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    A head for injecting consolidating pressurized fluid mixtures into the ground
    1.
    发明公开
    A head for injecting consolidating pressurized fluid mixtures into the ground 有权
    Kopf zum Einspritzen konsolidierender unter Druck StehenderFlüssiggemischein den Boden

    公开(公告)号：EP2407598A1

    公开(公告)日：2012-01-18

    申请号：EP11173751.6

    申请日：2011-07-13

    申请人： Trevi S.p.A.

    发明人： Saccani, Cesare

    IPC分类号： E02D3/12

    CPC分类号： E02D3/12 ,  E02D3/126

    摘要： The head (10) includes an outer cylindrical body (12) with at least one upper inlet (16) for fluids, at least one outlet side nozzle (11) and at least one helical duct (13) having a helical central line (m). The duct connects the upper inlet (16) to the nozzle (11) and imparts the fluid flowing through it a helical motion about the longitudinal axis (Z) of the outer body (12) towards the nozzle (11). The helical duct (13) is progressively tapered towards the nozzle (11) and includes a terminal length of the duct which is radiused to the nozzle in a tapered manner, both when viewed in cross-sectional planes (P) parallel to the longitudinal axis (Z) and tangent to the helical central line, as well as when viewed in cross-sectional planes perpendicular to the longitudinal axis (Z).

    摘要翻译： 头部（10）包括具有用于流体的至少一个上入口（16），至少一个出口侧喷嘴（11）和至少一个具有螺旋中心线（m）的螺旋管道（13）的外圆筒体（12） ）。 管道将上部入口（16）连接到喷嘴（11），并使流过其的流体沿着外部本体（12）的纵向轴线（Z）朝向喷嘴（11）进行螺旋运动。 螺旋管道（13）朝向喷嘴（11）逐渐变细，并且包括以锥形方式向管嘴延伸的管道的端部长度，当从与纵向轴线平行的横截面（P）观察时 （Z）并且与螺旋中心线相切，并且当垂直于纵向轴线（Z）的横截面中观察时。