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Extrusion granulator

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    Extrusion granulator

    Extrusion granulator is a dry granulation process that uses pressure to agglomerate solid materials. This is achieved by pressing the material through two counter-rotating rollers, which are driven by an eccentric sleeve or a hydraulic system. When solid materials are squeezed, the air between the powder particles is first eliminated to realign the particles to eliminate the gaps between the materials. 1 Introduction When a brittle material is squeezed, some particles are crushed, and fine powder fills the gaps between the particles. In this case, if the free chemical bond on the newly generated surface cannot be quickly saturated by atoms or molecules from the surrounding atmosphere, The newly generated surfaces are in contact with each other and a strong recombination bond is formed. When the plastic material is squeezed, the particles deform or flow, creating a strong van der Was gravitation. In the later stages of the extrusion process, pressure details >>
    Extrusion granulator


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