Purui Bulk Bag Recycling Granulator

Product Overview

The Purui Bulk Bag Recycling Granulator is a customized, wear-resistant recycling granulation machine specifically designed for processing waste woven plastics. It features an advanced compacting and agglomeration feeding system, enabling it to directly handle whole bags or bundles of waste woven materials without prior shredding—such as cement woven bags, grain bulk bags, containerized space bags, snake-skin mesh bags, and laminated woven bags—while efficiently producing high-quality PP recycled pellets. The equipment employs an integrated process combining a compactor with a thickened, wear-resistant single-screw extruder, leveraging multiple core technological advantages to effectively address the industry’s longstanding pain points associated with traditional granulation equipment, thus providing plastic recycling and processing enterprises with an efficient, energy-saving, and stable granulation solution.

Technical Principle

This equipment utilizes an integrated compactor–thickened, wear-resistant single-screw extrusion process to achieve a complete workflow from waste material to recycled pellets. First, used woven bags and bulk bags can be directly fed into the compactor chamber, where high-speed rotating blades perform powerful shearing and disintegration. As the material collides and rubs at high speed within the chamber, friction generates heat, causing the originally fluffy woven material to contract and compact into uniform agglomerates. With a packing density increased by 3–4 times, the material is smoothly fed into the extrusion screw, effectively avoiding the bridging and clogging issues common in conventional feed systems. Subsequently, the agglomerated material enters the extrusion screw, undergoing segmented heating and intense shear-based melting and plasticization, ensuring thorough and uniform melting. Finally, the molten material passes through a multi-stage filtration die to remove impurities such as ink and sand, before being extruded, water-cooled, and cut into pellets, yielding high-purity, consistently stable PP recycled pellets.

Performance Parameters

1. Standard model capacity: 100–1500 kg/h
2. Screw material: 38CrMoAlA alloy or bimetallic material, nitrogen-treated for superior wear resistance
3. Main motor power: 37–355 kW
4. Compactor feeding method: allows direct input of whole bundles or bags of woven material, increasing packing density by 3–4 times
5. Heating method: electric heating or electromagnetic heating
6. Heater material: cast aluminum, cast copper, mica, or ceramic heaters
7. Motor brand: Siemens, ABB, Weg, or leading domestic brands
8. Cutting method: die-face cutting or strand-cutting
9. Bearing brand: NSK, SKF, INA, FAG, or top domestic brands
10. Inverter brand: ABB, FUJI, Delta, or Siemens
11. Delivery time: 70–80 working days
12. Warranty period: 13 months from the date of the delivery note
13. Trademark/brand: PURUI
14. Country of origin: NANTONG

Core Advantages

1. Stable compactor feeding: The equipped compactor–agglomeration feeding system eliminates bridging and clogging, ensuring uniform and steady feeding, thereby preventing production fluctuations caused by uneven feeding and guaranteeing continuous, reliable operation.
2. Eliminates the need for shredding: Whole bags and bundles of waste woven materials can be directly fed into the machine without prior shredding, reducing labor and equipment costs associated with separate crushing processes.
3. Self-friction preheating saves energy: Material self-heats through high-speed collisions and friction inside the compactor, resulting in higher plasticization efficiency upon entering the screw. Compared to traditional equipment, this approach reduces electricity consumption by over 12% per ton processed, delivering significant energy savings.
4. Wear-resistant screw adapted to dirty materials: The thickened screw made of alloy wear-resistant material, treated with nitrogen, boasts greatly enhanced wear resistance, enabling it to handle highly contaminated materials while slowing down screw wear and lowering maintenance costs.
5. Multi-stage filtration boosts pellet purity: Advanced filtration dies effectively remove impurities like ink and sand, producing PP recycled pellets of exceptionally high purity, with a defect rate kept below 3%, suitable for direct reuse in woven bag production.

