Working principle of waste plastic granulator

The main cylinder of the single-screw waste plastic granulator adopts electric heating, and the water cooling automatically controls the barrel temperature. The screw core can be cooled by water (oil) to control the screw temperature. The machine head is equipped with a pressure sensor that tests the melt temperature and melts pressure. The hob granulator, the granulation auxiliary machine, and the rotary blade are driven by the AC speed regulating motor, the frequency conversion speed regulation, the centrifugal dewatering machine, the bedroom vibrating screen, the air supply storage barrel and the like.

     Carbon powder, magnetic powder granulation, cable insulation materials, sheath materials, low-smoke halogen-free flame-retardant PVC cable materials and preparation of various silane cross-linking materials, etc., small models are mainly used for scientific research and teaching.

    The difference between the working principle of waste plastic granulator: single screw granulator: the pulverized material or the film material passes through the feeding port, and under the action of the rotating screw, it is twisted into a lump and rolls along the screw groove, due to the shearing of the screw, compression, and agitation, the material is further mixed and plasticized, the temperature and pressure are gradually increased, showing a viscous flow state, passing through the machine head with a certain pressure and temperature, and then being drawn through the die to obtain the desired shape. Products.

    Twin-screw granulator: the production process material is sent to the double-cone feeder through the automatic hoist, the cone double will force the material to be evenly added to the main screw, and the material is compressed and sheared and externally heated by the screw. Under the action, the material is mixed and plasticized.

    Scope of waste plastic granulator: Twin-screw granulator is mainly used for filling, blending, modification, addition, chlorination, polypropylene and superabsorbent resin processing of rubber and engineering resins; degradable masterbatch, Polyamide polycondensation, extrusion of polyurethane polyaddition reaction; granulation of carbon powder, magnetic powder, insulating material for cable, sheath material, low-smoke halogen-free flame-retardant PVC cable material, preparation of various silane cross-linking materials, etc. Small models are mainly used for research and teaching.