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首页> 外文会议>Fluids Engineering Conference Vol.2 Pt.D >STUDIES ON TECHNIQUES AND DEVICES OF CONTROLLING SURGE IN PIPELINE
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STUDIES ON TECHNIQUES AND DEVICES OF CONTROLLING SURGE IN PIPELINE

机译：管道涌浪控制技术与装置的研究

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摘要

Water hammer in pipelines may cause serious accident. To solve the problem, three mechanical devices ― rubber tube relief valve, metal plug relief valve and pressure-surge-proof valve actuator are developed. The first two devices are for controlling the surge after water hammer occurs, the last one is for preventing it from occurring at valve. When the monitored pressure increases at a rate higher than the setting rate, or the pressure reaches the setting maximum value, the relieve valve will release liquid to constrain strong surge from water hammer. The key part of one relieve valve is a rubber tube; the other is metal valve plug. Both of the relief valves could also be used as common relief valves. The pressure-surge-proof valve actuator works on the principle of damping the movement of the valve stem at the closing end of its travel. The key part is a two-stage-damping device, which is installed onto a valve actuator. When the valve stem goes into the last part of full travel the device provide damping action in two stages to weaken the surge from valve opening or closing.
机译：管道中的水锤可能会导致严重事故。为了解决该问题，开发了三种机械装置-橡胶管溢流阀，金属塞溢流阀和防喘振阀执行器。前两个设备用于控制水锤发生后的喘振，最后一个设备用于防止在阀门处发生喘振。当监视的压力以高于设定值的速率增加，或者压力达到设定最大值时，安全阀将释放液体以限制水锤的强烈冲击。一个安全阀的关键部分是一根橡胶管。另一个是金属阀芯。两个溢流阀也可以用作普通的溢流阀。防喘振阀执行器的工作原理是在阀杆行程的关闭端阻尼阀杆的运动。关键部分是两级阻尼装置，安装在阀门执行器上。当阀杆进入全行程的最后部分时，该设备分两个阶段提供阻尼作用，以减弱来自阀打开或关闭的喘振。

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