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pet bottle washing line-0

Plastic Washing Line

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PET Bottle washing line

Raw materials: Beverage bottles, mineral water bottle, food bottles/jars (salad dressing, peanut butter, honey, etc.).

01— Project introduction
PET is one of the most popular and used plastic packaging materials in the world. It is also one of the most dominant waste types in the ocean. However, used PET bottles should not be seen as waste, as they are 100% recyclable. The PET can be heated and molded into numerous shapes. It is a clean, safe, and convenient packaging method. This makes it easy and sustainable to turn PET packaging into a circular economy, also called a closed loop.
02— Applicable materials
With more than 15 years of experience in PET recycling field, POLYTEC can provide a solution that meets your needs in value and efficiency.
POLYTEC can treat different conditions of PET bottle: Beverage bottles, mineral water bottle, food bottles/jars (salad dressing, peanut butter, honey, etc.).
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03— Processing Flow :
PET Bottle Recycling Process:
De-baling→Metal Removal-→Label Removal--→Metal Removal--→Bottle Pre-washing→Optical Bottle Sorting→Manual Sorting→Crushing→Dust Removal-→Flotation Hot washing→Friction Washing→Rinsing→Flushing
Washing→Drying→Dust Removal-→Optical Flakes Sorting→Blending→Online Inspection-→Packing
Ps.A standard sampling of food-grade/filament-grade PET bottle recycling process,equipment configuration and the process will be optimized according to raw materials
3D-LAYOUT :
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PROJECT PARAMETERS:
Food Grade/Filament Grade Estimated plant parameters :
Input capacity (kg/h) Required area(㎡) Install power Required water Required steam Required compressor air(㎡/min) Man power
(kw) (m³/h) (kg/h)
1000 1300 550 2 600 3 5
2000 1600 800 4 900 4.5 7
3000 2000 900 4.5 1300 6.5 8
6000 3000 1000 9 2300 12 11
*water consumption parameters are calculated based on using wastewater reuse system.
*PET bottle material composition and factory management level will affect actual consumption .
Food grade/Filament Grade Production consumption table-average energy consumption per ton flakes:
Input capacity (kg/h) Electricity consumption Steam Washing detergent Water consumption
(KWH) (kg) (kg) (ton)
1000 170 600 12 1.5
2000 165 550 12 1.5
3000 160 500 12 1.5
6000 150 450 12 1.5
Food Grade/Filament Grade PET Flakes Quality Standard Reference Table:
Moisture <1%
Label <15ppm
Pvc <30ppm
Inorganic compounds <10ppm
Glue <10ppm
PH 7.5±0.5
PP/PE <15ppm
Metal <10ppm
Total impurity <100ppm-250ppm
*Flake size 12mm
*Flakes size can be specified by customers
04— Advantages
1. Solutions for diversification of input PET bottle bales.
2. Automatic de-baling technology, reduces labor, a strong bale breaking ability for high-density PET botle bales
3. Effective PVC label removal.
4. Pre-washing and hot washing process to ensure the cleanliness of rPET flakes.
5. The hot washing process reduces impurities content to achieve high stable and reliable quality of rPET flakes.
6. Completed online water recycling treatment system.
05 — Unit Introduction
unpacking machine When working, a forklift is used to place the bottle bricks on the platform, manually cut and pull out the strapping iron wire, and then the forklift pushes the bottle bricks into the rubber belt conveyor for transportation, and the unpacking speed is controlled by frequency conversion and speed regulation. image(ebf2cd3c25).png
Trommel screen

The effect is to break up the lumps, sift out small garbage and part of the bottle cap.

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Pre-washer It aims to wash away the dirt and adhesive labels on the surface of bottle scraps that are delivered to the washing machine after being scattered by the unpacking machine with high-temperature agentia to and deliver the washed bottles to the next process with the double screw. image(fe4f689b89).png
Label Scrapping machine The label scrapping machine is designed to scrap the labels attached to bottles. It mainly consists of feed section, rotor drum, nail tray, pedestal, lateral plate, discharge section and transmission device image(6813528da9).png
Label blower Due to the weight difference between bottles and labels, labels are separated out by the wind force of the label blowing fan that is equipped to the discharge end of the drum of the blowing machine, brought into the label screen frame and collected by the trolley or blown to the wrapping machine; while bottles are outputted from the other end and delivered to the next process by the double-screw conveyor.
image(be9fc6b321).png
Optical bottle sorting section Polyretec provides optical sorting machine and integraton Solution by cooperating with well-known sorting device
manufacturers across the world.On one hand,automatic opticalsorting macthine can reduce the mananement cost
and man power requirement and on the other hand guaranteeing the stablity of sorting.
Non-PET color bottles and metals can be detected and sorted out by NIR.optical sensor optical camera and metal
detector in this section.lt provides guarantee the PET materials purity.
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Wet Crusher Wet grinding featured with unhindered feeding, stable output, low energy consumption, low noise, and firm structure is adopted in this production line

