Scope of application of vortex flowmeter | Advantages and disadvantages of vortex flowmeter

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1. Instructions for Use of Vortex Flow Meter

Instructions for Use of Vortex Flow Meter Vortex flow meter is an industrial instrument used to measure the flow rate of various media such as gas, liquid, vapor, etc. in pipelines. It has the characteristics of low pressure loss, large range, and high accuracy. When measuring the volumetric flow rate under working conditions, it is almost not affected by parameters such as fluid temperature, density, pressure, viscosity, etc. The following are specific usage instructions: The ratio of the measurement range to the basic condition range is generally 10:1, but the lower limit of the measured flow rate is limited by various factors. The most basic condition for its operation is a Reynolds number Re>10000, which is also affected by the response signal generated by the vortex and the vortex frequency. When selecting and using, electromagnetic interference should be considered to avoid interference from strong electromagnetic fields on signal transmission. The influence of mechanical vibration should avoid the interference of pipeline lateral vibration and other mechanical vibrations on measurement. Vortex signals are sensitive to changes in the flow field, and if the length of the straight pipe section is insufficient, it may affect the stability of the instrument. The fluid flow conditions can be stabilized by enhancing the firmness of the pipeline (such as adding support structures). If the installation and maintenance are of a split structure, the sensor and converter need to be installed separately and operated strictly according to the instructions. Long term high temperature environment may affect the reliability and service life of instruments, and it is necessary

Scope of application of vortex flowmeter

to avoid direct radiation from high temperature sources. Regular maintenance (such as cleaning sensors, checking signal lines) and accumulating experience in troubleshooting can improve the stability of system operation. The sensor installation requires that the sensor should be installed on a pipeline with the same diameter as the diameter, and the length of the front and rear straight pipe sections should meet the requirements of the instruction manual (usually the front straight pipe section is 15-20D, and the rear straight pipe section is 5-10D, where D is the diameter of the pipeline). The tested liquid needs to fill the pipeline. If there are many impurities in the medium, a filter needs to be installed outside the upstream straight pipe section of the sensor. The installation location needs to reserve sufficient space for maintenance. Attention: Vortex flowmeters from different manufacturers and models may have differences, and specific operations should refer to the product manual. The length of the straight pipe section is a key installation parameter. It is recommended to use 15-20D for the front straight pipe section and 5-10D for the rear straight pipe section to ensure a stable flow field. Avoid direct use in strong vibration, strong electromagnetic interference, or high temperature environments. If necessary, protective measures should be taken (such as installing limb damping devices, shielding cables). The correct use of vortex flowmeter requires consideration of its characteristics (such as anti-interference ability, range) and installation requirements (such as straight pipe length, vibration protection), and regular maintenance to extend its service life. In actual selection, the selection of branches

Scope of application of vortex flowmeter | Advantages and disadvantages of vortex flowmeter

1. Instructions for Use of Vortex Flow Meter

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