Working principle and application of twin-screw granulator
First, working principle
The material passes through the feeding port, and under the action of the rotating screw, it is kneaded into a ball and rolls forward along the screw groove. Due to the shearing, compression and stirring of the screw, the material is further mixed and plasticized, and the temperature and pressure gradually increase. High, presents a viscous flow state, and passes through the machine head at a certain pressure and temperature, and finally obtains the desired shape of the product.
Second, use
The twin-screw granulator is mainly used for filling, blending, modifying, adding, chlorinating, processing of polypropylene and superabsorbent resins of rubber, plastic and engineering resins.
It can also be used for extrusion of degradable masterbatch, polyamide polycondensation, polyurethane polyaddition, granulation of carbon powder and magnetic powder, insulation material for cables, sheath material, low-smoke halogen-free flame-retardant PVC cable material and various The preparation of various silane cross-linking materials, etc., the small model is mainly used for scientific research and teaching.
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