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Floating Washer Remove caps,dust ,stone ,impurities ,chemicals image(1c61518a54).pngimage - 2025-07-01T101916.538.jpg
Zig-zag label blower Removing label dust ,labels,powder
Maximum separation efficiency ~99% -Target PVC label content <10PPM Depend on local raw material characteristics(thickness,label type)
image(81af2d999c).png
Hot washer section Smart control washing process
Smart chemical dosing feeder
Smart adding flakes and come out
Smart injecting steam water
Smart set heating time
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Centrifugal Dewater Removing water and dry flakes into 1%
Efficient aspiration guarantees high quality,cleaning-free mesh saves manpower Driven by the shaft of the de-watering machine,the rPET flakes reacha high-speed centrifugal state within the chamber,effectively removing water through the mesh.
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Flakes sorting ,
blending and packing section
For high-grade PET flakes applications,automatic optical flake sorting unit is an indispensable module.the unit including automatic flake sorting eddy curent.and pipe-type metal separator.These devices would maximize the removal of impurities before packing to ensure the stability of flakes quality.Flake with low impurity content and stable quality is a standard to measure PET recycling process.For the various quality factors during PET recyclingprocess,blending equipment and on-ine detection device especially designed can ensure the various quality indicators to meet criteria and to make sure nosinale parameter exceedino the reauirementso thatthe uality ofthe flakes wilbe quaranteed.0n-line weighing device can monitor real-time production flow.Packing unit by taking advantage of the shaking system specially designed,can make the packing of the flakes reach the fix weight and maximize bulk density which areatly reduce the packing and transportation costs. image - 2025-07-01T102140.450.jpg
Online circulating water filtration system It is composed of water pump, circular vibration sieve and water tank. the water discharged from the machine is filtered out of labels and caps.The water is then sent to the next level of machine for use.
Vibrating packing Silo Effective volume: 1.5m³
Hydraulic lifters
image(fdffc1b5fe).png
DCS intelligent recycling line control system Upper computer control system:
Features:
①The production process is controlled in real time, and data .② Monitor the operating status of the equipment in real time③The system is equipped with an intelligent medical examination module to remind the equipment of regular inspection items in real time to avoid false or missed inspections.
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Brand of Components:
All type of bearings use Japanese NSK or German SKF, image(fc63060ad8).png
The motor is SIEMENS or WEG image(50d7f87dd4).png
The reducer adopts Ruidesen image(aa91fee44b).png
Inverter image(82a871cd4c).png
Low voltage components image(a82d6929d1).png
PLC Module image(b59580fef2).png
Imported conductivity sensor is used for hot washing detection
DCS SYTEM image(b59580fef2).png
06.Customer cases:
1.This is 1000kg/h efficient LDPE rigid plastic washing solution to Qatar from POLYRETEC
Machinery.We equiped with crusher and hot friction washer with patent for battery/blue drum /oil pot washing effect,the final rigid flakes'
water content is about 1%, the glue and label paper totally removed,which can meet the requirements of granulation line.
Located in shanghai
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2.ThePTW600 pesticide bottle recycling line POLYRETEC .Pesticides are agricultural chemicals used to prevent pests and diseases and regulate plant growth. They are widely used in agriculture, forestry and animal husbandry production, environmental and household hygiene to prevent pests and epidemics, and industrial products to prevent mould and moths. There are many kinds of pesticides, which can be divided into insecticides, acaricides, rodenticides, nematicides, plant growth regulators, etc., according to their uses. According to the bottle material, it is divided into three categories: PET bottles, pure HDPE bottles and bottles with barrier layers. Many pesticide bottles are produced in farming every year
Located in shandong province ,china
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3.PP Food Containers Plastic Washing Recycling Line
More and more customers found that there are tremendous opportunities for business in plastic recycling field.POLYRETEC providing the best solution for plastic recycling.Such as HDPE bottle,drum,hollow container,PP chairs,WEEE ABS/PS waste's recycling.
Located in china
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4.the fiber grade 1000KG/H PET Flakes Washing Machine line.
One of the most famous plastic recycling company bought the PET washing line from POLYRETEC.PET recycling has a huge market.We are involved in developing our
technology in PET washing and Pelletizing. Located in Rawanda
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07 — 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

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