What are the flow meters used to measure liquefied petroleum gas?
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What are the flowmeters used to measure liquefied petroleum gas, which flowmeters have high measurement accuracy, and what factors should be paid attention to when measuring liquefied petroleum gas flow.
Standard orifice plate, volumetric, ultrasonic, turbine flow meters, etc. are all commonly used flow meters. In terms of accuracy, turbine flowmeters are the highest, followed by positive displacement flowmeters. However, the choice of which flow meter to use should be based on specific working conditions.
When measuring the flow rate of liquefied petroleum gas, attention must be paid to ensuring that the medium is in a stable liquid state in order to accurately measure its volume or mass flow rate. This requires that sufficient back pressure must be maintained downstream of the flow meter. Non-contact flowmeters are a better choice because they have no internal blocking components and generally do not generate air pockets, but the measurement accuracy may not be very high. This kind of flow meter is generally an ultrasonic flow meter. In addition, if metering is accurate, use a mass flow meter or turbine flow meter ； if * For artistic measurement, vortex streets, orifice plates, etc. are used. It should be noted that no matter which meter is chosen, it is very important to insulate the flow meter. There should be no obvious heat absorption or heat dissipation due to the installation position of the flow meter, so as to avoid vaporization near the flow meter and affecting the measurement.
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Referring to the specification SYT 6682-2007 "Measurement of Liquid Hydrocarbon Flow with Coriolis Flow Meter" will be helpful for your selection.
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Choose ultrasonic flowmeter or mass flowmeter for large diameter!!
qugd's answer is reasonable. LPC must be greater than its saturated vapor pressure to be in a liquid state. Therefore, when choosing a flow meter, one is to reduce disturbance as much as possible and ensure that the pressure at the flow detector is higher than the saturated vapor pressure. In addition, when designing the process system, the downstream back pressure of the flow meter should be higher than the saturated vapor pressure of LPG, so as to ensure a certain measurement accuracy.
Which detection principle vortex flowmeter is more suitable for measuring LPC?
Which detection principle vortex flowmeter is more suitable for measuring LPC?
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