Analysis of difficulties in PP PE film recycling and washing line plant

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The plastic PP PE film washing and recycling line is an advanced system specifically designed for crushing, cleaning, dehydration, and drying of PP PE film and woven PP bags. This equipment offers several benefits, such as simple structure, easy operation, high output, low energy consumption, and enhanced safety and stability. By automating key processes, this line ensures a compact layout, high production efficiency, and a superior cleaning effect.

Features and Advantages of the Plastic Film Recycling Line

Simple Operation: Designed for ease of use, the machinery allows operators to handle waste materials with minimal manual intervention.

High Output: The recycling line maximizes throughput, ensuring that large volumes of waste can be processed efficiently.

Energy Efficiency: By optimizing power consumption, the line significantly reduces operational costs.

Safety and Stability: Built with the latest safety standards, the equipment ensures smooth, reliable operation.

Applications of the PP PE Film Washing and Recycling Line

Plastic waste

The PE PP film and woven bag cleaning line has a wide range of applications, making it suitable for processing various waste materials. These include:

PP woven bags such as cement bags, bulk bags, and feed sacks.

PE film such as shopping bags, packaging films, industrial waste films, and agricultural films (mulch, greenhouse films).

PA nylon for industrial and consumer waste recovery.

Household waste plastics, including garbage bags, plastic wraps, and service packaging films.

Stretch films, winding films, and drip irrigation bags used in commercial and agricultural sectors.

This equipment efficiently handles waste materials like domestic plastic garbage, industrial packaging film, and agricultural plastic mulch, ensuring that all types of plastic film are thoroughly cleaned and processed for recycling.

Plastic film

Optimized Design for Efficiency and Performance

1. Capacity Enhancement

One of the most common challenges in traditional plastic film recycling processes is limited capacity, especially when processing materials like woven bags and soft films. Traditional crushers often struggle to handle high volumes, leading to slow processing times and increased energy consumption.

Old Crusher Blade

Retech’s Solution:

Through innovations in spindle structure and the integration of an optimized shear angle, Retech’s crushers now process soft materials like PP PE film and woven bags with greater efficiency. The improved design has increased shear efficiency by 70%, allowing for higher throughput. Additionally, the new open spindle structure dramatically increases the line’s production capacity while keeping energy consumption low.

New Crusher Blade

2. Improved Water Content Reduction

Another challenge in plastic recycling is achieving optimal humidity control. In traditional systems, films are often inadequately dried, leaving a moisture content as high as 10%. This high moisture content makes it difficult for recycled film to undergo granulation for reuse.

Squeezing machine

Retech’s Solution:

To address this, Retech has enhanced the drying process by extending the contact time with hot air, allowing for more effective moisture removal. The upgraded system includes both dehydration and drying processes, ensuring that the film reaches a moisture content of about 5%. Additionally, with the introduction of a film extruder, moisture is further reduced to under 3%, making the material ideal for film granulation and recycling.

The extrusion drying process not only heats the material through the screw and flow channels but also expels the water through the mesh, resulting in a significantly lower moisture content. The film is then granulated into small particles, ready for reuse.

General Process Overview of the Plastic Film Recycling Line

The core processes involved in plastic film recycling are designed for maximum efficiency and output quality. Here is a step-by-step outline of the production line:

Conveying the Film – The waste material is transported to the crusher.

Crushing – The material undergoes water-assisted crushing to reduce its size.

Rinsing – High-speed friction ensures that contaminants are thoroughly removed.

Dehydration – The film is wrung out to remove excess water.

Drying – After dehydration, the film is dried using a pipeline drying system, reducing moisture levels for further processing.

By incorporating friction cleaning, rinsing, extrusion dehydration, and drying, the recycling line transforms waste materials into clean, usable plastic films. For further moisture reduction, an optional wringing machine can be added, reducing moisture content to 2-5%, which prepares the film for granulation.

Environmental Impact and Global Compliance

This set of crushing, cleaning, and recycling equipment is developed with a focus on the environmental protection standards required for waste plastic recycling globally. The equipment is specifically designed to handle soft floating plastics such as waste braided tape and films, ensuring that it meets the needs of industries looking for sustainable solutions.

By reintroducing recycled plastics into the supply chain, this technology reduces the need for virgin plastic production, making it an integral part of the circular economy.

Key Specifications of the Plastic Recycling Line

Our R&D department has repeatedly tested and developed a new generation of efficient, water-saving plastic recycling equipment. The key features include:

Low energy consumption for reduced operational costs.

High output for large-scale recycling needs.

Attractive appearance for easy integration into modern facilities.

Reliable and durable components for long-term use.

Conclusion

The plastic PP PE film washing and recycling line is an ideal solution for industries looking to efficiently process waste plastics. With its high output, energy efficiency, and advanced drying technology, this equipment offers a comprehensive solution for recycling PP woven bags, PE films, and other soft plastic materials. By adopting this system, companies not only reduce waste but also contribute to environmental sustainability.

For businesses involved in waste plastic management, the ability to process materials with low moisture content, high efficiency, and reduced energy costs makes the Retech plastic recycling line a valuable investment in both performance and environmental compliance.

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