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首页> 外文会议>SICE Annual Conference >Diagnostics of Impulse Line Blockage with Multi-sensing Differential Pressure Transmitter in Oil Line
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Diagnostics of Impulse Line Blockage with Multi-sensing Differential Pressure Transmitter in Oil Line

机译：用油管线多传感差压变送器的脉冲线阻塞的诊断

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摘要

A differential pressure transmitter with an orifice is widely used as a major field flowmeter. A major drawback of this flowmeter at the operation site is the blockage of the impulse line, which connects an orifice tap with a differential pressure transmitter. In this study, we investigate the relation between the amplitude of the pressure fluctuation in the oil line and the kinetic viscosity (1.0 × 10{sup}(-5) to 3.0 × 10{sup}(-5) m{sup}2/s). By conducting experiments in a water line, we have developed a method to diagnose the blockage of the impulse line. Hence, we use this method to diagnose the blockage in a line that carries a highly viscous fluid. Through experimental investigations, the following results are clarified: 1) The highly viscous fluid in the impulse line does not reduce the pressure fluctuation occurring at the multi-sensing differential pressure transmitter. 2) Highly viscous flow in the main line has small pressure fluctuations; however, these fluctuations have the same characteristics of the impulse line blockage as those in a water line. Therefore, the proposed method can diagnose the impulse line blockage in an oil line as well as in a water line.
机译：具有孔口的差压变送器被广泛用作主要场流量计。在操作现场的该流量计的主要缺点是脉冲线的堵塞，该脉冲线与差压变送器连接孔龙头。在这项研究中，我们研究了油管线中压力波动幅度与动力学粘度（1.0×10 {sup}（ - 5）至3.0×10 {sup}（ - 5）m {sup} 2之间的关系/ s）。通过在水线中进行实验，我们开发了一种诊断脉冲线堵塞的方法。因此，我们使用这种方法来诊断携带高粘度流体的线路的堵塞。通过实验研究，阐明以下结果：1）脉冲线中的高度粘性流体不会降低多传感差压变送器处发生的压力波动。 2）主线的高粘性流量具有小的压力波动;然而，这些波动具有与水线中的脉冲线堵塞的相同特性。因此，所提出的方法可以诊断油线中的脉冲线堵塞以及水线。

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