Process and device for producing components and semifinished products from synthetic graphite or ceramic granules, in particular for producing graphite tubes
    112.
    发明授权
    Process and device for producing components and semifinished products from synthetic graphite or ceramic granules, in particular for producing graphite tubes 失效
    用于从合成石墨或陶瓷颗粒生产组分和半成品的方法和装置,特别是用于生产石墨管

    公开(公告)号:US06905644B1

    公开(公告)日:2005-06-14

    申请号:US09936067

    申请日:2000-11-24

    摘要: This invention relates to a process and a device for producing components and semi-finished products from synthetic graphite or from ceramic granules, in particular for producing graphite tubes, involving shaping of a material to be mixed preferably containing petroleum coke or graphite granules, by means of an extrusion press (22) or an extruder, wherein the process provides the following steps: a) Pre-pressing the material (20) to be mixed in static or quasi-static manner, flow movements of the material (20) to be mixed being stopped or impeded in such a way that particles previously irregularly arranged in the material to be mixed are initially aligned transversely to the direction of pressing, b) Pressing out of the pre-pressed material (20) to be mixed through an outlet opening (28) of the extrusion press (22) or the extruder in such a way that owing to adjusted flow properties of the material (20) to be mixed, the particles within the pre-compressed material (20) to be mixed realign, starting from their transverse alignment, by an angle (β) of a maximum of 75° in the direction of pressing.

    摘要翻译: 本发明涉及一种用于从合成石墨或陶瓷颗粒生产组分和半成品的方法和装置,特别是用于生产石墨管的方法和装置,包括优选含有石油焦炭或石墨颗粒的待混合材料的成型 的挤出机(22)或挤出机,其中该方法提供以下步骤:a)预先将静态或准静态混合的材料(20)预压,将材料(20)的流动移动为 混合物被阻止或阻碍,使得先前不规则地排列在待混合材料中的颗粒最初横向于压制方向对准,b)从预压材料(20)中挤出以通过出口开口 (22)的挤出机(28)或挤压机,使得由于要混合的材料(20)的调节的流动性质,预压缩材料(20)内的颗粒, 从其横向对准开始,在压制方向上以最大75°的角度(β)混合重新对齐。