Full Automatic Plastic Film Recycling Granulation Unit

The production line adopts European design and advanced technology. It is mainly used for clean PE PP films, scraps and crushed, washed, dried HDPE/LDPE/PP/PS materials.

Product Details

Full Automatic Plastic Film Recycling Granulation Unit Description:

The production line adopts European design and advanced technology. It is mainly used for clean PE PP films, scraps and crushed, washed, dried HDPE/LDPE/PP/PS materials. The material is sent to the compactor cutter through the conveyor belt, and fed into the single screw extruder by high speed rotation of the compactor cutter;

The screw is specially designed for cutting and compacting plastics. It has the advantages of fast feeding, wear resistance, etc., with natural exhaust and vacuum system; It can effectively remove the moisture inside the material; this extruder uses ceramic heating ring, durable and easy to maintain.

Compactor cutter can effectively dry materials, agglomerate, friction self-heating, high-speed forced feed into the screw after the material reaches a certain temperature, improve the output and reduce the heating of the screw to the plastic, accelerate the plasticization process; effective Energy savings;

Hydraulic screen changer is installed on the extruder die-head to effectively remove the impurities in the material; different quality of the finished product can be produced through the use of different mesh filters;

The special design of the extruder head part can effectively remove the hidden moisture inside the material and improve the granulation quality;

It can also be equipped with two stage granulation system, using two extruders to pass the material through secondary filtration, making the produced particles cleaner and higher quality;

It also can be equipped with a vibrating screen to sort out unqualified products; making the product particle size uniform and nice looking. The follow-up pelleting type can choose to strand/noodle pelletizer, or die face cutting (water ring pelletizer) to save labor and reduce waste;

The production line can be specially designed according to the cleanness of the customer's raw material and the quality requirement of the final product;


Here is Full Automatic Plastic Film Recycling Granulation Unit Drawing:

image001


Full Automatic Plastic Film Recycling Granulation Unit Main Technical Parameters:

Model

SJ100+SJ100

SJ120+SJ120

SJ150+SJ150

SJ175+SJ175

SJ200+SJ200

Screw diameter(mm)

φ100+φ100

φ120+φ120

φ150+φ150

φ175+φ175

φ200+φ200

mother extruder screw L/D

20-33

20-33

20-33

20-33

20-33

baby extruder screw L/D

9-12

9-12

9-12

9-12

9-12

mother extruder motor power(kw)

30-37

37-75

45-110

55-132

75-160

baby extruder motor power(kw)

15-22

22-37

37-45

45-55

55-75

metering screw motor power(kw)

0.75-1.1

1.1-1.5

1.5-2.2

1.5-2.2

2.2-3

exhaust method

vacuum or natural exhaust

vacuum or natural exhaust

vacuum or natural exhaust

vacuum or natural exhaust

vacuum or natural exhaust

screen changer

plate or pillar type hydraulic screen changer

plate or pillar type hydraulic screen changer

plate or pillar type hydraulic screen changer

plate or pillar type hydraulic screen changer

plate or pillar type hydraulic screen changer

pelletizing type

water-ring or noodle pelletizer

water-ring or noodle pelletizer

water-ring or noodle pelletizer

water-ring or noodle pelletizer

water-ring or noodle pelletizer

capacity(kg/h)

100-200

200-300

300-500

500-600

600-800


Waste plastics are usually granulated by single-screw extruder or twin-screw extruder. The plastic debris prepared in the early stage is added to the extruder, and granulated by melting, plasticizing, filtering, mixing and exhausting.

The granulator is composed of extrusion system, transmission system and heating and cooling system. The extrusion system consists of screw, barrel, hopper, die-head. Waste plastics are plasticized into a uniform melt through the extrusion system. Under the pressure established in the process, the screw is continuously extruded to the die-head. Material needs to be filtered to extrude granulation after melting in the barrel. The filter device has a filter or a filter screen. Some filtering equipment can ensure continuous production without shutdown. The filtered material flows to the machine head and granulating device for granulation.

Common methods of pelleting: hot pelleting and cold pelleting

Hot granulation can be divided into underwater, water mist, water ring, air-cooled and hot granulation.

Cold-cut pellets are divided into flat-plate cold-cut pellets and draw-bar cold-cut pellets.

The underwater granulation equipment is suitable for the granulation of PE, PP, PS, PVC and other materials. It consists of the underwater granulator head, warm water circulation system, separation system and screening system. The underwater granules are beautiful and uniform in shape, not easy to bond, high in output, good in sealing and good in particle quality. However, the overall equipment is huge and complex, which requires a lot of energy and requires high operating conditions.

Water ring granulation is suitable for EVA hot melt adhesive, TPU elastomer, cable material and other physical miles. It consists of water ring granulator head, warm water circulation system, separation system, screening system and so on. Its advantages and disadvantages are the same as underwater granulation. Air-cooled hot granulation is suitable for thermoplastic and engineering plastics. The particle shape produced is generally cylindrical or waist drum, with simple equipment structure and low power consumption. The tool wear is small and the particles do not need to be dried. The disadvantage is that there may be adhesion between particles. The melt flow rate should not be too fast, so the output is relatively low.

Drawing strip cold-cut granules are suitable for polyolefin, nylon and other plastics. The granules produced are generally cylindrical. They have simple equipment structure and convenient operation and maintenance. The main drawbacks are large power consumption and serious tool wear.

The noise produced by equipment operation, the amount of dust produced during granulation and the size of odor are also the necessary hardware conditions for purchasing.


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