | ≤ 2–3% (Mechanical Squeezer) | ≤ 2–3% (Squeezer + Thermal) | ≤ 2–3% (Squeezer + Thermal) | ≤ 2% (Heavy Squeezer + Thermal) | ≤ 2% (Dual Squeezer + Thermal) |
| Water Circulation (Makeup Rate) | 15–20 m³/h (~1.5 T/h makeup) | 25–35 m³/h (~2.5 T/h makeup) | 35–45 m³/h (~3.5 T/h makeup) | 50–65 m³/h (~4.5 T/h makeup) | 70–90 m³/h (~6.0 T/h makeup) |
| Installed Power & Footprint | ~250 kW (42m × 15m × 6m) | ~350 kW (50m × 15m × 6m) | ~470 kW (60m × 25m × 6m) | ~650 kW (80m × 30m × 6m) | ~850 kW (80m × 40m × 6m) |
Note: Parameters can be customized. Final configuration, installed power, and footprint depend on feedstock contamination and downstream process goals.
System Comparison: Rumtoo Dedicated Line vs. Conventional Washing Lines
How our heavy-duty anti-tangling shredding, high-G friction washing, and mechanical squeezer dewatering outperform generic film recycling setups.
| Performance Dimension | Rumtoo Dedicated PP Woven Bag Line | Conventional / Commodity Washing Lines |
|---|---|---|
| Anti-Tangling Shredding | Specialized single-shaft V-rotor with hydraulic pusher and counter-knives; zero strap wrapping or stall-outs. | Dual-shaft shredder or open-rotor granulator; high-tensile FIBC loops rapidly wind around shafts and trip motors. |
| Heavy Sand & Sediment Removal | Multi-stage sink-float tank with continuous bottom screw purges and automated sediment discharge valves. | Flat-bottom tanks with manual dredging; abrasive sand recirculates and causes severe pump and blade wear. |
| Friction Cleaning & Ink Stripping | Centrifugal high-speed friction washer (1,200–1,500 RPM) with counter-current flushing strips printing inks and surface grime. | Low-speed paddle rinsing (<500 RPM); stubborn printing ink, chemical coatings, and adhesives remain bound. |
| Dewatering & Final Moisture | Continuous progressive screw press squeezer reaching ≤ 2–3% moisture; direct extruder feeding ready. | Centrifugal dewatering only, leaving 8–15% moisture; requires expensive electric thermal pipe heaters. |
| Wear Parts & Contact Metallurgy | SUS304 stainless steel in all wet contact zones; cryogenically treated SKD-11/D2 blades (HRC 58–60). | Carbon steel tanks with painted coatings prone to corrosion; generic tool steel requiring frequent resharpening. |
| Water Conservation & Recycling | Closed-loop counter-current recycling with DAF integration; fresh water makeup restricted to 1.5–3.0 T/h. | Open-loop single pass or unmanaged overflow, resulting in high water utility expenses and severe environmental fines. |
PP Woven Bag Washing Line in Action: Video
Watch our high-speed washing, separation, and dewatering line operating in real industrial conditions.
Frequently Asked Questions
Key operational and engineering considerations for your washing line investment.
Woven polypropylene sacks and FIBC jumbo bags possess extreme tensile strength that causes conventional dual-shaft shredders or open-rotor granulators to jam. Our heavy-duty single-shaft shredder incorporates a specialized anti-tangling V-rotor with curved counter-knives, hydraulic horizontal ram feeding, and precision-machined rotor clearance. This shears long woven filaments into controlled 40–80 mm pieces before downstream wet granulation, preventing any rotor winding or motor trip-outs.
Feedstock like cement bags and agricultural sacks carry abrasive inorganic sediment. The line employs a multi-stage hydrodynamic sink-float separation tank equipped with continuous bottom-screw sludge extractors and heavy-duty rotary paddle wheels. Heavy sand and cement settle swiftly by gravity and are discharged via automated purge valves, while cleaned polyolefin flakes (density 0.91–0.96 g/cm³) float forward. Wet-contact areas and water recirculating pumps are reinforced with wear-resistant liners.
Because woven flakes have high specific surface area and capillary water retention, standard centrifugal dryers typically leave 8–15% moisture. Rumtoo integrates a continuous mechanical screw-press squeezer followed by a high-efficiency thermal air dryer, consistently reducing residual moisture to below 2–3% (≤2% for direct extruder feeding). This eliminates moisture venting surges and blister defects during downstream pelletizing.
Yes. The line features an intense centrifugal high-speed friction washer operating at 1,200–1,500 RPM combined with counter-current water flushing and optional hot-wash chemical treatment. The violent flake-to-flake and flake-to-screen mechanical agitation strips ink coatings, glues, and sticky residues from woven tapes without damaging polymer molecular weight.
Our system features closed-loop water circulation to minimize fresh water draw. Process water cascades counter-currently—from clean downstream rinse tanks back toward pre-washing stages. The line integrates with Dissolved Air Flotation (DAF) units and multi-stage vibrating sludge filters, reducing fresh water replenishment to just 1.5–3.0 tonnes per hour for a 1,000 kg/h continuous line.
All shredder and granulator cutting knives are forged from premium D2 (Cr12MoV) or SKD-11 alloy tool steel, heat-treated to HRC 58–60 for superior abrasion resistance against sandy feedstock. All washing tanks, paddle shafts, friction washer screens, and dewatering screw press components in continuous contact with water are fabricated from SUS304 stainless steel to ensure rust-free longevity.
Rigid plastics (bottles, crates) processed on a rigid plastic washing line shatter easily and dewater centrifugally with low surface friction. PP woven bags and FIBC sacks are ductile, highly buoyant, and prone to nesting. Our line is specifically optimized for soft flexibles: incorporating anti-winding shredder geometry, forced-feeding screw conveyors, paddle submergence tanks, and high-pressure squeezing dewatering that standard rigid lines lack.
A typical 1,000 kg/h line requires approximately 50 m × 15 m × 6 m clear workshop footprint, while a 2,000 kg/h configuration occupies around 80 m × 30 m. Installations require a reinforced concrete floor (minimum 250 mm thickness with drainage gutters), a dedicated industrial transformer (350–650 kW connected load), and compressed air (0.6–0.8 MPa). We supply complete 2D/3D plant layout engineering tailored to your facility.
Warranty & Installation
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Warranty Coverage
Standard 12-month comprehensive warranty coverage across all structural frames, gearboxes, motors, and electrical components against manufacturing defects.
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Installation & Commissioning
On-site mechanical assembly, electrical wiring, PLC calibration, operator safety training, and lifetime spare parts supply support worldwide.
Request a Woven Bag Washing Line Quote
Share your material details, capacity target, and project requirement. We will recommend a suitable configuration.
