Rigid PP HDPE Washing Line

Best PP HDPE Washing Recycling line Manufacturers in China

The Rigid PP HDPE Washing Line is designed for recycling rigid plastic waste, including HDPE bottles, drums, containers, PP buckets, crates, and other hard plastic scrap. The system integrates shredding or crushing, friction washing, floating separation, rinsing, and drying to remove dirt, labels, oil residues, and other contaminants. HuaZhao Machinery provides customized washing line configurations based on raw material type, contamination level, processing capacity, and final flake quality requirements. The washed PP and HDPE flakes can be used for further extrusion, pelletizing, and plastic manufacturing applications.

  • CE SGS BV ISO9001
  • Excellent pre-sales and after-sales service
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Front side view of underwater strand pelletizing system
Rigid PP HDPE washing line for plastic recycling

Rigid PP HDPE Washing Recycling Line

Key Features:

  • High Processing Capacity: Designed for continuous processing of rigid PP and HDPE plastic waste.

  • Efficient Washing Performance: Combines friction washing, rinsing, and separation to remove dirt, labels, and other contaminants.

  • Heavy-Duty Size Reduction: Shredding and crushing systems handle bulky plastic drums, bottles, buckets, and crates.

  • Flexible Line Configuration: Equipment can be customized according to raw material type, contamination level, and required output.

  • Effective Dewatering and Drying: Reduces moisture content to prepare clean plastic flakes for downstream processing.

  • Wide Material Applications: Suitable for rigid PP and HDPE scrap from post-consumer and industrial sources.

  • Pelletizing-Ready Output: Produces washed plastic flakes for further extrusion and pelletizing, subject to material cleanliness and processing requirements.

  • Optional Chemical Dosing System: An automatic chemical dosing unit can be integrated into the washing line to add detergents or cleaning agents in controlled quantities, helping improve the removal of oil, grease, and stubborn contaminants from rigid PP and HDPE plastics. The dosing system can be customized according to the washing process and raw material requirements.

HDPE drums, plastic bottles, PP buckets, and crates for recycling
Waste HDPE Materials
Washed rigid PP and HDPE plastic flakes after recycling
Cold Water Washed PET Flakes

Case Video of Rigid PP HDPE Washing Line

See the Rigid PP HDPE Washing Line in action. HuaZhao Machinery provides customized washing solutions for rigid plastic recycling, producing clean PP and HDPE flakes for further processing.

Main Components of Rigid PP HDPE Recycling Washing Line

The Rigid PP HDPE Recycling Washing Line integrates shredding, crushing, friction washing, floating separation, and drying equipment. Each component is configured to match your raw materials, processing capacity, and required flake quality.

Vertical unpacking Machine for Bales
1. Vertical Bale Opener

The Vertical Bale Opener is designed to loosen and separate compressed plastic bales into individual materials for downstream recycling.

Double shaft shredder for rigid PP and HDPE plastic waste
2. Double Shaft Pre Shredder

Pre Shredding Containers

Belt conveyor with magnetic separator for rigid plastic recycling
3. Belt Conveyor with Magnetic Roller

To convey the material to the Crusher

Plastic crusher reducing rigid PP and HDPE waste into flakes
4. Crusher

Regrinding Materials into Smaller Flakes

Low-speed friction washer cleaning rigid PP and HDPE plastic flakes
5. Low-Speed Friction Washer

To convey and Wash, Filter the materials

Horizontal Dehydrator for Plastic Recycling
6. Horizontal Dehydrator

To remove oil, other impurities, and reduce moisture content ,

Hot washing boiler for cleaning rigid PP and HDPE plastic flakes
7. Hot Washing Boiler

Apply chemical agents for hot cleaning to remove oil, impurities and labels.

