Our wet granulator is designed specifically for cutting PET bottles into PET flakes while simultaneously removing dirt and other liquid residuals. To accomplish this, heavy-duty cutting knives are arranged in precision array accompanied with a water line that consistently pumps water into the cutting chamber. The resulting PET flakes has several important characteristics:
- Uniform size
- It’s free flowing
- Partially clean
An advantage of adding water to a granulator is to reduce friction within the cutting chamber. Water acts as lubricant that will not only reduce friction, it reduces heat generated and the interval required for blade sharpening and maintenance.
How It Works
The theory behind how granulators work is relatively simple, however, since granulators operate in high speeds and in demanding environments, high quality materials and precision setting of knives are required.
At the center of our plastic granulator is an open rotor mounted with “rotary knives” in a specific array. While ASG uses a double-angle design, v-shaped cutting designs can be arrange based on your specifications. The rotor is spun by an electric motor at around 400-500 rotations per minute. Stationary knives, known as “bed knives” are mounted within the cutting chamber.
As the rotor spins, the rotary knives come in contact with the bed knives that continuously cuts PET bottles in a “scissor cutting” motion. The PET bottles will continue to be cut into smaller and smaller flakes until they are small enough to fall through a mesh screen fitted below the granulator’s cutting chamber. As water is sprayed into the cutting chamber, it acts as a small friction washer where initial debris and liquids are washed away.
|Model #||Rotor Diameter||Knife Width||Rotating Speed||Approx. Output||Motor Power|
|SWP630-1000||⌀630mm||1000mm||470 rpm||1000 kg/h||55KW|
|SWP630-1200||⌀630mm||1200mm||470 rpm||1200 kg/h||55KW|
|SWP700-1000||⌀700mm||1000mm||470 rpm||1500 kg/h||75KW|
|SWP700-1200||⌀700mm||1200mm||470 rpm||1800 kg/h||75KW|
|SWP800-1000||⌀800mm||1000mm||470 rpm||2000 kg/h||90KW|
|SWP800-1200||⌀800mm||1200mm||470 rpm||2000 kg/h||90KW|
Unless otherwise specified, our standard granulator offers double-angle cutting with 15 rotary knives and 4 bed knives. As the quality of knives is severely important, ASG uses only the highest quality, high carbon, high chromium SDK11 material that is equivalent to D2 standards in the United States.
Knives can be easily adjusted with hydraulic assisted access to the cutting chamber.
Place an Order
The lead time for orders depends on the complexity of the project as well as the amount of machinery we have in queue. Generally speaking, standard equipment requires 30 days. For custom orders or complete washing lines, our general lead time is between 60-90 days.
Contact us to discuss pricing and ordering details.
Learn about our ordering procedures.