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    Apparatus for drying polymeric material
    1.
    发明授权
    Apparatus for drying polymeric material 失效
    干燥聚合材料的设备

    公开(公告)号：US3924997A

    公开(公告)日：1975-12-09

    申请号：US28225272

    申请日：1972-08-21

    Applicant: PHILLIPS PETROLEUM CO

    Inventor： KOSINSKY EDWARD J

    IPC: B29C47/76 ,  B29C47/92 ,  B29F1/03 ,  B29F1/06

    CPC classification number: B29C47/92 ,  B29C47/0019 ,  B29C47/76 ,  B29C47/766 ,  B29C2947/92514 ,  B29C2947/926 ,  B29C2947/92876 ,  B29C2947/92904

    Abstract: This invention resides in an improved apparatus for removing liquid from liquid-bearing polymeric material. The apparatus has an elongated shell having an upstream feed opening and a downstream discharge zone, a means positioned in a first zone within said elongated shell for working and compacting the material passed therethrough and through a second downstream zone to the discharge zone of the shell, a restriction means positioned between said first and second zone for restricting the passage of material from said first zone to said second zone adjacent said discharge zone for reducing the pressure on the material passing said restriction means, and a die having at least one orifice and being positioned downstream of said restriction means and at said discharge zone for reducing the pressure on the material passing through the orifice of said die. The restriction means is a valve having a valve body, an opening extending therethrough in fluid communication with the first and second zones, and a valve plug having sidewalls and bottom walls of matable, planar configuration with said valve plug being slidably movable relative to the valve body into and from said opening.

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