Automatic Chemical Dosing System
8. Automatic Chemical Dosing System

Automatic Chemical Dosing

Screw loader conveying plastic flakes between equipment in a PP HDPE washing line
9. Screw Loader

Conveyor Materials

Horizontal dewatering machine removing water from washed plastic flakes
10. Horizontal Dehydrator

To remove oil, other impurities, and reduce moisture content

Floating washing tank for rinsing PP and HDPE plastic flakes
11. Floating Washer

Rinse the bottle flakes again to remove most of the impurities and chemical solutions present on them.

Screw loader transferring washed PP and HDPE plastic flakes between washing line equipment
12. Screw Loader

Conveyor Materials

Horizontal Dehydrator 3
13. Horizontal Dehydrator

To remove oil, other impurities, and reduce moisture content 

Label removal machine separating residual labels from plastic flakes
14. Label Blower

To remove oil, other impurities, and reduce moisture content 

Storage silo collecting washed PP and HDPE plastic flakes after recycling
15. Silo

Separate labels and dust from the bottle fragments

Electric control cabinet for a rigid PP HDPE recycling washing line
16. Electric Cabinet

Equipment configuration: Ammeter, voltmeter, temperature display and control, and control system, main power switch, emergency stop device, cable wiring in the cabinet is fixed using a trough system.

Work Process of Rigid PP HDPE Washing Line

Vertical Bale Opener (Optional) → Belt Conveyor #1 → 1000 Double Shaft Shredder → Belt Conveyor #2 with Magnetic Separation → 1000 Crusher → Friction Washer → Horizontal Dehydrator #1 → Hot Washing Boiler → Automatic Chemical Dosing System → Screw Loader #1 → Horizontal Dehydrator #2 → Floating Washer (6 × 1.6 m) → Screw Loader #2 → Horizontal Dehydrator #3 → Label Blower → Silo

Specifications of Rigid PP HDPE Washing Line

Capacity (kg/h)Install Power (kW)Required Area (m²)Required StaffRequired Steam (kg/h)Required Compressed Air (MPa)Required Water (m³/h)
50022040083500.6-0.82
1000500750105000.6-0.83
20007001000128000.6-0.85
300090015001210000.6-0.86
4500100022001613000.6-0.88
6000120025001618000.6-0.810

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Frequently Asked Questions for Rigid PP HDPE Washing Line

Q: What materials can the Rigid PP HDPE Washing Line process?

A:

The line is designed to process rigid PP and HDPE （also PE ABS PS PC） plastic waste, including bottles, drums, buckets, crates, containers, and other rigid plastic scrap.

Q: What is the main function of the hot washing system?

A:

The hot washing system helps remove oil, grease, stubborn dirt, and certain adhesive residues from plastic flakes. The washing temperature and process depend on the raw material and contamination level.

Q: Is an automatic chemical dosing system available?

A:

Yes. An optional automatic chemical dosing system can be integrated into the hot washing stage to control the addition of cleaning agents according to the washing requirements.

Q: Can one washing line process both PP and HDPE plastics?

A:

Yes, the line can be configured for PP or HDPE rigid plastic waste. However, processing mixed PP and HDPE does not automatically separate the two polymers because both typically float in water. Additional sorting may be required when polymer separation is necessary.

Q: How does the line remove labels and other contaminants?

A:

The line combines magnetic separation, friction washing, hot washing, floating rinsing, and label removal. The exact cleaning performance depends on the type and level of contamination in the feedstock.

Q: What is the final product of the washing line?

A:

The output is washed PP or HDPE plastic flakes for further recycling, extrusion, or pelletizing. Final cleanliness and moisture levels depend on the equipment configuration and raw material conditions.

Q: Can the washing line be customized?

A:

Yes. HuaZhao Machinery can customize the equipment configuration according to material type, processing capacity, contamination level, available factory space, and required flake quality.

Q: What information is needed to get a quotation?

A:

Please provide your raw material type, photos or videos of the plastic waste, target capacity in kg/h, contamination level, and desired final flake quality. Our team can then recommend a suitable washing line configuration.

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