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PET Planetary Extrusion/Melt Filtration Technology

Xindacheng Plastic Machinery Company's PET Planetary Extrusion/Melt Filtration Technology enables direct recycling of PET bottles into high-quality granules, belts, fibers, and food-grade sheets, ensuring continuous production without drying. The system integrates advanced filtration and viscosity monitoring to ensure product quality, making it ideal for sustainable and high-performance PET manufacturing.
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Product Overview


The PET Planetary Extrusion/Melt Filtration Technology is designed to enhance the processing of PET materials by improving the extrusion and melt filtration process. This technology ensures the efficient removal of impurities during production, resulting in higher-quality PET products.


The planetary extrusion system allows for precise control of the material flow, leading to uniform and consistent product output. The melt filtration process further improves material purity by effectively filtering contaminants, which is crucial for producing high-performance PET products. This technology is ideal for industries requiring high-quality PET, such as packaging, textiles, and medical applications. By optimizing both extrusion and filtration, it helps increase production efficiency while maintaining the integrity of the final product.


Product Advantages 


1. PET Planetary Extrusion/Melt Filtration Technology


Drying System Free of Crystallization

The system eliminates the need for drying, enabling direct bottle-to-bottle recycling. It processes 100% bottle flake material to produce high-performance PET belts, fibers, and food-grade PET materials without additional drying steps.


High Efficiency Mixed Plasticizing Function

The planetary extrusion process offers significantly greater polymer surface area compared to traditional methods. Its surface area is 80 times larger than a single screw and 30 times larger than a twin screw, enhancing plasticizing efficiency.


Efficient Devolatile Exhaust Technology

This drying system achieves optimal final product quality even when raw materials have up to 0.8% moisture content. The advanced devolatile technology ensures the removal of excess water, ensuring perfect product consistency.


Twin Filtration System

The filtration system has a high accuracy of 70 microns, ensuring that the final product meets FDA-grade standards. This system provides enhanced purity, which is crucial for food-grade applications.


On-Line Viscosity Test

The integrated on-line viscosity testing system provides real-time monitoring of the melt's viscosity. This feature ensures consistent quality and allows for immediate adjustments during production to maintain desired material properties.


Forced Vacuum Exhaust System

The planetary segment includes a robust vacuum extraction system. This system effectively removes water vapor and other volatiles from the melt during extrusion, improving product quality by ensuring a clean and moisture-free final material.


PET Planetary Extrusion Melt Filtration Technology


2. PET Planetary Pelletizing Technology


High Efficiency Mixed Plasticizing Function

The planetary screw extruder uses a central screw and small-diameter planetary screws that continuously mesh and transmit. This significantly increases the melt surface area, making it far larger than traditional extruders, enhancing plasticizing efficiency.


Efficient Devolatile Exhaust Technology

The continuous meshing of the central screw and small-diameter planetary screws frequently renews the polymer surface. Combined with a large vacuum exhaust opening, this system effectively removes moisture and volatiles, eliminating the need for energy-intensive pre-crystallization drying.


Online Viscosity Test

The system includes an accurate, real-time online viscosity monitoring feature that continuously tracks melt performance. This ensures precise adjustments can be made during the process, maintaining consistent product quality.


Filtration Accuracy

The filtration system achieves a high accuracy of 70 microns, ensuring that the final product meets the strictest standards. It guarantees high-quality materials suitable for FDA-grade applications.


Direct Bottle-to-Bottle Recycling

The technology allows for direct recycling of PET bottles into granules without the need for drying. This enables efficient, sustainable bottle-to-bottle recycling for producing new PET products.


Production of High-Performance PET Materials

The system processes 100% bottle flake material to produce high-performance PET packaging belts, fibers, and other products. No drying is required, improving energy efficiency and simplifying the production process.


Food Grade PET Sheet Production

Without the need for drying, the technology directly uses 100% bottle flake material to produce high-performance, food-grade PET sheets. This ensures a consistent, high-quality product suitable for food packaging applications.


3. Double filtration system


The double filtration system improves efficiency by removing impurities from the melt, ensuring high-quality output. It supports continuous operation without affecting product quality during screen changes or backflushing.


Automatic Continuous Backflush Filtration Technology

The system combines backflushing and exhaust functions to enhance filtration efficiency. It prevents production stops, reduces energy consumption, and improves output and economic benefits by maintaining continuous operation.


Continuous Melt Filter

The continuous melt filter effectively removes impurities from the melt, ensuring cleaner material. With four filter chambers, 75% of the filtration area remains operational during backflushing or screen changes, preventing pressure fluctuations and ensuring consistent production.


Automatic Backflush Function

The automatic backflush function allows for recycling the filter, extending the time between screen changes. This feature enables long-term continuous production without interrupting the manufacturing process, ensuring stable output and reduced downtime.


Secondary Precision Filtration System

The secondary filtration system uses a pleated stainless steel tubular filter element. With a filtration area of 2-4.5m², it enhances filtration accuracy and extends the cycle time between screen changes, improving production efficiency.


Proprietary Filter Element Design

The advanced filter element design ensures thorough secondary filtration of molten polymer materials. This improves material purity, with a filtration accuracy of 70 microns, ensuring that the final product meets FDA standards.


Online Viscosity Test

The online viscosity test system provides high-accuracy real-time monitoring of melt performance. This ensures continuous quality assurance, enabling immediate adjustments to maintain the desired material properties during production.


Scenarios


1. Packaging materials

It is widely used in the production of PET packaging materials, ensuring clean, uniform products suitable for bottles, containers, and films.


2. Fibers used in textiles

The system supports the production of PET fibers used in textiles, ensuring high-quality, contaminant-free products for fabrics and garments.


3. Containers and bottles

Used for the production of PET containers and bottles for food and beverages, the technology ensures material integrity and safety in contact with consumables.


4. Medical devices and components

It helps in producing high-purity PET materials for medical devices and components that require strict quality standards and safety.



Type/Item

XJC-90

XJC-120

XJC-150

XJC-170

XJC-200

Screw length-diameter ratio

35

35

35

35

35

Screw diameter

90

120

150

170

200

Driving power

110

110

160

200

250

Main screw speed

70

70

70

70

70

Heating power(Kw)

30

50

66

90

110

PET Output ( Kg/h )

260

450

600

800

1000






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 +86-18766256818
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