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Basic Guide to Plastic Pelletizer Recycling

Plastic pelleting is a system and technology in which plastic waste is recycled into reusable raw materials. The melt-filtered strands were briefly cooled and cut into pellets. Plastic manufacturers or processors can then reuse it for various applications. Plastic granulators for recycling play a vital role in recycling and reusing plastic waste. More and more manufacturers are looking for ways to reduce waste and recycle materials in their processes. To help you understand your options and which type might be best for your plastic granulation recycling process, our experienced team has put together a professional and reference list “3 Essential Guides to Plastic Recycling Granulators”.

1. Cutting type of plastic granulator and granulating line

Granulators are an important part of the recycling industry. Three main cutting types of plastic recycling granulation systems and technologies are available. The main differences are summarized below.

  • Hot die face pelletizing system
  • Hot die water ring granulation
  • Underwater Pelletizing System (UWP)
  • Strand pelletizing system
  • Automatic strand pelletizing system

2. Key components of waste plastic granulator

The main components of waste plastic granulator are conveyor belt, cutter, compactor, shredder, extruder, granulator, cooling system, drying system and silo. With different internal screw systems, the machine can handle a wide variety of materials.

  • conveyor
  • Knife Compactor
  • Shredder
  • extruder
  • Granulation system
  • cooling system
  • Drying system (drying centrifuge)
  • Silo or bagging station

3. Feeding method of plastic recycling granulator

Common feeding methods include hopper feeding and side feeding.

Hopper feeding recycling granulator

The feed hopper feeds the material directly into the extruder without preheating. Harder plastic waste or hard recyclables such as HDPE bottles are suitable for recycling through the hopper feeding system. Soft plastic materials such as crushed and washed PE film can also be processed, which makes the hopper fed recycling pelletizer a flexible solution.

Knife Compactor Feed Recovery Granulator

The compaction and granulation system integrates cutting, crushing, compaction, plasticization and granulation. It is an effective solution for the regranulation of plastic films, HDPE bags, plastic raffia, zippers, non-woven bags and foamed materials.

News Edition Plastic Granulator

Most manufacturing plants are looking for a universal recycling granulator that can handle many different types of plastic materials. The GENIUS Cutter Compactor Recycling Machine line is designed for these requirements. We have developed a new version of the plastic recycling granulator for flexible recycling at a competitive price. Additionally, these pelletizers offer customization options with lower energy consumption and less labor requirements. Super features are listed below.

Wide range of material processing:

Whether solid or rigid, raffia or foam material types, all materials can be machined.

Energy saving:

It reduces overall energy consumption by up to 20%.

Save labor costs:

only one to two operators required 

Output capability:

The GENIUS Cutting Compactor Recycler offers higher output and lower energy consumption compared to conventional recycling pelletizers such as forced-feed recyclers.

Knife Compactor:

The recycling granulator is equipped with a high-speed compactor unit that generates frictional heat and compacts especially fluffy materials. Not only does this unit help with continuous and even feeding for better material output, it also helps with moisture removal during processing.


Fast delivery. faster return on investment. The air-cooled granulator adopts a highly standardized design, and the delivery time is only 30 days after the order is confirmed. On average, the payback period is only 6-10 months, proving that post-industrial HDPE and LDPE film recycling can be extremely cost-effective when done correctly.

Waterless recycling

For some producers in Indonesia, clean and fresh water supply can be an issue, creating the following two problems:

  • Recycled pellets are “contaminated” with water and therefore affect product quality when reused in HDPE and LDPE film pelletizing machine or bag production.
  • Water is easy to block the filter of the water circulation system, which affects the production stability. It also disrupts the cooling effect of large recyclers that use water cooling.

Save space. easy installation. anywhere in your factory

The design of this machine is very compact. This small granulator can be installed next to production lines such as bag making machines and film blowing machines. It does not require a separate room or space for a larger recycling machine, so adding this air-cooled granulator is quick and easy.

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