Eco-innovative modular line for recycling plastics in the form of LLDPE, LDPE, HDPE and PE films
The subject of the project is to create a modular automatic line for recycling plastics, in particular for LLDPE, LDPE, HDPE, PE films. The line will consist of:
- a module for the initial separation of minerals in the form of stones, sand and impurities
- washing module
- separation and floatation module
- drying module integrated with the raw material compactor
- a module consisting of a device for separating impurities/sewage.
The line will be characterized by lower electricity consumption due to the elimination of the thermal dryer and its replacement with drying in rotary centrifuges (power reduction by approx. 25%). The new line is planned to use heat recovery using a chiller operating in a liquid-air system. The system will be equipped with an accumulation tank to minimize the maximum power and ensure the possibility of accumulating thermal energy. The line will have a modular structure in order to assemble a shortened functional line or supplement it with other devices and enable transformation for other purposes (this has not been possible so far). The line will reduce the consumption of water and cleaning agents by creating a closed circuit (until now this was not possible) and its regeneration. The functionality of early removal of contaminants, especially in the form of sand, reduces machine wear, increases process efficiency and has a positive effect on product quality. The innovation in this device will be multi-faceted and will include material engineering, special coatings, as well as surface strengthening to increase the durability of the line. Research on the use of a new type of centrifuges with warm air blowing will reduce the moisture content of recyclates, and research on the use of a compression squeezer will minimize the volume and moisture of final products. A developed line for recycling plastics, especially foil, is part of eco-innovation activities due to the reprocessing of raw materials, as well as the possibility of processing them in quantities that ensure the profitability of this type of activities by entities engaged in this type of processing.
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