A complete industrial rigid plastic washing and recycling line, shown in green and grey, featuring a large inclined conveyor belt feeding into a series of shredding, washing, and separation units.

HDPE Bottle Washing Recycling Line

An automated HDPE bottle recycling washing line engineered for post-consumer detergent, milk, shampoo, and household-chemical bottles. Crushing, washing, separation, and drying are synchronised to turn contaminated bottles into clean HDPE flakes—ready for extrusion, compounding, or direct feed into our Plastic Pelletizers.

Modular infeed, wet crushing, optional hot washing, and closed-loop water treatment help you hit stable quality targets even with labels, caps, sand, and residue in the stream.

Explore the HDPE Bottle Line

Overview of an HDPE bottle recycling washing line.

Why Our HDPE Bottle Washing Line Performs

  • Stable Output, Lower Operating Cost

    Continuous conveying and PLC recipes stabilise throughput while optimising power and water consumption.

  • Deep Cleaning for Bottle Residues

    Wet crushing, friction scrubbing, and optional hot washing remove oils, detergents, and odours to deliver cleaner rHDPE flakes.

  • Label & Light Contaminant Removal

    Air separation and screening reduce labels, films, paper, and dust—improving purity and downstream processing stability.

  • Closed-Loop Water Treatment Ready

    Designed to integrate filtration and recirculation systems to reduce discharge and simplify compliance.

Typical Process Flow

From baled bottles to clean flakes—each stage is configured to your contamination level and quality target.

  • Debaling & Pre-sorting

    Open bales, remove metals/oversized impurities, and stabilise continuous infeed.

  • Wet Crushing

    Reduce bottles to flakes while flushing loose residues and dirt.

  • Friction Washing

    High-speed scrubbing lifts labels, fibres, and stubborn contamination.

  • Hot Washing (Optional)

    Improves removal of oils, detergents, and odours for higher quality requirements.

  • Sink-Float Separation

    Separates HDPE/PP from heavier contaminants such as PET/PVC.

  • Dewatering & Drying

    Centrifugal dewatering and thermal drying deliver low-moisture flakes ready for storage or pelletising.

Inside the Line: Equipment Composition

A complete HDPE bottle washing line is built from specialised modules—each tuned for infeed stability, residue removal, density separation, and low-moisture drying.

Equipment ComponentPrimary Function
Bale Opener / Feeding ConveyorOpens bales (optional) and ensures stable, continuous feeding into the line.
Pre-washer / Trommel (Optional)Removes sand, stones, and loose dirt early to protect downstream machines and reduce water load.
Wet Crusher / GranulatorSize-reduces bottles while flushing away loose contamination for efficient downstream washing.
Friction WasherHigh-speed scrubbing removes stubborn residues, paper fibres, and remaining dirt from flakes.
Hot Washer (Optional)Improves decontamination for oily or detergent-heavy bottles using heated water and controlled chemistry.
Sink-Float Separation TankDensity separation where HDPE/PP typically float while PET/PVC and heavy contaminants sink.
Rinse & Transfer ScrewRinses flakes and transfers material between stages while maintaining consistent residence time.
Centrifugal DewateringMechanically removes surface water to reduce thermal drying energy demand.
Thermal Dryer & Air TransportHot-air drying brings flakes to low moisture content and conveys them to storage.
Zig-Zag / Air ClassifierRemoves labels, films, and light fractions to improve final purity.
Silo / Bagging StationStores and packs the finished HDPE flakes for easy logistics and stable feeding to pelletising lines.
PLC Control SystemCentralised HMI/PLC control for interlocks, recipes, alarms, and optional remote diagnostics.

Typical Applications for HDPE Bottle Washing

  • Post-consumer HDPE Bottles

    Milk, detergent, shampoo, and household-chemical bottles—washed into stable, low-odour HDPE flakes for reuse.

  • Caps, Rings & Label Fractions

    Supports separation of PP/PE closures and light label fractions to lift overall product purity and value.

  • Rigid PP/PE Containers

    Can be configured for jerrycans, crates, and small rigid packaging alongside HDPE bottles with modular crushing and washing stages.

Applications & Commercial Value

Invest in an HDPE bottle washing recycling line to unlock dependable revenue streams, secure feedstock supply, and meet recycled-content commitments across packaging and manufacturing markets.

  • rHDPE Flake & Pellet Producers

    Produce cleaner, more consistent flakes to supply extrusion/pelletising lines for packaging, pipe, sheet, and injection-grade compounds.

