Double-Screw Compounding and Modification Pelletizing Machine

Product Overview

The double-screw compounding and modification pelletizing machine is a customized co-rotating parallel twin-screw extrusion pelletizing device with no fixed price; it is tailor-made according to the customer’s production capacity requirements. This equipment integrates plastic recycling, compounding and modification, and functionalization into one system, featuring excellent high-shear mixing performance. It can complete the entire process—from raw material processing to finished product output—in a single step, providing customers with high-quality modified recycled pellets and functional masterbatches. The machine boasts superior mixing capabilities, good self-cleaning properties, and flexible modular configuration, enabling it to adapt to diverse processing needs across numerous material systems and widely supporting various modification production scenarios.

Key Features

1. Powerful Compounding and Modification Performance: Utilizing a co-rotating twin-screw strong-mixing structure, this machine delivers outstanding modification results, allowing seamless integration of recycling and modification processes without the need for multiple sequential steps, thereby greatly simplifying the production workflow.
2. Efficient Volatilization and Impurity Removal: Equipped with a multi-stage vacuum degassing system, it ensures thorough removal of volatiles and impurities, effectively reducing impurity levels in the pellets and guaranteeing stable pellet performance and appearance, meeting the stringent quality requirements of high-end customers.
3. Flexible Process Adaptability: It can flexibly accommodate various process demands such as filling, toughening, coloration, and degradation—whether it’s inorganic filler-based modification, fiber-reinforced modification, or the preparation of various functional masterbatches—consistently achieving production goals.
4. Reliable Core Components: All core components are sourced from top-tier brands. Heating options include electric heating and electromagnetic heating; motor brands encompass Siemens, ABB, Weg, or reputable domestic manufacturers; cutting methods offer die-face cutting or strand-cutting; bearing brands include NSK, SKF, INA, FAG, or leading domestic suppliers; and variable frequency drives are available from ABB, FUJI, Delta, or Siemens. The equipment features low failure rates and long service life.
5. High-Value-Added Production: It can produce high-value-added modified pellets, helping customers significantly expand their profit margins and enter premium downstream markets.

Technical Parameter Information

1. Trademark: PURUI
2. Place of Origin: NANTONG
3. Brand: PURUI
4. Heating Method: Electric Heating, Electromagnetic Heating
5. Motor Brand: Siemens, ABB, Weg, or reputable domestic manufacturers
6. Cutting Method: Die-Face Cutting, Strand-Cutting
7. Bearing Brand: NSK, SKF, INA, FAG, or reputable domestic suppliers
8. Variable Frequency Drive Brand: ABB, FUJI, Delta, Siemens
9. Delivery Time: 70–80 working days
10. Warranty Period: 13 months from the date of the delivery note

Applicable Application Fields

This equipment finds applications across multiple sub-sectors of plastics processing, including:
Filling Modification: Suitable for producing filled compounds using calcium carbonate, talc, barium sulfate, titanium dioxide, ceramic powders, wood flour/plant fibers, and other inorganic fillers, enhancing plastic hardness, strength, and other properties.
Reinforcement Modification: Supports reinforcement processing with short glass fibers, long glass fibers, carbon fibers, and other whiskers, creating high-strength, high-modulus modified plastic pellets to meet structural material needs in industries such as automotive and electronics.
Masterbatch Preparation: Capable of producing carbon black masterbatches, color masterbatches, flame-retardant masterbatches, degradable masterbatches, and other specialized functional masterbatches, serving as carriers for functional additives in plastics processing.
Compounding Modification: Ideal for compounding thermoplastics/elastomers, polymer alloys, cable materials, and more—including PVC cable compounds, low-smoke halogen-free cable compounds, PE insulation/sheath compounds, cross-linked PE cable compounds, and specialty cable materials—achieving performance integration and optimization among different materials.

Core Product Value

1. Enhanced Product Profitability: After modification, the market price of finished pellets increases by over 18%, significantly boosting gross margins and enabling customers to transition from low-value ordinary recycled pellets to high-value modified pellet production, expanding their profit potential.
2. Reduced Production Costs: Compared to traditional multi-step modification processes, this machine shortens the workflow by 40%, cuts labor and energy costs by 25%, minimizes material waste, and improves overall production economics.
3. Guaranteed Product Quality: With impurity levels kept below 0.8% and strong batch-to-batch consistency, the pellets can be directly supplied to high-value customers in automotive, electronics, and other sectors, enhancing their market competitiveness.
4. Improved Production Efficiency: With annual stable operating hours exceeding 7,500, the machine boosts production efficiency by over 50%, meeting large-scale continuous production demands and ensuring on-time order fulfillment.

