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    • 9. 发明申请
    • METHOD FOR SAFELY PREVENTING BACKFLOWING IN THE CONVEYING OF A FLUID
    • 用于在流体输送中更好地防止回流的方法
    • US20110180151A1
    • 2011-07-28
    • US13001467
    • 2009-06-16
    • Franz BorgelAlfred KrauseMirko KreitschmannAnton MeierFrank-Friedrich PapeWolfgang ReifMichael Salla
    • Franz BorgelAlfred KrauseMirko KreitschmannAnton MeierFrank-Friedrich PapeWolfgang ReifMichael Salla
    • F15D1/00
    • F17D1/14F16K15/00Y10T137/0396
    • A method for reliably avoiding backflow in the transport of a liquid under pressure via a transport pipe (1), in which a shut-off device (2) with differential pressure switching is arranged, into a container (3) which is under pressure and which comprises the liquid to be transported and/or another liquid is proposed, wherein a pressure accumulator (4) which is filled with the liquid to be transported up to a certain level and above the liquid level, in direct contact with the liquid to be transported, with an inert gas is arranged in the transport pipe (1) upstream from the shut-off device (2) in the transport direction, the inert gas being provided in the pressure accumulator (4) under an excess pressure and in an amount relative to the container (3) to be filled which are designed so that, in the case of a drop in the pressure in the transport pipe (1), the inert gas ensures a positive pressure difference in the transport pipe (1) to the container (3) over a period which is at least as long as the reaction time of the shut-off device (2) and the shut-off device (2) has an emptying pipe (6) with emptying valve (7).
    • 一种用于可靠地避免在压力下输送液体的回流的方法,该输送管(1)具有压差切换的切断装置(2),其中所述输送管(1)设置在处于压力下的容器(3)中, 其包括待运输的液体和/或另一种液体,其中填充有待运输的液体达到一定水平并高于液面的压力蓄积器(4)与液体直接接触 在输送方向上从切断装置(2)的上游配置有惰性气体输送的惰性气体,惰性气体在过压压力下设置在蓄压器(4)中, 相对于被填充的容器(3),其被设计成使得在输送管(1)中的压力下降的情况下,惰性气体确保输送管(1)中的正压差 容器(3)至少在一段时间内 只要关闭装置(2)和切断装置(2)的反应时间具有排空阀(7)的排空管(6)。