  • Toll Washing & Contract Processing

    Run multi-customer bottle streams with traceable recipes and repeatable quality targets—ideal for recyclers scaling capacity.

  • Municipal & MRF Upgrading

    Upgrade mixed bottle streams into higher-value HDPE flakes, improving diversion rates and commodity resale value.

  • Brand PCR & ESG Supply

    Support recycled-content targets by supplying stable PCR HDPE feedstock for blow-moulding and injection applications.

Shaping Tomorrow: Future Development Trends

  • Enhanced Intelligentisation

    Integration of AI and IoT for smarter process control, predictive maintenance, and data-driven optimisation.

  • Maximised Efficiency

    Continuous innovation to improve throughput capacity while simultaneously reducing energy consumption and operational costs.

  • Environmental Sustainability

    Adoption of eco-friendly cleaning agents and advanced water filtration systems, aiming for near-zero discharge.

  • Modularity and Customisation

    Emphasis on modular designs allowing for easier customisation, scalability, and upgrades to meet evolving client needs.

Tangible Benefits of an HDPE Bottle Washing Line

  • Reduces Plastic Waste

    Significantly diminishes the volume of plastic ending up in landfills or polluting natural ecosystems, helping to alleviate environmental strain.

  • Conserves Natural Resources

    Lessens the demand for virgin petroleum-based resources, reducing the carbon footprint associated with new plastic production.

  • Promotes a Circular Economy

    Transforms waste materials back into valuable resources, encouraging sustainable manufacturing and consumption patterns.

  • High Return on Investment

    Generates revenue from the sale of recycled flakes and lowers disposal costs, delivering significant economic benefits and a swift ROI.

Please note: Equipment configuration and the specific process flow will be carefully optimised according to the characteristics of your raw materials and desired output.

Frequently Asked Questions

It is designed for post-consumer HDPE bottles (milk, detergent, shampoo, household chemicals), typically with labels and closures attached. Feedstock can be baled or loose, and we can tailor infeed and washing stages based on contamination level and target purity.

Multi-stage friction washing, optional hot washing, and density separation reduce labels, oils, and residues. Final cleanliness depends on incoming material, but the line is configured to deliver low contamination and low moisture flakes for pelletising or compounding.

Yes. Air classification targets labels and light fractions, while sink-float separation helps remove heavier plastics (typically PET/PVC) from HDPE/PP. For higher-purity requirements, optional sorting and metal detection can be integrated upstream.

Central PLC with touchscreen HMI provides recipe control, safety interlocks, and real-time monitoring of water, energy, and throughput. Remote diagnostics and data logging can be included for predictive maintenance.

Main Technical Parameters

Specific technical parameters can vary based on the model and customisation. For detailed specifications, please refer to individual product sheets or contact us.

Input Capacity500kg/h1000kg/h1500kg/h2000kg/h
Required Space42m×10m×6m50m×15m×6m55m×16m×6m60m×18m×6m
Operators3-4 people5-6 people5-6 people5-6 people
Installation Power150-200kW250-300kW370kW450-500kW
Water Circulation(T/H)2345

Our Commitment to a Cleaner Future

The HDPE bottle washing recycling line plays an indispensable role in tackling plastic pollution and supporting the circular economy. As technology advances, these lines will continue to improve in efficiency, automation, and water management—helping recyclers deliver higher-quality PCR materials.

“Thanks to our innovative washing technology, we provide reliable and remarkably efficient recycling solutions. Our unwavering commitment ensures our processes are environmentally friendly, sustainable, and consistently deliver superior quality results.”

Enquiries & Quotations

Warranty: All HDPE bottle washing recycling systems include a 1-year limited warranty and lifetime technical support.

Share your bottle type, contamination profile (labels, caps, sand, oil/detergent), and throughput target. We will configure the optimal washing line with layout, utilities, timeline, and investment details.

Speak with Our Engineers
Contact Form

Author: Rumtoo Plastic Recycling Machine

Rumtoo Plastic Recycling Machine, the leading manufacturer of high quality PET Bottle、PP / PE Film Recycling Machinery. Our PE film washing lines offer reliability, efficiency and maximum durability in recycling dirty and soiled PET bottle、PE film back into plastic granulate. With more than two decades of service to the plastics recycling industry, Rumtoo is proud to be responsible for recycling thousands of tonnes of plastic films such as plastic bags, PP non-woven supersacks and LDPE film every month at hundreds of recycling facilities worldwide.