Precession vortex flowmeter installation and maintenance method

Precession swirl vortex flowmeter if not properly installed and maintained, not only affects the accuracy of the measurement, but also causes the instrument to be damaged when it is serious: when moving the swirling vortex gas flowmeter, the sling should be put on the neck of both ends of the flowmeter flange. position, the measuring tube do not set into the pipe to the lifting rod, to avoid damage to the lining, it should be prevented while precession vortex flowmeter connector socket damaged by collision. It must be ensured that the swirling gas flowmeter is centered on the center of the process piping, and the grounding wire is connected, otherwise it will cause errors.
Precession vortex flowmeter has no mechanical moving parts, small size, corrosion resistance, stable performance; can directly display the working pressure of the medium, temperature, flow rate and the amount of gas under the standard state; wide range of measurement, small measurement error, etc. It is widely used in the production and measurement of oil and gas wells and in the measurement of natural gas sales. In field applications over the years, we believe that the flow meter is best suited for relatively clean dry gas metering and gradually becomes the preferred meter for metering small and medium-sized gases. We must ensure that the precession vortex flowmeter measures accurately and reduce the measurement error.

Usually gas flow vortex precession no routine maintenance, but tend to adhere to the measured medium or fouling the electrodes and measuring tube wall, the inner wall of the measuring tube should be cleaned periodically and the electrodes being careful not liner, electrode damage.

When the precession swirl gas flow meter fails, refer to the following reasons to find, analyze and troubleshoot.
1. Whether the pipeline is full of pipes, and whether the lining and the electrodes are fouled.
2, all cable connections are reliable.
3, whether the grounding requirements are met.
4. Whether the magnetic coil is short-circuited or broken, and whether it is insulated to ground.
5. Whether the pipeline is leaking, whether the upstream and downstream valves have influence, and whether the installation position is appropriate.

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