Target Customer Base

This equipment primarily targets companies engaged in modified plastics production, high-end recycled pellet processing plants, functional masterbatch manufacturers, degradable plastics enterprises, and suppliers of automotive/electronic component materials—businesses that place high demands on the performance, quality, and production efficiency of plastic modifications and require an all-in-one compounding and pelletizing solution to enhance product competitiveness and profitability.

Typical Application Scenarios

1. Plastic Recycling and Modification: Processing various types of waste plastics through recycling and modification, transforming low-value scrap into high-quality modified recycled pellets, thus realizing resource circularity.
2. Glass Fiber-Reinforced Pellet Manufacturing: Adding glass fibers for reinforcement modification to produce high-strength glass-fiber-reinforced plastic pellets, supplying automotive parts, electronic housings, and other manufacturing enterprises.
3. Color Masterbatch/Functional Masterbatch Production: Mass-producing various color masterbatches and functional masterbatches, providing standardized functional raw materials for the plastics processing industry.
4. Degradable Plastics Compounding and Pelletizing: Blending degradable materials with conventional plastics to produce biodegradable plastic pellets, aligning with market demand for environmentally friendly materials.
5. High-End PET Recycling Pelletizing: Recycling and modifying used PET materials to produce high-quality PET-modified pellets for packaging, textile fibers, and other premium products.
6. Filling and Toughening Modification Pelletizing: Enhancing plastic hardness and toughness through the addition of inorganic fillers or toughening agents, producing modified plastic pellets tailored to specific application needs.

Addressing Industry Pain Points

1. Solving the Problem of Poor Mixing and Impurity Removal in Single-Screw Equipment: Single-screw machines have limited mixing capacity, making it difficult to effectively remove material impurities and produce high-end modified materials. In contrast, the double-screw compounding and modification pelletizing machine, with its powerful shear mixing and multi-stage vacuum degassing system, achieves thorough volatilization and impurity removal, meeting the demanding requirements of high-end product manufacturing.
2. Simplifying the Modification Production Process: Traditional modification processes require multiple sequential steps, resulting in lengthy workflows, high costs, and significant material losses. This machine enables one-stop recycling and modification, dramatically shortening the production cycle while reducing costs and material waste.
3. Increasing Product Added Value: Ordinary recycled pellets have low added value and struggle to penetrate high-end downstream markets. This machine produces high-value modified pellets, helping customers expand into premium markets and boost product profits.
4. Ensuring Batch Consistency: Conventional equipment often suffers from unstable performance and significant variations between batches, negatively impacting customer reputation. With reliable core components and stable operation, this machine guarantees consistent batch quality, enhancing customer brand credibility.

Common Questions FAQ

Q1: What is the price of this double-screw compounding and modification pelletizing machine?
A: This equipment is custom-made and does not have a fixed price. Pricing will be determined based on the customer’s production volume, configuration preferences, and other factors. Please provide your specific production requirements, and we will develop a tailored solution and quotation for you.
Q2: What is the delivery time for this equipment?
A: The delivery time is 70–80 working days, subject to slight adjustments depending on order scheduling. We will specify the exact delivery date upon signing the contract.
Q3: How long is the warranty period?
A: The warranty period is 13 months from the date of the delivery note. During this period, we will provide free repair services and technical support.
Q4: Which material systems can this equipment handle?
A: With its flexible modular design, this machine can adapt to a wide range of material systems, including various thermoplastics, elastomers, polymer alloys, as well as inorganic fillers, fibers, and functional additives. It meets diverse production needs such as filling modification, reinforcement modification, masterbatch preparation, and compounding modification.
Q5: Compared to traditional equipment, how much has this machine improved production efficiency?
A: With annual stable operating hours exceeding 7,500, this machine boosts production efficiency by over 50% compared to conventional equipment, significantly increasing your production capacity and ensuring timely order fulfillment.