Method and apparatus for the blending of granular materials
    1.
    发明授权
    Method and apparatus for the blending of granular materials 失效
    用于混合颗粒材料的方法和装置

    公开(公告)号:US4285602A

    公开(公告)日:1981-08-25

    申请号:US82471

    申请日:1979-10-09

    IPC分类号: B01F5/24 B01F15/02

    CPC分类号: B01F5/242

    摘要: Gravity flow blending system for granular materials by use of novel internal handling means which provides for a continuous, uniform withdrawal of material from a multitude of locations in a large capacity bin. The invention utilizes basic principles of solids rheology to provide for a natural internal self-regulation which makes it possible to use this system for a wide range of material discharge rates and granular material types.

    摘要翻译: 用于颗粒材料的重力流混合系统通过使用新的内部处理装置,其提供从大容量箱中的多个位置连续均匀地抽出材料。 本发明利用固体流变学的基本原理来提供自然的内部自我调节,这使得可以将该系统用于广泛的材料排出速率和颗粒材料类型。

    Apparatus for blending granular materials
    2.
    发明授权
    Apparatus for blending granular materials 失效
    用于混合颗粒材料的装置

    公开(公告)号:US4128343A

    公开(公告)日:1978-12-05

    申请号:US857815

    申请日:1977-12-05

    IPC分类号: B01F3/18 B01F5/24 B01F13/02

    CPC分类号: B01F13/0244

    摘要: Apparatus is disclosed for blending free-flowing granular materials comprising: an outer chamber having walls which converge toward and terminate in outlet means at the base thereof; substantially vertically-positioned fenestrated blending tube means spaced above said outlet means having a plurality of entrance means therein; solid, conveying tube means extending substantially vertically through and coaxial within said blending tube means and defining an annular space therebetween; an entrainment zone positioned between said base of said conveying tube means and the base portion of said chamber; and gas inlet means positioned in said chamber to discharge gas upwardly into and through said entrainment zone toward the base inlet of said conveying tube means; the distance of the point of gas inlet discharge into said entrainment zone from said base of said chamber is defined by the equation:X .ltoreq. L - r Tan .alpha.wherein X is the distance between the base of said chamber and said point of discharge, L is the overall distance between said base of said chamber and said base of said conveying tube, r is the outer radius of said conveying tube and .alpha. is the angle of repose of the granular material being blended.

    摘要翻译: 公开了用于混合自由流动的颗粒材料的装置,包括:具有在底部的出口装置会聚并终止于其的出口装置的壁的外部室; 在所述出口装置上隔开的大致垂直定位的开窗式混合管装置,其中具有多个入口装置; 固体输送管装置,其基本上垂直地延伸穿过所述共混管装置并且在所述共混管装置内同轴并在其间限定环形空间; 位于所述输送管装置的所述基座和所述腔室的基部之间的夹带区域; 以及气体入口装置,其定位在所述室中,以将气体向上排入和穿过所述夹带区朝向所述输送管装置的基座入口; 从所述室的所述底部排出气体入口到所述夹带区域的距离由下式定义:

    Method of unplugging dense conveying system
    3.
    发明授权
    Method of unplugging dense conveying system 失效
    密封输送系统拔出方法

    公开(公告)号:US4389143A

    公开(公告)日:1983-06-21

    申请号:US244528

    申请日:1981-03-16

    IPC分类号: B65G53/66 B65G53/52 B65G53/16

    CPC分类号: B65G53/525 B65G53/521

    摘要: The plugging of fluidized solids in long transfer lines is a particularly troublesome problem from an operational standpoint. Obstructions are cleared by closing off the transfer line at both ends, introducing an inert (non-deleterious) gas into the conduit at a few atmospheres pressure above the pressure at the conduit output, maintaining the gas pressure for a time to allow pressure equilization along the conduit, and thereafter opening the conduit outlet to permit the plugged solids to refluidize and then clear the line.

    摘要翻译: 长期输送管线中流化固体的堵塞从操作的角度来看是一个特别麻烦的问题。 通过关闭两端的输送管线来清除阻塞物,在高于管道输出压力的几个大气压下,将惰性(无毒)气体引入管道中,保持气体压力一段时间以允许压力平衡 导管,然后打开导管出口以允许堵塞的固体回流,然后清除管线。