Core Product Value

1. Cost reduction and efficiency gains: By eliminating the separate shredding step, the need for 1–2 operators is reduced, cutting labor costs by 35%; a single production line can produce up to 36 tons per day around the clock, dramatically boosting productivity.
2. Energy conservation and consumption reduction: Self-friction preheating enhances plasticization efficiency, saving more than 12% electricity per ton processed; long-term operation significantly cuts electricity expenses, while extending the service life of alloy cutting tools by 120%, reducing consumable replacement costs.
3. Consistent quality: Multi-stage filtration ensures high pellet purity, keeping the defect rate below 3%, allowing the recycled pellets to be directly reused in woven bag production without additional processing, thereby increasing product value.
4. Customizable adaptation: Equipment can be tailored to meet specific customer production needs, accommodating recycling and processing enterprises of varying scales and diverse operational requirements.

Target Customer Base

The target customers for this equipment include woven bag manufacturers, cement and grain packaging companies, waste plastic recycling plants, and recycled pellet processing facilities—all entities with substantial demand for handling waste woven plastics. This equipment helps them turn waste materials into valuable resources, reduce raw material costs, and enhance their overall economic performance.

Application Scenarios

The Purui Bulk Bag Recycling Granulator is primarily used in various scenarios involving the recycling and granulation of waste woven plastics, including the regeneration of cement woven bags, grain bulk bags, containerized space bags, snake-skin mesh bags, and laminated woven bags. Whether it’s large-scale processing at small waste plastic recycling plants or the circular utilization of edge scraps at major woven bag producers, this equipment adapts reliably, efficiently producing high-quality PP recycled pellets and realizing the resourceful reuse of waste plastics.

Solving Industry Pain Points

1. Addresses the issue of loose woven materials getting stuck in feed hoppers: The compactor–agglomeration feeding system compresses fluffy materials into uniform agglomerates, increasing packing density by 3–4 times and ensuring smooth feeding into the screw, completely eliminating feed-related malfunctions.
2. Removes extra costs associated with pre-shredding: No separate crushing equipment or operators are needed, saving on equipment investment and labor costs while simplifying the production process.
3. Solves production fluctuations caused by uneven feeding: Uniform, stable agglomerate feeding ensures consistent screw operation, preventing unpredictable spikes or drops in output and enhancing production stability.
4. Reduces maintenance costs due to rapid screw wear: The thickened, wear-resistant screw made of alloy and nitrogen-treated material exhibits excellent wear resistance, adapting well to processing highly contaminated materials, significantly extending the screw’s service life and reducing repair and replacement frequency and costs.
5. Tackles problems of mesh blockages and poor pellet quality caused by excessive impurities: Multi-stage filtration dies effectively remove various contaminants from the material, preventing mesh blockages while improving pellet purity, lowering defect rates, and ensuring pellet quality meets the requirements for reuse in production.

Frequently Asked Questions (FAQ)

Q1: Does this bulk bag recycling granulator require pre-shredding of waste materials?
A: No, the equipment is equipped with a compactor–agglomeration feeding system that allows direct input of whole bags or bundles of waste woven materials, eliminating the need for separate shredding and streamlining the production process.
Q2: What is the equipment’s capacity range? Can it be customized?
A: The standard model has a capacity of 100–1500 kg/h. This equipment is custom-made, and models can be tailored according to customers’ specific production needs.
Q3: How is the quality of the recycled pellets? Can they be directly reused?
A: After multi-stage filtration to remove impurities, the pellets boast high purity, with a defect rate kept below 3%, making them suitable for direct reuse in woven bag production without further processing.
Q4: What is the equipment’s energy-saving effect?
A: Material self-heats through friction inside the compactor, leading to higher plasticization efficiency when entering the screw. Compared to traditional equipment, this approach saves over 12% electricity per ton processed, resulting in substantial long-term energy cost reductions.
Q5: How long is the equipment’s warranty period?
A: The warranty lasts 13 months from the date of the delivery note, during which customers can enjoy relevant after-sales maintenance services.