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Single screw extrusion granulator use range and production process
Dec 06, 2018

For the time being, the main application areas of single-screw extrusion granulators include: filling, blending, modification, addition, chlorination, polypropylene and superabsorbent resin processing for rubber and engineering resins; Extrusion of degradation masterbatch, polyamide polycondensation, polyurethane polyaddition reaction; granulation of carbon powder, magnetic powder, insulating material for cable, sheath material, low-smoke halogen-free flame-retardant PVC cable material and various silane cross-linking Preparation of materials, etc.


In actual operation, the main production process of the single-screw extrusion granulator is: the material is sent to the double-cone feeder through the automatic hoist, and the cone double is used to force the material to be evenly added to the main screw. The material is subjected to mixing and plasticization under the action of compression and shearing and external heating of the screw.


As the temperature and pressure continue to increase, the material in the single-screw extrusion granulator will gradually exhibit a viscous flow state, and will pass through the machine head, extrude and pelletize with a certain pressure, and finally obtain the particles of the desired shape. . Mainly the production line process is: mixer - hoist - cone double feeder - single screw granulator - pair of hot cutting head - first cyclone separator - secondary cyclone - extended air cooled vibrating screen - Finished silo.

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