1. Sorting and pre-treatment section
Manual/automatic sorting station
-Remove non-PP materials (such as PS, PET, aluminum foil, etc.) and severely contaminated lunch boxes.
-Upgrade options: infrared spectrometer (NIR) automatically identifies materials.
-Remove the label and glue residue of the meal box.
2. Cleaning section
-Coarse crusher
-Break the lunch box into pieces to improve cleaning efficiency.
-Hot washing tank (de-oiling)
-Add alkaline cleaning agent at temperature 70-90℃ to remove grease and organic matter.
-Friction cleaning machine
-High speed rotating friction removes attached stains, combined with high pressure spraying.
-rinsing bath
-Circulating water washing + flotation separation (removal of density impurities).
-spin-drier
-Centrifugal dehydration to moisture content <5%.
3. Regenerated granulation section
-Fine crusher
-Further crush the fragments to 3-5mm particles.
-Melt extruder
-Temperature control 180-220℃, filter impurities in the melt (the accuracy of the filter is less than 80 mesh).
-dicing cutter
-Uniform RPP particles are produced for injection molding of new meal boxes.
|
question |
Rx |
|
Oil stains are serious |
Multi-stage hot washing + biological enzyme cleaning agent (food grade) |
|
The label is difficult to separate |
High temperature water tank + mechanical friction stripping |
|
Impurities affect the purity of regeneration |
Flotation separation + melt filtration (multi-layer filter) |
|
High energy consumption |
Waste heat recovery (such as drying section heat used for preheating cleaning water) |
1. Waste water treatment
-Oil and water separator + sedimentation tank should be configured, and the pH should be adjusted to neutral before discharge.
2. Waste gas treatment
-Install activated carbon adsorption device in the molten section (to avoid VOCs escape).
3. Noise control
-The crusher is equipped with a sound insulation hood, which is the basis for equipment vibration reduction.
-Cost: about 800,000-1.5 million yuan for small and medium-sized production lines (1-2 tons/hour).
-Operating cost: power consumption is about 0.5-0.8kWh/kg, water consumption is about 1-1.5 tons/ton raw material.
-Output value: The price of recycled PP particles is about 60-70% of the new material (which needs to pass food grade certification).
Upgrading options (increasing added value)
-High purity sorting: electrostatic sorting machine removes metal/non-PP plastics.
-Food grade certification: high temperature vacuum deodorization process is added to meet FDA/EFSA standards.
-Intelligent monitoring: PLC system monitors parameters such as cleaning degree and melt pressure in real time.
If you need more detailed plans (such as layout diagram or equipment brand recommendation), you can provide specific requirements (such as daily processing capacity, site size, etc.).
|
Model |
Capacity (kg/h) |
Power (kw) |
Space (m2) |
Compressed air (m3/min) |
Water (m3) |
|
PE/PP1000 |
1000 |
150 |
700 |
0.5 |
2 |
|
PE/PP2000 |
2000 |
230 |
1000 |
0.5 |
3 |
|
PE/PP3000 |
3000 |
290 |
1500 |
0.5 |
3 |
High efficiency crusher
Breaking is stronger and easier to disassemble
Clean up debris and separate residual dirt and dust
washing machine
Intense hot washing intelligent control
High speed dehydration has lower energy consumption
Upper computer control system:
feature:
① Production process is real-time controlled, data.
② Real-time monitoring of the operating status of devices
③ The system is equipped with an intelligent physical examination module to remind the equipment of regular inspection items in real time to avoid false or missed inspection.
Brand of Components:
| All type of bearings use Japanese NSK or German SKF, |  |
| The motor is SIEMENS or WEG |  |
| The reducer adopts Ruidesen |  |
| Inverter |  |
| Low voltage components |  |
| PLC Module |  |
| Imported conductivity sensor is used for hot washing detection |
|
| DCS SYTEM | |
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Why POLYTEC more suitable for your investment?
With Austrian Technology & Made in China
Use our own factories to manufacture waste plastic recycling machines(plastic washing line and pelletizing line) - better quality control
With CE certificate, can meet UL/CSA standard
Quick machine service
Intelligent machine control
Low energy consumption, high output
Equipped with a complete water treatment system
