Plastic washing machines are a key component of any recycling plant that processes post-consumer plastic or recovered industrial material. This equipment ensures the removal of impurities, organic residues, labels, adhesives and contaminants, thereby improving the quality of the recycled material and increasing its market value.
This machinery prepares the plastic for subsequent granulation, extrusion or recycling, reducing incidents in subsequent processes and improving the plant’s overall performance. High-efficiency plastic washing plants are essential for processing materials such as HDPE, PET, PP, ABS and polyethylene film.
These machines are designed to perform an intensive cleaning process using friction, agitation, and density separation. Their purpose is to remove surface dirt and contaminants adhering to shredded or granulated plastic.
The overall operation is structured in several phases:
1. Feeding the crushed material
2. Washing by friction or agitation
3. Separation of impurities
4. Preparation for drying
These are pieces of equipment designed for high-production plants, capable of processing large volumes of material continuously.
Industrial plastic washers are designed to carry out an intensive cleaning process using friction, agitation and density separation. Their purpose is to remove surface dirt and contaminants adhering to shredded or granulated plastic.
The process is divided into four stages:
Feeding of the shredded material — The pre-processed plastic enters the system via a hopper or conveyor belt.
Friction or agitation washing — Using blades, propellers or rotating systems, the material is subjected to friction which removes labels, organic matter and adhering particles.
Separation of impurities — Using decanting or flotation systems, lighter or heavier contaminants are separated from the clean plastic.
Preparation for drying — The washed material is fed into centrifuges or drying systems to reduce its moisture content prior to the granulation stage.
In demanding industrial environments, capacity and performance are key factors.
A washing system must ensure:
A well-sized plastic sink allows for:
At Silmisa, we have been manufacturing industrial plastic washing tanks for over 30 years, which can be customized according to the type of material, the level of contamination and the required production capacity. As manufacturers specializing in recycling machinery, we design solutions tailored to each production process.
Our plastic washbasins can be integrated with:
If you’re looking for a plastic washing machine or a specific solution for your recycling line, please contact our team of experts for specialist technical advice.