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EPE foaming plastic compacting and pelletizing

 Introduction of the raw material

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Definition
Polyethylene foamed cotton, also known as EPE pearl cotton, is a new type of environmentally
friendly packaging material. It’s a cross-linking obturator structure. It consists of low density polyethylene resin by the physical foaming of numerous independent air bubbles. It overcomes the disadvantages of ordinary foam rubber: fragile, deformation and the poor recovery.


Application
Buffer, protection, packaging materials, wood, sports equipment, etc.

 

Widely used in car cushion, pillow, electronic appliances, instrumentation, computers, audio, medical equipment, work-managing machine box, metal lighting, crafts, glass, ceramics, electrical appliances, spraying, furniture, furniture, liquor and resin of high-grade fragile gift packaging, metal products, shoes, toys, melon and fruit of the inner packaging, daily necessities and other products packaging. After joining color anti-static agent and flame retardants, it more shows its excellent performance, not only has elegant appearance, but also effectively to eliminate static electricity.
 

Also used in a lot of elastic lining for bags, industrial production of sound insulation, insulation materials, agricultural materials, aquaculture floating equipment, sporting goods protection pad, water homework life-saving equipment, home, hotel floor decoration.
 

Traditional regeneration methods of the waste EPE foam plastics
1. Melting agglomerating method
2. Extruding granulating method

 

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The ACS series EPE foaming plastic compacting and pelletizing system combines function of crushing, compacting, plasticization and pelletizing to one step, applied in the plastics recycling and pelletizing process. ACS system is a reliable and efficient solution for EPE foaming plastics.
Final productions produced by ACS system are in the form of pellets/ granules, can directly put into the production line.

 

Working steps of ACS EPE foaming plastics compacting and pelletizing system

1Feeding: as standard design, EPE foaming plastics material conveyed into the compacting room through belt conveyor; to handle rolls' scraps, roll hauling off device is an optional feeding method. Motor drives of conveyor belt and hauling device cooperate with ABB inverter. Feeding speed of conveyor belt or roll hauling off is fully automatic based on how full the compactor's room is. Metal detector can be combined with belt conveyor, and can interlock with control system, to warn and stop the system, in case that metal is found in feeding section.
 

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2Crushing and compacting: the rotatory blades of compactor will cut up incoming scraps. Frictional heating which caused by high speed rotatory blades will heat and let scraps shrinking just below their agglomerating point. Optimal designed guide structure compacts the material and directs it into extruder screw. Crushes, dries and compacts the material which enables a fast and stable feeding from the compactor directly into the extruder.
 

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3Plasticization and degassing: A specialized single screw extruder applied to gently melt the pre-compacted material. The plastic scraps will be well melted, plasticized in a 32 to 34D processing section. With double-zone vacuum degassing system, volatiles such as low molecular and moisture will be removed efficiency, especially suitable to heavy printed film and material with some water content.
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4Melt filtration: a regular single-plate/ piston double-station screen changer or non-stop double-plate/ piston four-station can be installed on head of extruder to present significant filtration performance. The requirements on the filter technology depend heavily on the quality of the input material as well as the planned use of granules.
 

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5Pelletizing: die-face water ring pelletizing system set as the standard granulating method in ACS system. Self-adjusting pelletizing head for the best granulate quality and long uptime thanks to consistently correct blades pressure. RPM of rotatory blades is automatic based on melt extruding pressure. Advanced dewatering vibration sieve combining with horizontal-type centrifugal dewatering present high performance dried pellets.
 

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6Vibration dry and packing system: advanced dewatering vibration sieve combining with horizontal-type centrifugal dewatering present high performance dried pellets and lower energy consumption.
 

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Main technical parameter:
 

Machinery size Data of compactor Data of single screw extruder Throughput rate(Kg/hr)
Efficiency volume(Liter) Diameter of screw(mm)  L/D
ACS300/80 300 80 31-34 150-200
ACS500/100 500 100 31-34 300-350
ACS800/120 800 120 31-34 400-450
ACS1000/140 1000 140 31-34 500-650
ACS1200/160 1200 160 31-34 800/1000


Advantages of ACS EPE foaming plastics compacting and pelletizing system
► Combine crushing, compacting and pelletizing steps in one system, less-labor cost;
► Higher efficiency feeding, suitable to film, filament, raffia, foaming materials;
► Higher output and lower energy consumption.

Other benefits

► Lower investment cost for a high quality and durable machine;
► Low energy consumption with high production output;


Video linking address
https://www.youtube.com/watch?v=0KpQw-x1tlk



 

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