High temperature vortex flowmeter

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What is the difference between vortex flowmeter and balance flowmeter?

Vortex flowmeter and balance flowmeter are two mainstream instruments in industrial flow measurement, and their core differences are reflected in the following aspects:

1. Differences in measurement principles Vortex flowmeter: Based on the Karman vortex phenomenon, the flow rate is calculated by detecting the alternating vortex frequency generated when the fluid flows through the vortex generator, and the frequency is linearly related to the flow rate.

II. Comparison of Nuclear Structure and Performance

III. Preferred Application Scenarios: Vortex flowmeters are preferred for clean gas/steam volume flow measurement, medium and low temperature environments (such as conventional steam pipelines), and scenarios with limited budgets and low maintenance requirements.

IV. Requirements for installation and maintenance of straight pipe sections: the vortex street needs a longer straight pipe section to stabilize the flow field, while the balanced flow meter only needs the anti-interference ability of the front 3D and back 1D. The vortex street is easily affected by vibration, and the noise of the balanced flow meter

2. What is the difference between high-temperature and low-temperature vortex flowmeters? The long-term reliability of the vortex flowmeter can be extended to two types: high-temperature and low-temperature. The high-temperature vortex slag disturbance leakage flow meter can achieve accurate measurement up to 350 ℃, and can be applied to the measurement of high-temperature overheating and saturated water vapor. The low-temperature vortex flowmeter can achieve measurements as low as -196 ℃, suitable for applications with low temperatures such as liquid oxygen. 1. The high temperature type can reach up to 450 ℃/the low temperature type can reach as low as -196 ℃, and the parameter setting is simple. 2. The low temperature type can synchronously display instantaneous flow rate and cumulative flow rate during process diagnosis, as well as analog/pulse dual output.

3. What issues should be noted when measuring high temperature fluids with vortex flowmeters?

Lets take a look at your classification for the college entrance examination. Hehe, I wish you a good score in advance. Let me help you analyze: there are two situations when measuring high-temperature fluids with a vortex flowmeter. The first situation is saturated steam measurement, which requires temperature and pressure compensation for the flow measured by the vortex flowmeter. Generally, saturated steam measurement only needs to compensate for one of the pressure and temperature, because the density of saturated steam corresponds one-to-one with the pressure and temperature o

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